Cisco Systems 3700 User Manual

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Cisco 3700 Series Routers Hardware Installation Guide

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Cisco Systems, Inc. 170 West Tasman Drive San Jose, CA 95134-1706 USA http://www.cisco.com Tel: 408 526-4000

800 553-NETS (6387)

Fax: 408 526-4100

Text Part Number: OL-2180-08

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 inform ation 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-frequency energy 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-frequency energy. 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-NAMED SUPPLIERS 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

CCSP, the Cisco Square Bridge logo, Follow Me Browsing, 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 Access Registrar, Aironet, ASIST, BPX, Catalyst, CCDA, CCDP, CCIE, CCIP, CCNA, CCNP, Cisco, the Cisco Certified Internetwork E xpert logo, Cisco IOS, Cisco Press, Cisco Systems, Cisco Systems Capital, the Cisco S ystems logo, Cisco Unity, Empowering the Internet Generation, Enterprise/Solver, EtherChannel, EtherFast, EtherSwitch, Fast Step, FormShare, GigaDrive, GigaStack, HomeLink, Internet Quotient, IOS, IP/TV, iQ Expertise, the iQ logo, iQ Net Readiness Scorecard, LightStream, Linksys, MeetingPlace, MGX, the Networkers logo, Networking Academy, Network Registrar, Packet, PIX, Post-Routing, Pre-Routing, ProConnect, RateMUX, ScriptShare, SlideCast, SMARTnet, StrataView Plus, 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 United States and certain other countries.

All other trademarks mentioned in this document or Website 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. (0411R)

Book Title

Preface vii

Objectives vii

Audience viii

Organization viii

Conventions viii

Safety Warnings ix

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

Objectives

• Related Documentation, page xiv

• Obtaining Documentation, page xvi

• Documentation Feedback, page xvi

• Obtaining Technical Assistance, page xvii

• Obtaining Additional Publications and Information, page xviii

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, see the Software Configuration Guide for Cisco 2600

Series, Cisco 3600 Series, and Cisco 3700 Series Routers and the Cisco IOS configuration guide and

command reference publications. These publications are available online on Cisco.com. See the

“Obtaining Documentation” section on page xvi 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.

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Preface

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 3700 Series Routers Describes the features and specifications of Cisco 3700 series

routers.

Chapter 2 Preparing to Install the Router Describes safety recommendations, site requirements, and

required tools and equipment, and includes installation checklist.

Chapter 3 Installing the Router Describes how to install the router, and shows how to connect to

the router console and auxiliary ports.

Appendix A Troubleshooting Describes how to isolate problems, read LEDs, and interpret error

and recovery messages.

Appendix B Using the ROM Monitor Describes the ROM monitor (bootstrap program), how to recover

an enable password, and how to recover software images.

Appendix C Configuration Register Describes the configuration register 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.

[ ] Optional keywords or arguments appear in square brackets.

{x | y | z} A choice of required keywords appears in braces separated by vertical bars. You must select one.

screen font

boldface screen

font

< > Nonprinting characters, for example passwords, appear in angle brackets in contexts where italics are

[ ] Default responses to system prompts appear in square brackets.

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Examples of information displayed on the screen.

Examples of information you must enter.

not available.

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Preface

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

manual.

Timesaver Means the 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 Means reader 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, see the Cisco 2600 Series, Cisco 3600 Series, and Cisco 3700 Series

Regulatory Compliance and Safety Information document that accompanied your router.

Warning

Waarschuwing

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.

SAVE THESE INSTRUCTIONS

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.

Statement 1071

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BEWAAR DEZE INSTRUCTIES

Cisco 3700 Series Routers Hardware Installation Guide

Safety Warnings

Preface

Varoitus

Attention

Warnung

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

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-vous avec 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-vous au numéro de l'instruction situé à la fin de chaque avertissement.

CONSERVEZ CES INFORMATIONS

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.

Avvertenza

Advarsel

BEWAHREN SIE DIESE HINWEISE GUT AUF.

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

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

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Safety Warnings

Aviso

¡Advertencia!

Varning!

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-se com 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

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

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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Safety Warnings

Preface

Aviso

Advarsel

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-se com 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

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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Safety Warnings

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Obtaining Documentation

Cisco documentation and additional literature are available on Cisco.com. Cisco also provides several ways to obtain 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 at this URL:

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

You can access the Cisco website at this URL:

http://www.cisco.com

You can access international Cisco websites at this URL:

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

Preface

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 Ordering tool:

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 408 526-7208 or, elsewhere in North America, by calling 1 800 553-NETS (6387).

Documentation Feedback

You can send comments about technical documentation to bug-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.

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Preface

Obtaining Technical Assistance

For all customers, partners, resellers, and distributors who hold valid Cisco service contracts, Cisco Technical Support provides 24-hour-a-day, award-winning technical assistance. The Cisco Technical Support Website on Cisco.com features extensive online support resources. In addition, Cisco Technical Assistance Center (TAC) engineers provide telephone support. If you do not hold a valid Cisco service contract, contact your reseller.

Cisco Technical Support Website

The Cisco Technical Support Website provides online documents and tools for troubleshooting and resolving technical issues with Cisco products and technologies. The website is available 24 hours a day, 365 days a year, at this URL:

http://www.cisco.com/techsupport

Access to all tools on the Cisco Technical Support Website requires a Cisco.com user ID and password. If you have a valid service contract but do not have a user ID or password, you can register at this URL:

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

Obtaining Technical Assistance

Note Use the Cisco Product Identification (CPI) tool to locate your product serial number before submitting

a web or phone request for service. You can access the CPI tool from the Cisco Technical Support Website by clicking the Tools & Resources link under Documentation & Tools. Choose Cisco Product

Identification Tool from the Alphabetical Index drop-down list, or click the Cisco Product Identification Tool link under Alerts & RMAs. The CPI tool offers three search options: by product ID

or model name; by tree view; or for certain products, by copying and pasting show command output. Search results show an illustration of your product with the serial number label location highlighted. Locate the serial number label on your product and record the information before placing a service call.

Submitting a Service Request

Using the online TAC Service Request Tool is the fastest way to open S3 and S4 service requests. (S3 and S4 service requests are those in which your network is minimally impaired or for which you require product information.) After you describe your situation, the TAC Service Request Tool provides recommended solutions. If your issue is not resolved using the recommended resources, your service request is assigned to a Cisco TAC engineer. The TAC Service Request Tool is located at this URL:

http://www.cisco.com/techsupport/servicerequest

For S1 or S2 service requests or if you do not have Internet access, contact the Cisco TAC by telephone. (S1 or S2 service requests are those in which your production network is down or severely degraded.) Cisco TAC engineers are assigned immediately to S1 and S2 service requests to help keep your business operations running smoothly.

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

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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 list of Cisco TAC contacts, go to this URL:

http://www.cisco.com/techsupport/contacts

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Obtaining Additional Publications and Information

Definitions of Service Request Severity

To ensure that all service requests are reported in a standard format, Cisco has established severity definitions.

Severity 1 (S1)—Your network 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.

Severity 2 (S2)—Operation of 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 commit full-time resources during normal business hours to resolve the situation.

Severity 3 (S3)—Operational performance 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.

Severity 4 (S4)—You require information or assistance with Cisco product capabilities, installation, or configuration. There is little or no effect on your business operations.

Obtaining Additional Publications and Information

Preface

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

• Cisco Marketplace provides a variety of Cisco books, reference guides, and logo merchandise. Visit

Cisco Marketplace, the company store, at this URL:

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

• 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://cisco.com/univercd/cc/td/doc/pcat/

• Cisco Press publishes a wide range of general networking, training and certification titles. Both new

and experienced users will benefit from these publications. For current Cisco Press titles and other information, go to Cisco Press at this URL:

http://www.ciscopress.com

• Packet magazine is the Cisco Systems technical user magazine for maximizing Internet and

networking investments. Each quarter, Packet delivers coverage of the latest industry trends, technology breakthroughs, and Cisco products and solutions, as well as network deployment and troubleshooting tips, configuration examples, customer case studies, certification and training information, and links to scores of in-depth online resources. You can access Packet magazine at this URL:

http://www.cisco.com/packet

• iQ Magazine is the quarterly publication from Cisco Systems designed to help growing companies

learn how they can use technology to increase revenue, streamline their business, and expand services. The publication identifies the challenges facing these companies and the technologies to help solve them, using real-world case studies and business strategies to help readers make sound technology investment decisions. You can access iQ Magazine at this URL:

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

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Obtaining Additional Publications and Information

• 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/ipj

• World-class networking training is available from Cisco. You can view current offerings at

this URL:

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

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Preface

Cisco 3700 Series Routers Hardware Installation Guide

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CHAPTER

Overview of Cisco 3700 Series Routers

Cisco 3700 series routers are modular access routers with LAN and WAN connections that can be configured by means of interchangeable network modules and interface cards.

This chapter describes the features and specifications of the routers and includes the following sections:

• Hardware Features, page 1-1

• Modules, Interface Cards, and Memory, page 1-3

• Memory, page 1-4

• Interface Numbering, page 1-5

• Power Supply Options, page 1-9

• System Specifications, page 1-11

• Regulatory Compliance, page 1-12

Hardware Features

Cisco 3700 series includes the Cisco 3725 and the Cisco 3745 routers, which provide the following features:

• Cisco 3700 CompactFlash memory cards

• Advanced integration module (AIM) slots

• Support for double-wide network modules

• Two sockets for synchronized DRAM (SDRAM)

• User-configurable memory (shared memory or processor memory)

• Two Fast Ethernet ports

• High-speed console and auxiliary ports (up to 115.2 kbps)

Cisco 3725

Cisco 3725 routers include the following additional features:

• High-performance 240-MHz Reduced Instruction Set Computer (RISC) processor

• Up to 256 MB SDRAM

• Up to 128 MB CompactFlash memory

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Hardware Features

Chapter 1 Overview of Cisco 3700 Series Routers

• Two slots for network modules, one of which can accommodate a double-wide network module

• Three interface card slots

• Two Cisco 3700 CompactFlash slots (one external and one internal)

• Two AIM slots

• Installation in a 19- or 23-inch rack or on a desk

• Support for Cisco Redundant Power System

• 2-rack unit (RU) chassis height

Figure 1-1 shows the rear panel of the Cisco 3725 router.

Figure 1-1 Rear Panel of the Cisco 3725 Router

1 3

Cisco 3745

NM-HDV

BANK 4

BANK 3

P 2 M

F T

BANK 2

BANK 1

BANK 0

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SEE MANUAL BEFORE INSTALLATION

DSU

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SEE MANUAL BEFORE INSTALLATION

DSU 56K

SEE MANUAL BEFORE INSTALLATION

1 Double-wide network module slot 6 CompactFlash memory card slot 2 Interface card slots 7 Fast Ethernet 0/0 port 3 Power supply 8 Fast Ethernet 0/1 port 4 Auxiliary port 9 Single-wide network module slot 5 Console port

Cisco 3745 routers include the following additional features:

• High-performance 350-MHz RISC processor

• Up to 256 MB SDRAM

62691

1-2

• Up to 128 MB CompactFlash memory

• Four slots for network modules that can accommodate up to two double-wide network modules

• Three interface card slots

• Two Cisco 3700 CompactFlash memory card slots (one external and one internal)

• Two AIM slots

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Chapter 1 Overview of Cisco 3700 Series Routers

• Installation in a 19- or 23-inch rack or on a desk

• Support for Cisco Redundant Power System

• 3-rack unit (RU) chassis height

Figure 1-2 shows the rear panel of the Cisco 3745 router.

Figure 1-2 Rear Panel of the Cisco 3745 Router

C O

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1 Interface card slots 6 Cisco 3700 CompactFlash memory card slot 2 Network modules 7 Auxiliary port 3 Power supply 8 Console port 4 Fast Ethernet 0/0 port 9 Power supply 5 Fast Ethernet 0/1 port 10 Network modules

Modules, Interface Cards, and Memory

• For information on installing network modules, see 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, see 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, see the following documents:

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

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

Series Routers

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Memory

Chapter 1 Overview of Cisco 3700 Series Routers

For information on installing DRAM, SDRAM, NVRAM, and CompactFlash memory, see:

• Upgrading System Memory in Cisco 3700 Series Routers

• Installing Field-Replaceable Units in Cisco 3745 Routers

For information on installing CompactFlash memory cards, see:

• Installing and Formatting Cisco 2691, Cisco 3631, and Cisco 3700 CompactFlash Memory Cards

Cisco 3700 series routers support the following types of memory:

• SDRAM—Stores the running configuration and routing tables and is used for packet buffering by

the network interfaces. Cisco IOS software executes from SDRAM memory.

• NVRAM—Stores the system configuration file and virtual configuration register. For more

information, see Appendix C, “Configuration Register.” CompactFlash memory—Stores the operating system software image. You can increase CompactFlash memory by adding Cisco 3700 CompactFlash memory cards. See the Installing and Formatting Cisco 3631 and Cisco 3700

CompactFlash Memory Cards document.

• EPROM-based memory—Stores the ROM monitor, which allows you to boot an operating system

software image from internal or external CompactFlash memory.

Table 1-1 and Ta b le 1 -2 list processor and memory specifications for Cisco 3700 series routers.

Table 1-1 Cisco 3725 Router Processor and Memory Specifications

Description Specification

Processor 240-MHz PMC-Sierra RM7061A RISC processor

SDRAM 128–256 MB

NVRAM 56 KB

CompactFlash 32, 64, or 128 MB

Boot ROM 512 KB

Table 1-2 Cisco 3745 Router Processor and Memory Specifications

Description Specification

Processor 350-MHz PMC-Sierra RM7000A RISC processor

SDRAM 128–256 MB

NVRAM 152 KB

CompactFlash 32, 64, or 128 MB

Boot ROM 704 KB

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Chapter 1 Overview of Cisco 3700 Series Routers

Interface Numbering

This section describes numbering conventions for interfaces on Cisco 3725 and Cisco 3745 routers.

Cisco 3725 Interfaces

Each individual interface (port) on a Cisco 3725 router is identified by number, as described in the following sections.

WAN and LAN Interface Numbering

The Cisco 3725 router chassis contains the following WAN and LAN interface types:

• Two built-in Fast Ethernet LAN interfaces

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

• One single-wide slot (slot 1) in which you can install one network module

• One double-wide slot (slot 2) in which you can install one single-wide or double-wide network

module

The numbering format is interface-type slot-number/interface-number. Two examples are:

Interface Numbering

• FastEthernet 0/0

• Serial 1/2

The slot numbers are as follows:

• 0 for all built-in interfaces

• 0 for all WIC interfaces

• 1 for interfaces in the single-wide network module slot

• 2 for interfaces in the double-wide 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 1-3 shows an example of interface numbering on a Cisco 3725 router with these interfaces:

• A WIC in each WIC slot (containing interfaces Serial 0/0 and Serial 0/1 in physical slot W0,

interface Serial 0/2 in physical slot W1, and interface BRI 0/0 in physical slot W2)

• A 2-port T1 network module in slot 1 (containing the following ports: T1 1/0 and T1 1/1)

• A 36-port EtherSwitch network module in slot 2 (containing the following ports: Fast Ethernet 2/0

through 2/35, and Gigabit Ethernet 2/0 and 2/1)

• Two built-in Ethernet 10/100-Mbps interfaces—Fast Ethernet 0/0 and Fast Ethernet 0/1

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Interface Numbering

Chapter 1 Overview of Cisco 3700 Series Routers

Figure 1-3 WAN and LAN Interface Numbering

Gigabit Ethernet 2/1

Fast Ethernet 2/35

Fast Ethernet 2/17

NM-HDV

BANK 4

BANK 3

BANK 2

BANK 1

BANK 0

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Fast Ethernet 0/0

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Fast Ethernet 2/18

Fast Ethernet 2/0

DSU

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Compact

Flash slot

Gigabit Ethernet 2/0

DSU 56K

SEE MANUAL BEFORE INSTALLATION

Serial 0/2

56482

Serial 0/1 Serial 0/0

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 as follows:

• If slot W0 is empty and slot W1 contains a 1-port serial WIC, the serial interface in the WIC is

numbered Serial 0/0.

• If slot W0 contains a 2-port serial WIC and slot W1 contains a 1-port serial WIC, the serial interfaces

in physical slot W0 are numbered Serial 0/0 and Serial 0/1, and the serial interface in physical slot W1 is numbered Serial 0/2.

• If slot W0 contains a 2-port serial WIC and slot W1 contains a 1-port BRI WIC, the serial interfaces

in physical slot W0 are numbered Serial 0/0 and Serial 0/1, and the BRI interface in physical slot W1 is numbered BRI 0/0.

Voice Interface Numbering

Voice interfaces are numbered as follows:

chassis-slot/voice-module-slot/voice-interface

If a 4-channel voice network module is installed in chassis slot 1, the voice interfaces are:

• 1/0/0—Chassis slot 1/Voice module slot 0/Voice interface 0

• 1/0/1—Chassis slot 1/Voice module slot 0/Voice interface 1

• 1/1/0—Chassis slot 1/Voice module slot 1/Voice interface 0

• 1/1/1—Chassis slot 1/Voice module slot 1/Voice interface 1

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Chapter 1 Overview of Cisco 3700 Series Routers

Cisco 3745 Interfaces

Each individual interface (port) on a Cisco 3745 router is identified by number as described in the following sections.

WAN and LAN Interface Numbering

The Cisco 3745 router chassis contains the following WAN and LAN interface types:

• Two built-in FastEthernet LAN interfaces

• Three slots in which you can install WAN or voice interface cards

• Four network module slots

The numbering format is interface-type slot-number/interface-number. Two examples are:

• FastEthernet 0/0

• Serial 1/2

The slot numbers are as follows:

Interface Numbering

• 0 for all built-in interfaces

• 0 for all WIC interfaces

• 1 for the lower-right network module slot

• 2 for the lower-left network module slot

• 3 for the upper-right network module slot

• 4 for the upper-left network module slot

If double-wide network modules are installed, the network module slots are numbered as follows:

• 2 for the lower double-wide slot

• 4 for the upper double-wide slot

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

Figure 1-4 shows the rear panel of the Cisco 3745 with:

• A WIC in each of the three WAN interface card slots

• A single-wide network module in each of the four network module slots

• Two AC power supplies

The slot number for all WIC interfaces is always 0. (The W0, W1, and W2 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:

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

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

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

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Interface Numbering

Figure 1-4 Cisco 3745 Rear Panel

0 S E

A LL

E E

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F O

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I N

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Chapter 1 Overview of Cisco 3700 Series Routers

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Voice Interface Numbering

Voice interfaces are numbered differently from the WAN interfaces described in the previous section. Voice interfaces are numbered as follows:

network-module-slot/voice-module-slot/voice-interface

If a 4-channel voice network module is installed in chassis slot 1, the voice interfaces are:

• 1/0/0—Network module slot 1/Voice module slot 0/Voice interface 0

• 1/0/1—Network module slot 1/Voice module slot 0/Voice interface 1

• 1/1/0—Network module slot 1/Voice module slot 1/Voice interface 0

• 1/1/1—Network module slot 1/Voice module slot 1/Voice interface 1

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Chapter 1 Overview of Cisco 3700 Series Routers

Power Supply Options

Table 1-3 lists the power supply options supported by Cisco 3700 series routers. Depending on the

configuration specified when you placed your order, your router may not support all of these options.

Table 1-3 Power Supply Options for Cisco 3700 Series Routers

Power Supply Option Cisco 3725 Cisco 3745

AC input power Yes Yes

DC input power Yes Yes

–48-V telephony power module to provide inline power to IP phones Yes Yes

Dual hot-swappable power supplies No Yes

Compatible with Cisco Redundant Power System Yes Yes

1. Because of increased power consumption in high-temperature environments, a fully loaded Cisco 3745 router requires both power supplies when ambient temperature exceeds 104°F (40°C). Cisco 3745 routers operating under these conditions do not support the online replacement of power supplies.

Power Supply Options

Internal –48 V Telephony Power Modules

Cisco 3700 series routers provide inline power to IP phones connected to the router through Ethernet switch network modules. This power is supplied by special –48 V modules that connect directly to the chassis power supplies in Cisco 3725 and Cisco 3745 routers. A single –48 V power module meets the power needs of up to 36 IP phones. A Cisco 3745 router with two –48 V power modules installed provides redundant power for up to 36 IP phones. Figure 1-5 and Figure 1-6 show the –48 -V power modules as they appear when installed in Cisco 3700 series routers.

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Power Supply Options

Chapter 1 Overview of Cisco 3700 Series Routers

Figure 1-5 Cisco 3725 Router with Optional –48 V Power Module Installed

72086

power module

48V

power module

Figure 1-6 Cisco 3745 Router with Optional –48 V Power Modules Installed

48V power modules

72085

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Chapter 1 Overview of Cisco 3700 Series Routers

System Specifications

Table 1-4 and Ta b le 1 -5 list Cisco 3700 series system specifications.

Table 1-4 Cisco 3725 Router System Specifications

Description Specification

Dimensions (H x W x D) 3.5 x 17.1 x 15.0 in. (8.9 x 43.4 x 38.1 cm), 2-RU chassis height

Weight 14 lb (6.4 kg)

Input voltage, AC power supply Frequency Input surge current (AC)

Input rating, DC power supply

Input surge current (DC)

Power dissipation 135 W (maximum)

Heat Dissipation 135W Maximum 460.661 BTU/hour, 495W Maximum 1689.089

Console and auxiliary ports RJ-45 connector

Operating humidity 5–95%, noncondensing

Operating temperature 32–104° F (0–40° C)

Nonoperating temperature –40 to 162° F (–40 to 72° C)

Noise level 52 dBA (maximum)

Regulatory compliance FCC Part 15 Class A.

System Specifications

100 to 240 VAC, autoranging 47–63 Hz 50 A maximum, one cycle (–48-V power module included)

24–36 VDC, 9 A, positive or negative, operational from 18–36 VDC

36–60 VDC, 4 A, positive or negative, operational from 36–72 VDC

50 A, < 10 ms

BTU/hour

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For additional compliance information, see 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

Table 1-5 Cisco 3745 Router System Specifications

Description Specification

Dimensions (H x W x D) 5.25 x 17.25 x 15.00 in. (13.3 x 43.8 x 38.1 cm), 3-RU chassis height

Weight 32 lb (14.5 kg), including chassis and four network modules

Input voltage, AC power supply Frequency Input surge current (AC)

Input rating, DC power supply Operational between Input surge current (DC)

100–240 VAC, autoranging 47–63 Hz 80 A maximum, one cycle (–48-V power module included)

–48 to –60 VDC, 10 A maximum –38 to –75 VDC, 10 A maximum 50 A, < 10 ms

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Regulatory Compliance

Chapter 1 Overview of Cisco 3700 Series Routers

Table 1-5 Cisco 3745 Router System Specifications (continued)

Description Specification

Power dissipation 230 W (maximum)

Heat Dissipation 230W Maximum 784.829 BTU/hour, 590W Maximum 2013.257

BTU/hour

Console and auxiliary ports RJ-45 connector

Operating humidity 5–95%, noncondensing

Operating temperature 32–104° F (0–40° C)

Nonoperating temperature –40 to 162° F (–40 to 72° C)

Noise level 60 dBA (maximum)

Regulatory compliance FCC Part 15 Class A.

For additional compliance information, see 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

1. Because of increased power consumption in high-temperature environments, a fully loaded Cisco 3745 router requires both power supplies when ambient temperature exceeds 104°F (40°C).

Regulatory Compliance

For compliance information, see the Cisco 2600 Series, Cisco 3600 Series, and Cisco 3700 Series

Regulatory Compliance and Safety Information document that accompanied the router.

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CHAPTER

Preparing to Install the Router

This chapter describes site requirements and equipment needed to install your Cisco 3700 series router. It includes the following sections:

• Safety Recommendations, page 2-1

• General Site Requirements, page 2-3

• Installation Checklist, page 2-5

• Creating a Site Log, page 2-6

• Inspecting the Router, page 2-6

• Required Tools and Equipment for Installation and Maintenance, page 2-7

• Console and Auxiliary Port Considerations, page 2-8

• Preparing to Connect to a Network, page 2-9

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-free during 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.

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Safety Recommendations

Safety with Electricity

Follow these guidelines when working on equipment powered by electricity:

Chapter 2 Preparing to Install the Router

Warning

Read the installation instructions before connecting the system to the power source.

• Locate the emergency power-off switch in the room in which you are working. Then, if an electrical

Statement 1004

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-preventive wrist 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.

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Chapter 2 Preparing to Install the Router

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).

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.

General Site Requirements

Warning

Table 2-1 Power Requirements for Cisco 3700 Series Routers

Router Power Supply Input Power Input Voltage

Cisco 3725 AC 100–240 VAC, 10.0 A, 50–60 Hz 85–264 VAC

Cisco 3745 AC 100–240 VAC, 10.0 A, 50–60 Hz 85–264 VAC

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

The AC power supply includes the following features:

• It autoselects either 110 V or 220 V operation.

• 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 lists power requirements for Cisco 3700 series routers.

DC, nominal 24/48 VDC 24–36 VDC, 9 A, positive or negative input,

single or dual sources

36–60 VDC, 4 A, positive or negative input, single or dual sources

DC, nominal 24/48 VDC 24–36 VDC, 15 A, positive or negative input 18–72 VDC

36–60 VDC, 7 A, positive or negative input

DC, nominal 48 VDC 48–60 VDC, 10 A, positive or negative input 38–72 VDC

Statement 1007

18–72 VDC

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General Site Requirements

Site Environment

Cisco 3700 series routers can be placed on a desktop or installed in a rack. The location of your router and the layout of your equipment rack or wiring room are extremely important considerations 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 an unusually high number of 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:

Chapter 2 Preparing to Install the Router

• Ensure that the room where your router operates has adequate circulation. Electrical equipment

• Always follow ESD-prevention procedures described in the “Preventing Electrostatic Discharge

• Ensure that the chassis cover or mainboard tray and module rear panels are secure. All empty

Equipment Racks

Cisco 3700 series routers include brackets for use with a 19-inch rack or, if specified in your order, optional larger brackets for use with a 23-inch rack.

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

generates heat. Without adequate circulation, ambient air temperature may not cool equipment to acceptable operating temperatures.

Damage” section on page 2-2 to avoid damage to equipment. Damage from static discharge can

cause immediate or intermittent equipment failure.

network module slots, interface card slots, and power supply bays 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.

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.

2-4

• 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.

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Chapter 2 Preparing to Install the Router

• 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 down other equipment in the rack (and in adjacent racks) to allow the router being tested a maximum of cooling air and clean power.

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_______________________________________________________

Installation Checklist

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

Router quick start guide 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) available

Signal distance limits verified

Startup sequence steps completed

Initial operation verified

Software image verified

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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 information:

• Installation progress—Make a copy of the installation checklist and insert it into the site log. Make

entries as each procedure is completed.

• Upgrade and maintenance procedures—Use the 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

Chapter 2 Preparing to Install the Router

–

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

• Rack-mount brackets

• Ground lug

• Cable guides (for Cisco 3725 routers)

• RJ-45-to-DB-9 adapter cable

• RJ-45-to-DB-25 adapter cable

• Optional equipment (such as network connection cables or additional rack-mount brackets)

• Cisco 3725 Router Quick Start Guide, if applicable

2-6

• Cisco 3745 Router Quick Start Guide, if applicable

• Cisco 2600 Series, Cisco 3600 Series, and Cisco 3700 Series Regulatory Compliance and Safety

Information document

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.

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Chapter 2 Preparing to Install the Router

Required Tools and Equipment for Installation and Maintenance

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

• ESD-preventive cord and wrist strap

• Number 2 Phillips screwdriver

• Flat-blade screwdrivers: small, about 3/16-in. (0.5 cm) and medium, about 1/4-in. (0.6-cm)

–

To install or remove modules

–

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

• Screws that fit your rack

• Wire crimper

• AWG 6 (1 3 m m

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)

) wire to connect the router chassis to earth ground

Note For more information on cable specifications, see the online document Cisco Modular

Access Router Cable Specifications located on Cisco.com.

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

• Console terminal (an ASCII terminal or a PC running terminal emulation software) configured for

9600 bps, 8 data bits, no parity, and 2 stop bits

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

• Token Ring media attachment unit (MAU) for any Token Ring interfaces installed in your router

• Data service unit (DSU) or channel service unit/data service unit (CSU/DSU) as appropriate for

serial interfaces

• External CSU for any CT1/PRI modules without a built-in CSU

• NT1 device for ISDN BRI S/T interfaces (if not supplied by your service provider)

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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 connected to the console port, or remotely using a modem connected to the auxiliary port. This section discusses important cabling information to consider before connecting the router to a console terminal or modem.

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-speed transmissions of a modem. Console terminals send data 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-232 asynchronous serial console port (RJ-45). Depending on the cable and the adapter used, this port will appear 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-45 to DB-9 adapter cable.

Chapter 2 Preparing to Install the Router

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

The default parameters for the console port are 9600 bps, 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, see the “Connecting to a Console Terminal or Modem” section on page 3-22.

For cable and port pinouts, see the document Cisco Modular Access Router Cable Specifications on Cisco.com.

Auxiliary Port Connections

The router has an EIA/TIA-232 asynchronous serial auxiliary port (RJ-45) that supports flow control. Depending on the cable and the adapter used, this port will appear 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-25 adapter cable.

For detailed information about connecting devices to the auxiliary port, see the “Connecting to a Console

Terminal or Modem” section on page 3-22.

For cable and port pinouts, see the document Cisco Modular Access Router Cable Specifications on Cisco.com.

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Chapter 2 Preparing to Install the Router

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 2-9

• Token Ring Connections, page 2-10

• Serial Connections, page 2-10

• ISDN BRI Connections, page 2-12

• 56-K/Switched-56-kbps DSU/CSU Connections, page 2-13

See 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

Preparing to Connect to a Network

Warning

To avoid electric shock, do not connect safety extra-low voltage (SELV) circuits to telephone-network voltage (TNV) circuits. LAN ports contain SELV circuits, and WAN ports contain TNV circuits. Some LAN and WAN ports both use RJ-45 connectors.

Ethernet Connections

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

• 100BASE-T—2-pair Category 5 or unshielded twisted-pair (UTP) straight-through RJ-45 cable.

• 10BASE-2—Ethernet on thin coaxial cable, also known as thin Ethernet. The maximum segment

distance is 607 feet (186 meters).

• 10BASE-5—Ethernet on thick coaxial cable, also known as thick Ethernet. The maximum segment

distance is 1,640 feet (500 meters).

• 10BASE-T—Ethernet on unshielded twisted-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.

See the Cisco Modular Access Router Cable Specifications document for information about Ethernet cables, connectors, and pinouts. This document is available on Cisco.com.

Statement 1021

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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 shielded RJ-45 Token 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. See the section “Token Ring Port Pinouts” in the Cisco Modular Access Router Cable Specifications document for Token Ring port pinouts. This document is available on Cisco.com.

Serial Connections

Chapter 2 Preparing to Install the Router

Serial connections are provided by WAN interface cards and network modules. For more information on WAN interface cards, see the Cisco Interface Cards Installation Guide. For more information on network modules, see the Cisco Network Modules Hardware Installation Guide. These documents are available on Cisco.com.

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)—that

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-60 connectors. 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 a 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.) Tab le 2-2 lists typical DTW and DCE devices.

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Chapter 2 Preparing to Install the Router

Table 2-2 Typical DTE and DCE Devices

Device Type Gender Typical Devices

DTE Male

DCE Female

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, and EIA-530. You can order a Cisco DB-60 shielded 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 a DB-60 connector, which connects to the DB-60 port 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.

Preparing to Connect to a Network

Termin a l

Modem

CSU/DSU

Multiplexer

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 xvii.

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-60 serial connector), cable pinouts are provided in the Cisco 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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Preparing to Connect to a Network

Table 2-3 Serial Signal Transmission Speeds and Distances

Chapter 2 Preparing to Install the Router

Rate (bps)

EIA/TIA-232 Distance

Feet Meters Feet Meters

EIA/TIA-449, X.21, V.35, EIA-530 Distance

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-449 signals to travel greater distances than EIA/TIA-232 signals. The recommended distance limits for EIA/TIA-449 shown in Table 2-3 are also valid for V.35, X.21, and EIA-530. Typically, EIA/TIA-449 and EIA-530 can support 2-Mbps rates, and V.35 can support 4-Mbps rates.

Asynchronous/Synchronous Serial Module Data Rates

The following data-rate limitations apply to the slow-speed serial interfaces found in the asynchronous/synchronous serial modules:

• Asynchronous interface—Maximum data rate is 115.2 kbps.

• Synchronous interface—Maximum data rate is 128-kbps full 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 Termination 1 (NT1), or a U interface that has a built-in NT1.

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.

Use a BRI cable (not included) to connect the BRI WAN interface card directly to an ISDN. Tab le 2-4 lists the specifications for ISDN BRI cables. See the Cisco Modular Access Router Cable Specifications online document for pinouts. This document is available on Cisco.com.

Statement 1026

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Chapter 2 Preparing to Install the Router

Table 2-4 ISDN BRI Cable Specifications

Specification High-Capacitance Cable Low-Capacitance Cable

Resistance (at 96 kHz) 160 ohms/km 160 ohms/km

Capacitance (at 1 kHz) 120 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, see the Cisco Interface Cards Installation Guide online document. This document is located on Cisco.com and the Documentation CD-ROM.

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

Preparing to Connect to a Network

30 nF/km

Switched-56-kbps connections are provided by the 56-kbps CSU/DSU WAN interface card.

For more information on switched-56-kbps WAN interface cards, see the Cisco Interface Cards

Installation Guide document on Cisco.com.

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Preparing to Connect to a Network

Chapter 2 Preparing to Install the Router

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CHAPTER

Installing the Router

This chapter describes how to install your Cisco 3700 series router and connect it to networks and external devices. It includes the following sections:

• Installing Modules, Interface Cards, and Power Supplies, page 3-1

• Setting Up the Chassis, page 3-2

• Installing the Chassis Ground Connection, page 3-8

• Power Connections, page 3-11

• Connecting WAN, LAN, and Voice Cables, page 3-20

• Connecting to a Console Terminal or Modem, page 3-22

• Powering Up the Router, page 3-26

• Configuring the Router, page 3-29

Warning

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

Statement 1030

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

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, see 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

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Setting Up the Chassis

Chapter 3 Installing the Router

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:

• Quick Start Guide: Advanced Integration Module Installation in Cisco 2600 Series, Cisco 3600

Series, and Cisco 3700 Series Routers

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

Series Routers

For internal power supplies:

• Installing Field-Replaceable Units in Cisco 3745 Routers

• Installing AC Power Supplies in Cisco 3725 Routers

For external power supplies:

• Cisco RPS Hardware Installation Guide

For –48 V telephony power modules:

• Installing Cisco -48 VDC Power Supplies

Note If modules, interface cards, or power supplies need 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 3745 accommodates two AC or two DC hot-swappable power supplies in bays at the rear of

the unit. Each unit provides up to 230 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. Either power supply can be removed without affecting system operation.

If the required network modules, interface cards, and power supplies are already installed, proceed to the “Setting Up the Chassis” section on page 3-2.

Setting Up the Chassis

You can set the chassis on a desktop or install it in a rack. Select the procedure that best meets the needs of your network. These procedures are described in the following sections:

• Setting the Chassis on a Desktop, page 3-2

• Rack-Mounting the Chassis, page 3-3

Setting the Chassis on a Desktop

You can place Cisco 3700 series routers on a desktop or shelf.

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Chapter 3 Installing the Router

Setting Up the Chassis

Warning

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

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.

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 the Chassis Ground Connection” section on

page 3-8.

Rack-Mounting the Chassis

If you are planning to rack-mount the router, do so before making network and power connections. If you need to install network modules or interface cards, you can do so either before or after rack-mounting the router. Ideally, you would install modules and interface cards when you have the best access to the rear panel of the router.

Note The Cisco 3725 requires additional clearance on the left side (as viewed from the front of the chassis) to

accommodate cooling fans. This clearance is provided through the use of special brackets. Be sure to install the wide bracket (marked right) on the side of the chassis with the cooling fans.

Statement 1032

The Cisco 3725 router is shipped with rack-mounting brackets for 19-inch racks. (See Figure 3-1.)

Figure 3-1 Rack-Mounting Brackets for Cisco 3725 Router

Slots for cable tie attachment

LEFT

RIGHT

Narrow bracket for

chassis side opposite fans

The Cisco 3745 router is shipped with rack-mounting brackets for 19-inch racks. (See Figure 3-2.) You can order optional bracket for 23-inch rack-mounting. (See Figure 3-3.)

Wide bracket for

chassis side with fans

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Setting Up the Chassis

Chapter 3 Installing the Router

Figure 3-2 Cisco 3745 Router—Brackets for 19-Inch Rack

62892

Figure 3-3 Cisco 3745 Router—Brackets for 23-Inch Rack

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Attaching Brackets to the Cisco 3725 Router

You can rack-mount a Cisco 3725 router with either the front or the rear of the chassis facing forward. See Figure 3-4 through Figure 3-7 for bracket installation instructions.

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

Figure 3-4 and Figure 3-5 show the front-panel-forward bracket attachment locations.

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Chapter 3 Installing the Router

Figure 3-4 Cisco 3725 Router Bracket Installation—Front Mount with Front Panel Forward

Setting Up the Chassis

LEFT

Left (narrow) bracket

RIGHT

82687

Use two screws on each side.

Figure 3-5 Cisco 3725 Router Bracket Installation

LEFT

Right (wide) bracket

—

Center Mount with Front Panel Forward

82685

RIGHT

Left (narrow) bracket

Use two screws on each side.

Right (wide) bracket

Note When installed in a rack with a 17.75-inch (45-cm) opening, the Cisco 3725 routers protrude beyond the

front of the rack.

OL-2180-08

Figure 3-6 and Figure 3-7 show the rear-panel-forward bracket attachment locations.

Figure 3-6 Cisco 3725 Router Bracket Installation—Center Mount with Rear Panel Forward

RIGHT

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Cisco 3700 Series Routers Hardware Installation Guide

3-5

Setting Up the Chassis

Figure 3-7 Cisco 3725 Router Bracket Installation—Rear Panel Forward

RIGHT

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Right (wide) bracket

Four screws are required on each side.

Attaching Brackets to the Cisco 3745 Router

You can rack-mount a Cisco 3745 router with either the front or the rear of the chassis facing forward. See Figure 3-8 through Figure 3-10 for bracket installation instructions.

Chapter 3 Installing the Router

SEE MANUAL BEFORE INSTALLATION

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SEE MANUAL BEFORE INSTALLATION

D SU 5 6

SEE MANUAL BEFORE INSTALLAT

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LEFT

82688

Left (narrow) bracket

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

Figure 3-8 Cisco 3745 Router Bracket Installation—Front Panel Forward

Cisco 3700

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Chapter 3 Installing the Router

Figure 3-9 Cisco 3745 Router Bracket Installation—Rear Panel Forward

BANK 3

Figure 3-10 Cisco 3745 Router Bracket Installation—Center-Mount Bracket

Setting Up the Chassis

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Mounting the Router in a Rack

The following orientations are possible for installing the router in a rack:

• Center mounting—Brackets attached in the center of the chassis with either the front panel or the

rear panel facing forward

• Front mounting—Brackets attached at the front of the chassis with the front panel facing forward

• Rear mounting—Brackets attached at the rear of the chassis with the rear panel facing forward

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Installing the Chassis Ground Connection

Chapter 3 Installing the Router

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

Statement 1032

Using screws that you provide, attach the chassis to the rack. (See Figure 3-11.)

Figure 3-11 Mounting the Chassis in a Rack (Typical)

Cisco 3700

Note:

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

page 3-8.

Installing the Chassis Ground Connection

All Cisco 3700 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-compliant grounding, use size AWG 6 (13 mm

accessory kit.

62735

) wire and the ground lug provided in the

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Chapter 3 Installing the Router

BAN

-H

Installing the Chassis Ground Connection

• For NEC-compliant grounding, use size AWG 14 (2 mm

user-supplied ring terminal.

• For EN/IEC 60950-compliant grounding, use size AWG 18 (1 mm

appropriate user-supplied ring terminal.

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

• Cisco 3725 Router Ground Connection, page 3-9

• Cisco 3745 Router Ground Connection, page 3-10

Cisco 3725 Router Ground Connection

To install the ground connection for a Cisco 3725 router, perform the following steps:

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

• For the NEBS ground lug—approximately 0.75 inch (20 mm)

• For user-provided ring terminal—as required 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 in Figure 3-12 or Figure 3-13. For a

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 10 in-lb (0.9 to 1.1 N-m).

) or larger wire and an appropriate

) or larger wire and an

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

Figure 3-12 NEBS-Compliant Ground Wire Connection on a Cisco 3725 Router Chassis

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DSU 56K

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Ground lug

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Installing the Chassis Ground Connection

Figure 3-13 Chassis Ground Connection Using Ring Terminal on a Cisco 3725 Chassis

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 3-11, the “Connecting WAN,

LAN, and Voice Cables” section on page 3-20, and the “Connecting to a Console Terminal or Modem” section on page 3-22.

Chapter 3 Installing the Router

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Cisco 3745 Router Ground Connection

To install the ground connection on a Cisco 3745 router, perform the following steps:

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

• For the NEBS ground lug—approximately 0.75 inch (20 mm)

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

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Figure 3-14 NEBS-Compliant Ground Wire Connection on a Cisco 3745 Router Chassis

Figure 3-15 Chassis Ground Connection Using Ring Terminal on a Cisco 3745 Router Chassis

Power Connections

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LAN, and Voice Cables” section on page 3-20, and the “Connecting to a Console Terminal or Modem” section on page 3-22.

Power Connections

This section explains how to connect AC or DC power to Cisco 3725 and Cisco 3745 routers. It covers the following topics:

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• Connecting Routers to AC Power, page 3-12

• Connecting Routers to a DC-Input Power Supply, page 3-12

• Connecting Routers to the Cisco Redundant Power System, page 3-20

Cisco 3700 Series Routers Hardware Installation Guide

3-11

Power Connections

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.

Chapter 3 Installing the Router

Warning

Caution To comply with Telcordia NEBS GR-1089-Core and EN 300386 requirements, you must use foil

AC connected units must have a permanent ground connection in addition to the power cable ground wire. NEBS-compliant grounding satisfies this requirement.

This product relies on the building’s installation for short-circuit (overcurrent) protection. Ensure that the protective device is rated not greater than: 15A, 120VAC (10A, 240VAC).

Statement 1005

twisted-pair cable that is properly grounded at both ends.

Connecting Routers to a DC-Input Power Supply

Warning

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

Statement 1003

Use copper conductors only.

Statement 1025

Statement 284

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

If your router has a DC-input power supply, follow the directions in this section for proper wiring. A router with a DC-input power supply has a terminal block for the DC 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 3725 Routers, page 3-12

• Wiring the DC-Input Power Supply in Cisco 3745 Routers, page 3-17

Wiring the DC-Input Power Supply in Cisco 3725 Routers

If your Cisco 3725 router has a DC-input power supply, follow the directions in this section for proper wiring.

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Chapter 3 Installing the Router

DC Wiring Requirements for Cisco 3725 Routers

Power Connections

Warning

Caution Dual sources with opposite-polarity grounding damage equipment.

This product relies on the building’s installation for short-circuit (overcurrent) protection. Ensure that the protective device is rated not greater than: 15A, 60VDC.

Statement 1005

A Cisco 3725 router with a DC-input power supply requires copper wire and crimp-type terminals for the power connections. Table 3-1 summarizes the wiring requirements.

Table 3-1 DC Wiring Requirements for Cisco 3725 Routers

DC Power Source DC Input

Nominal 24/48

VDC

24–36 VDC, 9 A, positive or negative, single source or dual

DC Input Wire Size

AWG 1 8 (1.0 mm

sources

36–60 VDC, 4 A, positive or negative, single source or dual

AWG 1 8 (1.0 mm

sources

1. The input voltage tolerance limits for DC power are 18 and 72 VDC.

Wiring Procedure for Cisco 3725 Routers

Safety Ground Wire Size Wire Terminal (Lug)

AWG 14

)

(2.0 mm2)

AWG 14

)

(2.0 mm2)

Molex part number 19193-0017, or equivalent

Overcurrent Protection

15 A maximum

To connect a Cisco 3725 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 the circuit-breaker switch in the OFF position.

Tip Secure all power cabling when installing this unit to avoid disturbing field-wiring connections.

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 number 19193-0009 and for AMP number 324159-0 terminals.

Step 3 Crimp the terminals to the power input and safety ground wires.

Warning

Step 4 Remove the plastic cover from the terminal block. Save it for reinstallation after you finish wiring. Step 5 Connect the DC power input wires to the terminal block as shown in Figure 3-16. To avoid interference

When stranded wiring is required, use approved wiring terminations, such as closed-loop or spade-type with upturned lugs. These terminations should be the appropriate size for the wires and should clamp both the insulation and conductor.

Statement 1002

with the on/off switch, organize the wires downward from the terminal block.

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Power Connections

Chapter 3 Installing the Router

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 ± 0.5 in-lb

(0.9 ± 0.05 N-m).

Figure 3-16 DC Power Connections

-DC, input A Return, input A Safety ground Return, input B

-DC, input B

A ++B

Terminal block

Negative DC input Positive DC input

Step 6 Install the plastic cover over the terminals. (See Figure 3-17.)

Return, input A +DC, input A Safety ground +DC, input B Return, input B

Terminal block

95967

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 Organize and secure the wires using cable ties as shown in Figure 3-17. Step 8 Turn on power to the DC circuit.

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Figure 3-17 DC Wire Routing and Attachment for Cisco 3725

BEFORE INSTALLATION

Power Connections

DSU

56K

SEE MANUAL BEFORE INSTALLATION

Plastic cover

88035

Cable tie

From DC power source

Approved Scenarios and Scenarios Not Approved for Dual DC Power Supply Configuration in Cisco 3725 Routers

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 (with respect to ground) and voltage (within 0.25 volts). Do not connect –DC grounded and +DC grounded dual sources to a Cisco 3725 router.

Caution Dual sources with opposite-polarity grounding can damage equipment.

In Figure 3-18, either the positive source terminal or the negative source terminal is tied to ground

Figure 3-18 Connecting to One Source Only—Source A or Source B

A-

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A+

B+

B-

A+

B+

B-

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Power Connections

Chapter 3 Installing the Router

In Figure 3-19, source A and source B share common negative terminal connections.

Figure 3-19 Connecting Source A and Source B with Common Negative Terminals

A-

A+

B+

B-

127039

In Figure 3-20, source A and source B share common positive terminal connections. This is allowed only if Va equals Vb (within 0.25 V).

Caution When connecting source A and source B with common positive terminals, if source A and source B

voltages are unequal by more than 0.25 V, the higher-voltage source can discharge into the lower-voltage source through the A- and B- input terminals. Excessive discharging currents through these terminals can cause one or both of the dual input DC power supply's internal A- or B- fuses to open, resulting in lack of redundancy or system failure. When source A and source B are within 0.25 V, discharge current is minimal.

Note When source A and source B are wired with common negative terminals, as in Figure 3-19, discharging

does not occur and there is no restriction requiring that source A and source B voltages be equal.

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Chapter 3 Installing the Router

A-

A+

B+

B-

A-

A+

B+

B-

Figure 3-20 Connecting Source A and Source B with Common Positive Terminals

Power Connections

Va voltage = Vb voltage (greater than 0.25 V)

Va voltage = Vb voltage (within 0.25 V)

A-

Caution In Figure 3-21, source A and source B are wired with opposite polarity grounds. Do not use this DC input

A+

B+

B-

A-

A+

B+

B-

127040

configuration.

Figure 3-21 Source A and Source B Wired with Opposite-Polarity Grounds

A-

A+

B+

B-

Wiring the DC-Input Power Supply in Cisco 3745 Routers

If your Cisco 3745 router has a DC-input power supply, follow the directions in this section for proper wiring.

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Power Connections

DC Wiring Requirements for Cisco 3745 Routers

A Cisco 3745 router with a DC-input power supply requires copper wire for the power connections.

Table 3-2 summarizes the wiring requirements.

Note Two types of DC input power supply can be installed in a Cisco 3745 router: power supplies rated at

24/48 VDC nominal input, and power supplies rated at 48 VDC nominal input. Tabl e 3-2 summarizes the wiring requirement for both power supplies.

Table 3-2 DC Wiring Requirements for Cisco 3745 Routers

Chapter 3 Installing the Router

DC Input Wire

Installed Power Supply DC Input

Nominal 24/48 VDC

Identified by the following printed

24–36 V, 15 A

Size

AWG 1 2 (3.0 mm

)

label:

36–60 V, 7AAWG 12 or 14

CISCO 3745

100-240V 50/60Hz 10A OR Input +/- 24-36 V 15 A 36-60 V 7 A

Nominal 48 VDC

Identified by the following printed

48–60 V, 10 A

(3.0 or 2.0 mm

AWG 14 or 16 (2.0 or 1.2 mm

label:

CISCO 3745

100-240V 50/60Hz, 10A OR 48-60V , 10A

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

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

Safety Ground Wire Size Wire Terminal (Lug)

AWG 1 2 (3.0 mm2), minimum

AWG 1 2

)

(3.0 mm2), minimum

AWG 1 4

)

(2.0 mm2), minimum

Amp/Tyco No. 52961 or equivalent

For AWG 12: Amp/Tyco No. 52961 or equivalent

For AWG 14: Molex No. 19099-0017 or equivalent

For AWG 14 or 16: Molex No. 19099-0017 or equivalent

Overcurrent Protection

20 A maximum

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 the circuit-breaker switch in the OFF position.

Tip Secure all power cabling when installing this unit to avoid disturbing field-wiring connections.

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 number 19073-0009 terminals and for AMP/Tyco number 52961 terminals.

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

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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.

Statement 1002

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.

Caution Do not overtorque the terminal block screws. The recommended torque is 8.0 ± 0.5 in-lb

Statement 239

(0.9 ± 0.05 N-m).

Figure 3-22 Terminal Block Connections for Negative Polarity DC Input Power in Cisco 3745 Router

Negative polarity input

0V (return)

Safety ground

88658

Figure 3-23 Terminal Block Connections for Positive Polarity DC Input Power in Cisco 3745 Router

0V (return)

Positive polarity input

Safety ground

88657

Step 6 Install the plastic cover over the terminal block.

Warning

Step 7 Secure the wires using cable ties.

Statement 117

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Connecting WAN, LAN, and Voice Cables

Step 8 If your router has a second power supply installed, repeat Step 1 through Step 7 for the second power

supply.

Step 9 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), see 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 xvi.

Connecting WAN, LAN, and Voice Cables

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

• “Ports and Cabling” section on page 3-20

Chapter 3 Installing the Router

• “Connection Procedures and Precautions” section on page 3-21

Note One or two Ethernet cables are typically provided with the router. Additional cables and transceivers can

be ordered from Cisco. For ordering information, see the Cisco Product Catalog at http://www.cisco.com/en/US/products/products_catalog_links_launch.html. For cable pinouts, see the

Cisco Modular Access Router Cable Specifications document available on Cisco.com.

Warning

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

Statement 1001

Ports and Cabling

Table 3-3 summarizes some typical WAN, LAN, and voice connections for Cisco 3700 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 xvi.

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Connecting WAN, LAN, and Voice Cables

Table 3-3 WAN, LAN, and Voice Connections

Port or Connection Port type, color Connection Cable

Fast Ethernet RJ-45, yellow, Ethernet hub Straight-through Ethernet

T1/E1 WAN RJ-48C/CA81A,

blue

Cisco serial 60-pin D-sub, blue CSU/DSU and serial network or

Cisco Smart Serial Cisco Smart

compact connector, blue

DSL

RJ-11C/CA11A, lavender

T1/E1 digital voice RJ-48C/CA81A,

tan

Analog voice FXS

Analog voice FXO

Analog voice E&M

BRI S/T WAN (external NT1)

BRI U WAN (built-in NT1)

RJ-11, gray Telephone, fax RJ-11

RJ-11, pink Central office, analog PBX RJ-11

RJ-11, brown Analog PBX RJ-11

RJ-45/CB-1D, orange

RJ-49C/CA-A11, red

CT1/PRI T1 External T1 CSU DB-15 T1 serial cable

CT1/PRI-CSU T1 RJ-48C/CA81A interface RJ-48 straight-through

CE1/PRI E1 E1 network DB-15 to BNC, DB-15 to DB-15, DB-15

56/64-kbps CSU/DSU 8-pin modular, blue RJ-48S interface RJ-48 straight-through

1. DSL = digital subscriber line.

2. FXS = foreign exchange station.

3. FXO = foreign exchange office.

4. E&M = ear and mouth.

T1 or E1 network RJ-48 T1/E1

Cisco serial transition cable that matches

equipment

CSU/DSU and serial network or equipment

For WIC-2T and WIC-2A/S only

the signaling protocol (EIA/TIA-232, EIA/TIA-449, V.35, X.21, or EIA/TIA-530) and the serial port operating mode (DTE or DCE).

See the Cisco Modular Access Router

Cable Specifications document for

information about selecting these cables.

Network demarcation device for

RJ-11

service provider’s DSL interface

Digital PBX RJ-48 T1/E1 cable

NT1 device or private integrated

RJ-45 straight-through

network exchange (PINX)

ISDN network RJ-48 straight-through

to twinax, or DB-15 to RJ-45

Connection Procedures and Precautions

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 so that cables do not intertwine.

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

if necessary.

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Connecting to a Console Terminal or Modem

• Install cable ties in accordance with site requirements.

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

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.

Note For information on identifying rollover cables, see the “Identifying a Rollover Cable” section on

page 3-25.

Chapter 3 Installing the Router

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 steps:

Step 1 Use the blue RJ-45-to-DB-9 console adapter cable to connect the router to a terminal. (See Figure 3-24

and Figure 3-25.)

For information about cable pinouts, see the online publication Cisco Modular Access Router Cable

Specifications, available online and on the Documentation CD-ROM.

Note On Cisco routers, the console port is color-coded blue.

Step 2 Configure your terminal or terminal emulation software for 9600 baud (default), 8 data bits, no parity,

and 2 stop bits.

Note Because hardware flow control is not possible on the console port, we do not recommend that

modems be connected to the console port. Modems should always be connected to the auxiliary port.

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Figure 3-24 Connecting a Console Terminal to a Cisco 3725 Router

NM-HDV

BANK 4

Connecting to a Console Terminal or Modem

V W

I C

P 2 M

BANK 3

BANK 2

BANK 1

BANK 0

T R

E F

E I N

S T

L R

SEE MANUAL BEFORE INSTALLATIO

DSU

56K

SEE MANUAL BEFORE INSTALLATION

DSU 56K

SEE MANUAL BEFORE INSTALLATION

Console port

connector (RJ-45)

72071

Laptop computer

Figure 3-25 Connecting a Console Terminal to a Cisco 3745 Router

Console port

connector

R I

A L

(RJ-45)

R I

A L

E E

A N

C B E

N I N

L A

I O

S E

A L

B E

F O

R E

I N

DSU

T A

L A

T I O

-H D

W I

C T

R L

A N

W I

- E

C T

R L

A N

A L

L P

N U

R E

F O

T A

E 1

A L

L P

D R E

N U

F O

T A

E 1

56K

E R

I A

L 1

E R

I A

L 0

C B E

N I N

T T A

L A

T I O

L V W

A N

P 2 M

F T

S E

A N

L R

B A

F O

S T

A L

V W 2 M

I C

F T

- E

S E

A N

L R

F O

S T

A L

Laptop computer

72068

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Connecting to a Console Terminal or Modem

Connecting to the Auxiliary Port

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

Step 1 Use the black RJ-45-to-DB-25 modem adapter cable to connect the router to a modem. (See Figure 3-26

and Figure 3-27.)

For information about cable pinouts, see the publication Cisco Modular Access Router Cable

Specifications on Cisco.com.

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.

Figure 3-26 Connecting a Modem to the Auxiliary Port on a Cisco 3725 Router

NM-HDV

A L

BANK 4

BANK 3

L P

F T

BANK 2

BANK 1

BANK 0

A L

E F

E I N

I O

SEE MANUAL BEFORE INSTALLATION

Chapter 3 Installing the Router

DSU

56K

SEE MANUAL BEFORE INSTALLATION

DSU 56K

SEE MANUAL BEFORE INSTALLATION

72070

AUX port

connector

(RJ-45)

Modem

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Chapter 3 Installing the Router

Figure 3-27 Connecting a Modem to the Auxiliary Port on a Cisco 3745 Router

AUX port

connector

(RJ-45)

Connecting to a Console Terminal or Modem

S E

A L

S E

A L

F O

N I N

I O

E E

A N

E F

I N

DSU

L L

T I

V W

2 M

C T

B A

V W

I C

2 M

B A

L R

O R

A L

D L R

E E

E F

O R

N S

A L

N K

56K

S E

I A

L 1

S E

I A

L 0

A L

N I N

L L

A T

I O

V W

C 2 M

E 1

C T

R L

V W

C 2 M

E 1

C T

R L

Modem

I C

A L

L P

S E

C D

A N

E I N

T A

I O

R E

A L

L P

S E

C D

A N

E IN

T A

R E

72069

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. Holding 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. (See Figure 3-28.) 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 3-28 Identifying a Rollover Cable

Pin 1

Pin 1 and pin 8

should be the

same color

Pin 8

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Powering Up the Router

Chapter 3 Installing the Router

Warning

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

The plug-socket combination must be accessible at all times because it serves as the main disconnecting device.

This section covers the following topics:

• Checklist for Power Up, page 3-26

• Front Panel Indicators, page 3-26

• Power-Up Procedure, page 3-27

Checklist for Power Up

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

• The 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.

Statement 1019

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

Front Panel Indicators

The meanings of the LED indicators for Cisco 3725 and Cisco 3745 routers are described in the following sections. For more detailed information about the LEDs, see Appendix A, “Troubleshooting.”

Cisco 3725 LED Indicators

The following indicator LEDs on the front of the chassis provide power, activity, and status information:

• Power (green)—LED is on when power is on

• SYS/RPS (green):

–

Rapid blinking (200 ms)—System is booting

–

Slow blinking (1 s)—Redundant power supply (RPS) failure

–

Continuous on—System OK

• Activity (green)—Blinks during system activity, such as interrupts and packet transfers

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Cisco 3745 LED Indicators

The following indicator LEDs on the front of the chassis provide power, activity, and status information:

• SYS—System status:

• ACT—Activity:

• SYS PS1 or SYS PS2—Chassis power supply number 1 or number 2 status:

• –48V PS1 or –48V PS2—IP power module number 1 or number 2 status:

Powering Up the Router

–

Blinking green during bootup—System is booting

–

Continuous green—System booted and OK

–

Blinking green continuing after bootup—System is in ROM monitor mode

–

Amber—System malfunction

–

Blinking or continuous green during system activity, such as interrupts and packet transfers

–

Off—Powered off, not installed, or faulty

–

Continuous green—Installed and operating

–

Amber—Installed and powered off or faulty

–

Off—Faulty or not installed

–

Continuous green—Installed and operating

–

Amber—Installed and powered off or faulty

Power-Up Procedure

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 up the router, see Appendix A, “Troubleshooting.” For information about the ROM monitor and the bootstrap program, see Appendix B, “Using the

ROM Monitor.” For information about the configuration register, see Appendix C, “Configuration Register.”

Note To view the boot sequence through a terminal session, you must have a console connection to the

Cisco router before 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 3-26.

Step 2 Move the power switch to the ON position.

Note Cisco 3745 routers may have one or two chassis power supplies. A router may operate with

either power supply or with both power supplies in use. Two power supplies provide redundancy.

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Powering Up the Router

Caution Do not press any keys on the keyboard until the messages stop. Any keys pressed during this time are

Chapter 3 Installing the Router

The following indications appear:

• Cisco 3725 router

–

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

–

The fan operates.

• Cisco 3745 router

–

The green SYS PS1 LED on the front of the chassis comes on if power supply 1 is in use; the green SYS PS2 LED comes on if power supply 2 is in use.

–

The fan operates.

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.

interpreted as the first command typed when the messages stop, which might cause the router to power down 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.

If SDM is installed on your router, we recommend using SDM to perform the initial configuration. For configuration procedures using SDM, see the quick start guide that shipped with your router.

You can also access the Cisco 3700 series routers quick start guides online at:

http://www.cisco.com/univercd/cc/td/doc/product/access/acs_mod/cis3700/37xx_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-c to 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 3-29. To learn how to use the CLI to configure

the router, see the “Initial Configuration Using the CLI (Manual Configuration)” section on

page 3-32.

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Chapter 3 Installing the Router

Note If the rommon 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 the Cisco 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 3-29.

• 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 3-29.

• Command-line interface (CLI). If you prefer to use the Cisco IOS CLI, see the “Initial Configuration

Using the CLI (Manual Configuration)” section on page 3-32 for instructions on how to use the CLI.

Configuring the Router

Note If you need help with interface and port numbering, see the “Interface Numbering” section on page 1-5.

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, see the quick start guide that shipped with your router.

You can also access the Cisco 3700 series routers quick start guides online at:

http://www.cisco.com/univercd/cc/td/doc/product/access/acs_mod/cis3700/37xx_qsg/index.htm

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 ---

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At any point you may enter a question mark '?' for help. Use ctrl-c to abort configuration dialog at any prompt. Default settings are in square brackets '[]'.

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

Cisco 3700 Series Routers Hardware Installation Guide

3-29

Configuring the Router

Note If you make a mistake while using the setup command facility, you can exit and run the setup command

Step 1 To proceed using the setup command facility, enter yes when the power-up messages have ended.

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

Chapter 3 Installing the Router

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 1-5.

facility again. Press Ctrl-C, and enter setup at the privileged EXEC mode prompt (Router#).

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

At any point you may enter a question mark '?' for help. Use ctrl-c to 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 uses 3700):

Configuring global parameters:

Enter host name [Router]:

3700

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

view 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

Step 5 Enter an enable password that is different from the enable secret password. This password is not

encrypted (less secure) and can be seen when you view 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

3-30

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.

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Chapter 3 Installing the Router

Note The interface numbering that appears is dependent on the type of Cisco modular router platform

Current interface summary

Controller Timeslots D-Channel Configurable 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 Choose 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-duplex mode? [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

Configuring the Router

and on the installed interface modules and cards.

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-server community public ! no ip routing

! interface FastEthernet0/0 no shutdown media-type 100BaseX half-duplex ip address 172.1.2.3 255.255.0.0 ! interface FastEthernet0/1 shutdown no ip address ! end

Step 11 Respond to the following prompts. Choose [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.

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Enter your selection [2]: 2 Building configuration... Use the enabled mode 'configure' command to modify this configuration.

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Configuring the Router

Press RETURN to get started!

Step 12 The user prompt appears:

3700>

After you complete the initial configuration tasks, your Cisco router is ready to configure for specific functions. For configuration procedures, see 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.

Initial Configuration Using the CLI (Manual Configuration)

This section shows how to bring up a command-line interface (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 ---

Chapter 3 Installing the Router

At any point you may enter a question mark '?' for help. Use ctrl-c to 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, see the quick start guide that shipped with your router. You can also access the Cisco 3700 series routers quick start guides online at:

http://www.cisco.com/univercd/cc/td/doc/product/access/acs_mod/cis3700/37xx_qsg/index.htm

Note To avoid losing work you have completed, be sure to save your configuration occasionally as you

proceed. Use the copy running-config startup-config command to save the configuration to NVRAM.

Step 1 To proceed with manual configuration using the CLI, enter no.

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

Step 2 Press Return 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:

...

date

> <

time

> by <

person

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Chapter 3 Installing the Router

Step 3 Press Return to bring up the Router> prompt.

...

flashfs[4]: Initialization complete. Router>

Step 4 Enter privileged EXEC mode.

Router> enable Router#

For configuration using the CLI, see 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.

Configuring the Router

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Configuring the Router

Chapter 3 Installing the Router

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APPENDIX

Troubleshooting

Your Cisco 3700 series router goes through extensive testing and burn-in before 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 includes the following sections:

• Solving Problems, page A-2

• Reading Front-Panel LEDs, page A-4

• Reading Rear Panel LEDs, page A-6

• Error Messages, page A-8

• Recovering a Lost Password, page A-12

Note To troubleshoot a network module, see the online Cisco Network Modules Hardware Installation Guide;

to troubleshoot interface cards, see the online Cisco Interface Cards Installation Guide.

If you cannot locate the source of the problem, contact a customer service representative for information on how to proceed. For information about obtaining technical support, see the “Obtaining Technical

Assistance” section on page xvii. 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

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A-1

Solving Problems

The key to solving problems 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. LEDs are described in the following sections:

• Reading Front-Panel LEDs, page A-4

• Reading Rear Panel LEDs, page A-6

When solving problems, consider the following router subsystems:

• Power and cooling systems—External power source, power cable, router power supply and circuit

breaker, and router blower and fan. Also consider inadequate ventilation or air circulation.

• Modules—LEDs on the modules help identify a failure.

• Cables—External cables that connect the router to the network.

Troubleshooting the Power and Cooling Systems

Appendix A Troubleshooting

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 amber, the router is receiving power but is not 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 for 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 by inspecting the system and power supply LEDs on the front panel. If they are green, the power supplies are functional.

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Appendix A Troubleshooting

• Router partially boots, but LEDs do not go 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.

–

If the system LED is not on, see the “Obtaining Technical Assistance” section on page xvii for information about customer service.

–

Check for a power supply failure by inspecting the power supply LEDs on the front panel. See the “Reading Front-Panel LEDs” section on page A-4 for power supply LED descriptions.

Environmental Reporting Features

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

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

problem immediately!

Some causes of abnormally high router temperature are as follows:

• Fan failure

• Air conditioner failure in the room

Solving Problems

• 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 2-4.

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:

• Module is not recognized by the router.

–

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, see the online Cisco Network Modules Hardware Installation Guide.

–

Make sure you have a version of Cisco IOS software that supports the module. Check the online

Software Configuration Guide for Cisco 2600, Cisco 3600, and Cisco 3700 Series Routers or

accompanying configuration note for software requirements for the network module.

• Module is recognized, but interface ports do not initialize.

–

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

–

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 and interface card software requirements.

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A-3

Reading Front-Panel LEDs

• 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. See the “Obtaining Technical Assistance” section on

page xvii for information about customer service.

• 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 baud is the default)

(b) 8 data bits

(d) 2 stop bits

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

–

Check the module. See the “Obtaining Technical Assistance” section on page xvii for information about customer service.

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

–

There may be a problem with the module or cable. See the “Obtaining Technical Assistance”

section on page xvii for information about customer service.

Appendix A Troubleshooting

Reading Front-Panel LEDs

The LEDs on the front panel of the router enable you to determine router performance and operation.

Figure A-1 and Figure A-2 show the LEDs on the front panel of the router. For an explanation of these

LEDs see Tab le A-1 and Tab le A-2 .

Figure A-1 Cisco 3725 Router Front-Panel LEDs

SYS/RPS LED

PWR LED

SYS

ACT

PWR

RPS

PWR

ACT LED

SYS RPS

ACT

Cisco 3700 SERIES

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Appendix A Troubleshooting

Table A-1 Cisco 3725 Router Front-Panel Indicators

LED Indicator State Description

PWR Off Router is not receiving power.

SYS/RPS Off Router is not receiving power.

ACT Off No packet transfers are occurring.

Figure A-2 Cisco 3745 Router Front-Panel LEDs

Reading Front-Panel LEDs

Solid green Router is receiving power.

Rapid blinking System is booting up or in ROM monitor mode.

Blinking once per second Redundant power system has failed.

Solid green System is operating normally.

Blinking System is actively transferring packets.

SYS PS2 LED

-48 PS2 LED

-48V PS1 LED

SYS PS1 LED

ACT LED

SYS LED

Cisco 3700 SERIES

Table A-2 Cisco 3745 Router Front-Panel Indicators

LED Indicator State Description

SYS Off Router is not receiving power.

Blinking green Running ROM monitor with no errors detected.

Solid green Router is operating normally.

Amber Router is receiving power but malfunctioning.

ACT Off No interrupts or packet transfers occurring.

Solid or blinking green System is receiving interrupts, or is actively transferring

packets.

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Reading Rear Panel LEDs

Table A-2 Cisco 3745 Router Front-Panel Indicators

LED Indicator State Description

SYS PS1 and SYS PS2

Off Power supply not present, or failed.

Solid green Power supply installed and operating normally.

Amber Power supply installed and powered off, or fault condition

–48V PS1 and –48V PS2

Off –48-V power module not present, or failed.

Solid green –48-V power module installed and operating normally.

Amber –48-V power module installed and powered off, or fault

Reading Rear Panel LEDs

The LEDs on the rear panel of the router enable you to determine router performance and operation.

Figure A-3 and Figure A-4 show the LEDs on the rear panel of the router. For an explanation of these

LEDs, see Ta bl e A- 3 and Tab l e A-4 .

Appendix A Troubleshooting

detected.

condition detected.

Figure A-3 Cisco 3725 Router Rear-Panel LEDs

NM-HDV

BANK 4

BANK 3

BANK 2

BANK 1

BANK 0

E 1

E I N

SEE MANUAL BEFORE INSTALLATION

DSU

56K

SEE MANUAL BEFORE INSTALLATION

DSU

56K

SEE MANUAL BEFORE INSTALLATION

72133

FastEthernet 0/1

FastEthernet 0/0

Table A-3 Cisco 3725 Router Rear-Panel Indicators

LED Indicator State Description

CF Off CompactFlash (CF) memory card can be

ejected; device is idle.

Solid or blinking green Do not eject the CF; it is busy.

Fast Ethernet 0/0 ACT and Fast Ethernet 0/1 ACT

Fast Ethernet 0/0 LINK and Fast Ethernet 0/1 LINK

Off Interface not receiving packets.

Solid or blinking green Interface receiving packets.

Off No link established.

Solid green Link is established.

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Appendix A Troubleshooting

Table A-3 Cisco 3725 Router Rear-Panel Indicators (continued)

LED Indicator State Description

Fast Ethernet 0/0 100Mbps and Fast Ethernet 0/1 100Mbps

Figure A-4 Cisco 3745 Router Rear-Panel LEDs

Reading Rear Panel LEDs

Off 10-Mbps communication speed attained,

or no link established.

Solid green 100-Mbps communication speed attained.

ETM NPA AIM1 AIM0

FastEthernet 0/0

FastEthernet 0/1

POWER SYS

O N

NM-HDV

E F

L L

M F

-E

M F

-E

IC T

A L

F O

I N

L A

T I

6 K

SEE

NM-HDV

ANU

R E

STAL

C T

TIO

R L

R E

C T

R L

S EE

NM-HDV

BEFO

INST

ALLA

TIO

E R

N N

E R

L A

W IC

P 2 M

-E 1

SEE

C D

R E

EFO

INST

ALLA

TIO

W IC

P 2 M

-E 1

SEE

C D

NUA

T R

R E

E FO

INSTAL

LATIO

T R

Table A-4 Cisco 3745 Router Rear-Panel Indicators

LED Indicator State Description

POWER Off An error condition is detected in the operating ranges.

Solid green Operating voltages on mainboard are within acceptable ranges.

SYS Off Router not receiving power.

Blinking green Router running ROM monitor; no errors detected.

Solid green Router operating normally.

Amber Router receiving power but malfunctioning.

CF Off CF can be ejected; device is idle.

Solid or blinking green Do not eject CF; device is busy.

Fast Ethernet 0/0 ACT and Fast Ethernet 0/1 ACT

Fast Ethernet 0/0 LINK and Fast Ethernet 0/1 LINK

Fast Ethernet 0/0 100Mbps and Fast Ethernet 0/1 100Mbps

Off Interface not receiving packets.

Solid or blinking green Interface receiving packets.

Off No link established.

Solid green Link is established.

Off 10-Mbps communication speed attained, or no link established.

Solid green 100-Mbps communication speed attained.

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Error Messages

Table A-4 Cisco 3745 Router Rear-Panel Indicators (continued)

LED Indicator State Description

ETM Off Enhanced timing module (ETM) not present.

Amber ETM present with failure.

Solid green ETM present and enabled.

NPA Not used Reserved for future development.

AIM0 and AIM1

Off Advanced integration module (AIM) not present.

Amber AIM present with failure.

Solid green AIM present and enabled.

Error Messages

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 3-22.)

The terminal should display one of the following prompts:

Appendix A Troubleshooting

Router> (indicates the user EXEC command mode)

Router# (indicates the privileged EXEC command mode)

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

Table A-5 describes system error and recovery messages and LED conditions that might accompany

them.

Note Tab l e A- 5 does not provide a complete list of system LED conditions. (For all LED conditions that can

occur in your router, see the “Reading Front-Panel LEDs” section on page A-4 and the “Reading Rear

Panel LEDs” section on page A-6.)

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Appendix A Troubleshooting

Table A-5 System Error and Recovery Messages

LED Type LED Color Message

—— Error:

%INITSYS-1-PS:

Explanation:

The router failed to establish the environmental monitor process. This error is probably due to insufficient memory.

Recovery:

Add memory to the router.

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 conditions:

Error Messages

• 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 2-4.

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 conditions:

• Fan failure

• Air conditioner failure in the room

• Air blockage to cooling vents

Recovery:

Check the possible causes. If you need to replace the Cisco 3745 fan assembly, see the

Installing Field-Replaceable Units in Cisco 3745 Routers hardware configuration note.

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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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A-9

Error Messages

Table A-5 System Error and Recovery Messages (continued)

LED Type LED Color Message

PS1, PS2, LED on power supply rear panel

Amber Error:

%PS-3-DCOUTPUTVOLTFAIL: System detected Power System # DC FAIL condition.

Explanation:

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 down the faulty power supply and circuit breaker.

3. Check that cables are seated properly and terminal blocks are wired correctly.

4. Power up the circuit breaker and the power supply.

5. If the error condition persists, replace the power supply. (For Cisco 3745 routers, see the

Installing Field-Replaceable Units in Cisco 3745 Routers hardware configuration note.

For Cisco 3725 routers, see the Installing Universal DC Power Supplies in Cisco 3725

Routers hardware configuration note that shipped with the new power supply.)

When the error condition is resolved, the following informational message appears:

Appendix A Troubleshooting

PS1, PS2, LED on power supply rear panel

%PS-3-DCOUTPUTVOLTOK: Power System DC condition is now normal.

Amber Error:

%PS-3-INPUTVOLTFAIL: System detected Power System # AC FAIL condition.

Explanation:

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 down the faulty power supply.

3. Check that the power cables are seated properly.

4. Power up the power supply.

5. If the error condition persists, replace the power supply. (For Cisco 3745 routers, see the

Installing Field-Replaceable Units in Cisco 3745 Routers hardware configuration note.

For Cisco 3725 routers, see the Installing AC Power Supplies in Cisco 3725 Routers hardware configuration note that shipped with the new power supply.)

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

Table A-5 System Error and Recovery Messages (continued)

LED Type LED Color Message

System

PS1, PS2, LED on power supply rear panel

Amber

Error:

%PS-3-MULTFAIL: There is more than one failure with the Power System #; please

resolve problems immediately.

Explanation:

The specified power supply (1 or 2) has experienced multiple failures. This is a critical condition that must be resolved immediately.

Recovery:

1. Check the power supply LEDs to identify the faulty unit.

2. Power down 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 up the circuit breaker (for a DC power supply) and the power supply.

5. If the error condition persists, replace the power supply. See the instructions that ship with

the new power supply.)

When the error condition is resolved, the following informational message appears:

Error Messages

%PS-3-PSOK: Power System is now normal.

—— Error:

%FAN-3-FAN_FAILED: Fan # had a rotation error reported.

Explanation:

The specified fan is not rotating at the desired speed.

Recovery:

Replace the fan cage as described in the Installing Field-Replaceable Units in Cisco 3745

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. 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, see the online Cisco Network Modules Hardware Installation Guide.

This is an informational message that does not require any recovery procedure.

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Recovering a Lost Password

Table A-5 System Error and Recovery Messages (continued)

LED Type LED Color Message

—— Error:

%OIR-6-INSCARD: Card inserted in slot x, interfaces administratively shut down.

Explanation:

The OIR function detected the insertion of a network module processor in the specified chassis slot. The interfaces on that processor are administratively shut down until configured, or if an interface of that type was previously configured, it is restored to its previous state.

For more information, see the online 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 OIR function detected an incorrectly seated network module in the specified chassis slot.

For more information, see the online Cisco Network Modules Hardware Installation Guide.

Appendix A Troubleshooting

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 is incompatible and must be upgraded to operate in the router.

For more information, see the online 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 xvii.)

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 Cisco 3700 series routers, see the Pass word

Recovery Procedure for the Cisco 3700 Series Routers document at the following URL:

http://www.cisco.com/warp/public/474/pswdrec_3700.html

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APPENDIX

Using the ROM Monitor

This appendix describes the ROM monitor (also called the bootstrap program), the firmware that runs when your Cisco 3700 series router is powered up or reset. 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 isolate or eliminate hardware problems and recover a corrupted Cisco IOS software image.

This appendix includes 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-3

• Recovering Cisco IOS Software Images, page B-8

Entering ROM Monitor Mode

To use the ROM monitor, you must have access to the console port. See the “Connecting to a Console

Terminal or Modem” section on page 3-22 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 for one-time use.

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

Break key.

Note If your console terminal does not have a Break key, see 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.

As long as the configuration register value remains 0x0, you must manually boot the operating system from the console. See the boot command in the “ROM Monitor Command Descriptions”

section on page B-3.

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Appendix B Using the ROM Monitor

ROM Monitor Commands

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 the reload 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 appears:

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-register 0x0

Step 2 Restart the router with the reload command.

Router# reload

The router boots into 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

Enter ? or help 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 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

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Appendix B Using the ROM Monitor

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.

To display information about command syntax, enter the command name followed by -?. ROM monitor commands are case-sensitive. Enter commands exactly as shown. 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

ROM Monitor Command Descriptions

This section describes some useful ROM monitor commands. See the Cisco IOS configuration guides and command references for more information on ROM monitor commands.

Boot Commands in the ROM Monitor

The router always boots first from a Cisco IOS software image in CompactFlash memory, because there is no separate, dedicated boot helper image ([rx]boot). The first image in CompactFlash memory functions as the boot helper image, but you can override this by setting the BOOTLDR Monitor

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B-3

ROM Monitor Command Descriptions

environment variable to point to another image. The first image in CompactFlash 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 software image in CompactFlash memory.

To boot a router from a Cisco IOS software image on a TFTP server (netboot), the installed DRAM must be adequate to hold two uncompressed Cisco IOS software images: the image from CompactFlash 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 CompactFlash memory. It decompresses that image in DRAM, parses the boot system commands, downloads the Cisco IOS software image from the TFTP server, and decompresses it in DRAM. After the Cisco IOS software image from the TFTP server is in DRAM, the DRAM memory occupied by the boot helper image is released.

Note Booting from a TFTP server is useful if the router does not have enough CompactFlash memory to hold

large images. With a small image in CompactFlash memory (just large enough to support the necessary interfaces), the router boots from CompactFlash, and then the larger image is downloaded from the TFTP server.

The boot command syntax is as follows, where:

Appendix B Using the ROM Monitor

• partition is a partition number in CompactFlash memory

• filename is the Cisco IOS software 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 all boot commands, boot can be entered as b.

• boot—Boots from the first Cisco IOS software image in internal CompactFlash memory.

• boot flash:—Boots from the first Cisco IOS software image in internal CompactFlash memory.

• boot flash: partition:—Boots from the first Cisco IOS software image in the specified partition in

internal CompactFlash memory.

• boot flash: filename—Boots from the specified IOS software image in internal CompactFlash

memory.

• boot flash: partition: filename—Boots from the specified Cisco IOS software image in the specified

partition in internal CompactFlash memory.

B-4

• boot slot0:—Boots from the first Cisco IOS software image in the first partition in the

CompactFlash memory card in slot 0.

• boot slot0:2:—Boots from the first Cisco IOS software image in the second partition in the

CompactFlash memory card in slot 0.

• boot slot0: filename— Boots from the specified Cisco IOS software image in the CompactFlash

memory card in slot 0.

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Appendix B Using the ROM Monitor

• boot slot1:3: filename—Boots from the specified Cisco IOS software image in the third partition in

the CompactFlash memory card in slot 1.

• boot filename tftpserver— Boots from the specified Cisco IOS software image on the specified

TFTP server (after first booting from CompactFlash); for example:

boot c3725-is-mz 172.15.19.11

Note Use the CLI commands show version and show hardware to see the source of the currently running

Cisco IOS software image.

Informational Commands in the ROM Monitor

dev—Lists boot device identifications on the router; for example:

rommon 10 > dev

ROM Monitor Command Descriptions

Devices in device table:

id name slot0: CF slot 0 eprom: eprom

dir device:[partition:]—Lists the files on the named device; for example:

rommon 11 > dir flash:

File size Checksum File name 2229799 bytes (0x220627) 0x469e C3700-j-m2

help—Shows a summary of ROM monitor commands (equivalent to ?).

meminfo—Displays main memory size, starting address, and available range; size of packet memory; and size of NVRAM. The following example shows the meminfo command:

rommon 9 > meminfo

Main memory size: 16 MB in 32-bit mode. Available main memory starts at 0xa000e000, size 16328KB IO (packet) memory size: 25 percent of main memory. NVRAM size: 128KB

meminfo [-l]—Shows supported DRAM configurations. The following example shows an example of the meminfo -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

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ROM Monitor Command Descriptions

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 or i—Resets and initializes the router, similar to power up.

Debugging Commands in the ROM Monitor

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.”

Appendix B Using the ROM Monitor

The following ROM monitor debugging commands provide information about software failures:

• stack or k—Produces a stack trace.

• context—Displays processor context.

• frame—Displays an individual stack frame.

• sysret—Displays return 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

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.”

B-6

To modify the configuration register from the ROM monitor, use one of these methods:

• 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 hexadecimal value of the configuration register. See the

next section, “Modifying the Configuration Register by Hexadecimal Entry.”

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Appendix B Using the ROM Monitor

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.

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

ROM Monitor Command Descriptions

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 Hexadecimal Entry

Entering the confreg command plus a hexadecimal value changes the contents of the configuration register. The syntax is confreg [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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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 software image to CompactFlash 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 software image from the console is very slow. This procedure should be

used only in an emergency and is not recommended for normal Cisco IOS software image upgrades.

For the fastest possible download from a console, set the console speed to 115200 bps by using the ROM monitor confreg command. See the “Configuration Register” procedure on page B-6.

Note Using a CompactFlash memory card to update the Cisco IOS software image is much faster than

using the console port and, when available, is the recommended method of recovering a software image.

Appendix B Using the ROM Monitor

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 CompactFlash memory.

xmodem [filename]—Establishes an Xmodem connection between the console and the router. The optional argument filename specifies the source file containing the Cisco IOS software image.

Other options include the following:

• c—Uses cyclic redundancy check (CRC-16).

• y—Uses Ymodem transfer protocol.

• r—Copies the image to dynamic random-access memory (DRAM) for launch.

• x—Does not launch image on completion of download.

Console Requirements

The console 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

B-8

• Cisco IOS software image file

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Cisco Systems 3700 User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual

CONTENTS

Preface

Objectives

Audience

Organization

Conventions

Safety Warnings

Related Documentation

Obtaining Documentation

Cisco.com

Ordering Documentation

Documentation Feedback

Obtaining Technical Assistance

Cisco Technical Support Website

Submitting a Service Request

Obtaining Additional Publications and Information

Definitions of Service Request Severity

Overview of Cisco 3700 Series Routers

Hardware Features

Cisco 3725

Cisco 3745

Modules, Interface Cards, and Memory

Memory

Interface Numbering

Cisco 3725 Interfaces

WAN and LAN Interface Numbering

Voice Interface Numbering

Cisco 3745 Interfaces

WAN and LAN Interface Numbering

Voice Interface Numbering

Power Supply Options

Internal –48 V Telephony Power Modules

System Specifications

Regulatory Compliance

Preparing to Install the Router

Safety Recommendations

Safety with Electricity

Preventing Electrostatic Discharge Damage

General Site Requirements

Power Supply Considerations

Site Environment

Site Configuration

Equipment Racks

Installation Checklist

Creating a Site Log

Inspecting the Router

Required Tools and Equipment for Installation and Maintenance

Console and Auxiliary Port Considerations

Console Port Connections

Auxiliary Port Connections

Preparing to Connect to a Network

Ethernet Connections

Token Ring Connections

Serial Connections

Configuring Serial Connections

Serial DTE or DCE Devices

Signaling Standards Supported

Distance Limitations

Asynchronous/Synchronous Serial Module Data Rates

ISDN BRI Connections

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

Installing the Router

Installing Modules, Interface Cards, and Power Supplies

Setting Up the Chassis

Setting the Chassis on a Desktop

Rack-Mounting the Chassis

Attaching Brackets to the Cisco 3725 Router

Attaching Brackets to the Cisco 3745 Router

Mounting the Router in a Rack

Installing the Chassis Ground Connection

Cisco 3725 Router Ground Connection

Cisco 3745 Router Ground Connection

Power Connections

Connecting Routers to AC Power

Connecting Routers to a DC-Input Power Supply

Wiring the DC-Input Power Supply in Cisco 3725 Routers