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Cisco 3600 Series Routers

Hardware Installation Guide

Corporate Headquarters

Cisco Systems, Inc. 170 West Tasman Drive

San Jose, CA 95134-1706USAhttp://www.cisco.com Tel: 408526-4000

800 553-NETS(6387) Fax: 408526-4100

Text Part Number: OL-2056-05

THE SPECIFICATIONS AND INFORMATION REGARDING THE PRODUCTS IN THIS MANUAL ARE SUBJECT TO CHANGE WITHOUT NOTICE. ALL STATEMENTS, INFORMATION, AND RECOMMENDATIONS IN THIS MANUAL ARE BELIEVED TO BE ACCURATE BUT ARE PRESENTED WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED. USERS MUST TAKE FULL RESPONSIBILITY FOR THEIR APPLICATION OF ANY PRODUCTS.

THE SOFTWARE LICENSE AND LIMITED WARRANTY FOR THE ACCOMPANYING PRODUCT ARE SET FORTH IN THE INFORMATION PACKET THAT SHIPPED WITH THE PRODUCT AND ARE INCORPORATED HEREIN BY THIS REFERENCE. IF YOU ARE UNABLE TO LOCATE THE SOFTWARE LICENSE OR LIMITED WARRANTY, CONTACT YOUR CISCO REPRESENTATIVE FOR A COPY.

The following information is for FCC compliance of Class A devices: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio-frequencyenergy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference, in which case users will be required to correct the interference at their own expense.

The following information is for FCC compliance of Class B devices: The equipment described in this manual generates and may radiate radio-frequencyenergy. If it is not installed in accordance with Cisco’s installation instructions, it may cause interference with radio and television reception. This equipment has been tested and found to comply with the limits for a Class B digital device in accordance with the specifications in part 15 of the FCC rules. These specifications are designed to provide reasonable protection against such interference in a residential installation. However, there is no guarantee that interference will not occur in a particular installation.

Modifying the equipment without Cisco’s written authorization may result in the equipment no longer complying with FCC requirements for Class A or Class B digital devices. In that event, your right to use the equipment may be limited by FCC regulations, and you may be required to correct any interference to radio or television communications at your own expense.

You can determine whether your equipment is causing interference by turning it off. If the interference stops, it was probably caused by the Cisco equipment or one of its peripheral devices. If the equipment causes interference to radio or television reception, try to correct the interference by using one or more of the following measures:

Turn the television or radio antenna until the interference stops.

Move the equipment to one side or the other of the television or radio.

Move the equipment farther away from the television or radio.

Plug the equipment into an outlet that is on a different circuit from the television or radio. (That is, make certain the equipment and the television or radio are on circuits controlled by different circuit breakers or fuses.)

Modifications to this product not authorized by Cisco Systems, Inc. could void the FCC approval and negate your authority to operate the product.

The Cisco implementation of TCP header compression is an adaptation of a program developed by the University of California, Berkeley (UCB) as part of UCB’s public domain version of the UNIX operating system. All rights reserved. Copyright © 1981, Regents of the University of California.

NOTWITHSTANDING ANY OTHER WARRANTY HEREIN, ALL DOCUMENT FILES AND SOFTWARE OF THESE SUPPLIERS ARE PROVIDED “AS IS” WITH ALL FAULTS. CISCO AND THE ABOVE-NAMEDSUPPLIERS DISCLAIM ALL WARRANTIES, EXPRESSED OR IMPLIED, INCLUDING, WITHOUT LIMITATION, THOSE OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OR ARISING FROM A COURSE OF DEALING, USAGE, OR TRADE PRACTICE.

IN NO EVENT SHALL CISCO OR ITS SUPPLIERS BE LIABLE FOR ANY INDIRECT, SPECIAL, CONSEQUENTIAL, OR INCIDENTAL DAMAGES, INCLUDING, WITHOUT LIMITATION, LOST PROFITS OR LOSS OR DAMAGE TO DATA ARISING OUT OF THE USE OR INABILITY TO USE THIS MANUAL, EVEN IF CISCO OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.

CCIP, CCSP, the Cisco Arrow logo, the Cisco Powered Network mark, Cisco Unity, Follow Me Browsing, FormShare, and StackWise are trademarks of Cisco Systems, Inc.; Changing the Way We Work, Live, Play, and Learn, and iQuick Study are service marks of Cisco Systems, Inc.; and Aironet, ASIST, BPX, Catalyst, CCDA, CCDP, CCIE, CCNA, CCNP, Cisco, the Cisco Certified Internetwork Expert logo, Cisco IOS, the Cisco IOS logo, Cisco Press, Cisco Systems, Cisco Systems Capital, the Cisco Systems logo, Empowering the Internet Generation, Enterprise/Solver, EtherChannel, EtherSwitch, Fast Step, GigaStack, Internet Quotient, IOS, IP/TV, iQ Expertise, the iQ logo, iQ Net Readiness Scorecard, LightStream, MGX, MICA, the Networkers logo, Networking Academy, Network Registrar,Packet, PIX,Post-Routing,Pre-Routing,RateMUX, Registrar, ScriptShare, SlideCast, SMARTnet, StrataView Plus, Stratm, SwitchProbe, TeleRouter, The Fastest Way to Increase Your Internet Quotient, TransPath, and VCO are registered trademarks of Cisco Systems, Inc. and/or its affiliates in the U.S. and certain other countries.

All other trademarks mentioned in this document or Web site are the property of their respective owners. The use of the word partner does not imply a partnership relationship between Cisco and any other company. (0304R)

Cisco 3600 Series Routers Hardware Installation Guide

Copyright © 1998-2003Cisco Systems, Inc.

All rights reserved.

C O N T E N T S

Preface vii

 

 

 

 

Objectives

vii

 

 

Audience

viii

 

 

 

Organization

viii

 

 

Conventions

 

viii

 

 

Safety Warnings ix

 

 

Related Documentation

xiv

 

Cisco 90-Day Limited Hardware Warranty Terms xvi

Obtaining Documentation

xvii

 

Cisco.com

xvii

 

 

Documentation CD-ROM

xvii

Ordering Documentation

xviii

Documentation Feedback

xviii

Obtaining Technical Assistance

xviii

Cisco TAC Website

xviii

 

Opening a TAC Case

xix

 

TAC Case Priority Definitions xix

 

 

Obtaining Additional Publications and Information xx

 

Overview of Cisco 3600 Series Routers

 

 

 

 

C H A P T E R 1

1-1

 

 

 

 

 

Hardware Features

1-1

 

 

 

 

 

 

 

 

Modules and Interface Cards 1-5

 

 

 

 

 

 

 

Memory 1-6

 

 

 

 

 

 

 

 

 

Memory Types

1-6

 

 

 

 

 

 

 

 

Memory Installation Documentation

1-6

 

 

 

 

 

Memory Specifications

1-6

 

 

 

 

 

 

 

Interface Numbering

1-8

 

 

 

 

 

 

 

 

Cisco 3620 and Cisco 3640 Interfaces

1-8

 

 

 

 

 

Slot Numbering

1-8

 

 

 

 

 

 

 

Unit Numbering

1-8

 

 

 

 

 

 

 

Voice Interface Numbering

1-9

 

 

 

 

 

 

Cisco 3631 Interfaces

1-9

 

 

 

 

 

 

 

WAN and LAN Interface Numbering 1-9

 

 

 

 

 

 

Cisco 3600 Series Routers Hardware Installation Guide

 

 

 

 

 

 

 

 

 

 

 

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Contents

 

Cisco 3660 Interfaces

1-11

 

 

Slot Numbering 1-11

 

 

 

Voice Interface Numbering

1-12

 

System Specifications

1-12

 

 

 

Regulatory Compliance

1-15

 

 

 

Preparing to Install the Router

 

 

C H A P T E R 2

2-1

 

 

Safety Recommendations

2-1

 

 

 

Safety with Electricity

2-1

 

 

Preventing Electrostatic Discharge Damage 2-2

 

General Site Requirements

2-3

 

 

Power Supply Considerations

2-3

 

Site Environment

2-4

 

 

 

 

Site Configuration

2-4

 

 

 

 

Equipment Racks

2-5

 

 

 

 

Installation Checklist

2-6

 

 

 

 

Creating a Site Log 2-7

 

 

 

 

Inspecting the Router

2-7

 

 

 

 

Tools and Equipment for Installation and Maintenance 2-8

 

Console and Auxiliary Port Considerations 2-9

 

Console Port Connections

2-9

 

 

Auxiliary Port Connections

2-9

 

 

Preparing to Connect to a Network

2-10

 

Ethernet Connections

2-10

 

 

Token Ring Connections

 

2-11

 

 

 

 

 

 

Serial Connections

2-11

 

 

 

 

 

 

 

Configuring Serial Connections

2-11

 

 

 

 

 

 

Serial DTE or DCE Devices 2-11

 

 

 

 

 

Signaling Standards Supported

2-12

 

 

 

 

 

 

Distance Limitations

2-12

 

 

 

 

 

 

 

Asynchronous/Synchronous Serial Module Baud Rates 2-13

 

 

 

 

 

ISDN BRI Connections

2-13

 

 

 

 

 

 

 

56-K/Switched-56-kbps DSU/CSU Connections 2-14

 

 

Installing the Router 3-1

 

 

 

 

C H A P T E R 3

 

 

 

 

 

 

 

 

 

 

Installing Modules, Interface Cards, and Power Supplies 3-2

 

 

 

 

 

Installing the Chassis

3-3

 

 

 

 

 

 

 

 

Setting the Chassis on a Desktop

3-3

 

 

 

 

 

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Contents

Rack-Mounting the Chassis

3-3

 

 

 

 

 

 

Attaching Brackets to the Router

3-5

 

 

 

Mounting the Router in the Rack

3-14

 

 

 

Wall-Mounting the Cisco 3620 Router

 

3-18

 

 

 

Attaching Rubber Feet to the Router

3-18

 

 

 

Attaching Wall-Mount Brackets to the Router

3-18

 

 

Mounting the Router on the Wall

 

3-18

 

 

 

Installing Chassis Ground Connection

3-19

 

 

 

 

 

Cisco 3620 and Cisco 3640 Chassis Ground Connection

3-19

 

Cisco 3631 Chassis Ground Connection

 

3-24

 

 

 

Cisco 3660 Chassis Ground Connection

 

3-25

 

 

 

Power Connections 3-27

 

 

 

 

 

 

 

 

Connecting Routers to AC Power

3-27

 

 

 

 

 

Connecting Routers to a DC-Input Power Supply

3-27

 

 

Wiring the DC-Input Power Supply in Cisco 3620 and Cisco 3640 Routers 3-28

Wiring the DC-Input Power Supply in Cisco 3631 Routers

3-30

Wiring the DC-Input Power Supply in Cisco 3660 Routers

3-32

Connecting Routers to the Cisco Redundant Power System 3-36

Connecting WAN, LAN, and Voice Cables

3-37

 

 

 

Ports and Cabling

3-37

 

 

 

 

 

 

 

Connections for Cisco 3620, Cisco 3640, and Cisco 3631 Routers

3-39

Connections for Cisco 3660 Routers 3-39

 

 

 

Connecting WAN, LAN, and Voice Cables (Without Chassis Shield) 3-39

Connecting WAN, LAN, and Voice Cables (With Chassis Shield—Telco Only) 3-40

Connecting to a Console Terminal or Modem

3-43

 

 

 

Connecting to the Console Port

3-44

 

 

 

 

 

Connecting to the Auxiliary Port

3-46

 

 

 

 

 

Identifying a Rollover Cable

3-50

 

 

 

 

 

Powering Up the Router

3-51

 

 

 

 

 

 

 

Checklist for Power Up

3-51

 

 

 

 

 

 

 

Front Panel Indicators

3-51

 

 

 

 

 

 

 

Power-Up Procedure

 

3-52

 

 

 

 

 

 

 

Configuring the Router

3-53

 

 

 

 

 

 

 

Initial Configuration Using SDM

3-53

 

 

 

 

 

Initial Configuration Using the Setup Command Facility

3-54

 

Initial Configuration Using the CLI (Manual Configuration)

3-57

 

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Contents

A P P E N D I X

A

Troubleshooting A-1

 

 

 

 

 

 

 

 

 

Isolating Problems

A-1

 

 

 

 

 

 

 

 

Troubleshooting the Power and Cooling Systems

A-2

 

 

Environmental Reporting Features

A-3

 

 

 

 

Troubleshooting Modules, Cables, and Connections

A-3

 

 

Reading Front-Panel LEDs

A-4

 

 

 

 

 

 

 

Front-Panel LEDs on Cisco 3620, Cisco 3640, and Cisco 3660 Routers A-4

 

 

Front-Panel LEDs on Cisco 3631 Routers

A-7

 

 

 

Reading Rear-Panel LEDs

A-8

 

 

 

 

 

 

 

Rear-Panel LEDs on Cisco 3631 Routers

A-8

 

 

 

Rear-Panel LEDs on Cisco 3660 Routers

A-9

 

 

 

Error Messages

A-10

 

 

 

 

 

 

 

 

 

Cisco 3600 Series Error Messages

A-10

 

 

 

 

Cisco 3660 Error Messages

A-12

 

 

 

 

 

 

Recovering a Lost Password

A-16

 

 

 

 

 

 

Using the ROM Monitor

 

 

 

 

 

 

 

A P P E N D I X

B

B-1

 

 

 

 

 

 

 

 

Entering ROM Monitor Mode B-1

 

 

 

 

 

 

ROM Monitor Commands

B-2

 

 

 

 

 

 

 

ROM Monitor Syntax Conventions

B-3

 

 

 

 

 

ROM Monitor Command Descriptions

B-4

 

 

 

 

 

Router Management Commands

B-4

 

 

 

 

 

Boot Commands in the ROM Monitor

B-4

 

 

 

Informational Commands in the ROM Monitor

B-6

 

 

Other Useful ROM Monitor Commands

B-6

 

 

 

Debugging Commands

B-7

 

 

 

 

 

 

 

Configuration Register Commands

B-7

 

 

 

 

Recovering Cisco IOS Software Images

B-9

 

 

 

 

Description and Options of the xmodem Command

B-9

 

 

Console Requirements

B-9

 

 

 

 

 

 

 

Procedure for the xmodem Command

B-10

 

 

 

 

Configuration Register

 

 

 

 

 

 

 

A P P E N D I X

C

C-1

 

 

 

 

 

 

 

 

Configuration Register Settings

C-1

 

 

 

 

 

 

Changing Configuration Register Settings

C-2

 

 

 

 

Configuring the Boot Field

C-4

 

 

 

 

 

 

 

Enabling Booting from Flash Memory

C-6

 

 

 

I N D E X

 

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Preface

This preface discusses the objectives, audience, organization, and conventions of this hardware installation guide, and points to related documents that have information beyond the scope of this document. It contains the following sections:

Objectives, page vii

Audience, page viii

Organization, page viii

Conventions, page viii

Safety Warnings, page ix

Related Documentation, page xiv

Cisco 90-Day Limited Hardware Warranty Terms, page xvi

Obtaining Documentation, page xvii

Documentation Feedback, page xviii

Obtaining Technical Assistance, page xviii

Obtaining Additional Publications and Information, page xx

Objectives

This guide explains how to install, maintain, and troubleshoot your router hardware. It also includes instructions for the router ROM monitor and configuration register.

Although this guide provides minimum software configuration information, it is not comprehensive. For detailed software configuration information, refer to the Software Configuration Guide for Cisco 2600 Series, Cisco 3600 Series, and Cisco 3700 Series Routers and to the Cisco IOS configuration guide and command reference publications. These publications are available online and on the Cisco DocumentationCD-ROM.See the“Obtaining Documentation” section on page xvii for more information.

This guide describes several router models that are similar in functionality, but differ in the number of interfaces supported. Some information provided may not apply to your particular router model.

To access the warranty, service, and support information, see the “Cisco 90-Day Limited Hardware Warranty Terms” section on page xvi.

Cisco 3600 Series Routers Hardware Installation Guide

 

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Preface

Audience

Audience

This guide is designed for the person installing, configuring, and maintaining the router, who should be familiar with electronic circuitry and wiring practices and has experience as an electronic or electromechanical technician. It identifies certain procedures that should be performed only by trained and qualified personnel.

Organization

Table 1 lists the major sections of this hardware installation guide.

:

Table 1 Document Organization

Chapter

Title

Description

 

 

 

Chapter 1

Overview of Cisco 3600 Series

Discusses the features and specifications of the routers.

 

Routers

 

 

 

 

Chapter 2

Preparing to Install the Router

Describes safety recommendations, site requirements, network

 

 

connection considerations, and required tools and equipment; includes

 

 

the installation checklist.

 

 

 

Chapter 3

Installing the Router

Includes router installation information and shows how to connect to the

 

 

router console, auxiliary, and network ports.

 

 

 

Appendix A

Troubleshooting

Describes how to isolate problems, read LEDs, interpret error and status

 

 

messages, recover an enable password, and recover software images.

 

 

 

Appendix B

Using the ROM Monitor

Describes the ROM monitor (bootstrap program).

 

 

 

Appendix C

Configuration Register

Describes the configuration register settings, factory default settings,

 

 

and procedures for changing these settings.

 

 

 

Conventions

 

 

 

 

 

This guide uses the conventions listed in Table 2 to convey instructions and information.

Table 2

Document Conventions

 

 

 

 

Convention

 

Description

 

 

 

boldface font

Commands and keywords.

 

 

 

 

italic font

 

Variables for which you supply values.

 

 

 

 

 

 

 

[

]

 

 

 

Keywords or arguments that appear within square brackets are optional.

 

 

 

 

{x |y |z}

 

A choice of required keywords appears in braces separated by vertical bars. You must select one.

 

 

 

screen font

Examples of information displayed on the screen.

 

 

 

boldface screen

Examples of information you must enter.

font

 

 

 

 

 

 

 

 

 

 

 

<

>

 

 

 

Nonprinting characters, such as passwords, appear in angle brackets in environments where italic font

 

 

 

 

 

is not available.

 

 

 

 

 

 

 

[

]

 

 

 

Default responses to system prompts appear in square brackets.

 

 

 

 

 

 

 

 

 

 

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Preface

Safety Warnings

Note Meansreader take note. Notes contain helpful suggestions or references to material not covered in the manual.

Timesaver Meansthe described action saves time. You can save time by performing the action described in the paragraph.

Tip Means the following information will help you solve a problem. The tips information might not be troubleshooting or even an action, but could be useful information, similar to a Timesaver.

Caution Meansreader be careful. In this situation, you might do something that could result in equipment damage or loss of data.

Safety Warnings

Safety warnings appear throughout this publication in procedures that, if performed incorrectly, may harm you. A warning symbol precedes each warning statement. To see translations of the warnings that appear in this publication, refer to the Cisco 2600 Series, Cisco 3600 Series, and Cisco 3700 Series Regulatory Compliance and Safety Information document that accompanied your router.

Warning IMPORTANT SAFETY INSTRUCTIONS

This warning symbol means danger. You are in a situation that could cause bodily injury. Before you work on any equipment, be aware of the hazards involved with electrical circuitry and be familiar with standard practices for preventing accidents. Use the statement number provided at the end of each warning to locate its translation in the translated safety warnings that accompanied this device. Statement 1071

SAVE THESE INSTRUCTIONS

Waarschuwing BELANGRIJKE VEILIGHEIDSINSTRUCTIES

Dit waarschuwingssymbool betekent gevaar. U verkeert in een situatie die lichamelijk letsel kan veroorzaken. Voordat u aan enige apparatuur gaat werken, dient u zich bewust te zijn van de bij elektrische schakelingen betrokken risico's en dient u op de hoogte te zijn van de standaard praktijken om ongelukken te voorkomen. Gebruik het nummer van de verklaring onderaan de waarschuwing als u een vertaling van de waarschuwing die bij het apparaat wordt geleverd, wilt raadplegen.

BEWAAR DEZE INSTRUCTIES

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Preface

Safety Warnings

Varoitus TÄRKEITÄ TURVALLISUUSOHJEITA

Tämä varoitusmerkki merkitsee vaaraa. Tilanne voi aiheuttaa ruumiillisia vammoja. Ennen kuin käsittelet laitteistoa, huomioi sähköpiirien käsittelemiseen liittyvät riskit ja tutustu onnettomuuksien yleisiin ehkäisytapoihin. Turvallisuusvaroitusten käännökset löytyvät laitteen mukana toimitettujen käännettyjen turvallisuusvaroitusten joukosta varoitusten lopussa näkyvien lausuntonumeroiden avulla.

SÄILYTÄ NÄMÄ OHJEET

Attention IMPORTANTES INFORMATIONS DE SÉCURITÉ

Ce symbole d'avertissement indique un danger. Vous vous trouvez dans une situation pouvant entraîner des blessures ou des dommages corporels. Avant de travailler sur un équipement, soyez conscient des dangers liés aux circuits électriques et familiarisez-vousavec les procédures couramment utilisées pour éviter les accidents. Pour prendre connaissance des traductions des avertissements figurant dans les consignes de sécurité traduites qui accompagnent cet appareil,référez-vousau numéro de l'instruction situé à la fin de chaque avertissement.

CONSERVEZ CES INFORMATIONS

Warnung WICHTIGE SICHERHEITSHINWEISE

Dieses Warnsymbol bedeutet Gefahr. Sie befinden sich in einer Situation, die zu Verletzungen führen kann. Machen Sie sich vor der Arbeit mit Geräten mit den Gefahren elektrischer Schaltungen und den üblichen Verfahren zur Vorbeugung vor Unfällen vertraut. Suchen Sie mit der am Ende jeder Warnung angegebenen Anweisungsnummer nach der jeweiligen Übersetzung in den übersetzten Sicherheitshinweisen, die zusammen mit diesem Gerät ausgeliefert wurden.

BEWAHREN SIE DIESE HINWEISE GUT AUF.

Avvertenza IMPORTANTI ISTRUZIONI SULLA SICUREZZA

Questo simbolo di avvertenza indica un pericolo. La situazione potrebbe causare infortuni alle persone. Prima di intervenire su qualsiasi apparecchiatura, occorre essere al corrente dei pericoli relativi ai circuiti elettrici e conoscere le procedure standard per la prevenzione di incidenti. Utilizzare il numero di istruzione presente alla fine di ciascuna avvertenza per individuare le traduzioni delle avvertenze riportate in questo documento.

CONSERVARE QUESTE ISTRUZIONI

Advarsel VIKTIGE SIKKERHETSINSTRUKSJONER

Dette advarselssymbolet betyr fare. Du er i en situasjon som kan føre til skade på person. Før du begynner å arbeide med noe av utstyret, må du være oppmerksom på farene forbundet med elektriske kretser, og kjenne til standardprosedyrer for å forhindre ulykker. Bruk nummeret i slutten av hver advarsel for å finne oversettelsen i de oversatte sikkerhetsadvarslene som fulgte med denne enheten.

TA VARE PÅ DISSE INSTRUKSJONENE

Cisco 3600 Series Routers Hardware Installation Guide

 

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Preface

Safety Warnings

Aviso INSTRUÇÕES IMPORTANTES DE SEGURANÇA

Este símbolo de aviso significa perigo. Você está em uma situação que poderá ser causadora de lesões corporais. Antes de iniciar a utilização de qualquer equipamento, tenha conhecimento dos perigos envolvidos no manuseio de circuitos elétricos e familiarize-secom as práticas habituais de prevenção de acidentes. Utilize o número da instrução fornecido ao final de cada aviso para localizar sua tradução nos avisos de segurança traduzidos que acompanham este dispositivo.

GUARDE ESTAS INSTRUÇÕES

¡Advertencia! INSTRUCCIONES IMPORTANTES DE SEGURIDAD

Este símbolo de aviso indica peligro. Existe riesgo para su integridad física. Antes de manipular cualquier equipo, considere los riesgos de la corriente eléctrica y familiarícese con los procedimientos estándar de prevención de accidentes. Al final de cada advertencia encontrará el número que le ayudará a encontrar el texto traducido en el apartado de traducciones que acompaña a este dispositivo.

GUARDE ESTAS INSTRUCCIONES

Varning! VIKTIGA SÄKERHETSANVISNINGAR

Denna varningssignal signalerar fara. Du befinner dig i en situation som kan leda till personskada. Innan du utför arbete på någon utrustning måste du vara medveten om farorna med elkretsar och känna till vanliga förfaranden för att förebygga olyckor. Använd det nummer som finns i slutet av varje varning för att hitta dess översättning i de översatta säkerhetsvarningar som medföljer denna anordning.

SPARA DESSA ANVISNINGAR

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Preface

Safety Warnings

Aviso INSTRUÇÕES IMPORTANTES DE SEGURANÇA

Este símbolo de aviso significa perigo. Você se encontra em uma situação em que há risco de lesões corporais. Antes de trabalhar com qualquer equipamento, esteja ciente dos riscos que envolvem os circuitos elétricos e familiarize-secom as práticas padrão de prevenção de acidentes. Use o número da declaração fornecido ao final de cada aviso para localizar sua tradução nos avisos de segurança traduzidos que acompanham o dispositivo.

GUARDE ESTAS INSTRUÇÕES

Advarsel VIGTIGE SIKKERHEDSANVISNINGER

Dette advarselssymbol betyder fare. Du befinder dig i en situation med risiko for legemesbeskadigelse. Før du begynder arbejde på udstyr, skal du være opmærksom på de involverede risici, der er ved elektriske kredsløb, og du skal sætte dig ind i standardprocedurer til undgåelse af ulykker. Brug erklæringsnummeret efter hver advarsel for at finde oversættelsen i de oversatte advarsler, der fulgte med denne enhed.

GEM DISSE ANVISNINGER

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Preface

Safety Warnings

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Preface

Related Documentation

Related Documentation

The Cisco IOS software running your Cisco 3600 series router includes extensive features and functionality. For information that is beyond the scope of this document, or for additional information, use the following resources:

Timesaver Make sure that you have access to the documents listed inTable 3. These documents are all available on the Cisco DocumentationCD-ROMand on the World Wide Web. Some of these documents are available in print. If you need further assistance, see the“Obtaining Documentation” section on page xvii.

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Preface

Related Documentation

Table 3

Related and Referenced Documents

 

 

Cisco Product

Document Title

 

 

Cisco 3600 series routers

Cisco 3620 and Cisco 3640 Modular Access Routers Quick Start Guide

 

 

 

 

 

Cisco 3631 Router Quick Start Guide

 

 

 

 

 

Cisco 3660 Modular Access Router Quick Start Guide

 

 

 

 

 

Cisco Modular Access Router Cable Specifications

 

 

 

 

 

Quick Start Guide: Network Modules for Cisco 2600 Series, Cisco 3600

 

 

Series, and Cisco 3700 Series Routers

 

 

 

 

 

Cisco Network Modules Hardware Installation Guide

 

 

 

 

 

Quick Start Guide: Interface Cards for Cisco 1600, 1700, 2600, 3600, and

 

 

3700 Series

 

 

 

 

 

Cisco Interface Cards Hardware Installation Guide

 

 

 

 

 

Upgrading System Memory in Cisco 3600 Series Routers

 

 

 

 

 

Installing and Configuring Flash Memory Cards in Cisco 3600 Series

 

 

Routers

 

 

 

 

 

Installing and Formatting Cisco 2691, Cisco 3631, and Cisco 3700

 

 

Compact Flash Memory Cards

 

 

 

 

 

AIM Installation Quick Start Guide: Cisco 2600, 3600, and 3700 Series

 

 

 

 

 

Installing Advanced Integration Modules in Cisco 2600 Series, Cisco 3600

 

 

Series, and Cisco 3700 Series Routers

 

 

 

 

 

Installing Power Supplies in Cisco 3600 Series Routers

 

 

 

 

 

Installing Power Supplies in Cisco 3631 Routers

 

 

 

 

 

Installing Universal DC Power Supplies in Cisco 3631 Routers

 

 

 

 

 

Installing Universal DC Power Supplies in Cisco 3660 Routers

 

 

 

 

 

Replacing the Fan Cage in Cisco 3660 Routers

 

 

 

 

 

Cisco RPS Hardware Installation Guide

 

 

 

 

 

Software Configuration Guide for Cisco 2600 Series, Cisco 3600 Series,

 

 

and Cisco 3700 Series Routers

 

 

 

 

 

Cisco 2600 Series, Cisco 3600 Series, and Cisco 3700 Series Regulatory

 

 

Compliance and Safety Information

 

 

Network management

Network management software documentation

 

 

http://www.cisco.com/univercd/cc/td/doc/product/rtrmgmt/index.htm

 

 

Cisco IOS software

Cisco IOS software documentation, all releases.

 

 

http://www.cisco.com/univercd/cc/td/doc/product/software/index.htm

 

 

Refer to the documentation for the Cisco IOS software release installed on

 

 

your router.

 

 

 

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Preface

Cisco 90-DayLimited Hardware Warranty Terms

Cisco 90-DayLimited Hardware Warranty Terms

There are special terms applicable to your hardware warranty and various services that you can use during the warranty period. Your formal Warranty Statement, including the warranty applicable to Cisco software, is included on the Cisco Documentation CD and on Cisco.com. Follow these steps to access and download the Cisco Information Packet and your warranty document from the CD or from Cisco.com.

1.Launch your browser, and go to this URL: http://www.cisco.com/univercd/cc/td/doc/es_inpck/cetrans.htm The Warranties and License Agreements page appears.

2.To read the Cisco Information Packet, follow these steps:

a.Click the Information Packet Number field, and make sure that the part number78-5235-02F0is highlighted.

b.Select the language in which you would like to read the document.

c.Click Go.

The Cisco Limited Warranty and Software License page from the Information Packet appears.

d.Read the document online, or click the PDF icon to download and print the document in Adobe Portable Document Format (PDF).

Note You must have Adobe Acrobat Reader to view and print PDF files. You can download the reader from Adobe’s website,http://www.adobe.com.

3.To read translated and localized warranty information about your product, follow these steps:

a.Enter this part number in the Warranty Document Number field: 78-5236-01C0

b.Select the language in which you would like to read the document.

c.Click Go.

The Cisco warranty page appears.

d.Review the document online, or click the PDF icon to download and print the document in Adobe Portable Document Format (PDF).

You can also contact the Cisco service and support website for assistance:

http://www.cisco.com/public/Support_root.shtml

Duration of Hardware Warranty

Ninety (90) days.

Replacement, Repair, or Refund Policy for Hardware

Cisco or its service center will use commercially reasonable efforts to ship a replacement part within ten (10) working days after receipt of a Return Materials Authorization (RMA) request. Actual delivery times can vary, depending on the customer location.

Cisco reserves the right to refund the purchase price as its exclusive warranty remedy.

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Preface

Obtaining Documentation

To Receive a Return Materials Authorization (RMA) Number

Contact the company from whom you purchased the product. If you purchased the product directly from Cisco, contact your Cisco Sales and Service Representative.

Complete the information below, and keep it for reference:

Company product purchased from

Company telephone number

Product model number

Product serial number

Maintenance contract number

Obtaining Documentation

Cisco provides several ways to obtain documentation, technical assistance, and other technical resources. These sections explain how to obtain technical information from Cisco Systems.

Cisco.com

You can access the most current Cisco documentation on the World Wide Web at this URL:

http://www.cisco.com/univercd/home/home.htm

You can access the Cisco website at this URL:

http://www.cisco.com

International Cisco websites can be accessed from this URL:

http://www.cisco.com/public/countries_languages.shtml

Documentation CD-ROM

Cisco documentation and additional literature are available in a Cisco Documentation CD-ROMpackage, which may have shipped with your product. The DocumentationCD-ROMis updated regularly and may be more current than printed documentation. TheCD-ROMpackage is available as a single unit or through an annual or quarterly subscription.

Registered Cisco.com users can order a single Documentation CD-ROM(product number

DOC-CONDOCCD=)through the Cisco Ordering tool:

http://www.cisco.com/en/US/partner/ordering/ordering_place_order_ordering_tool_launch.html

All users can order annual or quarterly subscriptions through the online Subscription Store:

http://www.cisco.com/go/subscription

Click Subscriptions & Promotional Materials in the left navigation bar.

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Preface

Documentation Feedback

Ordering Documentation

You can find instructions for ordering documentation at this URL:

http://www.cisco.com/univercd/cc/td/doc/es_inpck/pdi.htm

You can order Cisco documentation in these ways:

Registered Cisco.com users (Cisco direct customers) can order Cisco product documentation from the Networking Products MarketPlace:

http://www.cisco.com/en/US/partner/ordering/index.shtml

Nonregistered Cisco.com users can order documentation through a local account representative by calling Cisco Systems Corporate Headquarters (California, USA) at 408 526-7208or, elsewhere in North America, by calling 800553-NETS(6387).

Documentation Feedback

You can submit e-mailcomments about technical documentation tobug-doc@cisco.com.

You can submit comments by using the response card (if present) behind the front cover of your document or by writing to the following address:

Cisco Systems

Attn: Customer Document Ordering

170 West Tasman Drive

San Jose, CA 95134-9883

We appreciate your comments.

Obtaining Technical Assistance

For all customers, partners, resellers, and distributors who hold valid Cisco service contracts, the Cisco Technical Assistance Center (TAC) provides 24-hour-a-day,award-winningtechnical support services, online and over the phone. Cisco.com features the Cisco TAC website as an online starting point for technical assistance. If you do not hold a valid Cisco service contract, please contact your reseller.

Cisco TAC Website

The Cisco TAC website (http://www.cisco.com/tac) provides online documents and tools for troubleshooting and resolving technical issues with Cisco products and technologies. The Cisco TAC website is available 24 hours a day, 365 days a year.

Accessing all the tools on the Cisco TAC website requires a Cisco.com user ID and password. If you have a valid service contract but do not have a login ID or password, register at this URL:

http://tools.cisco.com/RPF/register/register.do

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Obtaining Technical Assistance

Opening a TAC Case

Using the online TAC Case Open Tool (http://www.cisco.com/tac/caseopen) is the fastest way to open P3 and P4 cases. (P3 and P4 cases are those in which your network is minimally impaired or for which you require product information.) After you describe your situation, the TAC Case Open Tool automatically recommends resources for an immediate solution. If your issue is not resolved using the recommended resources, your case will be assigned to a Cisco TAC engineer.

For P1 or P2 cases (P1 and P2 cases are those in which your production network is down or severely degraded) or if you do not have Internet access, contact Cisco TAC by telephone. Cisco TAC engineers are assigned immediately to P1 and P2 cases to help keep your business operations running smoothly.

To open a case by telephone, use one of the following numbers:

Asia-Pacific:+61 2 8446 7411 (Australia: 1 800 805 227)

EMEA: +32 2 704 55 55

USA: 1 800 553-2447

For a complete listing of Cisco TAC contacts, go to this URL:

http://www.cisco.com/warp/public/687/Directory/DirTAC.shtml

TAC Case Priority Definitions

To ensure that all cases are reported in a standard format, Cisco has established case priority definitions.

Priority 1 (P1)—Yournetwork is “down” or there is a critical impact to your business operations. You and Cisco will commit all necessary resources around the clock to resolve the situation.

Priority 2 (P2)—Operationof an existing network is severely degraded, or significant aspects of your business operation are negatively affected by inadequate performance of Cisco products. You and Cisco will commitfull-timeresources during normal business hours to resolve the situation.

Priority 3 (P3)—Operationalperformance of your network is impaired, but most business operations remain functional. You and Cisco will commit resources during normal business hours to restore service to satisfactory levels.

Priority 4 (P4)—Yourequire information or assistance with Cisco product capabilities, installation, or configuration. There is little or no effect on your business operations.

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Obtaining Additional Publications and Information

Obtaining Additional Publications and Information

Information about Cisco products, technologies, and network solutions is available from various online and printed sources.

The Cisco Product Catalog describes the networking products offered by Cisco Systems, as well as ordering and customer support services. Access the Cisco Product Catalog at this URL:

http://www.cisco.com/en/US/products/products_catalog_links_launch.html

Cisco Press publishes a wide range of general networking, training and certification titles. Both new and experienced user will benefit from these publications. For current Cisco Press titles and other information, go to Cisco Press online at this URL:

http://www.ciscopress.com

Packet magazine is the Cisco quarterly publication that provides the latest networking trends, technology breakthroughs, and Cisco products and solutions to help industry professionals get the most from their networking investment. Included are networking deployment and troubleshooting tips, configuration examples, customer case studies, tutorials and training, certification information, and links to numerous in-depthonline resources. You can access Packet magazine at this URL:

http://www.cisco.com/packet

iQ Magazine is the Cisco bimonthly publication that delivers the latest information about Internet business strategies for executives. You can access iQ Magazine at this URL:

http://www.cisco.com/go/iqmagazine

Internet Protocol Journal is a quarterly journal published by Cisco Systems for engineering professionals involved in designing, developing, and operating public and private internets and intranets. You can access the Internet Protocol Journal at this URL:

http://www.cisco.com/en/US/about/ac123/ac147/about_cisco_the_internet_protocol_journal.html

Training—Ciscooffersworld-classnetworking training. Current offerings in network training are listed at this URL:

http://www.cisco.com/en/US/learning/index.html

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C H A P T E R 1

Overview of Cisco 3600 Series Routers

Cisco 3600 series routers are modular access routers with LAN and WAN connections that can be configured by means of interchangeable modules and WAN interface cards. With over 70 modular interface options, Cisco 3600 series routers provide solutions for data, voice, video, hybrid dial access, Virtual Private Networks (VPNs), and multiprotocol data routing.

This chapter includes the following sections:

Hardware Features, page 1-1

Modules and Interface Cards, page 1-5

Memory, page 1-6

Interface Numbering, page 1-8

System Specifications, page 1-12

Regulatory Compliance, page 1-15

Hardware Features

The Cisco 3600 series includes the Cisco 3620, Cisco 3640, Cisco 3631, and Cisco 3660 routers, which have the following features:

Two slots for Personal Computer Memory Card International Association (PCMCIA) cards (Cisco 3620, Cisco 3640, and Cisco 3660 routers only)

Flash memory capability

Sockets for memory modules; either:

Four sockets for DRAM single in-linememory modules (SIMMs),user-configurableas shared memory or main (processor) memory (Cisco 3620 and Cisco 3640 routers only)

Two sockets for SDRAM dual in-linememory modules (DIMMs),user-configurableas shared memory or main (processor) memory (Cisco 3631 and Cisco 3660 routers only)

High-speedconsole and auxiliary ports (up to 115.2 kbps)

Hardware thermal alarm to warn of excessively high operating temperature

Figure 1-1 throughFigure 1-4 show the front panels of the Cisco 3600 series routers.

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Chapter 1 Overview of Cisco 3600 Series Routers

Hardware Features

Cisco 3620

The Cisco 3620 router includes these additional features:

High-performance80-MHzReduced Instruction Set Computer (RISC) processor

Two slots for network modules

Can be installed in a 19-,23-,or24-inchrack, on a wall, or on a desk

Can receive DC power from the Cisco Redundant Power System (RPS)

Figure 1-1Front Panel of the Cisco 3620 Router

H7336

Cisco 3631

The Cisco 3631 router includes these additional features:

High-performance240-MHzPMC-SierraRM7061A RISC processor

One 10/100 Ethernet port

Two slots for network modules

One compact Flash memory card slot

One Advanced Integration Module (AIM) slot

2 WIC/VIC slots

Can be installed in a 19or 23-inchrack or on a desk

Figure 1-2Front Panel of the Cisco 3631 Router

SERIES

62574

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Chapter 1 Overview of Cisco 3600 Series Routers

Hardware Features

Cisco 3640

The Cisco 3640 router includes these additional features:

High-performance100-MHzRISC processor

Four slots for network modules

Can be installed in a 19-,23-,or24-inchrack, or on a desk

Can receive DC power from the Cisco Redundant Power System (RPS)

Figure 1-3Front Panel of the Cisco 3640 Router

H7221

Cisco 3660

The Cisco 3660 router includes these additional features:

High-performance225-MHzRISC processor installed on a removable mainboard tray

Six slots for hot swapping similar network modules

Can be installed in a 19or 23-inchrack, or on a desk

Dual redundant, hot-swappablepower supplies (second power supply is optional)

Hot-swappablefan cage used to cool the chassis

One or two onboard, autosensing, 10/100 Fast Ethernet interfaces

Supports two Advanced Integration Modules (AIMs)

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Chapter 1 Overview of Cisco 3600 Series Routers

Hardware Features

Figure 1-4Front Panel of the Cisco 3660 Router

SYSTEM

PS1

PS2

17325

FE

 

ACTIVE

 

 

 

 

 

0/0

0/1

READY

 

 

 

 

 

1

2

3

4

5

6

Note The Cisco 3660 router platform consists of two router models: Cisco 3661 and Cisco 3662. The Cisco 3661 router with one Fast Ethernet interface (part numberCISCO3661-xC)is shown in

Figure 1-5,and the Cisco 3662 router with two Fast Ethernet interfaces (part numberCISCO3662-xCorCISCO3662-xC-CO)is shown inFigure 1-6.

Figure 1-5 andFigure 1-6 show Cisco 3660 AC power supplies installed. The DC power supplies differ in appearance but occupy the same bays in the router.

Note In this publication, references to Cisco 3660 routers include both Cisco 3661 and Cisco 3662 models.

Figure 1-5Cisco 3661 Router with One Fast Ethernet Interface

VCC OK

SYSTEM

 

 

 

 

 

FDX

 

 

 

 

 

 

 

 

 

 

 

 

LINK

 

1

 

 

 

 

 

 

 

 

 

 

100Mbps

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0

 

 

 

 

 

V1

 

 

VIC

INUSE

 

USEIN

SI

 

 

 

 

 

 

 

 

 

FXS

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

SEE MANUAL

BEFORE INSTALLATION

0

V0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LB/CN

RC

RD

TC

H

 

 

 

 

 

 

 

EN

 

TD

 

SERIAL 3

SERIAL 2

 

SERIAL 1

 

 

 

 

 

 

 

 

 

 

 

 

SERIAL 0

 

 

 

 

 

 

 

 

 

 

 

 

ETH 3

 

 

 

 

 

 

 

 

 

 

 

 

 

ETH 2

ETH 1

 

 

 

ETH 0

 

 

 

 

 

 

 

 

 

3

2

1

 

0

CN/LP RXC

RXD TXC TXD

 

 

 

 

 

EN

 

 

 

 

LINK

 

CN/LP RXC RXD TXC TXD

 

 

 

 

 

 

 

 

ACT

 

 

 

CN/LP RXC RXD TXC TXD

 

 

 

 

 

 

 

 

 

 

 

 

CN/LP RXC RXD

TXC TXD

 

 

 

 

 

 

 

30255

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Chapter 1 Overview of Cisco 3600 Series Routers

Modules and Interface Cards

Figure 1-6Cisco 3662 Router with Two Fast Ethernet Interfaces

VCC OK

 

 

 

 

 

 

 

 

 

SYSTEM

 

FDX

 

 

 

 

 

 

 

 

 

LINK

 

 

 

 

FDX

 

 

 

100Mbps

 

 

 

 

LINK

 

 

 

 

 

 

 

 

100Mbps

 

V1

 

 

VIC

USEIN

 

 

 

USEIN

 

 

 

 

FXS

 

 

 

 

 

 

 

 

 

 

1

 

 

 

 

 

 

 

 

 

SEE MANUAL BEFORE

INSTALLATION

0

V0

 

 

 

 

 

 

 

 

 

EN

 

SERIAL 3

SERIAL 2

 

SERIAL 1

 

 

 

 

 

 

 

 

 

 

SERIAL 0

 

 

 

 

 

 

CN/LP RXC

RXD TXC TXD

CN/LP RXC RXD TXC TXD

 

 

 

 

 

 

EN

 

 

 

CN/LP RXC RXD TXC TXD

CN/LP RXC

RXD TXC

TXD

 

 

 

 

 

1 0

H

LB/CN

RC

RD

TC

TD

ETH 3

ETH 2

ETH 1

 

 

ETH 0

 

 

3

2

1

 

 

0

 

 

 

 

 

LINK

 

 

 

 

 

ACT

30254

Modules and Interface Cards

The latest information on network modules, WAN interface cards (WICs), voice interface cards (VICs), and advanced integration modules (AIMs) is available online and on the documentation CD-ROM.

For information on installing network modules, refer to the following documents:

Quick Start Guide: Network Modules for Cisco 2600 Series, Cisco 3600 Series, and Cisco 3700 Series Routers

Cisco Network Modules Hardware Installation Guide

For information on installing WICs and VICs, refer to the following documents:

Quick Start Guide: Interface Cards for Cisco 1600, 1700, 2600, 3600, and 3700 Series

Cisco Interface Cards Hardware Installation Guide

For information on installing AIMs, refer to the following documents:

AIM Installation Quick Start Guide: Cisco 2600, 3600, and 3700 Series

Installing Advanced Integration Modules in Cisco 2600 Series, Cisco 3600 Series, and Cisco 3700 Series Routers

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Chapter 1 Overview of Cisco 3600 Series Routers

Memory

Memory

This section describes the various types of memory that may be present in a Cisco 3600 series router.

Memory Types

Cisco 3600 series routers support the following types of memory:

DRAM or SDRAM—Storesthe running configuration and routing tables, and is used for packet buffering by the router’s network interfaces. The Cisco IOS software executes from DRAM.

Nonvolatile random-accessmemory(NVRAM)—Storesthe system configuration file and the virtual configuration register. (For more information, seeAppendix C, “Configuration Register.”)

Flash memory—Storesthe operating system software image. You can also add Flash memory on PCMCIA cards and compact Flash cards, depending on the router.

EPROM-basedmemory—Storesthe ROM monitor, which allows you to boot an operating system software image from Flash memory or PCMCIA memory.

Memory Installation Documentation

For information about installing DRAM, SDRAM, NVRAM, and Flash memory SIMMs, refer to the following hardware configuration note:

Upgrading System Memory in Cisco 3600 Series Routers

For information about installing Flash memory PCMCIA cards, refer to the following hardware configuration note:

Installing and Configuring Flash Memory Cards in Cisco 3600 Series Routers

For information about installing compact Flash memory cards, refer to the following hardware configuration note:

Installing and Formatting Cisco 2691, Cisco 3631 and Cisco 3700 Compact Flash Memory Cards

Memory Specifications

Table 1-1 throughTable 1-4 list processor and memory specifications for the routers.

Table 1-1Cisco 3620 Router Processor and Memory Specifications

 

 

 

 

Description

Specification

 

 

 

 

 

 

 

 

 

 

 

 

Processor

80-MHzIDT1 R4700 RISC

 

 

 

 

DRAM (main plus shared)

4 to 64 MB

 

 

 

 

 

 

 

 

 

 

 

NVRAM

32 KB

 

 

 

 

 

 

 

 

 

 

 

Flash memory (SIMM)

4 to 32 MB

 

 

 

 

 

 

 

 

 

 

 

Flash memory (PCMCIA)

2 to 40 MB

 

 

 

 

 

 

 

 

 

 

 

Boot ROM

512 KB

 

 

 

 

 

 

 

 

 

 

 

1. IDT = Integrated Device Technology.

 

 

 

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Memory

Table 1-2Cisco 3631 Router Processor and Memory Specifications

Description

Specification

 

 

Processor

240-MHzPMC-SierraRM7061A

 

RISC processor

 

 

SDRAM (main plus shared)

64 to 256 MB

 

 

NVRAM

55 KB

 

 

Flash memory

32 to 128 MB

(compact Flash)

 

 

 

Boot ROM

512 KB

 

 

Table 1-3Cisco 3640 Router Processor and Memory Specifications

Description

Specification

 

 

Processor

100-MHzIDT R4700 RISC

 

 

DRAM (main plus shared)

4 to 128 MB

 

 

NVRAM

128 KB

 

 

Flash memory (SIMM)

4 to 32 MB

 

 

Flash memory (PCMCIA)

2 to 40 MB

 

 

Boot ROM

512 KB

 

 

Table 1-4Cisco 3660 Router Processor and Memory Specifications

Description

Specification

 

 

Processor

225-MHzQED RM5271

 

 

SDRAM (main plus shared)

32 to 256 MB

 

 

NVRAM

128 KB

 

 

Flash memory (SIMM)

8 to 64 MB

 

 

Flash memory (PCMCIA)

2 to 40 MB

 

 

Boot ROM

512 KB

 

 

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Chapter 1 Overview of Cisco 3600 Series Routers

Interface Numbering

Interface Numbering

Cisco 3620 and Cisco 3640 Interfaces

Each individual network interface on a Cisco 3620 or Cisco 3640 router is identified by a slot number and a unit number.

Slot Numbering

The Cisco 3620 or Cisco 3640 router chassis contains two or four slots in which you can install modules. You can install any module into any available slot in the chassis. For Cisco 3620 and Cisco 3640 routers, the slots are numbered as follows:

Slot 0 is at the bottom right (as viewed from the rear of the chassis), near the power supply.

Slot 1 is at the bottom left.

Slot 2 is at the top right, above slot 0.

Slot 3 is at the top left, above slot 1.

Unit Numbering

Cisco 3600 series routers have unit numbers that identify the interfaces on the modules and WAN interface cards installed in the router. Unit numbers begin at 0 for each interface type, and continue from right to left and (if necessary) from bottom to top. Modules and WAN interface cards are identified by interface type, slot number, followed by a forward slash (/), and then the unit number; for example, Ethernet 0/0.

Figure 1-7 shows a router with a 2E2-slotmodule in slots 0 and 1. Two serial WAN interface cards are installed in the module in slot 0. One serial and one ISDN BRI WAN interface card are installed in the module in slot 1.

Figure 1-7Cisco 3600 Series Unit Numbers

Serial 0/1

Serial 0/0

Serial 1/0

BRI 1/0

3

2E

 

 

 

 

 

 

 

 

 

 

2W W1

 

 

 

 

 

 

2

 

 

 

 

B1

 

 

 

 

 

 

 

 

 

B2

 

 

 

 

 

 

 

 

 

 

SEE

 

 

 

 

 

 

 

 

 

 

MANUAL BEFORE

INSTALLATION

BRI

 

W0

2E

 

 

 

 

 

 

NT1

 

 

 

 

 

1

 

 

 

 

 

2W W1

 

 

 

 

ETHERNET 1

 

 

 

SERIAL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ETHERNET 0

AUI

SERIAL

W0

 

 

 

 

 

 

 

 

EN

 

 

 

 

 

 

 

 

 

 

 

ETHERNET 1

SERIAL

 

 

 

 

 

 

 

 

 

 

 

 

 

thernet 1/1

 

 

 

ETHERNET 0

AUI

 

 

 

 

 

 

 

EN

 

 

 

 

 

 

 

 

 

 

INPUT 100-

 

 

 

 

 

 

Ethernet 1/0

 

240VAC

50/60HZ

3.0-1.5

 

 

 

 

 

 

AMPS

Ethernet 0/1 Ethernet 0/0

Power supply

41182

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Chapter 1 Overview of Cisco 3600 Series Routers

Interface Numbering

Voice Interface Numbering

Voice interfaces are numbered as follows:

interface-typechassis-slot/voice-module-slot/voice-interface

For example, Slot 1, voice network module slot 0, is referred to as voice 1/0/0 (closest to chassis slot 0).

Cisco 3631 Interfaces

Each individual interface (port) on a Cisco 3631 router is identified by number as described in the following sections.

WAN and LAN Interface Numbering

The Cisco 3631 router chassis contains the following WAN and LAN interface types:

One built-inFastEthernet LAN interface

Two slots in which you can install WAN interface cards (WICs)

Two single-widthslots (slot 1 and slot 2) in which you can installsingle-widthnetwork modules The numbering format isInterface-type Slot-number/Interface-number.Two examples are:

FastEthernet 0/0

Serial 1/2

The slot numbers are as follows:

0 for all built-ininterfaces

0 for all WIC interfaces

1 for interfaces in the lower network module slot

2 for interfaces in the upper network module slot

Interface (port) numbers begin at 0 for each interface type, and continue from right to left and (if necessary) from bottom to top.

Figure 1-8 shows an example of interface numbering on a Cisco 3631 router with:

A WIC in each WIC slot (containing interfaces serial 0/0 and serial 0/1 in physical slot W0, and interface serial 0/2 in physical slot W1)

A 32-portasynchronous network module in slot 1 (containing interfaces serial 1/0 through serial 1/31)

An alarm interface controller network module in slot 2 (internally connected to interface serial 2/0)

One built-inEthernet 10/100interface—FastEthernet0/0

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Chapter 1 Overview of Cisco 3600 Series Routers

Interface Numbering

Figure 1-8

Interface Numbering—Example

 

 

 

 

 

 

 

 

Internal connections to serial 2/0

 

 

 

 

 

 

 

 

 

 

 

 

 

Serial 0/0

 

 

 

 

 

 

 

 

 

Serial 0/2

 

 

 

 

 

 

 

 

 

 

 

 

 

Serial 0/1

 

AIC-64

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CONN 1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CONN 3

 

 

 

 

 

 

 

 

 

 

CONN 2

 

 

 

 

 

 

 

 

 

 

ASYNC

27

 

 

 

CONN 4

 

STAT

EN

 

 

 

 

 

30

 

 

 

 

 

 

 

 

 

 

31

 

 

 

 

 

 

 

 

 

 

 

 

 

29

26

ASYNC 24-

 

 

 

 

 

 

 

 

 

 

 

28

25

31

 

 

 

 

 

 

 

 

 

 

 

24

 

 

 

 

 

 

 

 

 

 

 

 

 

 

23

 

 

 

 

 

 

 

 

 

 

15

 

 

22

19

 

 

 

 

 

 

 

 

 

11

 

21

18

ASYNC 16-

 

 

 

 

 

 

 

 

14

 

20

17

23

 

 

 

 

 

 

62052

13

10

ASYNC 8-

15

16

 

 

 

 

 

 

 

12

9

 

 

 

 

TD

 

 

INSTALLATION CD

56K

 

8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7

 

 

 

 

 

 

 

 

 

 

 

 

 

6

3

 

 

 

 

RD LP

 

 

 

 

 

 

 

5

2

ASYNC 0-7

 

 

AL

 

 

 

 

 

 

4

01

 

 

 

 

 

 

 

 

 

 

 

 

 

EN

SEE MANUAL

BEFORE

 

DSU

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SEE

 

 

 

 

 

 

 

 

 

 

 

 

 

MANUAL BEFORE

 

 

 

 

 

 

 

 

 

 

 

 

 

INSTALLATION

 

FastEthernet 0/0

 

 

 

 

Serial 1/0 to 1/7

 

 

Console/AUX

Serial 1/16 to 1/23

ports

Serial 1/8 to 1/15

 

 

Serial 1/24 to 1/31

 

 

Note The slot number for all WIC interfaces is always 0. (The W0 and W1 slot designations are for physical slot identification only.) Interfaces in the WICs are numbered from right to left, starting with 0/0 for each interface type, regardless of which physical slot the WICs are installed in. Some examples are:

If slot W0 is empty and slot W1 contains a 1-portserial WIC, the interface in the WIC is numbered serial 0/0.

If slot W0 contains a 2-portserial WIC and slot W1 contains a1-portserial WIC, the interfaces in physical slot W0 are numbered serial 0/0 and serial 0/1, and the interface in physical slot W1 is numbered serial 0/2.

If slot W0 contains a 2-portserial WIC and slot W1 contains a1-portBRI WIC, the interfaces in physical slot W0 are numbered serial 0/0 and serial 0/1, and the interface in physical slot W1 is numbered BRI 0/0.

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Chapter 1 Overview of Cisco 3600 Series Routers

Interface Numbering

Cisco 3660 Interfaces

Each individual network interface on a Cisco 3600 series router is identified by a slot number and port number.

Slot Numbering

The Cisco 3660 router chassis has six network module slots. Each network module slot accepts a variety of network module interface cards, supporting a variety of LAN and WAN technologies. Figure 1-9 shows the locations of the network module slots.

Figure 1-9Cisco 3660 Slot Numbers

VCC OK

 

 

 

 

 

 

 

 

 

SYSTEM

 

FDX

 

 

 

 

 

 

 

 

 

LINK

 

 

 

 

FDX

 

 

 

100Mbps

 

 

 

 

LINK

 

 

 

 

 

 

 

 

100Mbps

 

V1

 

 

VIC

USEIN

 

 

 

USEIN

 

 

 

 

FXS

 

 

 

 

 

 

 

 

 

 

1

 

 

 

 

 

 

 

 

 

SEE MANUAL BEFORE

INSTALLATION

0

V0

 

 

 

 

 

 

 

 

 

EN

 

SERIAL 3

SERIAL 2

 

SERIAL 1

 

 

 

 

 

 

 

 

 

 

SERIAL 0

 

 

 

 

 

 

CN/LP RXC

RXD TXC TXD

CN/LP RXC RXD TXC TXD

 

 

 

 

 

 

EN

 

 

 

CN/LP RXC RXD TXC TXD

CN/LP RXC

RXD TXC

TXD

 

 

 

 

 

1 0

H

LB/CN

RC

RD

TC

TD

ETH 3

ETH 2

ETH 1

 

 

ETH 0

 

 

3

2

1

 

 

0

 

 

 

 

 

LINK

 

 

 

 

 

ACT

Slot 6

 

Slot 5

Slot 4

Slot 0

Slot 3

Slot 2

 

 

Slot 1

 

 

82775

Modules and WAN interface cards are identified by interface type, slot number, followed by a forward slash (/), and then the port number; for example, Ethernet 0/0.

Slot 0 contains fixed Fast Ethernet ports and is located at the top of the chassis.

Slot 1 through Slot 6 accept up to six network modules.

Port numbers usually begin at 0 for each interface slot, and continue from right to left and, if necessary, from bottom to top. However, interface numbering for the Cisco 3660 series routers and for Ethernet and Token Ring network modules with two WAN interface card slots differs in the following ways:

WAN interface card slot numbers always appear as slot 0, even if the interface card is installed in the slot labeled W1.

WAN interface cards are numbered dynamically, starting with the first card installed. For example:

If slot W0 is empty and slot W1 contains a 1-portserial WAN interface card, the interface number would be serial 0/0.

If slot W0 contains a 2-portserial WAN interface card and slot W1 contains a1-portserial interface card, serial 0/0 and 0/1 would reside in slot W0 and serial 0/2 would reside in slot W1.

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Chapter 1 Overview of Cisco 3600 Series Routers

System Specifications

Voice Interface Numbering

Voice interfaces are numbered differently from WAN interfaces. Voice interfaces are numbered as follows:

interface-typechassis-slot/voice-module-slot/voice-interface

If you have a 4-channelvoice network module installed in slot 1 of your router, the voice interfaces will be as follows:

Chassis-slot1,voice-network-module-slot0,voice-interface0, referred to asvoice 1/0/0 (closest tochassis-slot0)

Chassis-slot1,voice-network-module-slot0,voice-interface1, referred to asvoice 1/0/1

Chassis-slot1,voice-network-module-slot1,voice-interface0, referred to asvoice 1/1/0

Chassis-slot1,voice-network-module-slot1,voice-interface1, referred to asvoice 1/1/1 (farthest fromchassis-slot0)

System Specifications

Table 1-5 throughTable 1-8 contain Cisco 3600 series system specifications.

Table 1-5Cisco 3620 Router System Specifications

 

 

 

 

Description

Specification

 

 

 

 

 

 

 

 

 

 

 

 

Dimensions (H x W x D)

1.75 x 17.5 x 13.5 inches (4.4 x 44.5 x 34.3 cm), one rack unit in height

 

 

 

 

 

 

 

 

 

 

 

Weight

23 lb (10.45 kg), maximum including chassis and two network modules

 

 

 

 

 

 

 

 

 

 

 

Input voltage, AC power

100 to 240 VAC, autoranging

 

 

 

 

supply

 

 

 

 

 

 

Current

2.0A

 

 

 

 

Frequency

47 to 64 Hz

 

 

 

 

Input surge current (AC)

50A, one cycle

 

 

 

 

 

 

 

 

 

 

 

Input rating, DC power

–3to–75VDC

 

 

 

 

supply

 

 

 

 

 

 

Current

5.0 A

 

 

 

 

Input surge current (DC)

65 A, 250 ms

 

 

 

 

 

 

 

 

 

 

 

Power dissipation

95 W (maximum)

 

 

 

 

 

 

 

 

 

 

 

Console and auxiliary ports

RJ-45connector

 

 

 

 

 

 

 

 

 

 

 

Operating humidity

5 to 95%, noncondensing

 

 

 

 

 

 

 

 

 

 

 

Operating temperature

32 to 104° F (0 to 40° C)

 

 

 

 

 

 

 

 

 

 

 

Nonoperating temperature

–40to 185° F(–40to 85° C)

 

 

 

 

 

 

 

 

 

 

 

Noise level

45 dBA (maximum)

 

 

 

 

 

 

 

 

 

 

 

Regulatory compliance

FCC Part 15 Class A. For additional compliance information, refer to

 

 

 

 

 

the Cisco 2600 Series, Cisco 3600 Series, and Cisco 3700 Series

 

 

 

 

 

Regulatory Compliance and Safety Information document that

 

 

 

 

 

accompanied the router.

 

 

 

 

 

 

 

 

 

 

 

Safety compliance

UL 60950; CAN/CSA C22.2 No. 60950-00;IEC 60950;

 

 

 

 

 

AS/NZS 3260; TS001

 

 

 

 

 

 

 

 

 

 

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System Specifications

Table 1-6Cisco 3631 Router System Specifications

Description

Specification

 

 

Dimensions (H x W x D)

3.46 x 17.07 x 11.20 inches (8.78 x 45.36 x 28.45 cm), two rack units

 

in height

 

 

Weight

15 lb (6.8 kg)

 

 

Input voltage, AC power

100 to 240 VAC, autoranging

supply

 

Current

2.0 A

Frequency

47 to 63 Hz

Input surge current (AC)

50 A, one cycle

 

 

Input rating, DC power

–48to–60VDC

supply

 

Operational between

–48to–60VDC

Current

4.0 A

Input surge current (DC)

50 A, 250 ms

 

 

Power dissipation

105 W (maximum)

 

 

Console and auxiliary ports

RJ-45connector

 

 

Operating humidity

5 to 95%, noncondensing

 

 

Operating temperature

32 to 104° F (0 to 40° C)

 

 

Nonoperating temperature

–40to 185° F(–40to 85° C)

 

 

Noise level

45 dBA (maximum)

 

 

Regulatory compliance

FCC Part 15 Class A. For additional compliance information, refer to

 

the Cisco 2600 Series, Cisco 3600 Series, and Cisco 3700 Series

 

Regulatory Compliance and Safety Information document that

 

accompanied the router.

 

 

Safety compliance

UL 60950; CAN/CSA C22.2 No. 60950-00;IEC 60950;

 

AS/NZS 3260; TS001

 

 

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Chapter 1 Overview of Cisco 3600 Series Routers

System Specifications

Table 1-7Cisco 3640 Router System Specifications

Description

Specification

 

 

Dimensions (H x W x D)

3.44 x 17.5 x 15.8 inches (8.7 x 44.5 x 40.0 cm), two rack units in height

 

 

Weight

30 lb (13.6 kg), including chassis and four modules

 

 

Input voltage, AC power

100 to 240 VAC, autoranging

supply

 

Current

2.0 A

Frequency

47 to 64 Hz

Input surge current (AC)

50 A, one cycle

 

 

Input rating, DC power

–38to–75VDC

supply

 

Current

5.0 A

Input surge current (DC)

65 A, 250 ms

 

 

Power dissipation

220 W (maximum)

 

 

Console and auxiliary ports

RJ-45connector

 

 

Operating humidity

5 to 95%, noncondensing

 

 

Operating temperature

32 to 104° F (0 to 40° C)

 

 

Nonoperating temperature

–40to 185° F(–40to 85° C)

 

 

Noise level

51.9 dBA (maximum)

 

 

Regulatory compliance

FCC Part 15 Class A. For additional compliance information, refer to

 

the Cisco 2600 Series, Cisco 3600 Series, and Cisco 3700 Series

 

Regulatory Compliance and Safety Information document that

 

accompanied the router.

 

 

Safety compliance

UL 60950; CAN/CSA C22.2 No. 60950-00;IEC 60950; AS/NZS 3260;

 

TS001

 

 

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Chapter 1 Overview of Cisco 3600 Series Routers

Regulatory Compliance

Table 1-8Cisco 3660 Router System Specifications

Description

Specification

 

 

Dimensions (H x W x D)

8.75 x 17.5 x 11.5 inches (22.1 x 44.5 x 29.1 cm), five rack units in

 

height

 

 

Weight

48 lb (21.8 kg), including chassis, six modules, and two power supplies

 

 

Input voltage, AC power

100 to 240 VAC, autoranging

supply

 

(dual, redundant)

 

Current

4.0 A/2.0 A

Frequency

47 to 63 Hz

Input surge current (AC)

50 A, half-cycle

 

 

Input rating, DC power

–48to–60VDC

supply

 

(dual, redundant)

 

Operational between

–36to–72VDC

Current

10.0 A

Input surge current (DC)

50 A, 10 ms

 

 

Power dissipation

380 W (maximum)

 

 

Console and auxiliary ports

RJ-45connector

 

 

Operating humidity

5 to 95%, noncondensing

 

 

Operating temperature

32 to 104° F (0 to 40° C)

 

 

Nonoperating temperature

–40to 185° F(–40to 85° C)

 

 

Noise level

50 dBA

 

 

Regulatory compliance

FCC Part 15 Class A. For additional compliance information, refer to

 

the Cisco 2600 Series, Cisco 3600 Series, and Cisco 3700 Series

 

Regulatory Compliance and Safety Information document.

 

 

Safety compliance

UL 60950; CAN/CSA C22.2 No. 60950-00;IEC 60950; AS/NZS 3260;

 

TS001

 

 

Regulatory Compliance

For compliance information, refer to the Cisco 2600 Series, Cisco 3600 Series, and Cisco 3700 Series Regulatory Compliance and Safety Information document that accompanied your router.

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Chapter 1 Overview of Cisco 3600 Series Routers

Regulatory Compliance

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C H A P T E R 2

Preparing to Install the Router

This chapter describes site requirements and equipment needed to install your Cisco 3600 series router. It includes the following sections:

Safety Recommendations, page 2-1

General Site Requirements, page 2-3

Installation Checklist, page 2-6

Creating a Site Log, page 2-7

Inspecting the Router, page 2-7

Tools and Equipment for Installation and Maintenance, page 2-8

Console and Auxiliary Port Considerations, page 2-9

Preparing to Connect to a Network, page 2-10

After you have completed this chapter, proceed to Chapter 3, “Installing the Router” for installation instructions.

Safety Recommendations

Follow these guidelines to ensure general safety:

Keep the chassis area clear and dust-freeduring and after installation.

If you remove the chassis cover, put it in a safe place.

Keep tools and chassis components away from walk areas.

Do not wear loose clothing that could get caught in the chassis. Fasten your tie or scarf and roll up your sleeves.

Wear safety glasses when working under conditions that might be hazardous to your eyes.

Do not perform any action that creates a hazard to people or makes the equipment unsafe.

Safety with Electricity

Follow these guidelines when working on equipment powered by electricity:

Warning Read the installation instructions before connecting the system to the power source.Statement 1004

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Chapter 2 Preparing to Install the Router

Safety Recommendations

Locate the emergency power-offswitch in the room in which you are working. Then, if an electrical accident occurs, you can quickly turn off the power.

Disconnect all power before doing the following:

Installing or removing a chassis

Working near power supplies

Look carefully for possible hazards in your work area, such as moist floors, ungrounded power extension cables, frayed power cords, and missing safety grounds.

Do not work alone if hazardous conditions exist.

Never assume that power is disconnected from a circuit. Always check.

If an electrical accident occurs, proceed as follows:

Use caution; do not become a victim yourself.

Turn off power to the device.

If possible, send another person to get medical aid. Otherwise, assess the victim’s condition and then call for help.

Determine if the person needs rescue breathing or external cardiac compressions; then take appropriate action.

In addition, use the following guidelines when working with any equipment that is disconnected from a power source, but still connected to telephone wiring or other network cabling:

Never install telephone wiring during a lightning storm.

Never install telephone jacks in wet locations unless the jack is specifically designed for it.

Never touch uninsulated telephone wires or terminals unless the telephone line is disconnected at the network interface.

Use caution when installing or modifying telephone lines.

Preventing Electrostatic Discharge Damage

Electrostatic discharge (ESD) can damage equipment and impair electrical circuitry. It can occur if electronic printed circuit cards are improperly handled and can cause complete or intermittent failures. Always follow ESD prevention procedures when removing and replacing modules:

Ensure that the router chassis is electrically connected to earth ground.

Wear an ESD-preventivewrist strap, ensuring that it makes good skin contact. Connect the clip to an unpainted surface of the chassis frame to channel unwanted ESD voltages safely to ground. To guard against ESD damage and shocks, the wrist strap and cord must operate effectively.

If no wrist strap is available, ground yourself by touching a metal part of the chassis.

Caution For the safety of your equipment, periodically check the resistance value of the antistatic strap. It should be between 1 and 10 megohms (Mohm).

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Chapter 2 Preparing to Install the Router

General Site Requirements

General Site Requirements

This section describes the requirements your site must meet for safe installation and operation of your router. Ensure that the site is properly prepared before beginning installation. If you are experiencing shutdowns or unusually high errors with your existing equipment, this section can also help you isolate the cause of failures and prevent future problems.

Power Supply Considerations

Check the power at your site to ensure that you are receiving “clean” power (free of spikes and noise). Install a power conditioner if necessary.

Warning The device is designed for connection to TN and IT power systems.Statement 1007

The AC power supply includes the following features:

Autoselects either 110-Vor220-Voperation.

All units include a 6-foot(1.8-meter)electrical power cord. (A label near the power cord indicates the correct voltage, frequency, current draw, and power dissipation for the unit.)

Table 2-1 describes power requirements for Cisco 3600 series routers.

Table 2-1Power Requirements for Cisco 3600 Series Routers

Router

Power Supply

Input Power

 

Input Voltage

 

 

 

 

 

 

Tolerance Limits

 

 

 

 

 

Cisco 3620

AC

100 - 240 VAC, 1.0 A, 50 - 60 Hz

85

- 264 VAC

 

 

 

 

 

 

 

DC, nominal 48 VDC

48

- 60 VDC, 3.0 A, positive or negative input

38

- 72 VDC

 

 

 

 

 

Cisco 3631

AC

100 - 240 VAC, 2.0 A, 50 - 60 Hz

85

- 264 VAC

 

 

 

 

 

 

 

DC, nominal 24/48 VDC

24

- 36 VDC, 8 A, positive or negative input

18

- 72 VDC

 

 

 

 

 

 

 

 

 

36

- 60 VDC, 4 A, positive or negative input

 

 

 

 

 

 

 

 

 

 

 

 

DC, nominal 48 VDC

48

- 60 VDC, 4

A, positive or negative input

38

- 72

VDC

 

 

 

 

 

Cisco 3640

AC

100 - 240 VAC, 2.0 A, 50 - 60 Hz

85

- 264 VAC

 

 

 

 

 

 

 

 

 

DC, nominal 48 VDC

48

- 60

VDC, 5.0 A, positive or negative input

38

- 72

VDC

 

 

 

 

 

Cisco 3660

AC

100 - 240 VAC, 4.0 A, 50 - 60 Hz

85

- 264 VAC

 

 

 

 

 

 

 

 

DC, nominal 24/48 VDC

24

- 36

VDC, 16 A, positive or negative input

18 - 72

VDC

 

 

 

 

 

 

 

 

 

 

 

36

- 60

VDC, 7

A, positive or negative input

 

 

 

 

 

 

 

 

 

 

 

 

 

DC, nominal 48 VDC

48

- 60

VDC, 8

A, positive or negative input

38

- 72

VDC

 

 

 

 

 

 

 

 

 

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Chapter 2 Preparing to Install the Router

General Site Requirements

Site Environment

All Cisco 3600 series routers can be placed on a desktop or mounted in a rack. The Cisco 3620 and Cisco 3640 routers can also be installed on a wall. The location of your router and the layout of your equipment rack or wiring room are extremely important for proper operation. Equipment placed too close together, inadequate ventilation, and inaccessible panels can cause malfunctions and shutdowns, and can make maintenance difficult. Plan for access to both front and rear panels of the router.

When planning your site layout and equipment locations, remember the precautions described in the next section, “Site Configuration” to help avoid equipment failures and reduce the possibility of environmentally caused shutdowns. If you are currently experiencing shutdowns or unusually high errors with your existing equipment, these precautions may help you isolate the cause of the failures and prevent future problems.

Site Configuration

The following precautions will help you plan an acceptable operating environment for your router and will help you avoid environmentally caused equipment failures:

Ensure that the room where your router operates has adequate circulation. Electrical equipment generates heat. Without adequate circulation, ambient air temperature may not cool equipment to acceptable operating temperatures.

Always follow ESD-preventionprocedures described in the“Preventing Electrostatic Discharge Damage” section on page 2-2 to avoid damage to equipment. Damage from static discharge can cause immediate or intermittent equipment failure.

Ensure that the chassis cover or mainboard tray and module rear panels are secure. All empty network module slots, WAN interface card slots, and power supply bays (in the Cisco 3660 router) must have filler panels installed. The chassis is designed to allow cooling air to flow within it, through specially designed cooling slots. A chassis with uncovered openings will create air leaks, which may interrupt and reduce the flow of air across internal components.

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Chapter 2 Preparing to Install the Router

General Site Requirements

Equipment Racks

You can mount the Cisco 3620 and Cisco 3640 routers in a 19-inchrack (with a 17.5- or17.75-inchopening), a23-inchrack, or a24-inchrack.

The Cisco 3631 and Cisco 3660 routers can be mounted in a 19-inchrack (with a 17.5- or17.75-inchopening), or a23-inchrack.

The following information will help you plan your equipment rack configuration:

Allow clearance around the rack for maintenance.

Enclosed racks must have adequate ventilation. Ensure that the rack is not congested, because each router generates heat. An enclosed rack should have louvered sides and a fan to provide cooling air. Heat generated by equipment near the bottom of the rack can be drawn upward into the intake ports of the equipment above.

When mounting a chassis in an open rack, ensure that the rack frame does not block the intake ports or exhaust ports. If the chassis is installed on slides, check the position of the chassis when it is seated into the rack.

Baffles can help to isolate exhaust air from intake air, which also helps to draw cooling air through the chassis. The best placement of the baffles depends on the airflow patterns in the rack, which can be found by experimenting with different configurations.

When equipment installed in a rack (particularly in an enclosed rack) fails, try operating the equipment by itself, if possible. Power off other equipment in the rack (and in adjacent racks) to allow the router under test a maximum of cooling air and clean power.

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Chapter 2 Preparing to Install the Router

Installation Checklist

Installation Checklist

The sample Installation Checklist lists items and procedures for installing a new router. Make a copy of this checklist and mark the entries when completed. Include a copy of the checklist for each router in your Site Log (described in the next section, “Creating a Site Log”).

Installation checklist for site_____________________________________________

Router name_______________________________________________________

Task

Verified by

Date

 

 

 

Installation Checklist copied

 

 

 

 

 

Background information placed in Site Log

 

 

 

 

 

Site power voltages verified

 

 

 

 

 

Installation site power check completed

 

 

 

 

 

Required tools available

 

 

 

 

 

Additional equipment available

 

 

 

 

 

Router received

 

 

 

 

 

The appropriate quick start guide for your router

 

 

received

 

 

 

 

 

Cisco 2600 Series, Cisco 3600 Series, and

 

 

Cisco 3700 Series Regulatory Compliance and

 

 

Safety Information document received

 

 

 

 

 

Product registration card received

 

 

 

 

 

Cisco.com contact information label received

 

 

 

 

 

Chassis components verified

 

 

 

 

 

Initial electrical connections established

 

 

 

 

 

ASCII terminal (for local configuration) or

 

 

modem (for remote configuration)

 

 

 

 

 

Signal distance limits verified

 

 

 

 

 

Startup sequence steps completed

 

 

 

 

 

Initial operation verified

 

 

 

 

 

Software image verified

 

 

 

 

 

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Creating a Site Log

Creating a Site Log

The Site Log provides a record of all actions related to the router. Keep it in an accessible place near the chassis where anyone who performs tasks has access to it. Use the Installation Checklist to verify steps in the installation and maintenance of the router. Site Log entries might include the following:

Installation progress—Makea copy of the Installation Checklist and insert it into the Site Log. Make entries as each procedure is completed.

Upgrade and maintenance procedures—Usethe Site Log as a record of ongoing router maintenance and expansion history. A Site Log might include the following events:

Installation of network modules

Removal or replacement of network modules and other upgrades

Configuration changes

Maintenance schedules and requirements

Maintenance procedures performed

Intermittent problems

Comments and notes

Inspecting the Router

Do not unpack the router until you are ready to install it. If the final installation site will not be ready for some time, keep the chassis in its shipping container to prevent accidental damage. When you are ready to install the router, proceed with unpacking it.

The router, cables, publications, and any optional equipment you ordered may be shipped in more than one container. When you unpack the containers, check the packing list to ensure that you received all the following items:

Router

6-foot(1.8-meter)power cord

Rubber feet for desktop mounting (with Cisco 3620 routers only)

Rack-mountbrackets for19-inchrack

Grounding lug and bracket

RJ-45-to-DB-9adapter cable

RJ-45-to-DB-25adapter cable

Ethernet cables: one with Cisco 3631 and Cisco 3640; two with Cisco 3660

Optional equipment (such as network connection cables or additional rack-mountbrackets)

Cisco 3620 and Cisco 3640 Modular Access Routers Quick Start Guide, if applicable

Cisco 3631 Router Quick Start Guide, if applicable

Cisco 3660 Modular Access Router Quick Start Guide, if applicable

Cisco 2600 Series, Cisco 3600 Series, and Cisco 3700 Series Regulatory Compliance and Safety Information document

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Tools and Equipment for Installation and Maintenance

Inspect all items for shipping damage. If anything appears to be damaged, or if you encounter problems installing or configuring your router, contact customer service. Warranty, service, and support information is in the quick start guide that shipped with your router.

Tools and Equipment for Installation and Maintenance

You need the following tools and equipment to install and upgrade the router and its components:

ESD-preventivecord and wrist strap

Number 2 Phillips screwdriver

Flat-bladescrewdrivers: small,3/16-inch(0.476 cm) and medium,1/4-inch(0.625 cm)

To install or remove modules

To remove the cover or mainboard tray, if you are upgrading memory or other components

Number 15 Torx screwdriver

For replacing components in the Cisco 3660 router

Rack-mountscrews

ROM 32-pinPLCC extractor tool

Needlenose pliers

For straightening any pins bent when you install the ROM

Cable ties, if required, for organizing cables

To install a Cisco 3620 router on a wall, you need suitable screws or wall anchors.

In addition, depending on the type of modules you plan to use, you might need the following equipment to connect a port to an external network:

Cables for connection to the WAN and LAN ports (dependent on configuration).

Note For more information on cable specifications, refer to theCisco Modular Access Router Cable Specifications document online or on the DocumentationCD-ROM.

Ethernet hub or PC with a network interface card for connection to Ethernet (LAN) ports.

Console terminal (an ASCII terminal or a PC running terminal emulation software) configured for 9600 baud, 8 data bits, no parity, and 2 stop bits.

Modem for connection to the auxiliary port for remote administrative access (optional).

Token Ring interfaces require a Token Ring media attachment unit (MAU).

Serial interfaces may require a data service unit (DSU) or channel service unit/data service unit (CSU/DSU).

CT1/PRI modules without the built-inCSU require an external CSU.

ISDN BRI S/T interfaces require an NT1 device if one is not supplied by your service provider.

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Console and Auxiliary Port Considerations

Console and Auxiliary Port Considerations

The router includes an asynchronous serial console port and an auxiliary port. The console and auxiliary ports provide access to the router either locally using a console terminal, or remotely using a modem connected to the auxiliary port. This section discusses important cabling information to consider before connecting a console terminal, which can be either an ASCII terminal or a PC running terminal emulation software, to the console port or modem to the auxiliary port.

The main difference between the console and auxiliary ports is that the auxiliary port supports hardware flow control and the console port does not. Flow control paces the transmission of data between a sending device and a receiving device. Flow control ensures that the receiving device can absorb the data sent to it before the sending device sends more. When the buffers on the receiving device are full, a message is sent to the sending device to suspend transmission until the data in the buffers has been processed. Because the auxiliary port supports flow control, it is ideally suited for use with the high-speedtransmissions of a modem. Console terminals transmit at slower speeds than modems; therefore, the console port is ideally suited for use with console terminals.

Console Port Connections

The router has an EIA/TIA-232asynchronous serial console port(RJ-45).Depending on the cable and the adapter used, this port appears as a DTE or DCE device at the end of the cable.

For connection to a PC running terminal emulation software, your router is provided with an RJ-45toDB-9adapter cable.

To connect the router to an ASCII terminal, use an RJ-45rollover cable and anRJ-45-to-DB-25female adapter (not provided).

The default parameters for the console port are 9600 baud, 8 data bits, no parity, and 2 stop bits. The console port does not support hardware flow control. For detailed information about installing a console terminal, refer to the “Connecting to a Console Terminal or Modem” section on page 3-43.

For cable and port pinouts, refer to the Cisco Modular Access Router Cable Specifications document online or on the DocumentationCD-ROM.

Auxiliary Port Connections

The router has an EIA/TIA-232asynchronous serial auxiliary port(RJ-45)that supports flow control. Depending on the cable and the adapter used, this port appears as a DTE or DCE device at the end of the cable.

For connection to a modem, your router is provided with an RJ-45-to-DB-25adapter cable.

For detailed information about connecting devices to the auxiliary port, refer to the “Connecting to a Console Terminal or Modem” section on page 3-43.

For cable and port pinouts, refer to the Cisco Modular Access Router Cable Specifications document online or on the DocumentationCD-ROM.

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Preparing to Connect to a Network

Preparing to Connect to a Network

When setting up your router, consider distance limitations and potential electromagnetic interference (EMI) as defined by the applicable local and international regulations.

Network connection considerations are provided for several types of network interfaces and are described in the following sections:

Ethernet Connections, page 2-10

Token Ring Connections, page 2-11

Serial Connections, page 2-11

ISDN BRI Connections, page 2-13

56-K/Switched-56-kbps DSU/CSU Connections, page 2-14

Refer to the following online documents for more information about network connections and interfaces:

Cisco Network Modules Hardware Installation Guide

Cisco Interface Cards Installation Guide

Cisco Modular Access Router Cable Specifications

Warning To avoid electric shock, do not connect safetyextra-lowvoltage (SELV) circuits totelephone-networkvoltage (TNV) circuits. LAN ports contain SELV circuits, and WAN ports contain TNV circuits. Some LAN and WAN ports both useRJ-45connectors.Statement 1021

Ethernet Connections

The IEEE has established Ethernet as standard IEEE 802.3. The most common Ethernet implementations are as follows:

100BASE-T—2-pairCategory 5 or unshieldedtwisted-pair(UTP)straight-throughRJ-45cable.

10BASE-2—Etherneton thin coaxial cable, also known as thin Ethernet. The maximum segment distance is 607 feet (186 meters).

10BASE-5—Etherneton thick coaxial cable, also known as thick Ethernet. The maximum segment distance is 1,640 feet (500 meters).

10BASE-T—Etherneton unshieldedtwisted-pair(UTP) cable. The maximum segment distance is 328 feet (100 meters). UTP cables look like the wiring used for ordinary telephones; however, UTP cables meet certain electrical standards that telephone cables do not meet.

Refer to the Cisco Modular Access Router Cable Specifications online document for information about Ethernet cables, connectors, and pinouts. This document is available online and on the Cisco DocumentationCD-ROM.

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Preparing to Connect to a Network

Token Ring Connections

The IEEE has established Token Ring as standard IEEE 802.5. Specifications indicate a maximum segment distance of 328 feet (100 meters) for UTP cabling.

Note To ensure agency compliance with FCC Class B electromagnetic emissions requirements (EMI), make sure that you use a shieldedRJ-45Token Ring cable when connecting your router to a Token Ring network.

Token Ring can operate at two different ring speeds: 4 and 16 Mbps. All devices on the Token Ring must use the same operating speed.

Use a Token Ring cable to connect the router to a switch. Refer to the section “Token Ring Port Pinouts” in the Cisco Modular Access Router Cable Specifications online document for the Token Ring port pinouts. This document is available online and on the Cisco DocumentationCD-ROM.

Serial Connections

Serial connections are provided by WAN interface cards and network modules. For more information on WAN interface cards, refer to the Cisco Interface Cards Installation Guide. For more information on network modules, refer to theCisco Network Modules Hardware Installation Guide. These documents are accessible online and on the Cisco DocumentationCD-ROM.

Before you connect a device to a serial port, you need to know the following:

Type of device, data terminal equipment (DTE) or data communications equipment (DCE), you are connecting to the synchronous serial interface

Type of connector, male or female, required to connect to the device

Signaling standard required by the device

Configuring Serial Connections

The serial ports on the asynchronous/synchronous serial network modules and the serial WAN interface card use DB-60connectors. Serial ports can be configured as DTE or DCE, depending on the serial cable used.

Serial DTE or DCE Devices

A device that communicates over a synchronous serial interface is either a DTE or DCE device. A DCE device provides a clock signal that paces the communications between the device and the router. A DTE device does not provide a clock signal. DTE devices usually connect to DCE devices. The documentation that accompanied the device should indicate whether it is a DTE or DCE device. (Some devices have a jumper to select either DTE or DCE mode.) Table 2-2 lists typical DTW and DCE devices.

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Table 2-2Typical DTE and DCE Devices

Device Type

Gender

Typical Devices

 

 

 

DTE

Male1

Terminal

 

 

PC

 

 

 

DCE

Female2

Modem

 

 

CSU/DSU

 

 

Multiplexer

 

 

 

1.If pins protrude from the base of the connector, the connector is male.

2.If the connector has holes to accept pins, the connector is female.

Signaling Standards Supported

The synchronous serial ports available for the router support the following signaling standards: EIA/TIA-232,EIA/TIA-449,V.35, X.21, andEIA-530.You can order a CiscoDB-60shielded serial transition cable that has the appropriate connector for the standard you specify. The documentation for the device you want to connect should indicate the standard used for that device. The router end of the shielded serial transition cable has aDB-60connector, which connects to theDB-60port on a serial WAN interface card. The other end of the serial transition cable is available with a connector appropriate for the standard you specify.

The synchronous serial port can be configured as DTE or DCE, depending on the attached cable (except EIA-530,which is DTE only). To order a shielded cable, contact customer service. See the“Obtaining Technical Assistance” section on page xviii.

Note All serial ports configured as DTE require external clocking from a CSU/DSU or other DCE device.

Although manufacturing your own serial cables is not recommended (because of the small size of the pins on the DB-60serial connector), cable pinouts are provided in theCisco Modular Access Router Cable Specifications document.

Distance Limitations

Serial signals can travel a limited distance at any given bit rate; generally, the slower the data rate, the greater the distance. All serial signals are subject to distance limits, beyond which a signal significantly degrades or is completely lost.

Note Only the serial WAN interface card supports bit rates above 128 Kbps.

Table 2-3 lists the recommended maximum speeds and distances for each serial interface type; however, you might get good results at speeds and distances greater than those listed, if you understand the electrical problems that might arise and can compensate for them. For instance, the recommended maximum rate for V.35 is 2 Mbps, but 4 Mbps is commonly used.

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Table 2-3Serial Signal Transmission Speeds and Distances

 

EIA/TIA-232

EIA/TIA-449,X.21, V.35,

 

Distance

 

EIA-530Distance

 

 

 

 

 

Rate (bps)

Feet

Meters

Feet

Meters

 

 

 

 

 

2400

200

60

4100

1250

 

 

 

 

 

4800

100

30

2050

625

 

 

 

 

 

9600

50

15

1025

312

 

 

 

 

 

19200

25

7.6

513

156

 

 

 

 

 

38400

12

3.7

256

78

 

 

 

 

 

56000

8.6

2.6

102

31

 

 

 

 

 

1544000 (T1)

50

15

 

 

 

 

 

Balanced drivers allow EIA/TIA-449signals to travel greater distances thanEIA/TIA-232signals. The recommended distance limits forEIA/TIA-449shown inTable 2-3 are also valid for V.35, X.21, andEIA-530.Typically,EIA/TIA-449andEIA-530can support2-Mbpsrates, and V.35 can support4-Mbpsrates.

Asynchronous/Synchronous Serial Module Baud Rates

The following baud-ratelimitations apply to theslow-speedserial interfaces found in the asynchronous/synchronous serial modules:

Asynchronous interface—Maximumbaud rate is 115.2 kbps.

Synchronous interface—Maximumbaud rate is128-kbpsfull duplex.

ISDN BRI Connections

The BRI WAN interface cards provide Integrated Services Digital Network (ISDN) Basic Rate Interface (BRI) connections. The BRI modules and BRI WAN interface cards are available with either an S/T interface that requires an external Network Terminator 1 (NT1), or a U interface that has a built-inNT1.

You can install the BRI modules in any available slot in the chassis.

Warning Hazardous network voltages are present in WAN ports regardless of whether power to the unit is OFF or ON. To avoid electric shock, use caution when working near WAN ports. When detaching cables, detach the end away from the unit first.Statement 1026

Use a BRI cable (not included) to connect the BRI WAN interface card directly to an ISDN. Table 2-4 lists the specifications for ISDN BRI cables. Also, refer to theCisco Modular Access Router Cable Specifications online document for pinouts. This document is located on Cisco.com and the DocumentationCD-ROM.

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Table 2-4ISDN BRI Cable Specifications

Specification

High-CapacitanceCable

Low-CapacitanceCable

 

 

 

Resistance (at 96 kHz)

160 ohms/km

160 ohms/km

 

 

 

Capacitance (at 1 kHz)

120 nF1/km

30 nF/km

Impedance (at 96 kHz)

75 ohms

150 ohms

 

 

 

Wire diameter

0.024 in. (0.6 mm)

0.024 in. (0.6 mm)

 

 

 

Distance limitation

32.8 ft (10 m)

32.8 ft (10 m)

 

 

 

1. nF = nanoFarad

For more information on BRI WAN interface cards, refer to the Cisco Interface Cards Installation Guide online document. This document is located on Cisco.com and the DocumentationCD-ROM.

56-K/Switched-56-kbpsDSU/CSU Connections

Switched-56-kbpsconnections are provided by the56-kbpsDSU/CSU WAN interface card.

For more information on Switched-56-kbpsWAN interface cards, refer to theCisco Interface Cards Installation Guide online document. This document is located on Cisco.com and the DocumentationCD-ROM.

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C H A P T E R 3

Installing the Router

This chapter describes how to install your Cisco 3600 series router and connect it to networks and external devices. It contains the following sections:

Installing Modules, Interface Cards, and Power Supplies, page 3-2

Installing the Chassis, page 3-3

Installing Chassis Ground Connection, page 3-19

Power Connections, page 3-27

Connecting WAN, LAN, and Voice Cables, page 3-37

Connecting to a Console Terminal or Modem, page 3-43

Powering Up the Router, page 3-51

Configuring the Router, page 3-53

Warning Only trained and qualified personnel should be allowed to install, replace, or service this equipment.

Statement 1030

Warning This unit is intended for installation in restricted access areas. A restricted access area can be accessed only through the use of a special tool, lock and key, or other means of security.

Statement 1017

Note See the “Tools and Equipment for Installation and Maintenance” section on page 2-8 for a list of tools and equipment that might be required for your installation.

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Chapter 3 Installing the Router

Installing Modules, Interface Cards, and Power Supplies

Installing Modules, Interface Cards, and Power Supplies

Cisco routers are normally shipped with network modules, WAN interface cards (WICs), voice interface cards (VICs), advanced integration modules (AIMs), and power supplies already installed. If you need to remove or install any of these items, refer to the applicable documents online.

For network modules:

Quick Start Guide: Network Modules for Cisco 2600 Series, Cisco 3600 Series, and Cisco 3700 Series Routers

Cisco Network Modules Hardware Installation Guide

For WICs and VICs:

Quick Start Guide: Interface Cards for Cisco 1600, 1700, 2600, 3600, and 3700 Series

Cisco Interface Cards Hardware Installation Guide

For AIMs:

AIM Installation Quick Start Guide: Cisco 2600, 3600, and 3700 Series

Installing Advanced Integration Modules in Cisco 2600 Series, Cisco 3600 Series, and Cisco 3700 Series Routers

For internal power supplies:

Installing Power Supplies in Cisco 3600 Series Routers

Installing Power Supplies in Cisco 3631 Routers

Installing Universal DC Power Supplies in Cisco 3631 Routers

Installing Universal DC Power Supplies in Cisco 3660 Routers

For external power supplies:

Cisco RPS Hardware Installation Guide

Note If there are modules, interface cards, or power supplies to be removed or installed, Cisco suggests that you perform the installation or removal before you install the chassis. If a chassis cover needs to be removed, the chassis may have to be removed from the rack to permit cover removal.

Note The Cisco 3660 accommodates two AC or two DChot-swappablepower supplies (PS1 and PS2) in bays at the rear of the unit. Each unit provides up to 250 W of power, and a single installed power supply meets the router's requirements. The second installed power supply provides redundancy, load sharing, and increased system availability. It can be removed without affecting system operation.

If the required network modules, interface cards, and power supplies are already installed, proceed to the “Installing the Chassis” section on page 3-3.

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Chapter 3 Installing the Router

Installing the Chassis

Installing the Chassis

Depending on your router, you can set the chassis on a desktop, install it in a rack, or mount it on a wall or other flat surface. Select the procedure that best meets the needs of your network:

Setting the Chassis on a Desktop, page 3-3

Rack-Mounting the Chassis, page 3-3

Wall-Mounting the Cisco 3620 Router, page 3-18

Note The Cisco 3640, Cisco 3661 and the Cisco 3660 routers cannot bewall-mounted.

Setting the Chassis on a Desktop

You can place Cisco 3600 series routers on a desktop or shelf. For Cisco 3620 routers only, attach the rubber feet supplied in the accessory kit. The procedure is as follows:

Step 1 Place the routerupside-downon a smooth, flat surface.

Step 2 Peel the rubber feet off the black adhesive strip and place themadhesive-sidedown at each corner of the underside of the chassis.

Step 3 Place the routertop-sideup on a flat, smooth, secure surface.

The following warning applies to Cisco 3660 routers:

Warning To prevent personal injury or damage to the chassis, never attempt to lift or tilt the chassis using the handles on modules (such as power supplies, fans, or cards); these types of handles are not designed to support the weight of the unit.Statement 1032

Caution Do not place anything on top of the router that weighs more than 10 pounds (4.5 kg). Excessive weight on top could damage the chassis.

After the router has been installed, you must connect the chassis to a reliable earth ground. For the chassis ground connection procedures, see the “Installing Chassis Ground Connection” section on page 3-19.

Rack-Mountingthe Chassis

If you are planning to rack-mountthe router, do so before making network and power connections. If you need to install network modules or WAN and voice interface cards, you can do so either before or afterrack-mountingthe router. Ideally, you would install modules or WAN interface cards when you have the best access to the router’s rear panel.

Note You need a number 2 Phillips screwdriver to mount the chassis in a rack.

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Installing the Chassis

The router is shipped with one set of brackets and the screws to attach the brackets to the router chassis. Figure 3-1 throughFigure 3-5 show both sizes of brackets for the various routers.

Figure 3-1Cisco 3620Rack-MountBrackets

Use with 23-inchrack

Use with 24-inchrack

Bracket for 19-inchrack

Bracket for 23or 24-inchrack

H7270

Figure 3-2Cisco 3631Rack-MountBrackets for19-InchRack

LEFT

Slots for

RIGHT

 

 

 

cable tie

 

 

attachment

 

Narrow bracket for

 

Wide bracket for

chassis side opposite fans

chassis side with fans

72283

Figure 3-3Cisco 3631Rack-MountBrackets for23-InchRack

NEBS ETSI, 23" LEFT

For chassis side opposite fans

Slots for

NEBSETSI,

RIGHT

cable tie

 

 

attachment

 

 

 

23"

 

For chassis side with fans

82532

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Figure 3-4Cisco 3640Rack-MountBrackets

 

26325

Bracket for 19-inchrack

Bracket for 23or 24-inchrack

Figure 3-5Cisco 3660Rack-MountBrackets

17326

Bracket for 19-inchrack

Bracket for 23-inchrack

Attaching Brackets to the Router

You can rack-mounta Cisco 3600 series router with either the front or the rear of the chassis facing forward. See the following sections for bracket installation instructions for each chassis orientation:

Front-Panel-Forward Installation, page 3-6

Rear-Panel-Forward Installation, page 3-9

Center-Mount Installation, page 3-12

Note Use the screws supplied with the brackets for this installation.

Note If you are installing a Cisco 3620 or Cisco 3640 router in a19-inchrack with a17.5-inchopening, orient the brackets so that they will not need to slide between the chassis and the rack; the17.5-inchrack opening is not wide enough for the chassis plus the bracket thickness. (SeeFigure 3-6,Figure 3-7,Figure 3-12 andFigure 3-13.)

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Installing the Chassis

Note In this publication, references to Cisco 3660 routers include both Cisco 3661 and Cisco 3662 models.

Front-Panel-ForwardInstallation

Figure 3-6 throughFigure 3-11 show thefront-panel-forwardbracket attachment locations.

Note When installed in a19-inchrack with a17.5-inchopening, the Cisco 3620 and Cisco 3640 routers protrude beyond the front of the rack.

Figure 3-6Cisco 3620 or Cisco 3640 BracketAttachment—FrontPanel Forward(19-InchRack with a17.5-InchOpening or17.75-InchOpening)

26329

1 0

PCMCIA

Note: The second bracket attaches to the other side of the chassis.

Figure 3-7Cisco 3620 or Cisco 3640 BracketAttachment—FrontPanel Forward(19-InchRack with a17.75-InchOpening)

11005

PCMCIA

Note: The second bracket attaches to the other side of the chassis.

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Figure 3-8Cisco 3620 or Cisco 3640 BracketAttachment—FrontPanel Forward (23or24-InchRack)

MCIA

Note: The second bracket attaches to the other side of the chassis.

H6252

Figure 3-9Cisco 3631 BracketAttachment—FrontPanel Forward (19and23-InchRacks)

LEFT

NEBS ETSI, 23"

LEFT

Left bracket for 23-inchrack

Left (narrow) bracket for 19-inchrack

82535

SERIES

RIGHT

ETSI, NEBS

RIGHT

 

23"

 

Use two screws on each side.

Right bracket

for 23-inchrack

 

Right (wide) bracket for 19-inchrack

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Figure 3-10Cisco 3660 BracketAttachment—FrontPanel Forward(19-InchRack)

17327

Note: The second bracket attaches to the other side of the chassis.

Figure 3-11Cisco 3660 BracketAttachment—FrontPanel Forward(23-InchRack)

Note: The second bracket attaches to the other side of the chassis.

26322

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Installing the Chassis

Rear-Panel-ForwardInstallation

Figure 3-12 throughFigure 3-17 show therear-panel-forwardbracket attachment locations.

Figure 3-12Cisco 3620 or Cisco 3640 BracketAttachment—RearPanel Forward(19-InchRack with a17.5-InchOpening)

26323

WO

BRI

S/T

AUI

EN

Note: The second bracket attaches to the other side of the chassis.

Figure 3-13Cisco 3620 or Cisco 3640 BracketAttachment—RearPanel Forward(19-InchRack with a17.75-InchOpening)

15854

WO

BRI

S/T

AUI

EN

Note: The second bracket attaches to the other side of the chassis.

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Installing the Chassis

Figure 3-14Cisco 3620 or Cisco 3640 BracketAttachment—RearPanel Forward (23or24-InchRack)

15855

WO

BRI

S/T

AUI

EN

Note: The second bracket attaches to the other side of the chassis.

Figure 3-15Cisco 3631 BracketAttachment—RearPanel Forward (19or23-InchRack)

RIGHT

NEBS ETSI, 23"

Right bracket for 23-inchrack

RIGHT

AIC-64

CONN 1

CONN 2 ASYNCASYNC24-31

ASYNC 8-15

CONN 3

CONN 4

STAT

 

 

EN

ASYNC 16-23

ASYNC 0-7

EN

Right (wide) bracket for 19-inchrack

TD

RD

LP

AL

 

SEE

 

CD

 

 

 

 

MANUAL BEFORE

 

 

 

INSTALLATION

DSU 56K

SEE MANUAL BEFORE INSTALLATION

Four screws are required on each side.

LEFT

ETSI, NEBS

LEFT

 

23"

 

Left (narrow) bracket for 19-inchrack

Left bracket for 23-inchrack

82536

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Installing the Chassis

Figure 3-16Cisco 3660 BracketAttachment—RearPanel Forward(19-InchRack)

82808

Note: The second bracket attaches to the other side of the chassis.

Figure 3-17Cisco 3660 BracketAttachment—RearPanel Forward(23-InchRack)

82806

Note: The second bracket attaches to the other side of the chassis.

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Chapter 3 Installing the Router

Installing the Chassis

Center-MountInstallation

Figure 3-18 throughFigure 3-22 show how to install brackets for acenter-mountedrack installation.

Figure 3-18Cisco 3620Center-MountBracket Attachment

72337

ACT

LNK

ETHERNET 0

ACT

SERIAL

AUI

EN

0

Note: The second bracket attaches to the other side of the chassis.

Figure 3-19Cisco 3631Center-MountBracketAttachment—FrontPanel Forward (19or23-InchRack)

LEFT

NEBS ETSI, 23"

LEFT

SERIES

Left bracket for 23-inchrack

Left (narrow) bracket for 19-inchrack

82533

RIGHT

ETSI, NEBS

RIGHT

 

23"

 

Right (wide) bracket for 19-inchrack

Use two screws on each side.

Right bracket

 

for 23-inchrack

Figure 3-20Cisco 3631Center-MountBracketAttachment—RearPanel Forward (19or23-InchRack)

RIGHT

NEBS ETSI, 23"

Right bracket for 23-inchrack

AIC-64

 

RIGHT

CONN 1

 

 

CONN 2

ASYNC

 

ASYNC 24-31

ASYNC 8-15

CONN 3

CONN 4

STAT

 

 

EN

ASYNC 16-23

ASYNC 0-7

EN

Right (wide) bracket for 19-inchrack

82534

TD

RD

LP

AL

 

CD

 

 

 

 

 

SEE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MANUAL BEFORE

INSTALLATION

DSU

 

LEFT

 

 

 

 

 

 

56K

 

 

 

 

 

 

 

 

 

SEE

 

 

 

 

 

 

 

 

MANUAL BEFORE

 

 

 

 

 

 

 

 

INSTALLATION

 

 

 

 

 

 

 

 

 

ETSI, NEBS

LEFT

 

 

 

 

 

 

 

 

23"

 

 

Left (narrow) bracket

 

Use two screws on each side.

for 19-inchrack

 

Left bracket

 

 

for 23-inchrack

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Installing the Chassis

Figure 3-21Cisco 3640Center-MountBracket Attachment (Requires Optional NEBS/ETSI Kit)

PCMCIA

Note: The second bracket attaches to the other side of the chassis.

Figure 3-22Cisco 3660Center-MountBracket Attachment

10970

Note: The second bracket attaches to the other side of the chassis. The brackets can also be installed with the front panel forward.

22657

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Chapter 3 Installing the Router

Installing the Chassis

Mounting the Router in the Rack

After you attach the brackets to the router, slide the router into the rack in the position shown in one of the following illustrations. Using your own screws, fasten the chassis to the rack.

Warning To prevent bodily injury when mounting or servicing this unit in a rack, you must take special precautions to ensure that the system remains stable. The following guidelines are provided to ensure your safety:

This unit should be mounted at the bottom of the rack if it is the only unit in the rack.

When mounting this unit in a partially filled rack, load the rack from the bottom to the top with the heaviest component at the bottom of the rack.

If the rack is provided with stabilizing devices, install the stabilizers before mounting or servicing the unit in the rack. Statement 1006

Warning To prevent personal injury or damage to the chassis, never attempt to lift or tilt the chassis using the handles on modules (such as power supplies, fans, or cards); these types of handles are not designed to support the weight of the unit.Statement 1032

Figure 3-23 throughFigure 3-25 show the Cisco 3640 router in a standard19-,23-,or24-inchrack. The procedure is the same for the Cisco 3620 router.

Figure 3-26 throughFigure 3-29 show the Cisco 3631 and Cisco 3660 router in a standard 19or23-inchrack.

Figure 3-23Mounting the Cisco 3620 or Cisco 3640 Router(19-InchRack with a17.5-InchOpening)

26328

19-inchrack

Note: The second bracket attaches to the rack at the other side of the chassis.

The brackets can also be installed with the front panel forward.

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Chapter 3 Installing the Router

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Figure 3-24Mounting the Cisco 3620 or Cisco 3640 Router(19-InchRack with a17.75-InchOpening)

15856

19-inchrack

Note: The second bracket attaches to the rack at the other side of the chassis.

The brackets can also be installed with the front panel forward.

Figure 3-25Mounting the Cisco 3620 or Cisco 3640 Router (23or24-InchRack)

15857

23-inchrack24-inchrack

Note: The second bracket attaches to the rack at the other side of the chassis. The brackets can also be installed with the front panel forward.

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Installing the Chassis

Figure 3-26Mounting the Cisco 3631 Router(19-InchRack)

RIGHT

62548

Note: The brackets can also be installed with the rear panel forward.

Figure 3-27Mounting the Cisco 3631 Router (23Inch Rack)

62547

SERIES

RIGHT

Note: The brackets can also be installed with the rear panel forward.

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Installing the Chassis

Figure 3-28Mounting the Cisco 3660 Router(19-InchRack)

17333

Note: The second bracket attaches to the rack at the other side of the chassis. The brackets can also be installed with the front panel forward.

Figure 3-29Mounting the Cisco 3660 Router(23-InchRack)

17334

Note: The second bracket attaches to the rack at the other side of the chassis. The brackets can also be installed with the front panel forward.

After the router has been installed, you must connect the chassis to a reliable earth ground. For the chassis ground connection procedures, see the “Installing Chassis Ground Connection” section on page 3-19.

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Chapter 3 Installing the Router

Installing the Chassis

Wall-Mountingthe Cisco 3620 Router

This section explains how to mount the Cisco 3620 router on a wall.

Tip When choosing awall-mountinglocation, consider cable limitations and wall structure.

The router is shipped with 19-inchrack-mountbrackets, which can also be used forwall-mounting.If you ordered the 23or24-inchbrackets, either pair could be used towall-mountyour router. The rubber feet are required to provide spacing between the wall and the router for ventilation and proper cooling.

Attaching Rubber Feet to the Router

Attach the rubber feet supplied in the accessory kit. Peel the rubber feet off the black adhesive strip and attach one rubber foot at each corner of the underside of the chassis.

Attaching Wall-MountBrackets to the Router

To install the Cisco 3620 router on a wall, first attach the brackets on each side of the chassis as shown in Figure 3-30,using plastic washers and slottedhex-headscrews. Position the washers so that the narrow shoulder faces the router chassis.

Note Thehex-headscrews and plastic washers are used only forwall-mountingthe router. Forrack-mounting,the brackets are attached usingPhillips-headscrews, without washers.

Figure 3-30AttachingWall-MountBrackets to the Cisco 3620 Router

H7612

1 0

PCMCIA

Note: The second bracket attaches to the other side of the chassis.

Mounting the Router on the Wall

After fastening the brackets to the chassis, mount the chassis on the wall:

Orient the front and rear of the chassis vertically.

Position the end nearest the power cable at the top.

Align the screws (not included) with a wall stud, or use wall anchors.

After the router is installed, you must connect the chassis to a reliable earth ground. For the chassis ground connection procedures, see the “Installing Chassis Ground Connection” section on page 3-19.

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Chapter 3 Installing the Router

Installing Chassis Ground Connection

Installing Chassis Ground Connection

All Cisco 3600 series router chassis require a reliable earth ground connection. You must connect the chassis to a reliable earth ground; the ground wire must be installed in accordance with local electrical safety standards.

For NEBS-compliantgrounding, use size AWG 6 (13 mm2) wire and the ground lug provided in the accessory kit.

For NEC-compliantgrounding, use size AWG 14 (2 mm2) or larger wire and an appropriateuser-suppliedring terminal.

For EN/IEC 60950-compliantgrounding, use size AWG 18 (1 mm2) or larger wire and an appropriateuser-suppliedring terminal.

For chassis grounding instruction, see one of the following sections:

Cisco 3620 and Cisco 3640 Chassis Ground Connection, page 3-19

Cisco 3631 Chassis Ground Connection, page 3-24

Cisco 3660 Chassis Ground Connection, page 3-25

Cisco 3620 and Cisco 3640 Chassis Ground Connection

To connect a Cisco 3620 or Cisco 3640 chassis to ground, perform this procedure:

Step 1 Attach theground-lugbracket to the power supply as shown inFigure 3-31 orFigure 3-32.Use a number 2 Phillips screwdriver and the screw or screws that are already in the router chassis.

For Cisco 3620 routers, use the power-supplyretaining screw at the bottom of the power supply.

For Cisco 3640 routers, use the two power-supplyretaining screws: one at the lower left and one at the upper right.

DC power supply is shown. The bracket attachment for the AC power supply and the Cisco Redundant Power System (RPS) is similar.

Figure 3-31RequiredGround-LugBracket Attachment on a Cisco 3620 Router (DC Power Supply Shown)

15849

Power supply

Bracket

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Installing Chassis Ground Connection

Figure 3-32RequiredGround-LugBracket Attachment on a Cisco 3640 Router (DC Power Supply Shown)

Mounting

screws

Power supply

Bracket

15846

Step 2 Strip one end of the ground wire to the length required for the ground lug or terminal.

For the NEBS ground lug—approximately0.75 in. (20 mm)

For user-providedringterminal—asrequired

Step 3 Crimp the ground wire to the ground lug or ring terminal, using a crimp tool of the appropriate size.

Step 4 Attach the ground lug to theground-lugbracket as shown inFigure 3-33,Figure 3-34,orFigure 3-35,or attach the ring terminal to theground-lugbracket as shown inFigure 3-36,Figure 3-37,or

Figure 3-38.For the ground lug, use the two screws with captive locking washers provided. For a ring terminal, use one of the screws provided. Use a number 2 Phillips screwdriver, and tighten the screws to a torque of 8 to 10in-lb(0.9 to 1.1N-m).

Where a DC power supply is shown, AC power supply attachment is similar.

Diagonal attachment of the ground lug to the bracket provides clearance for the RPS power cable.

Step 5 Connect the other end of the ground wire to a suitable grounding point at your site.

Figure 3-33NEBS-CompliantGround Lug Attachment on a Cisco 3620 Router with Internal AC or DC Power Supply

15850

Power supply

Bracket

Ground lug mounted on a Cisco 3620 router without Cisco RPS

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Chapter 3 Installing the Router

Installing Chassis Ground Connection

Figure 3-34NEBS-CompliantGround Lug Attachment on a Cisco 3620 Router with Redundant Power Supply (Cisco RPS)

DC INPUT FOR USE

+5V–

WITH CISCO RPS

–14A,+12V– –

 

–5A,-12V––3A

 

 

 

Power

 

 

 

supply

Ground lug

 

Bracket

mounted on a

 

 

Cisco 3620 router

 

 

with Cisco RPS

 

 

15851

Figure 3-35

Power supply

OL-2056-05

NEBS-CompliantGround Lug Attachment on a Cisco 3640 Router

Ground lug

15847

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Chapter 3 Installing the Router

Installing Chassis Ground Connection

Figure 3-36Ground Lug Attachment Using Ring Terminal on a Cisco 3620 Router with Internal AC or DC Power Supply

Ring terminal attached to a bracket

103009

Power supply

Bracket

Figure 3-37Ground Lug Attachment Using Ring Terminal on a Cisco 3620 Router with Redundant Power Supply (Cisco RPS)

DC INPUT FOR USE WITH CISCO RPS +5V– – –14A,+12V– ––5A,-12V––3A

Bracket

Ring terminal attached

to a bracket

Power supply

103010

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Chapter 3 Installing the Router

Installing Chassis Ground Connection

Figure 3-38Ground Lug Attachment Using Ring Terminal on a Cisco 3640 Router

Power supply

Ring terminal

103011

After the router has been installed and properly grounded, you can connect the power wiring; the WAN, LAN, and voice cables; and the cables for administrative access, as required for your installation. For cable connection procedures, see the “Power Connections” section on page 3-27,the“Connecting WAN, LAN, and Voice Cables” section on page 3-37,and the“Connecting to a Console Terminal or Modem” section on page 3-43.

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Chapter 3 Installing the Router

Installing Chassis Ground Connection

Cisco 3631 Chassis Ground Connection

To connect a Cisco 3631 chassis to ground, perform this procedure:

Step 1 Strip one end of the ground wire to the length required for the ground lug or terminal.

For the NEBS ground lug—approximately0.75 in. (20 mm)

For user-providedringterminal—asrequired

Step 2 Crimp the ground wire to the ground lug or ring terminal, using a crimp tool of the appropriate size.

Step 3 Attach the ground lug or ring terminal to the chassis as shown inFigure 3-39 orFigure 3-40.For the ground lug, use the two screws with captive locking washers provided. For a ring terminal, use one of the screws provided. Use a number 2 Phillips screwdriver, and tighten the screws to a torque of 8 to 10in-lb(0.9 to 1.1N-m).

Step 4 Connect the other end of the ground wire to a suitable grounding point at your site.

Figure 3-39NEBS-CompliantGround Lug Attachment on a Cisco 3631 Router

AIC-64

 

 

 

 

CONN 1

 

 

 

CONN 3

 

 

 

CONN 2

 

 

ASYNC

CONN 4

STAT

 

 

ASYNC 24-31

EN

 

 

 

 

ASYNC 16-23

 

 

 

ASYNC 8-15

 

 

 

ASYNC 0-7

 

 

 

 

 

EN

TD

RD

LP

AL

 

SEE

 

CD

 

 

 

 

MANUAL BEFORE

 

 

 

INSTALLATION

DSU 56K

SEE MANUAL BEFORE INSTALLATION

62493

Ground lug attachment

Figure 3-40Chassis Ground Connection Using Ring Terminal on a Cisco 3631 Router

AIC-64

CONN 1

CONN 2 ASYNC ASYNC24-31

ASYNC 8-15

CONN 3

 

 

CONN 4

STAT

 

 

EN

ASYNC 16-23

 

 

ASYNC 0-7

TD RD LP AL

 

CD

 

SEE

 

 

 

 

EN

MANUAL BEFORE

INSTALLATION

DSU

 

56K

 

 

 

SEE

 

 

 

MANUAL BEFORE

 

 

 

INSTALLATION

 

Ring terminal

 

 

attachment

103012

After the router has been installed and properly grounded, you can connect the power wiring; the WAN, LAN, and voice cables; and the cables for administrative access, as required for your installation. For cable connection procedures, see the “Power Connections” section on page 3-27,the“Connecting WAN, LAN, and Voice Cables” section on page 3-37,and the“Connecting to a Console Terminal or Modem” section on page 3-43.

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Chapter 3 Installing the Router

Installing Chassis Ground Connection

Cisco 3660 Chassis Ground Connection

To connect a Cisco 3660 chassis to ground, perform this procedure:

Step 1 Strip one end of the ground wire to the length required for the ground lug or terminal.

For the NEBS ground lug—approximately0.75 in. (20 mm)

For user-providedringterminal—asrequired

Step 2 Crimp the ground wire to the ground lug or ring terminal, using a crimp tool of the appropriate size.

Step 3 Attach the ground lug or ring terminal to the chassis as shown inFigure 3-41 orFigure 3-42.For the ground lug, use the two screws with captive locking washers provided. For a ring terminal, use one of the screws provided. Use a number 2 Phillips screwdriver, and tighten the screws to a torque of 8 to 10in-lb(0.9 to 1.1N-m).

Step 4 Connect the other end of the ground wire to a suitable grounding point at your site.

Figure 3-41NEBS-CompliantGround Lug Attachment on a Cisco 3660 Router

VCC OK

 

 

 

 

 

 

 

 

 

SYSTEM

 

FDX

 

 

 

 

 

 

 

 

 

LINK

 

 

 

 

FDX

 

 

 

100Mbps

 

 

 

 

LINK

 

 

 

 

 

 

 

 

100Mbps

 

V1

 

 

VIC

USEIN

 

 

 

USEIN

 

 

 

 

FXS

 

 

 

 

 

 

 

 

 

 

1

 

 

 

 

 

 

 

 

 

SEE MANUAL BEFORE

INSTALLATION

0

V0

 

 

 

 

 

 

 

 

 

EN

 

SERIAL 3

SERIAL 2

 

SERIAL 1

 

 

 

 

 

 

 

 

 

 

SERIAL 0

 

 

 

 

 

 

CN/LP RXC

RXD TXC TXD

CN/LP RXC RXD TXC TXD

 

 

 

 

 

 

EN

 

 

 

CN/LP RXC RXD TXC TXD

CN/LP RXC

RXD TXC

TXD

 

 

 

 

 

1 0

LB/CN

 

 

 

H

RC

RD

TC

TD

ETH 3

ETH 2

ETH 1

 

 

ETH 0

 

 

3

2

1

 

 

0

 

 

 

 

 

LINK

 

 

 

 

 

ACT

22659

Ground lug

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Chapter 3 Installing the Router

Installing Chassis Ground Connection

Figure 3-42Chassis Ground Connection Using Ring Terminal on a Cisco 3660 Router

VCC OK

 

 

 

 

 

 

 

 

 

SYSTEM

 

FDX

 

 

 

 

 

 

 

 

 

 

 

 

 

FDX

 

 

 

LINK

 

 

 

 

 

 

 

100Mbps

 

 

 

 

LINK

 

 

 

 

 

 

 

 

100Mbps

 

V1

 

 

VIC

USEIN

 

 

 

USEIN

 

 

 

 

FXS

 

 

 

 

 

 

 

 

 

 

1

 

 

 

 

 

 

 

 

 

SEE MANUAL BEFORE

INSTALLATION

0

V0

 

 

 

 

 

 

 

 

 

EN

 

SERIAL 3

SERIAL 2

 

SERIAL 1

 

 

 

 

 

 

 

 

 

 

 

SERIAL 0

 

 

 

 

 

 

 

CN/LP RXC

RXD TXC TXD

CN/LP RXC RXD TXC TXD

 

 

 

 

 

 

EN

 

 

CN/LP RXC RXD TXC TXD

 

 

 

 

 

 

 

 

 

CN/LP RXC

RXD TXC

TXD

1 0

H

LB/CN

RC

RD

TC

TD

ETH 3

ETH 2

ETH 1

 

 

ETH 0

 

 

3

2

1

 

 

0

 

 

 

 

 

LINK

 

 

 

 

 

ACT

103013

Ring terminal

After the router has been installed and properly grounded, you can connect the power wiring; the WAN, LAN, and voice cables; and the cables for administrative access, as required for your installation. For cable connection procedures, see the “Power Connections” section on page 3-27,the“Connecting WAN, LAN, and Voice Cables” section on page 3-37,and the“Connecting to a Console Terminal or Modem” section on page 3-43.

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Chapter 3 Installing the Router

Power Connections

Power Connections

This section explains how to connect AC or DC power to Cisco 3600 series routers. It covers the following topics:

Connecting Routers to AC Power, page 3-27

Connecting Routers to a DC-Input Power Supply, page 3-27

Connecting Routers to the Cisco Redundant Power System, page 3-36

Connecting Routers to AC Power

If your router uses AC power, connect it to a 15 A, 120 VAC (10 A, 240 VAC) circuit with overcurrent protection.

Note The input voltage tolerance limits for AC power are 85 and 264 VAC.

Warning AC connected units must have a permanent ground connection in addition to the power cable ground wire.NEBS-compliantgrounding satisfies this requirement.Statement 284

Warning This product relies on the building’s installation forshort-circuit(overcurrent) protection. Ensure that the protective device is rated not greater than:

15A, 120VAC (10A, 240VAC). Statement 1005

Connecting Routers to a DC-InputPower Supply

Warning Before performing any of the following procedures, ensure that power is removed from the DC circuit.

Statement 1003

Warning This product relies on the building’s installation forshort-circuit(overcurrent) protection. Ensure that the protective device is rated not greater than:

15A, 60VDC. Statement 1005

Warning Use copper conductors only.Statement 1025

Note The installation must comply with the 1996 National Electric Code (NEC) and other applicable codes.

If your router has a DC-inputpower supply, follow the directions in this section for proper wiring. A router with aDC-inputpower supply has a terminal block for the DC power connections.

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Chapter 3 Installing the Router

Power Connections

Depending on the type of router you are installing, see one of the following procedures:

Wiring the DC-Input Power Supply in Cisco 3620 and Cisco 3640 Routers, page 3-28

Wiring the DC-Input Power Supply in Cisco 3631 Routers, page 3-30

Wiring the DC-Input Power Supply in Cisco 3660 Routers, page 3-32

Wiring the DC-InputPower Supply in Cisco 3620 and Cisco 3640 Routers

If your router has a DC-inputpower supply, follow the directions in this section for proper wiring.

DC Wiring Requirements

Cisco 3620 and Cisco 3640 routers with a DC-inputpower supply require copper wire for the power connections.

For Cisco 3640 routers, DC power connections require crimp-typering terminals or spade terminals with upturned lugs.

Table 3-1DC Wiring Requirements for Cisco 3620 and Cisco 3640 Routers

DC Power Source

DC Input

DC Input Wire Size

Safety Ground Wire Size

Overcurrent Protection

 

 

 

 

 

Nominal 48 VDC

–48to–60VDC1, 4 A

AWG 14 (2.0 mm2)

AWG 14 (2.0 mm2)

15 A, maximum

1. The input voltage tolerance limits for nominal 48-Vpower supplies are 38 and 72 VDC.

Wiring Procedure for Nominal 48 VDC Input

To connect the router to a DC power source, perform this procedure.

Step 1 Remove power from the DC circuit. To ensure that power is removed from the DC circuit, locate the circuit breaker for the DC circuit, switch the circuit breaker to the OFF position, and tape thecircuit-breakerswitch in the OFF position.

Tip Secure all power cabling when installing this unit to avoid disturbingfield-wiringconnections.

Step 2 For Cisco 3620 routers, strip the wires to the appropriate length for the terminal block on the power supply.

For Cisco 3640 routers, crimp appropriate ring terminals or spade terminals to the DC power input wires. Strip the wires to the appropriate length for the terminals used. The following warning applies to Cisco 3640 routers:

Warning When stranded wiring is required, use approved wiring terminations, such asclosed-looporspade-typeterminals with upturned lugs. These terminations should be the appropriate size for the wires and should clamp both the insulation and conductor.Statement 1002

Step 3 Connect the DC power input wires to the terminal block as shown inFigure 3-43 orFigure 3-44.

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Chapter 3 Installing the Router

Power Connections

Warning The illustration shows the DC power supply terminal block. Wire the DC power supply as illustrated. The proper wiring sequence is ground to ground, positive to positive, and negative to negative. The ground wire should always be connected first and disconnected last.Statement 239

Caution The terminal arrangement on your router may not be identical to the arrangement shown inFigure 3-43 orFigure 3-44.You must connect the positive, negative, and ground wires according to the labels on the terminals.

Caution Do not overtorque the terminal block captive thumbscrew or terminal block contact screws. The recommended torque is 8.2 ± 0.4in-lb(0.9 ± 0.05N-m).

Figure 3-43DC Power Connections for Cisco 3620 Routers (Typical)

+-

H7477

Terminal

block

 

 

 

 

 

 

 

On/off

Positive

Negative

switch

Ground

Figure 3-44DC Power Connections for Cisco 3640 Routers (Typical)

Negative

Terminal block

Ground

Positive

On/off switch

Terminal block

72331

Step 4 Secure the wires using cable ties.

Step 5 Turn on power to the DC circuit.

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Wiring the DC-InputPower Supply in Cisco 3631 Routers

If your router has a DC-inputpower supply, follow the directions in this section for proper wiring.

DC Wiring Requirements

A Cisco 3631 router with a DC-inputpower supply requires copper wire andcrimp-typeterminals for the power connections.Table 3-2 summarizes the wiring requirements.

You can connect a single DC power source to either the A input or the B input. If there are dual power sources, connect one source to the A input and one source to the B input; both sources must be the same polarity and voltage.

Table 3-2DC Wiring Requirements for Cisco 3631 Routers

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DC Input

Safety Ground

 

Overcurrent

Installed Power Supply

DC Input

Wire Size

Wire Size

Wire Terminal (Lug)

Protection

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Nominal 24/48 VDC1

24 - 36 V, 8 A,

AWG 14

AWG 14

AMP part number 324159-0,

15 A

Identified by a printed

positive or negative,

(2.0 mm2)

(2.0 mm2)

or equivalent

maximum

single or dual sources

 

 

 

 

label near the DC wire

 

 

 

 

 

 

 

 

 

terminals:

 

 

 

 

 

 

 

 

 

 

 

36 - 60 V, 4 A,

AWG 18

AWG 14

Source DC: Molex part

15 A

 

 

 

 

 

 

 

 

 

 

 

 

 

positive or negative,

(1.0 mm2)

(2.0 mm2))

number 19193-0009,or

maximum

INPUT +/-

single or dual sources

 

 

equivalent

 

 

 

 

 

 

24-36V

 

 

 

 

 

 

 

 

 

 

8 A

 

 

 

Ground: AMP part number

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

36-60V

 

 

 

 

 

 

 

 

 

 

4 A

 

 

 

324159-0,or equivalent

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Nominal 48 VDC2

48 - 60 V, 4 A,

AWG 18

AWG 14

Source DC: Molex part

15 A

Identification stamped

positive or negative,

(1.0 mm2)

(2.0 mm2)

number 19193-0009,or

maximum

single or dual sources

 

 

equivalent

 

near the DC wire

 

 

 

 

 

 

 

 

terminals:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Ground: AMP part number

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

34119, or equivalent

 

INPUT -48TO

 

 

 

 

 

-60V

 

 

 

 

 

 

 

 

 

 

4 A

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1.The input voltage tolerance limits for nominal 24/48-Vpower supplies are 18 and 72 VDC.

2.The input voltage tolerance limits for nominal 48-Vpower supplies are 38 and 72 VDC.

Wiring Procedure for DC Input

To connect the router to a DC power source, perform the following steps:

Step 1 Remove power from the DC circuit. To ensure that power is removed from the DC circuit, locate the circuit breaker for the DC circuit, switch the circuit breaker to the OFF position, and tape thecircuit-breakerswitch in the OFF position.

Tip Secure all power cabling when installing this unit to avoid disturbingfield-wiringconnections.

Step 2 Strip the wires to the appropriate length for the terminals. The strip length is 1/8 to 3/16 inch (3 to 5 mm) for Molex number19193-0009and for AMP number324159-0terminals.

Step 3 Crimp the terminals to the DC power input wires.

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Warning When stranded wiring is required, use approved wiring terminations, such asclosed-looporspade-typewith upturned lugs. These terminations should be the appropriate size for the wires and should clamp both the insulation and conductor.Statement 1002

Step 4 Remove the plastic covers from the terminal block. Save them for reinstallation after you finish wiring.

Note Do not remove the colored screw at either end of the terminal block. Those are the terminal mounting screws.

Step 5 Connect the DC power input wires to the terminal block as shown inFigure 3-45 orFigure 3-46.To avoid interference with the on/off switches, and to bring the wires close to thecable-tieattachment point, organize the wires downward from the terminal block.

Warning The illustration shows the DC power supply terminal block. Wire the DC power supply as illustrated. The proper wiring sequence is ground to ground, positive to positive, and negative to negative. The ground wire should always be connected first and disconnected last.Statement 239

Caution Do not overtorque the terminal block contact screws. Recommended torque is 8.0 ± 0.5in-lb(0.93 ± 0.05N-m).

Figure 3-45DC Power Connections for–DCInput to Cisco 3631 Routers

 

 

 

Safety ground

Return, input A

 

 

 

 

 

 

Return, input B

 

 

 

 

 

-DC,input A

 

 

 

 

 

 

-DC,input B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A +

 

 

 

 

 

 

 

+ B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Terminal strip

88135

Figure 3-46DC Power Connections for +DC Input to Cisco 3631 Routers

 

 

 

Safety ground

+DC, input A

 

 

 

 

 

 

+DC, input B

 

 

 

 

 

Return, input A

 

 

 

 

 

 

Return, input B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A +

 

 

 

 

 

 

 

+ B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Terminal strip

88136

Step 6 Install the plastic covers over the terminal block. (SeeFigure 3-47.)

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Warning The safety cover is an integral part of the product. Do not operate the unit without the safety cover installed. Operating the unit without the cover in place will invalidate the safety approvals and pose a risk of fire and electrical hazards.Statement 117

Step 7 Secure the wires using cable ties as shown inFigure 3-47.The chassis has acable-tieattachment below and to the right of the terminal block.

Step 8 Turn on power to the DC circuit.

Figure 3-47Wire Routing and Attachment for Cisco 3631 Routers

Cable tie

A

+

+

B

From DC power source

Plastic covers

Wiring the DC-InputPower Supply in Cisco 3660 Routers

If your router has a DC-inputpower supply, follow the directions in this section for proper wiring.

DC Wiring Requirements

A Cisco 3660 router with a DC-inputpower supply requires copper wire for the power connections.Table 3-3 summarizes the wiring requirements.

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Table 3-3DC Wiring Requirements for Cisco 3660 Routers

 

 

 

 

 

 

 

 

 

 

Wire Termination

Safety Ground

Overcurrent

Installed Power Supply

 

 

 

 

 

 

DC Input

Wire Size

Method

Wire Size

Protection

 

 

 

 

 

 

 

 

 

 

 

 

Nominal 24/48 VDC1

 

 

 

 

 

 

24 - 36 V, 16 A

AWG 12

Terminal block;

AWG 12

20 A

Identified by a terminal block and the

(3.0 mm2)

wires retained by

(3.0 mm2)

maximum

 

retention screws

 

 

following printed label:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

36 - 60 V, 7 A

AWG 14

Terminal block;

AWG 12 or 14

15 A

 

 

 

 

 

 

 

 

 

(2.0 mm2),

wires retained by

(3.0 or 2.0 mm2)

maximum

INPUT +/-

24-36V

 

 

 

 

 

16A

minimum

retention screws

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

36-60V

 

 

 

 

 

7A

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Nominal 48 VDC2

 

 

 

 

 

 

48 - 60 V, 8 A

AWG 14

Plug connector;

AWG 12 or 14

15 A

Identified by a plug connector and the

(2.0 mm2),

wires retained by

(3.0 or 2.0 mm2)

maximum

minimum

spring-loaded

 

 

following printed label:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

receptacle

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AC PS 100-240V~,4-2A,50/60 Hz

DC PS -48Vto-60V, 8A

1.The input voltage tolerance limits for nominal 24/48-Vpower supplies are 18 and 72 VDC.

2.The input voltage tolerance limits for nominal 48-Vpower supplies are 38 and 72 VDC.

Wiring Procedure for DC Input

To connect the router to a DC power source, perform the following steps:

Step 1 Remove power from the DC circuit. To ensure that power is removed from the DC circuit, locate the circuit breaker for the DC circuit, switch the circuit breaker to the OFF position, and tape thecircuit-breakerswitch in the OFF position.

Tip Secure all power cabling when installing this unit to avoid disturbingfield-wiringconnections.

Step 2 Cut the wires to length. Allow enough length for attachment to the bracket and for a service loop. (SeeFigure 3-47.)

Step 3 Strip the insulation to expose approximately 0.4 inch (10 mm) of conductor.

Step 4 If the power supply in your router has screw terminals, first connect the safety ground wire to the safety ground terminal of the DC terminal block, and then connect the power wires to the appropriate terminals of the DC terminal block. (SeeFigure 3-48 orFigure 3-49.)Tighten the terminal screw to a torque of 8.0

± 0.5 in-lb(0.93 ± 0.05N-m).

Warning The illustration shows the DC power supply terminal block. Wire the DC power supply as illustrated. The proper wiring sequence is ground to ground, positive to positive, and negative to negative. The ground wire should always be connected first and disconnected last.Statement 239

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Figure 3-48Terminal Block Connections for–DCInput Power to Cisco 3660 Routers

 

 

0 V (return)

-48V

 

Safety ground

 

 

 

+

82493

 

 

Figure 3-49Terminal Block Connections for +DC Input Power to Cisco 3660 Routers

0 V (return)

+

+48 V

Safety ground

72838

If the power supply in your router has a plug connector, press the corresponding orange-coloredrelease, and insert the positive, negative, and ground wires into the corresponding receptacles of the plug connector. (SeeFigure 3-50.)Then plug the wired plug connector into the receptacle on the power supply at the rear of the router. (SeeFigure 3-51.)

Note To remove wires from a plug connector, press theorange-coloredrelease next to each receptacle.

Figure 3-50DC Power Connections for Plug Connector to Cisco 3660 Routers

18699

Negative

Ground

Positive

Step 5 Secure the wires to the wire management bracket (recommended method) or to the equipment rack (optional method). The wire management bracket has holes for attaching cable ties. Make sure that the service loop does not extend above or below the power supply. (SeeFigure 3-51 orFigure 3-52.)

Caution Power wires must exit to the right, and the service loop must not extend above or below the power supply.

Note The power wires may pass in front of the power supply cooling vents. The wires do not restrict ventilation.

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Figure 3-51DCWiring—PowerSupply with Plug Connector in Cisco 3660 Routers

Wire management bracket

50/60 Hz

, 8A

100-240V~,4-2A,

-48Vto-60V

AC PS

DC PS

 

DC terminal

 

block

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Figure 3-52DCWiring—PowerSupply with Terminal Block in Cisco 3660 Routers

Wire management bracket

16A

7A

24-36V

36-60V

+/-

INPUT

 

DC terminal

 

block

 

+

 

82770

Negative

Safety ground

 

Positive

Step 6 If your router has two power supplies installed, repeat Step1 through Step5 for the second power supply.

Step 7 Turn on power to the DC circuit.

Connecting Routers to the Cisco Redundant Power System

If your router uses the Cisco Redundant Power System (RPS), refer to the Cisco RPS Hardware Installation Guide for instructions about the power connections. You can access this document at the location described in the“Obtaining Documentation” section on page xvii.

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Connecting WAN, LAN, and Voice Cables

Connecting WAN, LAN, and Voice Cables

This chapter describes how to connect the WAN, LAN, and voice interface cables. It includes the following sections:

“Ports and Cabling” section on page 3-37

“Connections for Cisco 3620, Cisco 3640, and Cisco 3631 Routers” section on page 3-39

“Connections for Cisco 3660 Routers” section on page 3-39

Note One or two Ethernet cables are typically provided with the router. Additional cables and transceivers can be ordered from Cisco. For ordering information, refer to theCisco Product Catalog at http://www.cisco.com/en/US/products/products_catalog_links_launch.html. For cable pinouts, refer to theCisco Modular Access Router Cable Specifications document available online and on the DocumentationCD-ROM.

Warning Do not work on the system, or connect or disconnect cables during periods of lightning activity.

Statement 1001

Ports and Cabling

Table 3-4 summarizes some typical WAN, LAN, and voice connections for Cisco 3600 series routers. The connections summarized here are also described in detail in the following documents:

Cisco Modular Access Router Cable Specifications

Cisco Network Modules Hardware Installation Guide

Cisco Interface Cards Hardware Installation Guide

You can access these documents at the location described in the “Obtaining Documentation” section on page xvii.

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Connecting WAN, LAN, and Voice Cables

Table 3-4WAN, LAN, and Voice Connections

Port or Connection

Port type, color

Connected to:

Cable

 

 

 

 

Ethernet

RJ-45,yellow

Ethernet hub

Straight-throughEthernet

 

 

 

 

T1/E1 WAN

RJ-48C/CA81A,

Network demarcation (telco

RJ-48T1

 

blue

demarc or equivalent)

 

 

 

 

 

Cisco serial

60-pinD-sub

CSU/DSU and serial network or

Cisco serial transition cable that matches

 

 

equipment

the signaling protocol (EIA/TIA-232,

 

 

 

EIA/TIA-449,V.35, X.21, or

Cisco Smart serial

Cisco Smart

CSU/DSU and serial network or

EIA/TIA-530)and the serial port

 

compact connector,

equipment

 

operating mode (DTE or DCE).

 

blue

For WIC-2TandWIC-2A/Sonly

 

 

 

 

Refer to the Cisco Modular Access Router

 

 

 

 

 

 

Cable Specifications document for

 

 

 

information about selecting these cables.

 

 

 

 

DSL

RJ-11C/CA111A,

Network demarcation device for

RJ-11

 

lavender

service provider’s DSL interface

 

 

 

 

 

T1 Digital voice

RJ-48C/CA81A,

Digital PBX

RJ-48T1 cable

 

tan

 

 

 

 

 

 

Analog voice FXS

RJ-11,gray

Telephone, fax

RJ-11

 

 

 

 

Analog voice FXO

RJ-11,pink

Central office, analog PBX

RJ-11

 

 

 

 

Analog voice E&M

RJ-11,brown

Analog PBX

RJ-11

 

 

 

 

BRI S/T WAN

RJ-48C/CA81A,

NT1 device or private integrated

RJ-48

(external NT1)

orange

network exchange (PINX)

 

 

 

 

 

BRI U WAN

RJ-49C/CA-A11,

ISDN network

RJ-49

(built-inNT1)

red

 

 

 

 

 

 

BRI S/T LL

RJ-48C/CA81A,

NT1 device

RJ-48

(external NT1)

orange

 

 

 

 

 

 

CT1/PRI

T1

External T1 CSU

DB-15T1 serial cable

 

 

 

 

CT1/PRI-CSU

T1

RJ-48C/CA81Ainterface

RJ-48straight-through

 

 

 

 

CTE/PRI

E1

E1 network

DB-15to BNC,DB-15toDB-15,DB-15

 

 

 

to twinax, or DB-15toRJ-45

 

 

 

 

Token Ring

UTP, purple

Token Ring device

RJ-45Token Ring cable

 

STP, purple

 

 

 

 

 

 

56/64-kbpsDSU/CSU

8-pinmodular, blue

RJ-48Sinterface

RJ-48straight-through

 

 

 

 

Alarm interface

50-pinSCSI

External alarm inputs

Serial transition cable

controller

connectors

Alarm control relays

 

 

 

 

 

 

 

 

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Connections for Cisco 3620, Cisco 3640, and Cisco 3631 Routers

Connect each WAN, LAN, and voice cable to the appropriate connector on the chassis or on a network module or interface card.

Position the cables carefully, so that they do not put strain on the connectors.

Organize cables in bundles such that cables do not intertwine.

Inspect the cables to make sure that the routing and bend radiuses are satisfactory. Reposition cables, if necessary.

Install cable ties in accordance with site requirements.

For cable pinouts, refer to the online document Cisco Modular Access Router Cable Specifications.

For more information about connecting and configuring network modules, WAN interface cards, and voice interface cards, refer to the following documents:

Cisco Network Modules Hardware Installation Guide

Cisco Interface Cards Hardware Installation Guide

Connections for Cisco 3660 Routers
Connecting WAN, LAN, and Voice Cables (Without Chassis Shield)

If your Cisco 3660 router does not use a chassis shield, perform this procedure:

Step 1 Connect each WAN, LAN, and voice cable to the appropriate connector on a network module or interface card.

Step 2 Route the cables to the left side of the router, and organize the cables in bundles. (SeeFigure 3-53.)

Position the cables carefully, so that they do not put strain on the connectors.

Organize cables in bundles such that cables do not intertwine.

Step 3 Inspect the cables to make sure that the routing and bend radiuses are satisfactory. Reposition cables, if necessary.

Step 4 Install cable ties in accordance with site requirements.

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Figure 3-53Typical Cable Arrangement

1

2

IN

INSTALLATION 0 EN

SERIAL 0

EN N/LP RXC RXD TXC TXD

H

LB/CN

RC

RD

TC

TD

ETH 3

ETH 2

ETH 1

 

 

ETH 0

 

 

3

2

1

 

 

0

 

 

 

 

 

LINK

 

 

 

 

 

ACT

82351

1

LAN, WAN, and voice cables

2

Power wires

 

 

 

 

 

 

 

 

 

 

 

Connecting WAN, LAN, and Voice Cables (With Chassis Shield—TelcoOnly)

To connect the cables, install the chassis shield, and organize the cables into bundles, perform this procedure:

Note The Cisco 3660 router telco chassis is identified by its part number,CISCO3662-xC-CO.

Step 1 Connect each WAN, LAN, and voice cable to the appropriate connector on a network module or interface card.

Note Do not organize the cables into bundles until after you install the chassis shield. Leave a generous length of cable to allow for installation of the cable shield.

Note You can route cables through the cutout at the left of the chassis, through the openings in the chassis shield, or through both areas. In each routing, all WAN, LAN, and voice cables must exit toward the left. (SeeFigure 3-55 andFigure 3-56.)

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Step 2 If all of the cables are routed through the cutout at the left, leave the small panels in place on the chassis shield. If cables are routed through the openings in the chassis shield, remove the small panels as required to provide openings for the cables. (SeeFigure 3-54.)

Note If you are going to route cables through the upper openings in the chassis shield, you must remove the lower panels to permit chassis shield installation.

Figure 3-54Removing Panels from Chassis Shield

24225

Step 3 Hold the chassis shield at a45-degreeangle to the chassis, and attach it to the hinges at the right side.

Step 4 Position the cables to allow closing of the chassis shield, and close the chassis shield.

Note If cables are routed through the openings in the chassis shield, cables on the left side must exit through the left openings, and cables on the right side must exit through the right openings.

Step 5 Tighten the two captive screws at the left side of the shield.

Step 6 Reinstall the panels over any openings that are not used for cables.

Step 7 Route the cables to the left side of the router, and organize the cables in bundles (seeFigure 3-55 andFigure 3-56):

Position the cables carefully, so that they do not put strain on the connectors.

Organize cables in bundles such that cables do not intertwine.

Step 8 Inspect the cables to make sure that the routing and bend radiuses are satisfactory. Reposition cables, if necessary.

Step 9 Install cable ties in accordance with site requirements.

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Figure 3-55Cables Routed Through Openings in the Chassis Shield

1

2

IN

INSTALLATION 0 EN

SERIAL 0

EN N/LP RXC RXD TXC TXD

H

LB/CN

RC

RD

TC

TD

ETH 3

ETH 2

ETH 1

 

 

ETH 0

 

 

3

2

1

0

 

 

 

 

 

LINK

 

 

 

 

 

ACT

82352

1

LAN, WAN, and voice cables

2

Power wires

 

 

 

 

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Connecting to a Console Terminal or Modem

Figure 3-56Cables Routed Through the Chassis Cutout

1

2

2

 

FDX

1

FDX

LINK

0

100Mbps

 

LINK

 

 

100Mbps

 

 

VCC OK

 

1

SYSTEM

FDX

0

FDX

LINK

100Mbps

 

LINK

 

 

100Mbps

 

 

VCC OK

 

 

SYSTEM

 

 

8277482417

1

LAN, WAN, and voice cables

2

Power wires

 

 

 

 

 

 

 

 

 

 

 

Connecting to a Console Terminal or Modem

Your router has asynchronous serial console and auxiliary ports. These ports provide administrative access to your router either locally (with a console terminal or PC) or remotely (with a modem).

Cisco provides the following cables and adapters for connecting your router to a console terminal, PC, or modem:

One console adapter cable (RJ-45-to-DB-9,blue)

One modem adapter cable (RJ-45-to-DB-25,black)

This section describes how to connect a console terminal or PC to the console port, and how to connect a modem to the auxiliary port. It contains the following sections:

Connecting to the Console Port, page 3-44

Connecting to the Auxiliary Port, page 3-46

Identifying a Rollover Cable, page 3-50

Note For information on identifying rollover cables, refer to the“Identifying a Rollover Cable” section on page 3-50.

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Connecting to a Console Terminal or Modem

Connecting to the Console Port

To connect a console terminal or a PC running terminal emulation software to the console port on the router, perform the following procedure:

Step 1 Use the blueRJ-45-to-DB-9console adapter cable to connect the router to a terminal. (SeeFigure 3-57 throughFigure 3-60.)

For information about console port pinouts, refer to the Cisco Modular Access Router Cable

Specifications document available online and on the DocumentationCD-ROM.

Note On the Cisco routers, the console port iscolor-codedblue.

Step 2 Configure your terminal or terminal emulation software for 9600 baud, 8 data bits, no parity, and 2 stop bits.

Note Because hardware flow control is not possible on the console port, Cisco does not recommend that modems be connected to the console port. Modems should be connected only to the auxiliary port.

Figure 3-57Connecting a Console Terminal to a Cisco 3620 Router

H7239

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Console port connector (RJ-45)

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RJ-45-to-DB-25adapter

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Chapter 3 Installing the Router

Connecting to a Console Terminal or Modem

Figure 3-58Connecting a Console Terminal to a Cisco 3631 Router

AIC-64

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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Console port connector (RJ-45)

RJ-45-to-RJ-45

rollover cable

RJ-45-to-DB-9or

Laptop computer

RJ-45-to-DB-25adapter

 

Figure 3-59Connecting a Console Terminal to a Cisco 3640 Router

62576

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Chapter 3 Installing the Router

Connecting to a Console Terminal or Modem

Figure 3-60Connecting a Console Terminal to a Cisco 3660 Router

VCC OK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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rollover cable

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17346

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RJ-45-to-DB-25adapter

 

Connecting to the Auxiliary Port

To connect a modem to the auxiliary port on the router, perform the following procedure:

Step 1 Use the blackRJ-45-to-DB-25modem adapter cable to connect the router to a modem. (SeeFigure 3-61 throughFigure 3-64.)

For information about auxiliary port pinouts, refer to the Cisco Modular Access Router Cable

Specifications document available online and on the DocumentationCD-ROM.

Note On the Cisco routers, the auxiliary port iscolor-codedblack.

Step 2 Make sure that your modem and the router auxiliary port are configured for the same transmission speed (up to 115200 bps is supported) and hardware flow control with data carrier detect (DCD) and data terminal ready (DTR) operations.

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Chapter 3 Installing the Router

Connecting to a Console Terminal or Modem

Figure 3-61Connecting a Modem to the Auxiliary Port on the Cisco 3620 Router

SYSTEM RPS

 

CON

AUX

Modem

AUX port

cable

connector (RJ-45)

(MMOD)

 

0

1

ACTIVE

READY

H7240

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0 PCMCIA

Modem

RJ-45-to-DB-25adapter

EIA/TIA-232

Figure 3-62Connecting a Modem to the Auxiliary Port on the Cisco 3631 Router

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Chapter 3 Installing the Router

Connecting to a Console Terminal or Modem

Figure 3-63Connecting a Modem to the Auxiliary Port on the Cisco 3640 Router

SYSTEM RPS

 

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AUX

Modem cable

 

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Chapter 3 Installing the Router

Connecting to a Console Terminal or Modem

Figure 3-64Connecting a Modem to the Auxiliary Port on the Cisco 3660 Router

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Chapter 3 Installing the Router

Connecting to a Console Terminal or Modem

Identifying a Rollover Cable

Use a rollover cable to connect to the asynchronous serial console and auxiliary ports. You can identify a rollover cable by comparing the two modular ends of the cable. Hold the cables side-by-side,with the tab at the back. The wire connected to the pin on the outside of the left plug should be the same color as the wire connected to the pin on the outside of the right plug. (SeeFigure 3-65.)If your cable came from Cisco, pin 1 will be white on one connector, and pin 8 will be white on the other (a rollover cable reverses pins 1 and 8, 2 and 7, 3 and 6, and 4 and 5).

Figure 3-65Identifying a Rollover Cable

Pin 1 and pin 8 should be the same color

Pin 1

Pin 8

H3824

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Chapter 3 Installing the Router

Powering Up the Router

Powering Up the Router

Warning Theplug-socketcombination must be accessible at all times because it serves as the main disconnecting device.Statement 1019

Caution To ensure adequate cooling, never operate the router unless the unit is completely closed.

This section covers the following topics:

Checklist for Power Up, page 3-51

Front Panel Indicators, page 3-51

Power-Up Procedure, page 3-52

Checklist for Power Up

You are ready to power up the Cisco router if the following steps are completed:

Chassis is securely mounted.

Power and interface cables are connected.

Your PC terminal emulation program is configured for 9600 baud, 8 data bits, 1 stop bit, and no parity.

You have selected passwords for access control.

You have determined the IP addresses for the Ethernet and serial interfaces.

Front Panel Indicators

The following indicator LEDs provide power, activity, and status information:

Power (green)—Litwhen power is on

Sys/RPS (green):

Rapid blinking (200 ms)—Systemis booting

Slow blinking (1 s)—Redundantpower supply (RPS) failure

Continuous on—SystemOK

Activity (green)—Blinksduring system activity, such as interrupts and packet transfers For more detailed information about the LEDs, seeAppendix A, “Troubleshooting.”

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Chapter 3 Installing the Router

Powering Up the Router

Power-UpProcedure

To power up your Cisco router and verify that it goes through its initialization and self-test,follow this procedure. When the procedure is finished, the Cisco router is ready to configure.

If you encounter problems when you power on the router, see Appendix A, “Troubleshooting.” For information about the ROM monitor and the bootstrap program, seeAppendix B, “Using the ROM Monitor.” For information about the configuration register, seeAppendix C, “Configuration Register.”

Note To view the boot sequence through a terminal session, you must have a console connection to the Cisco routerbefore it powers up.

Step 1 Make sure that your PC is powered up and connected as described in the“Checklist for Power Up” section on page 3-51.

Step 2 Move the power switch to the ON position.

The following indications appear:

In Cisco 3620 series and Cisco 3640 series

The green LED next to the auxiliary port comes on.

The fan operates.

In Cisco 3631

The green LED on the front of the chassis comes on.

The fan operates.

In Cisco 3660

The LED on each power supply comes on.

The system and PS1 (and PS2) LEDs on the router front and rear panels come on.

Depending on your installation, Fast Ethernet (0/0, 0/1) and Network Module (Active, Ready) LEDs might also come on.

If you encounter problems when you power up the router, see Appendix A, “Troubleshooting.”

Messages begin to appear in your terminal emulation program window.

Caution Do not press any keys on the keyboard until the messages stop. Any keys pressed during this time are interpreted as the first command typed when the messages stop, which might cause the router to power off and start over. It takes a few minutes for the messages to stop.

You may see different startup messages:

If you see the following messages, the router has booted with a configuration file and is ready for initial configuration using Security Device Manager (SDM).

yourname con0 is now available

Press RETURN to get started.

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Chapter 3 Installing the Router

Configuring the Router

If SDM is installed on your router, Cisco recommends using SDM to perform the initial configuration. For configuration procedures using SDM, refer to the quick start guide that shipped with your router.

You can also access the Cisco 3600 series routers quick start guides online at:

http://www.cisco.com/univercd/cc/td/doc/product/access/acs_mod/cis3600/36xx_qsg/index.htm

If you see the following messages, the router has booted and is ready for initial configuration using the setup command facility or the command line interface (CLI).

---System Configuration Dialog---

At any point you may enter a question mark '?' for help.

Use ctrl-cto abort configuration dialog at any prompt.

Default settings are in square brackets '[]'.

Would you like to enter the initial configuration dialog? [yes/no]:

To learn how to use the setup command facility to configure the router, see the “Initial Configuration Using the Setup Command Facility” section on page 3-54.To learn how to use the CLI to configure the router, see the“Initial Configuration Using the CLI (Manual Configuration)” section on

page 3-57.

Note If therommon 1> prompt appears, your system has booted in ROM monitor mode. For information on the ROM monitor, see the router rebooting and ROM monitor information in theCisco IOS Configuration Fundamentals Configuration Guide for your Cisco IOS software release.

Configuring the Router

You can configure your router by using one of the following tools:

Security Device Manager. If your router was purchased with a VPN bundle, Security Device Manager is installed on the router. See the “Initial Configuration Using SDM” section on page 3-53

Setup command facility. you can use the setup command facility to prompt you for basic router information. After the configuration file has been created, you can use the CLI or use Security Device Manager to perform additional configuration. See the “Initial Configuration Using the Setup Command Facility” section on page 3-54.

Command-lineinterface (CLI). If you prefer to use the Cisco IOS CLI, see the“Initial Configuration Using the CLI (Manual Configuration)” section on page 3-57 for instructions on how to use the CLI.

Initial Configuration Using SDM

If Security Device Manager has been installed on your router, the following messages appear at the end of the startup sequence:

yourname con0 is now available

Press RETURN to get started.

For configuration procedures using SDM, refer to the quick start guide that shipped with your router.

You can also access the Cisco 3600 series routers quick start guides online at:

http://www.cisco.com/univercd/cc/td/doc/product/access/acs_mod/cis3600/36xx_qsg/index.htm

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Chapter 3 Installing the Router

Configuring the Router

Note If you need help with interface and port numbering, see the“Interface Numbering” section on page 1-8.

Initial Configuration Using the Setup Command Facility

This section shows how to use the setup command facility to configure a host name for the router, set passwords, and configure an interface for communication with the management network. If you see the following messages at the end of the startup sequence, the setup command facility has been invoked automatically:

---System Configuration Dialog---

At any point you may enter a question mark '?' for help.

Use ctrl-cto abort configuration dialog at any prompt.

Default settings are in square brackets '[]'.

Would you like to enter the initial configuration dialog? [yes/no]:

The setup command facility prompts you for basic information about your router and network, and it creates an initial configuration file.The prompts vary, depending on your router model, the installed interface modules, and the software image. The following example and the user entries (in bold) are shown as examples only.

For a description of the interface numbering, see the “Interface Numbering” section on page 1-8.

Note If you make a mistake while using the setup command facility, you can exit and run the setup command facility again. PressCtrl-C,and entersetup at the privileged EXEC mode prompt (Router#).

Step 1 To proceed using the setup command facility, enteryes when thepower-upmessages have ended.

Would you like to enter the initial configuration dialog? [yes/no]: yes

Step 2 When the following messages appear, pressReturn to enter basic management setup:

At any point you may enter a question mark '?' for help.

Use ctrl-cto abort configuration dialog at any prompt.

Default settings are in square brackets '[]'.

Basic management setup configures only enough connectivity for management of the system, extended setup will ask you to configure each interface on the system

Would you like to enter basic management setup? [yes/no]: yes

Step 3 Enter a host name for the router (this example uses3600):

Configuring global parameters:

Enter host name [Router]: 3600

Step 4 Enter an enable secret password. This password is encrypted (more secure) and cannot be seen when viewing the configuration:

The enable secret is a password used to protect access to privileged EXEC and configuration modes. This password, after entered, becomes encrypted in the configuration.

Enter enable secret: xxxxxx

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Chapter 3 Installing the Router

Configuring the Router

Step 5 Enter an enable password that is different from the enable secret password. This password isnot encrypted (less secure) and can be seen when viewing the configuration:

The enable password is used when you do not specify an

enable secret password, with some older software versions, and some boot images.

Enter enable password: xxxxxx

Step 6 Enter the virtual terminal password, which prevents unauthenticated access to the router through ports other than the console port:

The virtual terminal password is used to protect access to the router over a network interface. Enter virtual terminal password: xxxxxx

Step 7 Respond to the following prompts as appropriate for your network:

Configure SNMP Network Management? [yes]:

Community string [public]:

Step 8 A summary of the available interfaces is displayed:

Note The interface numbering that appears is dependent on the type of Cisco modular router platform and on the installed interface modules and cards.

Current interface summary

 

 

 

 

 

Controller

Timeslots

D-ChannelConfigurable modes Status

 

T1 0/0

24

23

pri/channelized

Administratively up

 

Interface

 

 

IP-Address

OK?

Method

Status

Prol

FastEthernet0/0

 

unassigned

NO

unset

up

up

FastEthernet0/1

 

unassigned

NO

unset

up

dow

Step 9 Select one of the available interfaces for connecting the router to the management network:

Enter interface name used to connect to the

management network from the above interface summary: fastethernet0/0

Step 10 Respond to the following prompts as appropriate for your network:

Configuring interface FastEthernet0/0:

Use the 100 Base-TX(RJ-45)connector? [yes]:yes

Operate in full-duplexmode? [no]:no

Configure IP on this interface? [yes]: yes

IP address for this interface: 172.1.2.3

Subnet mask for this interface [255.255.0.0] : 255.255.0.0

Class B network is 172.1.0.0, 16 subnet bits; mask is /16

Step 11 The configuration is displayed:

The following configuration command script was created:

hostname fig

enable secret 5 $1$D5P6$PYx41/lQIASK.HcSbfO5q1 enable password xxxxxx

line vty 0 4

 

 

password xxxxxx

 

 

snmp-servercommunity public

 

 

!

 

 

 

 

 

no ip routing

 

 

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Chapter 3 Installing the Router

Configuring the Router

!

interface FastEthernet0/0 no shutdown

media-type100BaseXhalf-duplex

ip address 172.1.2.3 255.255.0.0

!

interface FastEthernet0/1 shutdown

no ip address

!

end

Step 12 Respond to the following prompts. Select [2] to save the initial configuration.:

[0]Go to the IOS command prompt without saving this config.

[1]Return back to the setup without saving this config.

[2]Save this configuration to nvram and exit.

Enter your selection [2]: 2

Building configuration...

Use the enabled mode 'configure' command to modify this configuration.

Press RETURN to get started!

Step 13 The user prompt appears:

3600>

After you complete the initial configuration tasks, your Cisco router is ready to configure for specific functions. For configuration procedures, refer to the Software Configuration Guide for Cisco 2600 Series, Cisco 3600 Series, and Cisco 3700 Series Routers or theCisco IOS software configuration documentation. You can access these documents on Cisco.com and on the DocumentationCD-ROM.

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Chapter 3 Installing the Router

Configuring the Router

Initial Configuration Using the CLI (Manual Configuration)

This section shows how to bring up a command-lineinterface (CLI) prompt for configuration using the CLI, and it directs you to documentation for the CLI configuration.You can use the CLI if you see the following messages at the end of the startup sequence:

---System Configuration Dialog---

At any point you may enter a question mark '?' for help.

Use ctrl-cto abort configuration dialog at any prompt.

Default settings are in square brackets '[]'.

Would you like to enter the initial configuration dialog? [yes/no]:

Note If these messages do not appear, SDM and a default configuration file have been installed on the router at the factory. To use SDM to configure the router, refer to the quick start guide that shipped with your router. You can also access theCisco 3600 series routers quick start guides online at:

http://www.cisco.com/univercd/cc/td/doc/product/access/acs_mod/cis3600/36xx_qsg/index.htm

Note To avoid losing work you have completed, be sure to save your configuration occasionally as you proceed. Use thecopy running-config startup-config command to save the configuration to NVRAM.

Step 1 To proceed with manual configuration using the CLI, enterno.

Would you like to enter the initial configuration dialog? [yes/no]: no

Step 2 PressReturn to terminate autoinstall and continue with manual configuration.

Would you like to terminate autoinstall? [yes] Return

Several messages are displayed, ending with a line similar to the following:

...

Copyright (c) 1986-2000by cisco Systems, Inc.

Compiled <date> <time> by <person>

Step 3 PressReturn to bring up theRouter> prompt.

...

flashfs[4]: Initialization complete. Router>

Step 4 Enter privileged EXEC mode.

Router> enable

Router#

For configuration using the CLI, refer to the Software Configuration Guide for Cisco 2600 Series, Cisco 3600 Series, and Cisco 3700 Series Routers or the Cisco IOS software configuration documentation. You can access these documents on Cisco.com and on the Documentation CD-ROM.

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Chapter 3 Installing the Router

Configuring the Router

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A P P E N D I X A

Troubleshooting

Your Cisco 3600 series router goes through extensive testing and burn-inbefore leaving the factory. If you encounter problems, use the information in this appendix to help isolate problems or to eliminate the router as the source of the problem.

This appendix contains the following sections:

Isolating Problems, page A-1

Reading Front-Panel LEDs, page A-4

Reading Rear-Panel LEDs, page A-8

Error Messages, page A-10

Recovering a Lost Password, page A-16

Note To troubleshoot a network module refer to theCisco Network Modules Hardware Installation Guide; to troubleshoot a WAN interface card, refer to theCisco Interface Cards Hardware Installation Guide.

If you cannot locate the source of the problem, contact a customer service representative for information on how to proceed. For technical support information, refer to the “Obtaining Technical Assistance” section on page xviii. Before you call, have the following information ready:

Chassis type and serial number

Maintenance agreement or warranty information

Type of software and version number

Date you received the new chassis

Brief description of the problem

Brief explanation of the steps you have taken to isolate the problem

Isolating Problems

The key to problem solving is to isolate the problem to a specific subsystem by comparing what the router is doing to what it should be doing.

The LEDs on the front and rear panel of the router enable you to determine router performance and operation. For a description of these LEDs, see the “Reading Front-Panel LEDs” section on page A-4 and the“Reading Rear-Panel LEDs” section on page A-8.

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Isolating Problems

When problem solving, consider the following router subsystems:

Power and cooling systems—Externalpower source, power cable, router power supply and circuit breaker, and router blower and fan. Also consider inadequate ventilation or air circulation.

Modules—LEDson the modules can help identify a failure.

Cables—Externalcables that connect the router to the network.

Troubleshooting the Power and Cooling Systems

Both the system LED and the fans can help you troubleshoot a power problem. Check the following items to help isolate the problem:

With the power switch on, does the system LED stay on or blink?

If the LED is green, the router is receiving power and is functional.

If the LED is off, check the power source and power cable.

With the power switch on and the system LED on, do the fans operate?

If no, check the fans.

With the power switch on and the system LED off, do the fans operate?

If yes, the router is receiving power. The fans are connected directly to the DC outputs of the power supply.

If no, check the power source and power cable.

Does the router shut down after being on a short time?

Check for an environmentally induced shutdown. See the next section, “Environmental Reporting Features.”

Check the environmental site requirements in the “General Site Requirements” section on page 2-3.

Check for a power supply failure in the Cisco 3620 and Cisco 3640 routers by inspecting the system LED on the front panel. If the system LED is on or blinking, the power supply should be functional.

Check for a power supply failure in the Cisco 3631 router by inspecting the system LED on the front panel. If the system LED is on, the power supply is functional.

Check for a power supply failure in the Cisco 3660 router by inspecting the system, PS1, and PS2 LEDs on the front panel. If they are green, the power supplies are functional.

Router partially boots, but LEDs do not come on.

Check for a power supply failure by inspecting the system LED on the front panel of the router. If the system LED is on, the power supply is functional.

Check for a power supply failure in the Cisco 3660 router by inspecting the PS1 and PS2 power supply LEDs on the front panel. For an explanation of these LEDs, see Table A-3.

If the system LED is not on, refer to the warranty information in the quick start guide that shipped with your router, or contact customer service. The quick start guide is also available both on the Documentation CD-ROMand online.

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Isolating Problems

Environmental Reporting Features

If the router is operating at an abnormally high temperature, you see the following message on the console screen:

%SYS-1-OVERTEMP:System detected OVERTEMPERATURE condition. Please resolve cooling problem immediately!

Some causes of abnormally high router temperature are:

Fan failure

Air conditioner failure in the room

Air blockage to cooling vents

Take steps to correct the problem. See also the “Site Environment” section on page 2-4,and the“Equipment Racks” section on page 2-5.

Troubleshooting Modules, Cables, and Connections

Network problems can be caused by a module; cables or cable connections; or external devices such as a modem, transceiver, hub, wall jack, WAN interface, or terminal. Check for the following symptoms to help isolate the problem:

Tip All of the documents mentioned in this section are available both on the DocumentationCD-ROMand online.

Module is not recognized by the router.

On the Cisco 3660 router, check front-panelActive and Ready LEDs for the slot in which the module is installed. For information on these LEDs, see the“Reading Front-Panel LEDs” section on page A-4.

Make sure that the module is firmly seated in its slot.

Check the LEDs on the module. Each module has its own set of LEDs. For information on these LEDs, refer to the online publication Cisco Network Modules Hardware Installation Guide.

Make sure that you have a version of Cisco IOS software that supports the network module. Check the Cisco Network Modules Hardware Installation Guide or accompanying configuration note for the affected module’s software requirements.

Module is recognized, but interface ports do not initialize.

Make sure that the module and interface card are firmly seated in their slots.

Check external cable connections.

Make sure that you have a version of Cisco IOS software that supports the network module and interface card. Check the Cisco Network Modules Hardware Installation Guide and the

Cisco Interface Cards Hardware Installation Guide or accompanying configuration notes for the affected network module’s and interface card’s software requirements.

Router does not boot properly, or constantly or intermittently reboots.

Make sure that all modules are firmly seated in their slots.

Check the router chassis or software. Refer to the warranty information in the quick start guide that shipped with your router, or contact customer service.

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Appendix A Troubleshooting

Reading Front-PanelLEDs

Router boots, but the console screen is frozen.

Check the external console connection.

Verify that the parameters for your terminal are set as follows:

(a)The same data rate as configured for the router (9600 bps is the default)

(b)8 data bits

(c)No parity generated or checked

(d)2 stop bits

Router powers on and boots only when a particular module is removed.

Check the module. Refer to the warranty information in the quick start guide that shipped with your router, or contact customer service.

Router powers on and boots only when a particular cable is disconnected.

There may be a problem with the module or cable. Refer to the warranty information in the quick start guide that shipped with your router, or contact customer service.

Reading Front-PanelLEDs

Front-PanelLEDs on Cisco 3620, Cisco 3640, and Cisco 3660 Routers

The LEDs on the front panel of the router enable you to determine router performance and operation. Figure A-1 throughFigure A-3 show the LEDs on the front panel of the router. For an explanation of these LEDs see:

Table A-1—Describesthe system LED

Table A-2—Describesthe Redundant Power System (RPS) LED

Table A-3—Describesthe power supply LEDs (PS1 and PS2)

Table A-4—Describesthe Active, Ready, and PCMCIA LEDs

Figure A-1Cisco 3620 RouterFront-PanelLEDs

 

 

0

1

PCMCIA

 

 

 

1

15278

SYSTEM

RPS

ACTIVE

 

 

 

 

 

READY

 

0

 

CON

AUX

 

 

 

 

 

 

 

RPS

Console

Network module

PCMCIA

PCMCIA

LED

port

System

 

status LEDs

slots

LEDs

Auxiliary

 

 

 

LED

 

 

 

 

port

 

 

 

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Reading Front-PanelLEDs

Figure A-2Cisco 3640 RouterFront-PanelLEDs

 

 

0

1

2

3

 

1

H7042

SYSTEM

RPS

ACTIVE

 

 

 

 

0

READY

 

 

 

 

 

 

 

 

 

PCMCIA

 

 

CON

AUX

 

 

 

 

 

 

 

 

 

 

 

 

System and

Network activity LEDs

PCMCIA

RPS LEDs

 

LEDs

Figure A-3Cisco 3660 Router Front Panel LEDs

 

 

FE

 

ACTIVE

 

 

 

 

 

 

 

 

 

 

17903

 

 

 

READY

 

 

 

 

 

 

 

 

 

 

SYSTEM PS1

PS2

0/0

0/1

 

 

 

 

 

 

 

 

 

 

1

2

3

4

5

6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

FE

 

 

 

ACTIVE

 

 

 

 

 

 

 

 

 

 

 

 

 

READY

 

 

 

 

 

 

SYSTEM PS1

PS2

 

 

 

 

0/0

0/1

2

3

4

5

 

 

 

 

 

 

1

6

Note The Cisco 3660 router has system LEDs on the front and rear panels. Both system LEDs function as described inTable A-1.

Note In this guide, references to Cisco 3660 routers include both Cisco 3661 and Cisco 3662 routers.

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Reading Front-PanelLEDs

Table A-1SYSTEM LED in Cisco 3620, Cisco 3640, and Cisco 3660 Routers

Color

Description

 

 

Off

Router is not receiving power.

 

 

Blinking green

Router is running the ROM monitor. No errors detected.

 

 

Solid green

Router is operating normally. No errors detected.

 

 

Amber

Router is receiving power but not functioning properly. Possible power-onself-test

 

error or over-temperaturecondition detected.

 

 

Alternating

Power-onself-testdetected. The router is attempting to reload the ROM monitor.

amber and green

 

 

 

Note The Cisco 3660 router does not have the RPS LED described inTable A-2.

Table A-2RPS LED in Cisco 3620, Cisco 3640, and Cisco 3660 Routers

Color

RPS Status

 

 

Off

Not installed.

 

 

Blinking green

RPS and the power supply are both operational. Because the router can accept

 

power from only one source, you can do either of the following:

 

Unplug the power supply and use the RPS.

 

Turn off the RPS and use the power supply. The RPS can remain connected.

 

 

Solid green

Operational.

 

 

Amber

Installed but not operational.

 

 

Note The power supply LEDs (PS1 and PS2) described inTable A-3 are found only on the Cisco 3660 router’s front panel.

Table A-3Power Supply LEDs in Cisco 3620, Cisco 3640, and Cisco 3660 Routers

Color

Power Supply Status

 

 

Green

Installed and operating correctly.

 

 

Amber

Installed with fault conditions detected.

 

 

Blinking amber

Thermal or out-of-rangevoltage protection shutdown.

 

 

Off

Powered off or failed.

 

 

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Reading Front-PanelLEDs

Note Your router’s front or rear panel shows ACTIVEslot# and READYslot# LEDs corresponding to the number of network module slots in the router. (SeeTable A-4.)

The Cisco 3620 router has two slots numbered 0 and 1; the Cisco 3640 router has four slots numbered 0, 1, 2, and 3; and the Cisco 3660 router has six slots numbered 1, 2, 3, 4, 5, and 6.

Note The Cisco 3660 router has PCMCIA slots located on its rear panel. (SeeFigure A-6.)

Table A-4ACTIVE, READY, and PCMCIA LEDs in Cisco 3620, Cisco 3640, and Cisco 3660 Routers

LED

Description

 

 

ACTIVE 0, 1, 2, 3, 4, 5, 6

Blinks to indicate network activity on the module installed in the indicated

 

slot.

 

 

READY 0, 1, 2, 3, 4, 5, 6

Functional module has been installed in the indicated slot. If the LED is

 

off, the slot is empty or the module is not functional.

 

 

PCMCIA 0, 1

Data activity on the indicated PCMCIA slot.

 

 

Front-PanelLEDs on Cisco 3631 Routers

The LEDs on the front panel of the router enable you to determine router performance and operation. Figure A-4 shows the LEDs on the front panel of the Cisco 3631 router. For an explanation of these LEDs seeTable A-5.

Figure A-4Cisco 3631Front-PanelLEDs

SERIES

Power LED

Activity LED

SYS/RPS LED

62575

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Reading Rear-PanelLEDs

Table A-5Cisco 3631Front-PanelLEDs

LED

Color

Power Supply Status

 

 

 

POWER

Off

No power to system.

 

Green

Power to the system.

 

 

 

SYS/RPS

Slow blinking green

System initialization in progress.

 

Solid green

System software running. No RPS failure.

 

Fast blinking green

RPS failure after system software is running.

 

 

 

ACTIVITY

Blinking green

Blinking indicates network activity.

 

 

 

Reading Rear-PanelLEDs

Rear-PanelLEDs on Cisco 3631 Routers

For an explanation of the Cisco 3631 rear-panelLEDs, seeTable A-6.

Figure A-5Cisco 3631 RouterRear-PanelLEDs

AIC-64

 

ASYNC

 

31

 

30

27

29

26

2825

24

15

 

14

11

13

10

129

8

CONN 1

 

CONN 2

 

ASYNC 24-31

 

23

 

22

19

21

18

20

17

ASYNC 8-15

16

7

 

6

3

5

2

4

1

 

0

CONN 3

 

 

CONN 4

STAT

 

 

EN

ASYNC 16-23

 

 

ASYNC 0-7

 

 

 

 

EN

ACT 100Mbps LINK

FastEthernet 0/0

TD

RD

LP

AL

 

CD

 

 

 

 

SEE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MANUAL BEFORE

INSTALLATION

DSU

 

 

 

 

 

 

 

56K

 

 

 

 

 

 

 

 

ACT

SEE

MANUAL BEFORE

 

 

 

 

 

 

 

INSTALLATION

 

 

 

 

 

100Mbps

 

 

 

 

 

FastEthernet 0/0

LINK

 

 

 

 

 

 

 

 

 

 

FastEthernet 0/0

Console/AUX

ports

62705

Table A-6Cisco 3631 Fast Ethernet Connector LEDs

 

 

 

 

LED

Color

Status

 

 

 

 

 

 

 

 

 

 

 

 

 

ACT

Green

Blinking indicates network activity.

 

 

 

 

 

Off

No network activity.

 

 

 

 

 

 

 

 

 

 

 

 

LINK

Green

Ethernet link is established.

 

 

 

 

 

Off

No established link.

 

 

 

 

 

 

 

 

 

 

 

 

100Mbps

Green

100 Mbps communication speed attained.

 

 

 

 

 

Off

10 Mbps communication speed attained, or no link established.

 

 

 

 

 

 

 

 

 

 

 

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Reading Rear-PanelLEDs

Rear-PanelLEDs on Cisco 3660 Routers

For an explanation of the Cisco 3660 rear-panelLEDs, see:

SYSTEM LED (see Table A-1)

Power LED (see Table A-7)

Fast Ethernet connector LEDs (see Table A-8)

PCMCIA card LEDs (see Table A-4)

Power supply LEDs (see Table A-3)

See Figure A-6 for the locations of these LEDs.

Note The system LED on the rear panel of the Cisco 3660 router has the same function as the system LED on the front panel. (SeeTable A-1.)

The power LED communicates the status of the Cisco 3660 mainboard.

The LED on each Cisco 3660 router power supply has the same function as the PS1 and PS2 LEDs on the Cisco 3660 router front panel. (See Table A-3.)

The PCMCIA LEDs on the Cisco 3660 router rear panel are the same as those on the Cisco 3620 and Cisco 3640 router front panels. (See Table A-4.)

Figure A-6Cisco 3660 RouterRear-PanelLEDs

 

FDX

FDX

 

LINK

LINK

VCC OK

100Mbps

100Mbps

 

 

 

SYSTEM

 

 

1 0

Power supply LED

VOICE

USE

 

USE

 

HIGH SPEED SERIAL

 

 

 

 

2V

 

 

1HSSI

 

 

 

 

VIC

 

 

 

 

 

 

FXS

IN

 

IN

 

 

 

 

 

 

V1

1

SEE MANUAL BEFORE INSTALLATION

0

V0

 

 

 

 

HSSI 0

 

 

 

 

 

 

 

 

 

 

EN

LB/CN

RC

RD

TC

TD

 

 

 

 

 

 

 

 

 

EN

SERIAL

ETHERNET

4E

4T

 

SERIAL 3

SERIAL 2

SERIAL 1

SERIAL 0

ETH 3

ETH 2

ETH 1

 

 

ETH 0

 

 

 

 

 

 

3

2

1

0

 

 

 

 

 

 

 

 

 

LINK

 

 

 

 

 

 

 

 

 

EN

 

 

 

 

 

 

 

 

 

ACT

 

 

 

 

EN

 

 

 

 

 

17345

Table A-7

Power LED

 

 

 

Color

 

Status

 

 

 

Green

 

Operating voltages on the mainboard are within acceptable ranges.

 

 

 

Off

 

An error condition is detected in the operating voltages.

 

 

 

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Error Messages

Table A-8Fast Ethernet Connector LEDs

LED

Color

Status

 

 

 

FDX

Green

Data transmission is in full-duplexmode.

 

 

 

 

Off

Data transmission is in half-duplexmode.

 

 

 

LINK

Green

Ethernet link is established.

 

 

 

 

Off

No established link.

 

 

 

100Mbps

Green

100-Mbpscommunication speed attained.

 

 

 

 

Off

10-Mbpscommunication speed attained, or no link established.

 

 

 

Error Messages

Cisco 3600 Series Error Messages

This section describes error and recovery messages that may appear when operating a Cisco 3600 series router. Error messages for Cisco 3620 and Cisco 3640 routers powered by the Cisco RPS redundant power system are described in the publication Cisco RPS Hardware Installation Guide. Additional error messages for the Cisco 3660 router are described in the“Cisco 3660 Error Messages” section on

page A-12.

The Cisco IOS software displays system error and recovery messages on an external device console terminal screen. (For more information, see the “Connecting to a Console Terminal or Modem” section on page 3-43.)

The terminal should display one of the following prompts:

Router> (indicates the user EXEC mode)

or

Router# (indicates the privileged EXEC mode)

The Cisco IOS software checks the system condition once every 30 seconds. If the condition still exists, the error message reappears; if the error condition has cleared, a recovery message appears.

Table A-9 describes system error and recovery messages and LED conditions that might accompany them.

Note Table A-9 does not provide a complete list of system LED conditions. (For all LED conditions that can occur in your router, see“Reading Front-Panel LEDs” section on page A-4 and“Reading Rear-Panel LEDs” section on page A-8.)

Descriptions of the system error messages, recovery messages, and LED conditions that might accompany them are also described in the Cisco IOS System Error Messages online document at the following URL:

http://www.cisco.com/univercd/cc/td/doc/product/software/ios122/122sup/122sems/semsvol1/emfbgp.

htm#xtocid10

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Table A-9Cisco 3600 Series Error Messages

Message

Error:

%C3600-3-NOMAC:Can’t allocate MAC address for interface 1/1

Explanation:

MAC address allocation failed because the specified slot and port combination exceeds the hardware configuration.

Recovery:

Reallocate the MAC address.

Error:

%C3600-3-BADPLAT:Unknown platform type

Explanation:

The Cisco IOS software image does not recognize the revision level of the router’s mainboard. This might indicate either a hardware failure or the need for a software upgrade to recognize newer hardware.

Recovery:

Verify that you are using a recommended release of Cisco IOS software for your hardware. Upgrade if necessary.

Error:

%C3600-3-BADNV:Detected invalid NVRAM size: xx bytes

Explanation:

The NVRAM detected is not 128 bytes, or the NVRAM may be corrupted.

Recovery:

Copy the error message exactly as it appears, and report it to your technical support representative. (See the “Obtaining Technical Assistance” section on page xviii.)

Error:

%C3600-3-NVERASEFAIL:Failed to erase config due to internal error.

Explanation:

An internal error prevented the password protection feature from erasing the configuration.

Recovery:

Copy the error message exactly as it appears, and report it to your technical support representative. (See the “Obtaining Technical Assistance” section on page xviii.)

Error:

%C3600-4-MACBLKSIZE:Unknown MAC address block size.

Explanation:

Data stored in the backplane is either corrupt or incomplete.

Recovery:

Contact your technical support representative to upgrade your system. (See the “Obtaining Technical Assistance” section on page xviii.)

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Error Messages

Table A-9Cisco 3600 Series Error Messages (continued)

Message

Error:

%C3600-3-SLOTS:Number of slots in chassis is undefined.

Explanation:

The number of slots is undefined in the cookie.

Recovery:

Contact your technical support representative to upgrade your system. (See the “Obtaining Technical Assistance” section on page xviii.)

Error:

%C3600-4-COOKIE:Corrupt or missing MAC address cookie/n using random base xxx.

Explanation:

The cookie is corrupt.

Recovery:

Contact your technical support representative to upgrade your system. (See the “Obtaining Technical Assistance” section on page xviii.)

Cisco 3660 Error Messages

This section describes LED conditions and additional error and recovery messages that may be displayed when operating a Cisco 3660 router only. (See Table A-10.)

Note Table A-10 does not provide a complete list of system LED conditions. (For all LED conditions that can occur in your router, see“Reading Front-Panel LEDs” section on page A-4 and“Reading Rear-Panel LEDs” section on page A-8.)

Table A-10Cisco 3660 System Error and Status Messages

LED Type

LED Color

Message

 

 

 

Error:

 

 

%INITSYS-1-PS:

 

 

Explanation:

 

 

The router failed to establish the environmental monitor process. This is probably because of

 

 

insufficient memory available in the router.

 

 

Recovery:

 

 

Add memory to the router.

 

 

 

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Table A-10Cisco 3660 System Error and Status Messages (continued)

LED Type

LED Color

Message

 

 

 

System

Amber

Error:

 

 

%SYS-1-OVERTEMP:System detected OVERTEMPERATURE condition. Please resolve cooling

 

 

problem immediately!

 

 

Explanation:

 

 

The router is operating at an abnormally high temperature, possibly caused by one or more of

 

 

the following:

 

 

Fan failure

 

 

Air conditioner failure in the room

 

 

Air blockage to cooling vents

 

 

Recovery:

 

 

Check the possible causes. See also the “Site Environment” section on page 2-4 and the

 

 

“Equipment Racks” section on page 2-5.

 

 

When the error condition is resolved, the following informational message appears:

 

 

%OVERTEMP_OK, PS, LOG_ERR, 0: System temperature is now normal.

 

 

 

System

Amber

Error:

 

 

%THERMAL-3-PS:System detected Power System # THERMAL FAIL condition.

 

 

Explanation:

 

 

The operating temperature of the specified power supply (1 or 2) exceeded the acceptable

 

 

range possibly caused by one or more of the following:

 

 

Fan failure

 

 

Air conditioner failure in the room

 

 

Air blockage to cooling vents

 

 

Recovery:

 

 

Check the possible causes. If the fan has failed, replace the fan cage. Refer to the Replacing

 

 

the Fan Cage in Cisco 3660 Routers hardware configuration note.

 

 

When the error condition is resolved, the following informational message appears:

 

 

%THERMOK-3-PS:Power System THERMAL condition is now normal.

 

 

 

 

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Error Messages

Table A-10Cisco 3660 System Error and Status Messages (continued)

LED Type

LED Color

Message

 

 

 

PS1, PS2,

Amber

Error:

LED on

 

%PS-3-DCOUTPUTVOLTFAIL:System detected Power System # DC FAIL condition.

power

 

 

Explanation:

supply rear

 

 

 

 

panel

 

The cable connected to the specified DC power supply (1 or 2) is loose or the DC power supply

 

 

has failed.

 

 

Recovery:

 

 

1.

Check the power supply LEDs to identify the faulty unit.

 

 

2.

Power off the faulty power supply and circuit breaker.

 

 

3.

Check that cables are seated properly and terminal blocks are wired correctly.

 

 

4.

Power on the circuit breaker and the power supply.

 

 

5.

If the error condition persists, replace the DC power supply. Refer to the Installing

 

 

 

Universal DC Power Supplies in Cisco 3660 Routers or to the Installing Power Supplies

 

 

 

in Cisco 3600 Series Routers hardware configuration note.

 

 

When the error condition is resolved, the following informational message appears:

 

 

%PS-3-DCOUTPUTVOLTOK:Power System DC condition is now normal.

 

 

 

PS1, PS2,

Amber

Error:

LED on

 

%PS-3-INPUTVOLTFAIL:System detected Power System # AC FAIL condition.

power

 

 

Explanation:

supply rear

 

 

 

 

panel

 

The cable connected to the specified AC power supply (1 or 2) is loose or the AC power supply

 

 

has failed.

 

 

Recovery:

 

 

1.

Check the power supply LEDs to identify the faulty unit.

 

 

2.

Power off the faulty power supply.

 

 

3.

Check that cables are seated properly and terminal blocks are wired correctly.

 

 

4.

Power on the power supply.

 

 

5.

If the error condition persists, replace the AC power supply. Refer to the Installing Power

 

 

 

Supplies in Cisco 3600 Series Routers hardware configuration note.

 

 

When the error condition is resolved, the following informational message appears:

 

 

%PS-3-INPUTVOLTOK:Power System AC condition is now normal.

 

 

 

 

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Appendix A Troubleshooting

Error Messages

Table A-10Cisco 3660 System Error and Status Messages (continued)

LED Type

LED Color

Message

 

 

 

System

Amber

Error:

 

 

%PS-3-MULTFAIL:There is more than one failure with the Power System #; please

PS1, PS2,

Amber

resolve problems immediately.

Explanation:

LED on

 

 

 

power

 

The specified power supply (1 or 2) has experienced multiple failures. This is a critical

supply rear

 

condition that must be resolved immediately.

panel

 

Recovery:

 

 

 

 

1. Check the power supply LEDs to identify the faulty unit.

 

 

2. Power off the faulty power supply and circuit breaker (for a DC power supply).

 

 

3. Check that cables are seated properly and terminal blocks are wired correctly.

 

 

4. Power on the circuit breaker (for a DC power supply), and the power supply.

 

 

5. If the error condition persists, replace the power supply. Refer to theInstalling Universal

 

 

DC Power Supplies in Cisco 3660 Routers or to the Installing Power Supplies in

 

 

Cisco 3600 Series Routers hardware configuration note.

 

 

When the error condition is resolved, the following informational message appears:

 

 

%PS-3-PSOK:Power System is now normal.

 

 

 

Error:

 

 

%FAN-3-FAN_FAILED:Fan # had a rotation error reported.

 

 

Explanation:

 

 

The specified fan (1 through 6) is not rotating at the desired speed.

 

 

Recovery:

 

 

Replace the fan cage. Refer to the Replacing the Fan Cage in Cisco 3660 Routers hardware

 

 

configuration note.

 

 

When the error condition is resolved, the following informational message appears:

 

 

%FAN-3-FAN_OK:Fan # had earlier reported a rotation error. It is ok now.

 

 

 

Error:

 

 

%OIR-6-REMCARD:Card removed from slot x, interfaces disabled.

 

 

Explanation:

 

 

The online-insertion-and-removal(OIR) function detected the removal of a network module

 

 

processor from the specified chassis slot (1 through 6). The interfaces on that processor are

 

 

administratively shut down and removed. In addition, the routing table is flushed of any routes

 

 

through the removed interfaces.

 

 

For more information, refer to the Cisco Network Modules Hardware Installation Guide.

 

 

This is an informational message that does not require any recovery procedure.

 

 

 

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Appendix A Troubleshooting

Recovering a Lost Password

Table A-10Cisco 3660 System Error and Status Messages (continued)

LED Type

LED Color

Message

 

 

 

Error:

 

 

%OIR-6-INSCARD:Card inserted in slot x, interfaces administratively shut down.

 

 

Explanation:

 

 

The online-insertion-and-removal(OIR) function detected the insertion of a network module

 

 

processor in the specified chassis slot (1 through 6). The interfaces on that processor are shut

 

 

down until configured, or if an interface of that type was previously configured, it is restored

 

 

to its previous state.

 

 

For more information, refer to the Cisco Network Modules Hardware Installation Guide.

 

 

This is an informational message that does not require any recovery procedure.

 

 

 

Error:

 

 

%OIR-3-SEATED:Insert/removal failed for slot x, check card seating.

 

 

Explanation:

 

 

The online-insertion-and-removal(OIR) function detected an incorrectly seated network

 

 

module in the specified chassis slot (1 through 6).

 

 

For more information, refer to the Cisco Network Modules Hardware Installation Guide.

 

 

Recovery:

 

 

Remove and reinstall the network module in the indicated slot.

 

 

 

Error:

 

 

%CIRRUS-4-DOWNREV_NM:Network Module card in slot x is incompatible with the system.

 

 

Explanation:

 

 

The network module card in the specified slot (1 through 6) is incompatible and must be

 

 

upgraded to operate in the Cisco 3660 router.

 

 

For more information, refer to the Cisco Network Modules Hardware Installation Guide.

 

 

Recovery:

 

 

Contact your technical support representative to upgrade your network module. (See the

 

 

“Obtaining Technical Assistance” section on page xviii.)

 

 

 

Recovering a Lost Password

You can recover a lost enable password, but an enable secret password is encrypted and is not recoverable. If you lose an enable secret password that is configured on your router, you can replace it with a new enable secret password.

For password recovery and replacement procedures for the Cisco 2600 series routers, refer to the

Password Recovery Procedure for the Cisco 3600 Series Routers document at the following URL:

http://www.cisco.com/warp/public/474/pswdrec_3600.shtml

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A P P E N D I X B

Using the ROM Monitor

This appendix describes the use of the ROM monitor (also called the bootstrap program), which is the firmware that runs when you power up or restart a Cisco router. During normal operation, the ROM monitor helps to initialize the processor hardware and boot the operating system software. You can also use the ROM monitor to:

Help isolate hardware problems encountered when installing your router.

Copy a new Cisco IOS image from a console PC if the operating image is corrupted. This appendix contains the following sections:

Entering ROM Monitor Mode, page B-1

ROM Monitor Commands, page B-2

ROM Monitor Syntax Conventions, page B-3

ROM Monitor Command Descriptions, page B-4

Recovering Cisco IOS Software Images, page B-9

Entering ROM Monitor Mode

To use the ROM monitor, you must have access to the console port. Refer to the “Connecting to a Console Terminal or Modem” section on page 3-43 for information on connecting the console cable.

There are two ways of entering the ROM monitor mode:

Use the reload command and the Break key to enter the ROM monitor mode forone-timeuse.

Break (system interrupt) is always enabled for 60 seconds after the router reboots, regardless of whether Break is configured on or off in the configuration register (see Appendix C, “Configuration Register”). During this60-secondperiod, you can break to the ROM monitor prompt by pressing the Break key.

Note If your console terminal does not have a Break key, refer to the terminal emulator documentation for instructions on generating a break (system interrupt).

Set the configuration register so that the router enters the ROM monitor mode whenever it boots.

The new configuration register value, 0x0, is effective after the router is rebooted with the reload command. The router remains in the ROM monitor and does not boot the operating system.

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Appendix B Using the ROM Monitor

ROM Monitor Commands

As long as the configuration register value remains 0x0, you must manually boot the operating system from the console. Refer to the boot command in the“ROM Monitor Command Descriptions” section on page B-4.

The two methods of entering the ROM monitor mode are as follows:

Enter ROM Monitor Mode by Using the reload Command

Connect to the router from a console, and follow these steps:

Step 1 Restart the router with thereload command.

Router# reload

Step 2 Press the Break key during the first 60 seconds of the system booting.

This forces the router into ROM monitor mode, and the ROM monitor prompt is displayed:

rommon 1>

Enter ROM Monitor Mode by Resetting the Configuration Register

Connect to the router from a console, and follow these steps:

Step 1 Set the bits 3, 2, 1, and 0 of the configuration register to zero.

Router# configuration-register0x0

Step 2 Restart the router with thereload command.

Step 3 Router#reload

The router boots into the ROM monitor mode, and the ROM monitor prompt is displayed:

rommon 1>

Note The number that appears in the ROM monitor prompt (1>, 2>, and so forth) is the line number. It increments each time you enter a ROM monitor command.

ROM Monitor Commands

Showing ROM Monitor Commands

Enter ? orhelp at the ROM monitor prompt to see a list of available commands. For example:

 

 

 

rommon 1>

?

 

 

 

 

 

 

alias

set and

display aliases command

 

 

 

 

 

boot

boot up

an external process

 

 

 

 

 

break

set/show/clear the breakpoint

 

 

 

 

 

confreg

configuration register utility

 

 

 

 

 

cont

continue executing a downloaded

image

 

 

 

context

display

the context of a loaded

image

 

 

 

cookie

display

contents of cookie PROM

in hex

 

 

 

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Appendix B Using the ROM Monitor

ROM Monitor Syntax Conventions

dev

list the device

table

dir

list files in the file system

dis

display instruction stream

dnld

serial download

a program module

frame

print out a selected stack frame

help

monitor builtin

command help

history

monitor command

history

iomemdef

set IO mem to

a default 25%

meminfo

main memory information

repeat

repeat a monitor command

reset

system reset

 

rommon-pref

select ROMMON

 

set

display the monitor variables

stack

produce a stack

trace

sync

write monitor environment to NVRAM

sysret

print out info from last system return

tftpdnld

tftp image download

unalias

unset an alias

 

unset

unset a monitor

variable

xmodem

x/ymodem image download

rommon 2>

 

 

Note Not all ROM monitor commands are available on all platforms.

Displaying Information About ROM Monitor Command Syntax

To display information about command syntax, enter the command name followed by -?.

Entering ROM Monitor Commands

ROM monitor commands are case-sensitive.Enter commands exactly as shown.

Interrupting ROM Monitor Commands

You can end any command by generating a Break (system interrupt) at the console.

ROM Monitor Syntax Conventions

ROM monitor syntax in this appendix uses the following conventions:

Square brackets [ ] denote an optional element. In the following example, the element abc is not required, but you can specify it if you choose:

command [abc]

If a minus option is followed by a colon (for example, [-s:])you must provide an argument for the option.

A term in italics means that you must fill in the appropriate information. In the following example, you replace the term in italics with the interface type you are using:

command interface-type

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Appendix B Using the ROM Monitor

ROM Monitor Command Descriptions

ROM Monitor Command Descriptions

Router Management Commands

This section lists some useful ROM monitor commands. Refer to the Cisco IOS configuration guides and command references for more information on ROM monitor commands.

Boot Commands in the ROM Monitor

Functions of Boot Commands

The router always boots first from a Cisco IOS image in the Flash memory, because there is no separate, dedicated boothelper image ([rx]boot). The first image in Flash memory functions as the boothelper image, but you can override this by setting the BOOTLDR Monitor environment variable to point to another image. The first image in Flash memory is invoked if the ROM monitor does not recognize a device ID specified in the boot command. The router cannot boot if there is no Cisco IOS image in Flash memory.

To boot a router from a Cisco IOS image on a TFTP server (netboot), the installed DRAM must be adequate to hold two uncompressed Cisco IOS images: the image from Flash memory and the image downloaded from the TFTP server.

If the router is configured to boot from a TFTP server (boot bits in the configuration register are set from 2 to 15), the router first boots from the image in Flash memory. It decompresses that image in DRAM, parses the boot system commands, downloads the Cisco IOS image from the TFTP server, and decompresses it in DRAM. After the Cisco IOS image from the TFTP server is in DRAM, the DRAM memory occupied by the boothelper image is released.

Note Booting from a TFTP server is useful if the router does not have enough Flash memory to hold large images. With a small image in Flash memory (just large enough to support the necessary interfaces), the router boots from Flash, and then the larger image is downloaded from the TFTP server.

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Appendix B Using the ROM Monitor

ROM Monitor Command Descriptions

Entering Boot Commands

The boot command syntax is as follows, where:

partition is a partition number in the Flash memory

filename is the Cisco IOS image file name

tftpserver is the IP address of the TFTP server

-x directs the router to load the image but not execute the boot process

-v (Verbose) specifies that progress print setting messages and error information be displayed

boot [flash: [partition: [filename]] | slot0: [partition: [filename]] | slot1: [partition: [filename]] | filename tftpserver] [-x] [-v]

Some examples of boot commands are as follows:

Note In allboot commands,boot can be entered asb.

boot—Bootsfrom the first Cisco IOS image in the internal Flash memory.

boot flash:—Bootsfrom the first Cisco IOS image in the internal Flash memory.

boot flash: partition:—Bootsfrom the first Cisco IOS image in the specified partition in the internal Flash memory.

boot flash: filename—Bootsfrom the specified IOS image in the internal Flash memory.

boot flash: partition: filename—Bootsfrom the specified Cisco IOS image in the specified partition in the internal Flash memory.

boot slot0:—Bootsfrom the first Cisco IOS image in the first partition in the PCMCIA Flash memory in slot 0.

boot slot0:2:—Bootsfrom the first Cisco IOS image in the second partition in the PCMCIA Flash memory in slot 0.

boot slot0: filename— Boots from the specified Cisco IOS image in the PCMCIA Flash memory in slot 0.

boot slot1:3: filename—Bootsfrom the specified Cisco IOS image in the third partition in the PCMCIA Flash memory in slot 1.

boot filename tftpserver— Boots from the specified Cisco IOS image on the specified TFTP server (after first booting from Flash). For example:

boot c3660-is-mz172.15.19.11

Note Use the CLI commandsshow version andshow hardware to see the source of the currently running Cisco IOS image.

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Appendix B Using the ROM Monitor

ROM Monitor Command Descriptions

Informational Commands in the ROM Monitor

dev—Listboot device identifications on the router, for example:

rommon 10 > dev

Devices in device table: id name

flash: flash

slot0: PCMCIA slot 0 slot1: PCMCIA slot 1 eprom: eprom

dir device:[partition:]—Liststhe files on the named device. For example:

rommon 8> dir flash:

File size

Checksum

File name

2229799 bytes (0x220627)

0x469e

C3660-is-mz.122-13T

help—Showsa summary of ROM monitor commands (equivalent to?).

meminfo—Displaysmain memory size, starting address, and available range; size of packet memory; and size of NVRAM. The following example shows thememinfo command:

rommon 9 > meminfo

Main memory size: 16 MB in 32-bitmode.

Available main memory starts at 0xa000e000, size 16328KB

IO (packet) memory size: 25 percent of main memory.

NVRAM size: 128KB

meminfo [-l]—Thememinfo command with the-l option shows supported DRAM configurations. The following example shows an example of thememinfo -l command:

rommon 1> meminfo -l

The

following 64 bit memory

configs are supported:

 

-------------------------------------------------

 

DIMM SOCKET 0

DIMM SOCKET 1

TOTAL MEMORY

-------------

 

-------------

------------

16

MB

0

MB

16

MB

16

MB

16

MB

32

MB

32

MB

0

MB

32

MB

32

MB

16

MB

48

MB

32

MB

32

MB

64

MB

64

MB

0

MB

64

MB

64

MB

16

MB

80

MB

64

MB

32

MB

96

MB

64

MB

64

MB

128

MB

128

MB

0

MB

128

MB

128

MB

16

MB

144

MB

128

MB

32

MB

160

MB

128

MB

64

MB

192

MB

128

MB

128

MB

256

MB

rommon 2>

Other Useful ROM Monitor Commands

reset ori—Resetsand initializes the router, similar to power on.

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Appendix B Using the ROM Monitor

ROM Monitor Command Descriptions

Debugging Commands

Most debugging commands are functional only when Cisco IOS software has crashed or failed to initialize (boot). Debugging commands should normally be entered only under the direction of a Cisco engineer. If you enter a debugging command and Cisco IOS crash information is not available, the following error message appears:

“xxx: kernel context state is invalid, cannot proceed.”

The following ROM monitor debugging commands provide information about software failures:

stack ork—Producea stack trace.

context—Viewprocessor context.

frame—Viewan individual stack frame.

sysret—Viewreturn information from the last booted system image. This information includes the reason for terminating the image, a stack dump of up to eight frames, and, if an exception is involved, the address where the exception occurred. For example:

rommon 8> sysret

System Return Info:

count: 19, reason: a SegV exception pc:0x802b1040, error address: 0x802b1040 Stack Trace:

FP: 0x80908398, PC: 0x802b102c

FP: 0x809083b0, PC: 0x802b0b88

FP: 0x809083d8, PC: 0x8017039c

FP: 0x809083e8, PC: 0x8016f764

Configuration Register Commands

The configuration register resides in NVRAM. You can view or modify the configuration register from either the ROM monitor or the operating system software.

For procedures used to change the configuration register from the operating system, and for information about configuration register settings, see Appendix C, “Configuration Register.”

To modify the configuration register from the ROM monitor, you can:

Enter the confreg command by itself for menu mode. See the“Modifying the Configuration Register in Menu Mode” section below.

Enter the confreg command plus the new hexidecimal value of the configuration register. See the“Modifying the Configuration Register by Hexidecimal Entry” section on page B-8.

In either case, the new configuration register value is written into NVRAM, but is not effective until you reboot (using the ROM monitor reset command) or power cycle the router.

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Appendix B Using the ROM Monitor

ROM Monitor Command Descriptions

Modifying the Configuration Register in Menu Mode

Entering the confreg command without an argument displays the contents of the configuration register, and prompts you to alter the contents by describing the meaning of each bit.

The following display shows an example of menu mode:

rommon

7> confreg

 

 

 

Configuration Summary

 

 

 

enabled

are:

 

 

 

break/abort has effect

 

 

 

console

baud: 9600

 

 

 

boot: the ROM Monitor

 

 

 

do you

wish to change the configuration? y/n

[n]: y

enable

“diagnostic mode”? y/n

[n]:

y

 

enable

“use net in IP bcast address”? y/n

[n]:

enable

“load rom after netboot fails”? y/n

[n]:

enable

“use all zero broadcast”? y/n

[n]:

 

disable

“break/abort has effect”? y/n

[n]:

 

enable

“ignore system config info”? y/n [n]:

change

console baud rate? y/n

[n]: y

 

 

enter rate: 0 = 9600, 1 = 4800, 2 = 1200,

3 = 2400

 

4 = 19200, 5 = 38400, 6 = 57600, 7 = 115200 [0]: 0

change

the boot characteristics? y/n

[n]:

y

enter to boot:

 

 

 

0 = ROM Monitor

 

 

 

1 = the boot helper image

 

 

 

2-15=

boot system

 

 

 

[0]: 0

Configuration Summary enabled are:

diagnostic mode console baud: 9600 boot: the ROM Monitor

do you wish to change the configuration? y/n [n]:

You must reset or power cycle for new config to take effect

Modifying the Configuration Register by Hexidecimal Entry

Entering the confreg command plus a hexidecimal value changes the contents of the configuration register. The syntax isconfreg [hexnum]; values entered are always interpreted as hexadecimal. The following example changes the value of the configuration register to the factory default:

rommon 7> confreg 0x2102

You must reset or power cycle the router for new configuration to take effect.

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Appendix B Using the ROM Monitor

Recovering Cisco IOS Software Images

Recovering Cisco IOS Software Images

If both the boot and system images have been erased and only the ROM monitor is available, you can use the ROM monitor xmodem command to copy a Cisco IOS image to Flash memory from the console. The console can be connected directly to the router through the console port, or remotely through a modem connected to the auxiliary port.

Note Copying a Cisco IOS image from the console is very slow. This procedure should be used only in an emergency and is not recommended for normal Cisco IOS image upgrades.

For the fastest possible download from a console, set the console speed to 115200 bps by using the confreg ROM monitor command. See the“Configuration Register Commands” procedure on page B-7.

Note Using a PCMCIA card to update the Cisco IOS image is much faster than using the console port and, when available, is the recommended method of recovering a software image.

Description and Options of the xmodem Command

The xmodem command establishes a connection between a console and the router console port for disaster recovery, if both the boot and system images are erased from Flash memory.

xmodem [filename]—Establishesan Xmodem connection between the console and the router. The optional argumentfilename specifies the source file containing the Cisco IOS image.

Other options include the following:

c—Usecyclic redundancy check(CRC-16).

y—UseYmodem transfer protocol.

r—Copythe image to dynamicrandom-accessmemory (DRAM) for launch.

x—Donot launch image on completion of download.

Console Requirements

The console computer (PC) must have the following files to use this procedure:

Terminal emulation application program supporting one of the following file transfer protocols:

Xmodem

Xmodem–CRC

Xmodem–1K

Ymodem

Cisco IOS image file

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Appendix B Using the ROM Monitor

Recovering Cisco IOS Software Images

Procedure for the xmodem Command

To copy a Cisco IOS image from a console to Flash memory, perform the following procedure.

Note File transfer from a console is slow and will take many minutes.

Step 1 Connect the console using the instructions in the “Connecting to a Console Terminal or Modem” section on page 3-43.

Step 2 Power on the router. Thepower-onself-testdiagnostics run and the boot ROM searches for a valid boot image and Cisco IOS image in Flash memory. If the boot image and Cisco IOS image are not found, the ROM monitor prompt is displayed:

rommon 1>

Step 3 Enter thexmodem command and the name of the source file containing the Cisco IOS image:

rommon 1> xmodem filename

Step 4 The source file is searched for and found. Messages similar to the following appear:

Do not start upload program yet...

File size

Checksum

File name

2537948 bytes

(0x26b9dc)

3640-boot-l

WARN: This operation will ERASE bootflash. If the xmodem download to bootflash fails, you will lose any good image you may already have in bootflash.

Invoke this application only for disaster recovery.

Do you wish to continue? [yes/no]:

Step 5 Enteryes to copy the Cisco IOS image into Flash memory. Messages similar to the following appear:

Ready to receive file prog ...

Erasing flash at 0x3000000

program flash location 0x3000000

Transfer complete!

The router is now ready to boot from the Cisco IOS image. Enter the reset ROM monitor command to reboot the router.

Note If you have set the console speed to 115200, you may wish to reset it to the previous speed or to the factory default speed (typically 9600 bps). See the“Configuration Register Commands” procedure on page B-7.

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A P P E N D I X C

Configuration Register

This appendix describes the factory default settings of the configuration register, and procedures for changing those settings.

This appendix has the following sections:

Configuration Register Settings, page C-1

Changing Configuration Register Settings, page C-2

Configuring the Boot Field, page C-4

Enabling Booting from Flash Memory, page C-6

Configuration Register Settings

The router has a 16-bitconfiguration register in NVRAM. You can use the configuration register to perform the following tasks:

Set and display the configuration register value

Force the router into the ROM monitor (bootstrap program)

Select a boot source and default boot filename

Enable or disable the Break function

Control broadcast addresses

Load operating software from ROM

Table C-1 describes each configuration register bit.

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Appendix C Configuration Register

Changing Configuration Register Settings

Table C-1Configuration Register Bit Meanings

Bit

 

 

Number

Hexadecimal

Meaning

 

 

 

00–03

0x0000-0x000F

Boot field. (See Table C-2.)

 

 

 

06

0x0040

Causes the system software to ignore the contents of

 

 

NVRAM.

 

 

 

07

0x0080

OEM bit enabled.

 

 

 

08

0x0100

Break disabled.

 

 

 

09

0x0200

Causes the system to use the secondary bootstrap.

 

 

This is typically not used (set to 0).

 

 

 

10

0x0400

IP broadcast with all zeros.

 

 

 

5, 11, 12

0x0020,

Console line speed.

 

0x0800, 0x1000

 

 

 

 

13

0x2000

Boots default ROM software if the network boot fails.

 

 

 

14

0x4000

IP broadcasts do not have net numbers.

 

 

 

15

0x8000

Enables diagnostic messages and ignores the contents

 

 

of NVRAM.

 

 

 

Changing Configuration Register Settings

You might want to modify the value in the configuration register to perform the following tasks:

Recover a lost password

Change the console data rate

Enable or disable the Break function

Manually boot the operating system using the b command at the ROM monitor prompt

Force the router to automatically boot its system image in Flash memory, or boot in accordance with any boot system commands stored in the router’s configuration file in NVRAM

You can change the configuration register from either the ROM monitor or the operating system software. To change the configuration register from the ROM monitor, see the “Configuration Register Commands” section on page B-7.To change the configuration register from the system software, do the following:

Step 1 Connect a console terminal to the console port of the router as described in the“Connecting to the Console Port” section on page 3-44,using the blueRJ-45toDB-9console adapter cable.

Note If you have a terminal with aDB-25port, use anRJ-45rollover cable andDB-25adapter. TheRJ-45-to-DB-25adapter (Cisco part number29-0810-01)can be purchased from Cisco.

For information about cable pinouts, refer to the online document Cisco Modular Access Router Cable Specifications. This document is available online and on the Cisco DocumentationCD-ROM.

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Appendix C Configuration Register

Changing Configuration Register Settings

Note In this publication, references to Cisco 3660 routers include both Cisco 3661 and Cisco 3662 models.

Step 2 Configure your terminal or terminal emulation software for 9600 baud (default), 8 data bits, no parity, and 2 stop bits.

Step 3 Power on the router.

Step 4 When asked if you would like to enter the initial dialog, answerno:

Would you like to enter the initial dialog? [yes]: no

Your router is now in the normal operating mode.

Step 5 After a few seconds, you see the user EXEC prompt (Router>). Enter theenable command and your password to enter privileged EXEC mode:

Router> enable

Password: password

Step 6 At the privileged EXEC prompt (Router#), enter theconfigure terminal command:

Router# configure terminal

Enter configuration commands, one per line.

Edit with DELETE, CTRL/W, and CTRL/U; end with CTRL/Z

Step 7 Enter theconfig-register value command, wherevalue is a hexadecimal number preceded by 0x (seeTable C-2),to set the contents of the configuration register:

Router# config-register0xvalue

Note Cisco IOS software does not allow you to change the console speed bits directly with theconfig-register command. To change the console speed, complete this sequence:

Router# configure terminal

Router(config)# line console 0

Router(config-line)#speed 9600

Step 8 PressCtrl-z to exit configuration mode.

Step 9 Copy the new console speed to NVRAM:

Router> copy run start

The new settings are saved to NVRAM, but they are not effective until the router restarts; for example, when you switch the power off and on or when you enter a reload command from the console.

Step 10 Enter theshow version command to display the configuration register value currently in effect and the value that will be used at the next reload. The value is shown on the last line of the display:

Configuration register is 0x142 (will be 0x142 at next reload)

Step 11 Reboot the router. The new value is effective after the router reboots.

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Appendix C Configuration Register

Configuring the Boot Field

Configuring the Boot Field

The lowest four bits of the configuration register (bits 3, 2, 1, and 0) form the boot field. (SeeTable C-2.)

Table C-2Explanation of Boot Field Configuration Register Bits(00-03)

Boot Field

Meaning

 

 

00

Stays at the ROM monitor on a reload or power cycle

 

 

01

Boots the first image in Flash image as a system image

 

 

02-F

Enables default booting from Flash memory

 

Enables boot system commands that override default booting from Flash

 

memory

 

 

The boot field specifies a number in binary form. If you set the boot field value to 0, you must have console port access to boot the operating system manually. Refer to the boot command in the“ROM Monitor Command Descriptions” section on page B-4.

If you set the boot field to a value of 2 to F, and there is a valid boot system command stored in the configuration file, the router software processes eachboot command in sequence until the process is successful or the end of the list is reached. If there are noboot commands in the configuration file, the router attempts to boot the first file in Flash memory.

In the following example, the configuration register is set to boot the router automatically from Flash memory and to ignore Break at the next reboot of the router:

Router# configure terminal

Enter configuration commands, one per line.

Edit with DELETE, CTRL/W, and CTRL/U; end with CTRL/Z config-register 0x102

Ctrl-z

Note Aboot system command in the router configuration in NVRAM overrides booting from Flash memory.

Bit 8 controls the console Break key. Setting bit 8 (the factory default) causes the processor to ignore the console Break key. Clearing bit 8 causes the processor to interpret Break as a command to force the router into the bootstrap monitor, halting normal operation. Break can always be sent in the first

60 seconds while the router is rebooting, regardless of the configuration settings.

Bit 9 controls the system boot. Clearing bit 9 (the factory default) causes the system to boot from Flash memory. Clearing bit 9 causes the system to use the secondary bootstrap (netbooting). This is typically not used.

Bit 10 controls the host portion of the IP broadcast address. Setting bit 10 causes the processor to use all zeros; clearing bit 10 (the factory default) causes the processor to use all ones. Bit 10 interacts with bit 14, which controls the network and subnet portions of the broadcast address. Table C-3 shows the combined effect of bits 10 and 14.

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Appendix C Configuration Register

Configuring the Boot Field

Table C-3Configuration Register Settings for Broadcast Address Destination

Bit 10

Bit 14

Address (<net> <host>)

 

 

 

Off

Off

<ones> <ones>

 

 

 

On

Off

<zeros> <zeros>

 

 

 

On

On

<net> <zeros>

 

 

 

Off

On

<net> <ones>

 

 

 

Bit 13 determines the router’s response to a bootload failure. Setting bit 13 causes the router to load operating software from ROM after six unsuccessful attempts to load a boot file. Clearing bit 13 causes the router to continue indefinitely to attempt loading a boot file. By factory default, bit 13 is set to 0.

Bits 5, 11, and 12 of the configuration register determine the baud rate of the console terminal. Table C-4 shows the bit settings for the eight available rates. (The default baud rate is 9600 bps.)

Table C-4Console Terminal Baud Rate Settings

Baud

Bit 5

Bit 12

Bit 11

 

 

 

 

115200

1

1

1

 

 

 

 

57600

1

1

0

 

 

 

 

38400

1

0

1

 

 

 

 

19200

1

0

0

 

 

 

 

9600

0

0

0

 

 

 

 

4800

0

0

1

 

 

 

 

2400

0

1

1

 

 

 

 

1200

0

1

0

 

 

 

 

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Appendix C Configuration Register

Enabling Booting from Flash Memory

Enabling Booting from Flash Memory

To enable booting from Flash memory, set bits 3, 2, 1, and 0 to a value between 2 to 15. To specify a filename to boot, enter the system software configuration command boot system flash [device:] [partition:] [filename] in the configuration file.

By specifying the device and partition in the command, you can configure the router to boot from the PCMCIA cards. If you specify only the filename, the router is configured to boot from Flash memory.

To enter configuration mode while in the system software image, enter the configure command at the enable prompt as in the following example:

Router# configure

Configuring from terminal, memory, or network [terminal]? terminal

Enter configuration commands, one per line.

Edit with DELETE, CTRL/W, and CTRL/U; end with CTRL/Z boot system flash filename

To disable Break and enable the boot system flash command, enter theconfig-register command with a value as follows:

config-reg0x102

Ctrl-z

If you set the configuration register value to 0x102, as in this example, you do not need to enter the boot system flash command unless there is more than one image in Flash memory.

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C-3, C-5

Symbols

? (help) command B-2

I N D E X

bracket attachment

for rack-mounting3-5 to 3-13 forwall-mounting3-18

Numerics

C

100Mbps LED (Cisco 3631 rear panel)

A-8

100Mbps LED (Cisco 3660 rear panel)

A-10

A

AC power connection 3-27

 

ACTIVE LED (Cisco 3620, 3640, 3660)

A-7

ACTIVITY LED (Cisco 3631 front panel)

A-8

ACT LED (Cisco 3631 rear panel) A-8

 

AIMs, installing

1-5

 

asynchronous serial baud rates 2-13

 

auxiliary port

 

 

connecting to

3-46 to 3-49

 

description of

2-9

 

B

baud rate

asynchronous serial 2-13 modem3-46

setting for console terminal boot command B-5 boothelper B-4

booting from Flash memory C-6 boot system commandC-2

cables, provided 2-7

Caution symbol, meaning of ix chassis

desk