Cisco Systems 1750 User Manual 2

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Cisco 1750 Router Hardware Installation Guide

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The following information is for FCC compliance of Class A devices: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio-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.

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Cisco 1750 Router Hardware Installation Guide

About This Guide ix

CONTENTS

CHAPTER

Audience and Scope

Organization x

Related Publications x

Conventions xi

Notes, Cautions, and Warnings xi

Commands xiv

1 Cisco 1750 Router Overview 1-i

Key Features 1-ii

Rear-Panel Ports and LEDs 1-iv

Front-Panel LEDs 1-vi

Router Memory 1-ix

Types of Memory 1-ix

Amounts of Memory 1-x

Unpacking the Router 1-xi

Additional Required Equipment 1-xi

CHAPTER

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2 Installation 2-i

Before Installing the Router 2-i

Connecting the Router to Your Local Network 2-ii

Installing WICs and VICs 2-v

Safety Information 2-v

Cisco 1750 Router Hardware Installation Guide

Contents

Connecting Power to the Router 2-viii

Verifying Your Installation 2-x

Optional Installation Steps 2-x

Connecting a PC 2-xi

Connecting a Modem 2-xiii

Wall-Mounting 2-xiv

CHAPTER

APPENDIX

3 Troubleshooting 3-i

Contacting Cisco or Your Reseller 3-i

Recovering a Lost Password 3-ii

Changing the Configuration Register 3-ii

Resetting the Router 3-iv

Resetting the Password 3-v

Resetting the Configuration Register Value 3-vi

Problem Solving 3-vi

OK LED Diagnostics 3-vii

Troubleshooting WICs and VICs 3-viii

Troubleshooting the Power System 3-x

Troubleshooting ISDN 3-xi

A Technical Specifications A-i

B Cabling Specifications B-i

Ethernet Cables B-i

Ethernet Network Cabling Guidelines B-ii

Console Cable and Adapters B-iii

VIC Cables and Pinouts B-v

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Contents

APPENDIX

INDEX

C Installing and Upgrading Memory and Data Modules C-i

Safety Information C-i

Opening the Chassis C-iii

Locating Modules C-v

Installing a Mini-Flash Module C-vi

Removing a Mini-Flash Module C-vi

Installing a Dual In-Line Memory Module C-ix

Installing a Packet Voice Data Module C-x

Closing the Chassis C-xi

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Contents

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About This Guide

This section discusses the intended audience, scope, and organization of the Cisco 1750 Router Hardware Installation Guide and defines the conventions used to convey instructions and information.

You can access Cisco documentationand additional literature on the World Wide Web at http://www.cisco.com, http://www-china.cisco.com, or http://www-europe.cisco.com.

If you are reading Cisco product documentation on the World Wide Web, you can submit comments electronically. Click Feedback in the toolbar, and select Documentation. After you complete the form, click Submit to send it to Cisco. We appreciate your comments.

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Audience and Scope

This guide is for users who have some experience installing and maintaining networking hardware. We assume that Cisco 1750 router users are familiar with the terminology and concepts of local Ethernet and wide-area networking.

This guide describes the functional and physical features of the Cisco 1750 router and provides installation procedures, troubleshooting information, technical specifications, and cable and connector guidelines and specifications.

Organization

This guide is organized as follows:

• Chapter 1, “Cisco 1750 Router Overview,” describes the router features,

front-panel LEDs, rear-panel LEDs, and connectors.

• Chapter 2, “Installation,” describes how to install the router by connecting

cables, power, and install WAN interface cards (WICs) and voice interface cards (VICs).

• Chapter 3, “Troubleshooting,” describes some problems that you might have

with the router and how to solve these problems.

About This Guide

• Appendix A, “Technical Specifications,” lists the physical characteristics,

environmental requirements, and power specifications for the router.

• Appendix B, “Cabling Specifications,” lists the physical characteristics of the

cables and connectors used with the router.

• Appendix C, “Installing and Upgrading Memory and Data Modules,”

describes how to install or upgrade memory or data modules in your router.

Related Publications

The following publications provide related information on this product:

• Voice-over-IP Quick Start Guide that came with your router explains how to

install voice hardware and how to configure the router for a Voice-over-IP (VoIP) network.

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About This Guide

Conventions

This guide uses the following conventions for instructions and information.

Conventions

• Cisco 1700 Router Software Configuration Guide describes some common

network scenarios and how to use the Cisco IOS command-line interface (CLI) to configure the router in these scenarios.

• Cisco 1750 Router Voice-over-IP Configuration Guide provides instructions

on how to use Cisco IOS software to configure voice interfaces.

• Cisco WAN Interface Cards Hardware Installation Guide describes how to

install and configure the WICs and VICs that are supported by the Cisco 1750 router.

• Cisco IOS command reference and configuration guides provide complete

information about all Cisco IOS CLI commands and how to use them, as well as information on designing and configuring LANs and WANs.

Notes, Cautions, and Warnings

Notes, cautions, and warnings use the following conventions and symbols:

Note Means reader take note. Notes contain helpful suggestions or

references to materials not contained in this manual.

Caution This caution symbol means reader be careful. In this situation, you

might do something that could result in equipment damage or loss of data.

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Conventions

About This Guide

Warning

Waarschuwing

Varoitus

Attention

Warnung

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 the standard practices for preventing accidents.

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 standaard maatregelen om ongelukken te voorkomen.

Tämä varoitusmerkki merkitsee vaaraa. Olet tilanteessa, joka voi johtaa ruumiinvammaan. Ennen kuin työskentelet minkään laitteiston parissa, ota selvää sähkökytkentöihin liittyvistä vaaroista ja tavanomaisista onnettomuuksien ehkäisykeinoista.

Ce symbole d'avertissement indique un danger. Vous vous trouvez dans une situation pouvant causer des blessures ou des dommages corporels. Avant de travailler sur un équipement, soyez conscient des dangers posés par les circuits électriques et familiarisez-vous avec les procédures couramment utilisées pour éviter les accidents.

Dieses Warnsymbol bedeutet Gefahr. Sie befinden sich in einer Situation, die zu einer Körperverletzung führen könnte. Bevor Sie mit der Arbeit an irgendeinem Gerät beginnen, seien Sie sich der mit elektrischen Stromkreisen verbundenen Gefahren und der Standardpraktiken zur Vermeidung von Unfällen bewußt.

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Avvertenza

Questo simbolo di avvertenza indica un pericolo. La situazione potrebbe causare infortuni alle persone. Prima di lavorare su qualsiasi apparecchiatura, occorre conoscere i pericoli relativi ai circuiti elettrici ed essere al corrente delle pratiche standard per la prevenzione di incidenti.

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About This Guide

Conventions

Advarsel

Aviso

¡Atención!

Varning!

Dette varselsymbolet betyr fare. Du befinner deg i en situasjon som kan føre til personskade. Før du utfører arbeid på utstyr, må du vare oppmerksom på de faremomentene som elektriske kretser innebærer, samt gjøre deg kjent med vanlig praksis når det gjelder å unngå ulykker.

Este símbolo de aviso indica perigo. Encontra-se numa situação que lhe poderá causar danos físicos. Antes de começar a trabalhar com qualquer equipamento, familiarize-se com os perigos relacionados com circuitos eléctricos, e com quaisquer práticas comuns que possam prevenir possíveis acidentes.

Este símbolo de aviso significa peligro. Existe riesgo para su integridad física. Antes de manipular cualquier equipo, considerar los riesgos que entraña la corriente eléctrica y familiarizarse con los procedimientos estándar de prevención de accidentes.

Denna varningssymbol 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 vanligt förfarande för att förebygga skador.

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Conventions

Commands

About This Guide

Table 1 describes the syntax used with the commands in this document.

Table 1 Command Syntax Guide

Convention Description

boldface Commands and keywords.

italic Command input that is supplied by you.

[ ] Keywords or arguments that appear within square

brackets are optional.

{x | x | x} A choice of keywords (represented by x) appears in

braces separated by vertical bars. You must select one.

^ or Ctrl Represent the key labeled Control. For example, when

you read ^D or Ctrl-D, you should hold down the Control key while you press the D key.

screen font

Examples of information displayed on the screen.

boldface screen font Examples of information that you must enter.

< > Nonprinting characters, such as passwords, appear in

angled brackets.

[ ] Default responses to system prompts appear in square

brackets.

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Cisco 1750 Router Overview

This chapter introduces the Cisco 1750 router, also referred to in this guide as “the router,” and covers the following topics:

• Key Features

• Rear-Panel Ports and LEDs

• Front-Panel LEDs

• Router Memory

• Unpacking the Router

• Additional Required Equipment

Figure 1 shows the Cisco 1750 router.

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Cisco 1750 Router Hardware Installation Guide

Key Features

Figure 1 Cisco 1750 Router

17468

SLOT0

SLOT1

SLOT2

RT0

ETH

Cisco 1700

SERIES

ROUTER

Key Features

The Cisco 1750 router is a voice-and-data capable router that provides Voice-over-IP functionality (VoIP) and can carry voice traffic (for example, telephone calls and faxes) over an IP network. Using one to four WAN connections, the router links small-to-medium-size remote Ethernet and FastEthernet LANs to central offices. Table 1 lists the router key features.

Table 1 Key Features

Feature Description

One FastEthernet (10/100BaseTX) port

Cisco 1750 Router Hardware Installation Guide

• Operates in full- or half-duplex mode (with manual

override available).

• Supports autosensing for 10- or 100-Mbps operation.

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Key Features

Table 1 Key Features (continued)

Feature Description

Cisco interface cards • Supports two slots for either WAN interface cards (WICs)

or voice interface cards (VICs).

• Supports one VIC-only slot.

• Supports the following WICs: ISDN BRI (U and S/T), 56-

or 64-kbps DSU/CSU, FT1/T1 DSU/CSU, high-speed serial, dual-serial, and 2Async/Sync.

• Supports the following VICs: 2FXS, 2FXO, 2E&M.

• Changes in WAN interface configuration can be made as

your network requirements change.

Console port Supports router configuration and management from a

connected terminal or PC. Supports up to 115.2 kbps.

Auxiliary port Supports modem connection to the router, which can be

configured and managed from a remote location. Supports up to 115.2 kbps.

Security slot Supports Kensington or similar lockdown equipment.

SNMP support Supports Simple Network Management Protocol (SNMP) to

manage the router over a network.

AutoInstall support Supports AutoInstall to download configuration files to the

router over a WAN connection.

Cisco ConfigMaker support Supports Cisco ConfigMaker application, a wizards-based

software tool, to configure a network that includes the Cisco 1750 router.

Cisco Voice Manager support Supports Cisco Voice Manager to help you install and operate

voice and fax services over the IP network.

Compatible with Cisco Networked

Stackable with other Cisco Networked Office stack products.

Office stack

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iii

Rear-Panel Ports and LEDs

This section describes the router rear-panel ports and LEDs, which are shown in Figure 2 and described in Table 2 and Table 3.

Figure 2 Rear-Panel Components and LEDs

Kensington-compatible

locking socket

VIC 2FXS

WIC/VIC

slot 1

IN USE

SEE MANUAL BEFORE INSTALLATION

Console port

IN USE

Cisco 1750

SLOT 1

SLOT 0

SLOT 2

CONSOLE

VIC

slot 2

IN USE

VIC 2FXO

SEE MANUAL BEFORE INSTALLATION

THIS SLOT ACCEPTS ONLY VOICE INTERFACE CARDS

Power switch

IN USE

Slot 1

OK LED

Slot 0

OK LED

WIC/VIC

slot 0

10/100 ETHERNET

10/100-Mbps Ethernet port

AUX

FDX/100/LINK LEDs

Auxiliary port

Table 2 Rear-Panel Connectors

Connector/Slot Label/Color Description

Ethernet port 10/100-Mbps

ETHERNET (yellow)

Router connection to the local Ethernet network. This port autosenses the speed (10 or 100 Mbps) and duplex mode (full or half) of the device to which it is connected and then operates at the same speed and in the same duplex mode.

Auxiliary port AUX

(black)

Console port CONSOLE

(light blue)

Modem connection for remote configuration using Cisco IOS software.

Terminal or PC connection for local configuration using Cisco IOS software.

Ground

wire

PVDM OK

PVDM

OK LED

SLOT 2 OKFDXSLOT 0 OKSLOT 1 OK 100 LINK

Slot 2

OK LED

+5, +12, -12 VDC

Powe r socket

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Rear-Panel Ports and LEDs

Table 2 Rear-Panel Connectors (continued)

Connector/Slot Label/Color Description

WIC/VIC slot SLOT 0 Supports either a Cisco WIC or VIC. For detailed

information, refer to the Cisco WAN Interface Cards Hardware Installation Guide that comes with every card.

WIC/VIC slot SLOT 1 Supports either a Cisco WIC or VIC. For detailed

information, refer to the Cisco WAN Interface Cards Hardware Installation Guide that comes with every card.

VIC slot SLOT 2 Supports one Cisco VIC. For detailed information, refer

to the Cisco WAN Interface Cards Hardware Installation Guide that comes with every card.

Power socket +5, +12, –12

Router connection to the external power supply.

VDC

Protective earth Ground wire Router connection to earth ground by using a green and

yellow 14 AWG ground wire.

Use the rear-panel LEDs during router installation to confirm that you have correctly connected all cables to the router.

Table 3 Rear Panel LEDs

LED Label Color Description

FDX Green On—Ethernet port is operating in full-duplex mode.

Off—Ethernet port is operating in half-duplex mode.

100 Green On—Ethernet port is operating at 100 Mbps.

Off—Ethernet port is operating at 10 Mbps.

LINK Green On when the Ethernet link is up.

SLOT 0 OK Green On when either a WIC or VIC is correctly inserted in the

card slot.

SLOT 1 OK Green On when either a WIC or VIC is correctly inserted in the

card slot.

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Front-Panel LEDs

Table 3 Rear Panel LEDs (continued)

LED Label Color Description

SLOT 2 OK Green On when a VIC is correctly inserted in the card slot.

PVDM OK Green On when a packet voice data module (PVDM) is

Front-Panel LEDs

Use the router front-panel LEDs to determine network activity and status on the Ethernet port and on the WIC and VIC ports. The front-panel LEDs are illustrated in Figure 3 and described in Table 4.

Figure 3 Front-Panel LEDs

correctly inserted in the card slot.

PWR

SLOT0

PORT0

PORT1

SLOT1

PORT0

PORT1

SLOT2

PORT0

PORT1

ETH ACT

COL

Table 4 Front-Panel LEDs

Cards

LED Color

Supported LED Meaning

PWR Green – On when DC power is being supplied to the router.

OK Green – On when the router has successfully booted up and the

software is functional. This LED blinks during the power-on self-test (POST).

Refer to the “OK LED Diagnostics” section in the “Troubleshooting” chapter for information on how to use this LED for router diagnostics.

ETH

17470

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Front-Panel LEDs

Table 4 Front-Panel LEDs (continued)

Cards

LED Color

Supported LED Meaning

ACT Green – Blinks when there is network activity on the Ethernet port.

COL Yellow – Blinks when there are packet collisions on the local

Ethernet network.

SLOTØ

PORTØ Green ISDN On when the first ISDN B channel is connected.

Serial and CSU/DSU

2-port serial

VIC-2E&M

VIC-2FXO

VIC-2FXS

PORT1 – Serial and

CSU/DSU

Green ISDN On when the first ISDN B channel is connected.

2-port serial Blinks when data is being sent to or received from the port.

VIC-2E&M

VIC-2FXO

VIC-2FXS

Blinks when data is being sent to or received from the port.

Off.

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Front-Panel LEDs

Table 4 Front-Panel LEDs (continued)

Cards

LED Color

Supported LED Meaning

SLOT1

PORTØ Green ISDN On when the first ISDN B channel is connected.

Serial and

Blinks when data is being sent to or received from the port.

CSU/DSU

2-port serial

VIC-2E&M

VIC-2FXO

VIC-2FXS

PORT1 – Serial and

Off.

CSU/DSU

Green ISDN On when the first ISDN B channel is connected.

2-port serial Blinks when data is being sent to or received from the port.

VIC-2E&M

VIC-2FXO

VIC-2FXS

SLOT2

PORTØ Green VIC-2E&M Blinks when data is being sent to or received from the port.

VIC-2FXO

VIC-2FXS

PORT1 Green VIC-2E&M Blinks when data is being sent to or received from the port.

VIC-2FXO

VIC-2FXS

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Router Memory

This section describes the types of memory stored in the router and how to find out how much of each the router has.

For instructions on how to upgrade memory in the router, refer to the “Installing and Upgrading Memory and Data Modules” appendix in this guide.

Types of Memory

The router has the following types of memory:

• Dynamic RAM (DRAM)—This is the main storage memory for the router.

DRAM is also called working storage and contains the dynamic configuration information. The router stores a working copy of Cisco IOS software, dynamic configuration information, and routing table information in DRAM.

• Nonvolatile RAM (NVRAM)—This type of memory contains the startup

configuration.

• Flash memory—This special kind of erasable, programmable memory

contains a copy of the Cisco IOS software. The Flash memory structure can store multiple copies of the Cisco IOS software. You can load a new level of the operating system in every router in your network and then, when convenient, upgrade the whole network to the new level. The Flash memory on the router is stored on mini-Flash modules.

Router Memory

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Router Memory

Amounts of Memory

Use the show version command to view the amount of DRAM, NVRAM, and Flash memory stored in your router. The following example shows the output of the show version command. The bold text displays the amount of memory stored in this router.

1750# show version Cisco Internetwork Operating System Software IOS (tm) C1700 Software (C1700-SV3Y-M), Experimental Version

ROM: System Bootstrap, Version 12.0(1)XA1,RELEASE SOFTWARE (fc1)

Router uptime is 15 minutes System restarted by power-on System image file is “flash:syaji/c1700-sv3y-mz”

cisco 1750 (MPC860) processor (revision 0x00) with 24576K/8192K bytes

of memory.

Processor board ID 0000 (1314672220), with hardware revision 0000 M860 processor: part number 0, mask 32 Bridging software. X.25 software, Version 3.0.0. 1 FastEthernet/IEEE 802.3 interface(s) 2 Low-speed serial(sync/async) network interface(s) 2 Voice FXS interface(s) 2 Voice E & M interface(s) 32K bytes of non-volatile configuration memory. 8192K bytes of processor board System flash (Read/Write)

Configuration register is 0x0

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Unpacking the Router

Table 1-5 lists the items that come with your router. All these items are in the accessory kit that is inside the box that your router came in.

Table 1-5 Router Box Contents

Power cord (black)

•

• Power supply

• DB-25 to DB-9 adapter

• Console cable, RJ-45 to DB-9 (light blue)

• Product documentation

Additional Required Equipment

Depending on your local network and which Cisco WICs and VICs you install in your router, you might need other items listed in Table 6 to complete your router installation.

Unpacking the Router

Table 6 Additional Required Equipment

Equipment When You Use It

Ethernet hub A hub connects pieces of network equipment (including the router)

to create a network. You can use a 10-, 100-, or 10/100-Mbps hub with the router.

Ethernet switch A switch connects pieces of network equipment (including the

router) to create a network. You can use a 10-, 100-, or 10/100-Mbps switch with the router.

Phillips screwdriver Although the WICs and VICs use thumbscrews, you might need a

Phillips screwdriver to loosen the WIC and VIC cover.

Cisco WIC To make a WAN connection, the router must have a supported WIC

installed. The router supports up to two cards. You can either order the cards when ordering the router, and they will be installed for you, or you can order the cards separately, after receiving the router, and install them yourself.

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Additional Required Equipment

Table 6 Additional Required Equipment (continued)

Equipment When You Use It

Cisco VIC To make a voice connection, the router must have a supported VIC

installed. The router supports up to three cards. You can either order the cards when ordering the router, and they will be installed for you, or you can order the cards separately, after receiving the router, and install them yourself.

Straight-through RJ-45-to-RJ-45 cable

This cable connects the router to the Ethernet LAN and the WICs to various WAN services, including ISDN, T1/FT1, and 56-kbps services. You will need one cable for each of these connections.

Standard RJ-11 telephone cable

This cable connects the VIC to a telephone, fax machine, or a telephone wall-jack. You will need one cable for each of these connections.

Standard RJ-48 telephone cable

This cable connects the VIC to a PBX trunk line. You will need one cable for each of these connections.

Serial cable This cable connects a serial card to serial services. You must order

this cable from Cisco. For detailed information about serial cable types, refer to the Cisco WAN Interface Cards Hardware Installation Guide that comes with every card.

NT1 Some ISDN service providers require a Network Termination 1

device to connect an ISDN S/T port to the ISDN line.

Asynchronous modem To configure the router from a remote location, connect a modem to

the AUX port on the router.

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Installation

This chapter provides the installation procedures for the router in the following sections:

• Before Installing the Router

• Connecting the Router to Your Local Network

• Installing WICs and VICs

• Connecting Power to the Router

• Verifying Your Installation

• Optional Installation Steps

Before Installing the Router

The router is shipped ready for desktop mounting. Before making the power and network connections, simply set the router on a desktop, shelf, or other flat surface.

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Note For instructions on wall-mounting the router, refer to the

“Wall-Mounting” section later in this chapter.

Cisco 1750 Router Hardware Installation Guide

Connecting the Router to Your Local Network

Be sure to read the safety information in the Regulatory Compliance and Safety Information for the Cisco 1600 and Cisco 1700 Routers document that came with

your router.

Warning

Caution Do not place anything on top of the router that weighs more than

Read the installation instructions before you connect the system to its power source.

This equipment needs to be grounded. Use a green and yellow 14 AWG ground wire to connect the host to earth ground during normal use.

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

10 pounds (4.5 kg). Excessive weight on top of the router could damage the chassis.

Connecting the Router to Your Local Network

The router is connected to your local Ethernet network through the yellow 10/100 Ethernet port. You must provide the following items for this connection:

• A straight-through, RJ-45-to-RJ-45 Ethernet cable

• A 10/100-Mbps Ethernet hub or switch

Warning

Cisco 1750 Router Hardware Installation Guide

The ports labeled safety extra-low voltage (SELV) circuits. SELV circuits should only be connected to other SELV circuits. Because BRI circuits are treated like telephone-network voltage, avoid connecting the SELV circuits to the telephone network voltage (TNV) circuits. (To

10/100-Mbps Ethernet port

and

Console port

are

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Connecting the Router to Your Local Network

see translated versions of this warning, refer to the Regulatory

Compliance and Safety Information for the Cisco 1600 and Cisco 1700 Routers document that came with the router.)

Caution Always connect the Ethernet cable to the yellow ports on the router.

Do not connect the cable to an ISDN S/T or U port on a WIC or to an NT1 that is connected to a WIC. Accidently connecting the cable to the wrong port can damage your router.

Follow these steps to connect the router to your local network:

Step 1 Connect one end of the cable to the yellow Ethernet port (labeled 10/100-Mbps

Ethernet port).

Step 2 Connect the other end of the cable to a network port on the hub or switch.

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Cisco 1750 Router Hardware Installation Guide

iii

Connecting the Router to Your Local Network

Figure 1 Connecting the Router to the Local Network

IN USE

2FX

SEE MANUAL BEFORE INSTALLATION

1 O

0 O

IN USE

Cisco 1750

CONSOLE

LIN

0 /1

H E

10/100

Ethernet port

IN USE

2FX

SEE MANUAL BEFORE INSTALLATION

THIS SLOT ACCEPTS ON

AUX

IN USE

LY VO

ICE IN

TER

FAC

E CARDS

V D

, +

2, -1

Ethernet hub or switch

(10, 100, or 10/100 Mbps)

Straight-through

Ethernet cable

Cisco 1750 Router Hardware Installation Guide

SPEED

100BaseTX

10BaseT

SOLID BLINK

1X 2X 3X 4X

10/100

LED

2 3 4

5 6 7 8

5X 6X 7X 8X

MDI MDI-X

17473

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Installing WICs and VICs

The router supports one to two Cisco WICs and one to three Cisco VICs. Each WIC has one or two WAN ports and each VIC has one or two voice ports. This section describes the procedure for installing a WIC or a VIC in the router.

Note For details on specific WICs and VICs, how to connect a WIC to the

WAN line or VIC to the telephone and fax line, and how to configure the interface with Cisco IOS software, refer to the Cisco WAN Interface Cards Hardware Installation Guide that came with the card(s).

Safety Information

This section lists safety warnings that you should be aware of before installing WICs or VICs in the router. To see translated versions of these warnings, refer to the Regulatory Compliance and Safety Information for the Cisco 1600 and Cisco 1700 Routers document that came with the router.

Installing WICs and VICs

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Warning

Before working on a system that has an on/off switch, turn off the power and unplug the power cord.

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

Before working on equipment that is connected to power lines, remove jewelry (including rings, necklaces, and watches). Metal objects will heat up when connected to power and ground and can cause serious burns or weld the metal object to the terminals.

Cisco 1750 Router Hardware Installation Guide

Installing WICs and VICs

Warning

Before opening the chassis, disconnect the telephone-network cables (from the card) to avoid contact with the telephone-network voltages.

Warning

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

Caution Do not connect a WAN, telephone or fax cable to the card until you

have completed the installation procedure.

Follow these steps to remove and insert a card in the router:

Step 1 Make sure the router is turned off and is disconnected from the power supply.

Step 2 Loosen the thumbscrews on the WIC or VIC slot cover on the rear panel, as shown

in Figure 2.

You should be able to loosen the screws using your fingers; however, if the screws are very tight, you might need to use a Phillips screwdriver.

Cisco 1750 Router Hardware Installation Guide

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Installing WICs and VICs

Figure 2 Removing a WIC or VIC Slot Cover

VIC

IN USE

2FXS

S E

IN USE

S L

FDX

100

LINK

Interface card slot cover

SLOT 1

SLOT 0

0 0

Cisco 1750

E R

SLOT 2

VIC

IN USE

2FXO

THIS SLOT ACCEPTS ONLY VOICE INTERFACE CARDS

IN USE

L A

PVDM

SLOT 2 OK

+5, +12, -12 VDC

17475

Step 3 Remove the metal plate that covers the card slot.

Step 4 Hold the card by the edges on either side of the card front panel, and line up the

card edges with the guides inside the card slot, as shown in Figure 3.

Step 5 Insert the card in the slot and gently push it into the router until the front panel of

the card is flush with the rear panel of the router.

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Step 6 Tighten the screws.

Cisco 1750 Router Hardware Installation Guide

vii

Connecting Power to the Router

Figure 3 Inserting a WIC or VIC in the Router

Cisco 1750

SLO

T 1

OT 2

SLO

T 1 OK

SLOT 0 O

IN USE

E E

IN USE

I O

Guides

LOT 0

100

LIN

/1 0

F X

CONSOLE

AUX

Interface card

Connecting Power to the Router

Read the following warnings before connecting the power to the router.

Warning

The power supply is designed to work with TN power systems.

This product relies on the building’s installation for short-circuit (overcurrent) protection. Ensure that a fuse or circuit breaker no larger than 120VAC, 15AU.S. (240VAC, 16A international) is used on the phase conductors (all current-carrying conductors).

17477

IN USE

N U

IN USE

I O

L Y

I C

F A

PVD

SLO

T 2 O

+5, +12, -12 V

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Cisco 1750 Router Hardware Installation Guide

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Connecting Power to the Router

Warning

This equipment needs to be grounded. Use a green and yellow 14 AWG ground wire to connect the host to earth ground during normal use.

Follow these steps to connect power to the router and to turn the router on:

Step 1 Connect the attached power-supply cord to the power socket (labeled +5, +12, –12

VDC) on the router rear panel.

Step 2 Connect one end of the separate power cord to the socket on the power supply.

Step 3 Connect the other end of the separate power cord to a power outlet.

Step 4 Press the router power switch to on ( | ).

Step 5 Confirm that the router has power by checking that the PWR LED on the front

panel is on.

Figure 4 Connecting the Power Supply

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Separate

power cord

VIC

IN USE

2FXS

SEE MANUAL BEFORE INSTALLATION

SLOT 1 OK

SLOT 0 OK

Power supply

IN USE

Cisco 1750

SLOT 1

FDX

100

SLOT 2

VIC

IN USE

2FXO

SLOT 0

L E

SEE MANUAL BEFORE INSTALLATION

IN USE

O T

L Y

LINK

1 0

0 0

R N

PVDM OK

SLOT 2 OK

5, +

2, -12 V

Power socket

Attached

power supply cord

Cisco 1750 Router Hardware Installation Guide

17479

Verifying Your Installation

You can verify that you have correctly installed the router by checking the following LEDs:

• PWR (front panel)—On when power is being supplied to the router.

• OK (front panel)—On when the router software is loaded and functional.

Blinking means that the router is performing a power-on self-test (POST).

• ETH ACT (front panel)—Blinking when there is network traffic on the local

Ethernet LAN.

• SLOTØ, SLOT1, and SLOT2 (front panel)—Activity on PORTØ and PORT1

of each of these slots varies, depending on the type of WIC or VIC installed. Refer to Table 4 in the “Cisco 1750 Router Overview” chapter for detailed information on activity at different ports.

• SLOT 0 and SLOT 1 OK (rear panel)—On when a WIC or VIC is correctly

installed in the slot.

• SLOT 2 OK (rear panel)—On when a VIC is correctly installed in the slot.

• LINK (rear panel)—On when the router is correctly connected to the local

Ethernet LAN through the 10/100-Mbps Ethernet port.

Optional Installation Steps

This section describes the following installation steps that you might or might not use, depending on your site and how you are configuring the router:

• Connecting a PC

• Connecting a Modem

• Wall-Mounting

Cisco 1750 Router Hardware Installation Guide

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Connecting a PC

If you want to configure the router through the Cisco IOS command-line interface (CLI), you must connect the router console port to a terminal or PC. The cable and adapter required for this connection are included with the router.

To configure the router with a PC, the PC must have some type of terminal emulation software installed. The software should be configured with the following parameters: 9600 baud, 8 data bits, no parity, 1 stop bit, no flow control. Refer to the Cisco 1700 Router Software Configuration Guide for detailed information about configuring the router using Cisco IOS software.

Follow these steps to connect the router to a terminal or PC:

Step 1 Connect the light blue console cable to the blue Console port on the router, as

shown in Figure 5.

Step 2 Use the console adapter to connect the other end of the cable to the terminal or

PC. If your terminal or PC has a console port that does not fit the adapter included with the router, you must provide the correct adapter for that port.

Optional Installation Steps

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Cisco 1750 Router Hardware Installation Guide

Optional Installation Steps

17481

Figure 5 Connecting the Console Cable to the Router

VIC

IN USE

2FXS

SEE MANUAL BEFORE INSTALLATION

T 1 O

SLO

T 0 O

Light blue

console cable

IN USE

Cisco 1750

SLOT 1

100

LINK

10/100 ETHERNET

SLOT 2

VIC

IN USE

2FXO

LOT 0

SEE MANUAL BEFORE INSTALLATION

THIS SLOT ACCEPTS ONLY VOICE INTERFACE CARDS

IN USE

PVDM OK

SLO

T 2 O

+5, +12, -12 VD

Console port

To PC or terminal

xii

Cisco 1750 Router Hardware Installation Guide

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Connecting a Modem

When a modem is connected to the auxiliary port, a remote user can dial into the router and configure it. You can use the light blue console cable that came in the accessory kit. If you are using the light blue cable with the console port, you can use any crossover RJ-45-to-RJ-45 cable.

Follow these steps to connect a modem to the router:

Step 1 Connect one end of the cable to the black AUX port on the router rear panel.

Step 2 Connect the adapter labeled Modem to the other end of the cable.

Step 3 Connect the DB-25 end of the adapter to the modem.

Figure 6 Connecting a Modem to the Router

Optional Installation Steps

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IN USE

S L

O T

Modem cable

N U

L B

IN USE

R E

Model Cisco 1750

S T

L A

L O

V IC

IN USE

2 F

L O

IN USE

HIS S

CEPT F D

0 0

N E

LY VOICE

INT

ERFA

CAR

P V

M O

L O

+5, +12, -12 VDC

46568

AUX port (RJ-45)

Modem

DB-9-to-DB-25 adapter

EIA/TIA-232

Cisco 1750 Router Hardware Installation Guide

xiii

Optional Installation Steps

Wall-Mounting

The router can be wall-mounted using two number 6, 3/4-inch screws and the molded mounting brackets on the bottom of the hub. You must provide the screws. We recommend using pan-head or round-head screws.

Figure 7 Wall-Mount Brackets—Bottom of Router

Front panel of router

Mounting

bracket

Bottom

of router

Mounting

bracket

3.75"

(9.52 cm)

Mounting bracket

12016

Follow these steps to mount the router on a wall or other surface:

Step 1 Install the two screws 3.75 inches (9.52 centimeters) horizontally apart on a wall

or other vertical surface.

The screws should protrude 0.25 inches (0.64 centimeters) from the surface of the wall.

Step 2 Hang the router on the screws with either the left side or right side mounting

brackets so that

• The LEDs are visible to the user. The LEDs indicate the router operating

status, so the LEDs should be easily visible.

• The power supply does not hang from its cable. If the power supply is not

supported, it might disconnect from the cable that connects it to the router.

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Cisco 1750 Router Hardware Installation Guide

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Optional Installation Steps

Caution If you install the screws in drywall, use hollow wall anchors

(1/8 inch by 5/16 inch) to secure the screws. If the screws are not properly anchored, the strain of the cables connected to the router rear-panel connectors could pull the router from the wall.

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Cisco 1750 Router Hardware Installation Guide

Optional Installation Steps

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Cisco 1750 Router Hardware Installation Guide

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Troubleshooting

Use the information in this chapter to help isolate problems you might encounter with the router or to rule out the router as the source of the problem.

This chapter contains the following sections:

• Contacting Cisco or Your Reseller

• Recovering a Lost Password

• Problem Solving

Contacting Cisco or Your Reseller

If you cannot locate the source of a problem, contact your local reseller for advice. Before you call, you should have the following information ready:

• Chassis type and serial number

• Maintenance agreement or warranty information

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• Cisco IOS release installed on your router

• Date you received the router

• Brief description of the problem

• Brief description of the steps you have taken to isolate the problem

Cisco 1750 Router Hardware Installation Guide

Recovering a Lost Password

• Output from the show tech-support command

Recovering a Lost Password

This section describes how to recover a lost enable or enable secret password. The process of recovering a password consists of the following major steps:

• Changing the Configuration Register

• Resetting the Router

• Resetting the Password (for lost enable secret passwords only)

• Resetting the Configuration Register Value

Note See the “Hot Tips” section on Cisco Connection Online (CCO) for

additional information on replacing enable secret passwords.

Changing the Configuration Register

Follow these steps to change the configuration register:

Step 1 Connect an ASCII terminal or a PC running a terminal-emulation program to the

console port on the rear panel of the router. Refer to the section “Connecting a PC” in the “Installation” chapter.

Step 2 Configure the terminal to operate at 9600 baud, 8 data bits, no parity, and

1stopbit.

Step 3 Reboot the router by pressing the power switch to the off position, and then to the

on ( | ) position.

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Recovering a Lost Password

Step 4 At the user EXEC prompt (Router>), enter the show version command to display

the existing configuration register value (shown in bold in this example output):

Router> show version Cisco Internetwork Operating System Software IOS (tm) C1700 Software (C1700-SV3Y-M), Experimental Version

ROM: System Bootstrap, Version 12.0(1)XA1,RELEASE SOFTWARE (fc1)

Router uptime is 15 minutes System restarted by power-on System image file is “flash:syaji/c1700-sv3y-mz”

cisco 1750 (MPC860) processor (revision 0x00) with 24576K/8192K bytes of memory. Processor board ID 0000 (1314672220), with hardware revision 0000 M860 processor: part number 0, mask 32 Bridging software. X.25 software, Version 3.0.0. 1 FastEthernet/IEEE 802.3 interface(s) 2 Low-speed serial(sync/async) network interface(s) 2 Voice FXS interface(s) 2 Voice E & M interface(s) 32K bytes of non-volatile configuration memory. 8192K bytes of processor board System flash (Read/Write)

Configuration register is 0x0

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Step 5 Record the setting of the configuration register. It is usually 0x0.

Step 6 Record the break setting.

• Break enabled—bit 8 is set to 0.

• Break disabled (default setting)—bit 8 is set to 1.

Cisco 1750 Router Hardware Installation Guide

iii

Recovering a Lost Password

Resetting the Router

Follow these steps to reset the router:

Step 1 Do one of the following:

• If break is enabled, go to Step 2.

• If break is disabled, turn the router off, wait 5 seconds, and turn it on again.

Within 60 seconds, press the Break key. The terminal displays the ROM monitor prompt. Go to Step 3.

Note Some terminal keyboards have a key labeled Break. If your

keyboard does not have a Break key, refer to the documentation that came with the terminal for instructions on how to send a break. To send a break in Windows HyperTerminal, enter Ctrl-Break.

Step 2 Send a break. The terminal displays the following prompt:

rommon 2>

Step 3 Enter confreg 0x142 to reset the configuration register:

rommon 2> confreg 0x142

Step 4 Initialize the router by entering the reset command:

rommon 2> reset

The router resets, and the configuration register is set to 0x142. The router boots the system image in Flash memory and displays the following:

--- System Configuration Dialog ---

Step 5 Enter no in response to the prompts until the following message is displayed:

Press RETURN to get started!

Step 6 Press Return. The following prompt appears:

Router>

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Recovering a Lost Password

Step 7 Enter the enable command to enter privileged EXEC mode. Configuration

changes can be made only in this mode.

Router> enable

The prompt changes to the privileged EXEC prompt:

Router#

Step 8 Enter the show startup-config command to display an enable password in the

configuration file:

Router# show startup-config

Step 9 Enter the copy startup-config running-config command to return to your startup

configuration:

Router# copy startup-config running-config

If you are recovering an enable password, skip the following “Resetting the Password” section, and complete the password recovery process by performing the steps in the next section, “Resetting the Configuration Register Value.”

If you are recovering an enable secret password, you will not see the display in the show startup-config command output. Complete the password recovery process by performing the steps in the following “Resetting the Password” section.

Resetting the Password

Follow these steps to reset the password:

Step 1 Enter the configure terminal command to enter configuration mode:

Router# configure terminal

Step 2 Enter the enable secret command to reset the enable secret password in the

router:

Router(config)# enable secret <gobbledegook>

Step 3 Enter the config-register command and the original configuration register value

that you recorded in Step 5 in the “Changing the Configuration Register” section earlier in this chapter.

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Cisco 1750 Router Hardware Installation Guide

Problem Solving

Step 4 Press Ctrl-Z to exit configuration mode.

Router(config)# Ctrl-Z

Step 5 Save your configuration changes:

Router# copy running-config startup-config

Resetting the Configuration Register Value

Follow these steps once you have recovered or reconfigured a password:

Step 1 Enter the configure terminal command to enter configuration mode:

Router# configure terminal

Step 2 Enter the config-register command and the original configuration register value

that you recorded in Step 5.

Step 3 Press Ctrl-Z to exit configuration mode:

Router(config)# Ctrl-Z

Step 4 Reboot the router, and enter the recovered password.

Problem Solving

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

When problem solving, consider the following subsystems of the router:

• WICs and VICs—Refer to the LEDs on the cards and the LEDs on the router

front panel to help identify a failure. For more information on WICs and VICs, refer to the Cisco WAN Interface Cards Hardware Installation Guide that comes with each card.

• Cables—Check all the external cables that connect the router to the network.

• Power system—Check the external power source, power cable, router power

supply, and circuit breaker. Check for inadequate ventilation or air circulation that might cause overheating.

Cisco 1750 Router Hardware Installation Guide

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• ISDN configuration—Consider ISDN-specific hardware and software

configurations (ISDN BRI WICs only).

OK LED Diagnostics

Use the front-panel OK LED to help determine any problems with the router. When the router first boots up, it performs a power-on self-test (POST). If the router detects a problem during the POST, the OK LED blinks in a different pattern (described in Table 1), depending on the problem. A pattern is a specific number of blinks that is repeated until the router is turned off. If the router experiences any of these problems, contact your Cisco reseller.

Table 1 OK LED Blinking Patterns

Number of Blinks Meaning

2 The 860T dual-port RAM (DPRAM) failed.

3 The parameter RAM area of the 860T DPRAM failed.

4 The 860T system protection control register has a write

5 The router cannot detect the dynamic RAM (DRAM).

6 The user programmable machine has a write failure.

9 The router DRAM failed.

Problem Solving

failure.

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Cisco 1750 Router Hardware Installation Guide

vii

Problem Solving

Troubleshooting WICs and VICs

Use the show diag command to help determine problems with a card.

Router#show diag Slot 0:

C1750 1FE VE Mainboard port adapter, 7 ports Port adapter is analyzed Port adapter insertion time unknown EEPROM contents at hardware discovery: Hardware revision 0.0 Board revision UNKNOWN Serial number 1314672220 Part number 00-0000-00 Test history 0x0 RMA number 00-00-00 0x20:01 C9 00 00 4E 5C 4E 5C 00 00 00 00 00 00 00 00 0x30:00 00 00 04 00 00 00 00 00 00 00 00 00 00 00 00

WIC Slot 0:

Serial 2A/S (12in1) WAN daughter card Hardware revision 1.0 Board revision A0 Serial number 0007947084Part number 800-03182-01 Test history 0x00 RMA number 00-00-00 Connector type PCI EEPROM format version 1 EEPROM contents (hex): 0x20: 01 13 01 00 00 79 43 4C 50 0C 6E 01 00 00 00 00 0x30: 50 00 00 00 98 04 17 17 FF FF FF FF FF FF FF FF

WIC Slot 1:

Dual FXS Voice Interface Card WAN daughter card Hardware revision 1.1 Board revision C0 Serial number 0009907586 Part number 800-02493-01 Test history 0x00 RMA number 00-00-00 Connector type WAN Module EEPROM format version 1 EEPROM contents (hex): 0x20: 01 0E 01 01 00 97 2D 82 50 09 BD 01 00 00 00 00 0x30: 60 00 00 00 98 08 22 01 FF FF FF FF FF FF FF FF

viii

The show diag command displays similar information for each port available on the router.

Cisco 1750 Router Hardware Installation Guide

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Table 2 lists problems that could occur with the WICs and VICs and the possible solutions of these problems.

Table 2 Troubleshooting WICs and VICs

Symptom Possible Solution(s)

Router does not recognize the card.

• Confirm that the Cisco IOS release installed in the router

supports the WIC or VIC.

• Make sure you have a Cisco IOS feature set that supports voice.

The Cisco WAN Interface Cards Hardware Installation Guide lists the software requirements for each card.

• Make sure that the card is correctly installed in the router. Refer

to the “Installing WICs and VICs” section in the “Installation” chapter.

Router recognizes the card(s), but the card port(s) do not initialize.

• Make sure that the card is correctly installed in the router. Refer

to the “Installing WICs and VICs” section in the “Installation” chapter.

• Check the external cable connections to make sure they are

secure.

Router does not boot properly or continuously or intermittently reboots.

Router does not boot or reset

Make sure that the WIC or VIC is correctly installed in the router. Refer to the “Installing WICs and VICs” section in the “Installation” chapter.

There might be a short. Turn off the router immediately.

after the WIC or VIC is inserted.

Router boots, but the console screen is frozen.

• Make sure the console cable is securely connected to the router

and to the PC or terminal.

• Verify that the parameters for your terminal are set to the

following:

–

9600 baud

Problem Solving

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–

8 data bits

–

No parity

–

1 stop bit

–

no flow control

Cisco 1750 Router Hardware Installation Guide

Problem Solving

Table 2 Troubleshooting WICs and VICs (continued)

Symptom Possible Solution(s)

Router powers on and boots only when a particular WIC or VIC is removed from the router.

• Confirm that the Cisco IOS release installed in the router

supports the WIC or VIC. The Cisco WAN Interface Cards Hardware Installation Guide lists the software requirements for

each card.

• The router might be overheating. Contact your Cisco reseller.

Router powers on and boots only when a particular cable is

There might be a problem with the WIC or VIC cables. Consult your Cisco reseller for warranty information.

disconnected.

Troubleshooting the Power System

If the router external power supply fails, return it to your Cisco reseller. Table 3 lists symptoms and possible solutions of power problems.

Table 3 Troubleshooting the Power System

Symptom Possible Solution(s)

Router shuts down after being on for a short time.

• Make sure that the area in which the router is installed

meets the environmental site requirements in the “Technical Specifications” appendix in this guide and in the “Site Requirements” section in the Regulatory

Compliance and Safety Information for the Cisco 1600 and Cisco 1700 Routers document that came with your router.

• Make sure nothing is blocking the fan vent on top of the

router.

• If the front-panel PWR LED is not on, the power supply has

failed.

The router attempts to boot, but all LEDs remain off.

Cisco 1750 Router Hardware Installation Guide

The power supply has failed. Return the router to your Cisco reseller.

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Table 3 Troubleshooting the Power System

Symptom Possible Solution(s)

The router is on, but the front-panel PWR LED is off.

The front-panel PWR LED is on, the front-panel OK LED is off, and the

The power supply has failed. Return the router to your Cisco reseller.

The power supply has failed. Return the router to your

Cisco reseller. router does not pass console or EIA data.

Troubleshooting ISDN

Because ISDN uses many variables and supports many different configurations, it sometimes can cause problems for the router. This section describes problems related to the ISDN line that might occur.

Two commands are useful when troubleshooting ISDN:

• For routers with an ISDN S/T WIC, enter the clear interface command to

terminate any active ISDN calls and to reset the ISDN BRI interface. Do this for each ISDN port installed in the router:

Router# clear interface bri0 Router# clear interface bri1

Problem Solving

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• For routers with an ISDN U WIC, use the clear controller command to

terminate any active ISDN calls, to reset the ISDN BRI interface, and to reset the ISDN line between the router and the central office switch. Do this for each ISDN port installed in the router:

Router# clear controller bri0 Router# clear controller bri1

Table 4 lists troubleshooting methods for ISDN-specific problems that might occur.

Cisco 1750 Router Hardware Installation Guide

Problem Solving

Table 4 Troubleshooting ISDN

WIC Symptom Check the Following Possible Solution(s)

ISDN S/T Router is on,

but the OK LED on the card is off.

• Is the OK LED on the

router front panel on?

• Are all ISDN cables

properly connected?

• If no, the router might be

malfunctioning. Contact your Cisco reseller.

• If yes, the ISDN line might be

malfunctioning. Check with your ISDN service provider.

• Is the NT1 LED on? • If no, the NT1 might be

malfunctioning.

ISDN U Router is on,

but the NT1 LED on the card is off.

• Is the OK LED on? • If no, the router might be

malfunctioning. Contact your Cisco reseller.

• Are all ISDN cables

properly connected?

• If yes, the ISDN line might be

malfunctioning. Check with your ISDN service provider.

• Is the ISDN line

connected to the card

ISDN U port?

• If yes, the ISDN line might be

malfunctioning. Check with your ISDN service provider.

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Table 4 Troubleshooting ISDN (continued)

WIC Symptom Check the Following Possible Solution(s)

ISDN S/T or ISDN U

Card cannot make a connection to the remote router.

Use show isdn status command to check the following:

• Does the current

ISDN switch type

match actual switch

• Use the isdn switch-type

command to configure correct switch type.

type being used?

• Is Layer 1 status

deactivated?

• Use the show controller bri0

command to check for the messages CO RUNNING LOOPBACK TESTS or CO TESTING. If you receive these messages, contact the service provider.

• If Layer 1 status is

active, does Layer 3

status say “2 Active

Layer 3 calls”?

• Router might have called itself.

Check destination phone number configured with the dialer map command or the dialer string command.

• If Layer 1 status is

active, does Layer 3

status say “No Active

Layer 3 call(s)”?

• Check destination phone number

and make sure it matches the remote router phone number. Check route to the destination and make sure it matches the remote router network address.

• If Layer 1 status is

active, does Layer 3

• Check router protocol

configurations. status say “1 Active Layer 3 call”?

Problem Solving

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Problem Solving

xiv

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Technical Specifications

Table 1 lists hardware and operating specifications for the Cisco 1750 router.

Table 1 Router Specifications

Description Specification

Console port RJ-45

Auxiliary port RJ-45

Ethernet port RJ-45

Dimensions

H x W x D 4 x 11.2 x 8.7 in. (10.16 x 28.45 x 22.10 cm)

Weight

Weight without the cards

Weight with three interface cards

Power supply

External

On-board

3 lb (1.4 kg)

3.5 lb (1.75 kg)

Universal AC/DC switching—Supplies +5V, +12V, and –12V

Supplies 3.3V and –5V

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Cisco 1750 Router Hardware Installation Guide

Table 1 Router Specifications (continued)

Description Specification

Power consumption 18W

Operating Specifications

Operating temperature

32 to 104°F (0° to 40°C)

Storage temperature

Operating humidity

–40 to 149°F (–20° to 65°C)

10 to 85%, noncondensing

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Cabling Specifications

This appendix describes cables and cabling guidelines for the router and contains the following sections:

• Ethernet Cables

• Ethernet Network Cabling Guidelines

• Console Cable and Adapters

• VIC Cables and Pinouts

Note For detailed information about cables used with Cisco WICs and

VICs, refer to the Cisco WAN Interface Cards Hardware Installation Guide that comes with each of the cards.

Ethernet Cables

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This section describes the Ethernet cables that are used to connect the router to your local Ethernet network. A 10/100BaseTX router, like the Cisco 1750 router, requires Category 5 unshielded twisted-pair (UTP) or shielded twisted-pair (STP) cable. Table 1 describes the pinouts for a RJ-45-to-RJ-45 Ethernet cable.

Cisco 1750 Router Hardware Installation Guide

Ethernet Network Cabling Guidelines

Table 1 Straight-Through Ethernet Cable (RJ-45-to-RJ-45) Pinouts

RJ-45 Pin

Signal Direction RJ-45 Pin

1TX+—>1

2TX–—>2

3RX+<—3

6RX–<—6

1. Pins 4, 5, 7, and 8 are not used for signaling but to reduce radiated cable emissions.

Ethernet Network Cabling Guidelines

Table 2 describes some guidelines for creating Ethernet networks. Figures might vary, depending on the manufacturer of the network equipment.

Table 2 Ethernet Cabling Guidelines

Specification 10BaseT 100BaseTX

Maximum segment length

Maximum number of segments per network

100 meters 100 meters

• With Class I

repeaters: 1

• With Class II

repeaters: 2

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Table 2 Ethernet Cabling Guidelines (continued)

Specification 10BaseT 100BaseTX

Maximum hop

count

Maximum number

4 • With Class I

1024 1024 of nodes per segment

Cable type required

UTP

Category 3, 4,

or 5

1. Hop count = Routing metric used to measure the distance between a source and a destination.

Console Cable and Adapters

repeaters: none

• With Class II

repeaters: 1

UTP Category 5 or STP

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A console cable kit is provided with your router. Use this kit when connecting your router to a PC or terminal.

The console cable kit contains:

• RJ-45-to-RJ-45 console cable (light blue)

• DB-9-to-RJ-45 console adapter

Table 2 describes the wiring for the console port, the console cable, and the included adapters. This table also includes pinouts for a DB-9-to-RJ-45 console adapter.

Table 3 Console Cable and Adapter Pinouts

Console (DTE)

Console Port

Console Cable Adapter Adapter

Terminal (DTE)

Signal RJ-45 Pin RJ-45 Pin DB-9 Pin DB-25 Pin Signal

RTS1 8 85CTS

DTR2 7 66DSR

Cisco 1750 Router Hardware Installation Guide

iii

Console Cable and Adapters

Table 3 Console Cable and Adapter Pinouts (continued)

Console (DTE)

Console Port

Console Cable Adapter Adapter

Terminal (DTE)

Signal RJ-45 Pin RJ-45 Pin DB-9 Pin DB-25 Pin Signal

TXD3 6 23RXD

GND 4 5 5 7 GND

GND 5 4 5 7 GND

RXD6 3 32TXD

DSR 7 2 4 20 DTR

CTS8 1 74RTS

Figure 1 illustrates how to identify the console cable, which is also referred to as the rollover cable.

Figure 1 Identifying a Rollover Cable

Pin 1 on one connector and

pin 8 on the other connector

should be the same color.

Pin 1

Pin 8

H10632

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VIC Cables and Pinouts

This section describes the VIC cables and pinouts for foreign exchange station (FXS), foreign exchange office (FXO), and E&M connectors. Use the following cables to connect the VICs to the network:

• Standard RJ-11 modular telephone cable to connect FXS VIC ports

(color-coded gray) to a telephone or fax machine.

• Standard RJ-11 modular telephone cable to connect FXO VIC ports

(color-coded pink) to the PSTN or to a PBX that does not support E&M signaling.

• Standard RJ-48S connector and cable to connect E&M VIC ports

(color-coded brown) to a PBX line. The cable wiring depends on the PBX type and connection. For details refer to the Cisco WAN Interface Cards Hardware Installation Guide.

Figure 2 shows how to connect the VICs to the network.

Figure 2 Connecting VICs to the Network

VIC Cables and Pinouts

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FXS VIC

VIC

IN USE

FXS

1 0

SEE MANUAL BEFORE INSTALLATION

IN USE

FXO VIC

VIC

IN USE

FXO

1 0

SEE MANUAL BEFORE INSTALLATION

IN USE

E&M VIC

VIC

IN USE

E&M

1 0

SEE MANUAL BEFORE INSTALLATION

IN USE

PBX

10691

Table 4 lists the pinouts for FXS and FXO VIC connectors.

Cisco 1750 Router Hardware Installation Guide

VIC Cables and Pinouts

Note Pins that are not used should not be connected.

Table 4 RJ-11 Pinout

Pin Signal

1–

2–

3Ring

4Tip

5–

6–

The E&M VIC pinout depends on the PBX type and connection. Table 5 lists the pinout for this connector.

Table 5 E&M Pinouts

Pin Signal Description

1 SB –48V signaling

battery

2 M-lead Signaling input

3 R Ring, audio input

4 R or R1 Ring, audio

input/output, or output

5 T or T1 Tip, audio

input/output, or output

6 T Tip, audio input

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Table 5 E&M Pinouts (continued)

Pin Signal Description

7 E-lead Signaling output

8 SG Signaling ground

return

VIC Cables and Pinouts

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VIC Cables and Pinouts

viii

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Installing and Upgrading Memory and Data Modules

This chapter describes how to install or upgrade memory or data modules in your router and contains the following sections:

• Opening the Chassis

• Locating Modules

• Installing a Mini-Flash Module

• Installing a Dual In-Line Memory Module

• Installing a Packet Voice Data Module

• Closing the Chassis

Safety Information

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Warning

This section contains safety information that you should read before installing or upgrading memory in the router.

Before working on a system that has an on/off switch, turn off the power and unplug the power cord.

Cisco 1750 Router Hardware Installation Guide

Safety Information

Warning

Before opening the chassis, disconnect the telephone-network cables to avoid contact with telephone-network voltages.

Do not work on the system or connect or disconnect cables during

periods of lightning activity.

Do not touch the power supply when the power cord is connected. For systems with a power switch, line voltages are present within the power supply even when the power switch is off and the power cord is connected. For systems without a power switch, line voltages are present within the power supply when the power cord is connected.

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

Warning

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

Warning

During this procedure, wear grounding wrist straps to avoid ESD damage to the router. Do not directly touch the backplane with your hand or any metal tool, or you could shock yourself.

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Opening the Chassis

To install or upgrade memory or data modules, you must open the chassis. Opening the chassis requires a number one Phillips screwdriver.

Follow these steps to open the chassis:

Step 1 Make sure the router is turned off and is disconnected from the power supply.

Step 2 Turn the router upside down, and rest the top of the router on a flat surface.

Step 3 Use the Phillips screwdriver to remove the four screws that hold the top and

bottom of the chassis together, as shown in Figure 1.

Step 4 Turn the router back to its original position (right-side up).

Opening the Chassis

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iii

Opening the Chassis

Figure 1 Removing the Chassis Screws

Number 1 Phillips screwdriver

, -12 2

, +1 5

SLOT 2 OK

IN USE

Rear panel

THIS SLOT ACCEPTS ONLY VOICE INTERFACE CARDS

SEE MANUAL BEFORE INSTALLATION

IN USE

2FX

AUX

0 E

/10

LINK

100

T 0

SLO

T 1

SLO

Cisco 1750

T 0 OK

SLO

SEE MANUAL BEFORE INSTALLATION

IN USE

2FX

T 1 O

SLO

IN USE

17486

CONSOLE

T 2

SLO

Top of router

Step 5

Gently pull the top of the router (which is facing up toward you) up and away from the bottom of the router (which is resting on the flat surface).

At this point, disconnect the fan, which is inside the top of the router chassis, from the motherboard. Do this by disconnecting the fan cable from the connector (labeled FAN) on the motherboard.

Step 6 Place the router bottom on an antistatic mat and begin installing memory.

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Locating Modules

Figure 2 shows where to install a dual in-line memory module (DIMM), a packet voice data module (PVDM), and a mini-Flash memory module on the motherboard. The mini-Flash memory module is on the back of the motherboard.

Figure 2 Cisco 1750 Motherboard—Module Locations

Locating Modules

VIC slot 2

WIC/VIC slot 1 (top)

WIC/VIC slot 0 (bottom)

Mini-Flash module slot (back of motherboard)

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DIMM slot

22312

PVDM slot

Cisco 1750 Router Hardware Installation Guide

Installing a Mini-Flash Module

You can install a mini-Flash module (shown in Figure 3) to increase the amount of Flash memory in the router.

Figure 3 Mini-Flash Module

Notched edge

Removing a Mini-Flash Module

Follow these steps to remove a mini-Flash memory module:

Note You need to remove the motherboard from the chassis to remove the

mini-Flash memory module.

Warning

During this procedure, wear grounding wrist straps to avoid ESD damage to the router. Do not directly touch the backplane with your hand or any metal tool, or you could shock yourself.

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Installing a Mini-Flash Module

Step 1 Lift the motherboard from the chassis, turn it upside down, and place it on a flat

surface. The mini-Flash memory module is on the back of the motherboard.

Step 2 Insert your index finger between the mini-Flash memory module and the

mini-Flash memory module release lever, as shown in Figure 4.

Step 3 Firmly pull the release lever away from the module until the module pops up and

away from the module slot.

Figure 4 Removing a Mini-Flash Module

22308

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Mini-Flash module release lever

Cisco 1750 Router Hardware Installation Guide

vii

Installing a Mini-Flash Module

Figure 5 Installing a Mini-Flash Module

Notched edge

Mini-Flash module slot

22309

45 degrees

Follow these steps to install a mini-Flash memory module on the motherboard:

Note You need to remove the motherboard from the chassis to remove the

mini-Flash memory module.

Step 1 Locate the module slot on the motherboard, shown in Figure 2.

Step 2 Hold the module with the notched edge away from you.

Step 3 Insert the module into the module slot at a 45-degree angle, as shown in Figure 5.

Step 4 Press down firmly on the module until you hear a clicking sound and the module

is firmly seated in the slot.

Step 5 Turn the motherboard back to its original position (right-side up) and place it in

the chassis as before.

viii

Cisco 1750 Router Hardware Installation Guide

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Installing a Dual In-Line Memory Module

You can install a dual in-line memory module (DIMM) to increase the amount of dynamic RAM (DRAM) in the router.

Follow these steps to install a DIMM on the router motherboard:

Warning

During this procedure, wear grounding wrist straps to avoid ESD damage to the router. Do not directly touch the backplane with your hand or any metal tool, or you could shock yourself.

Step 1 Locate the DIMM slot on the motherboard, shown in Figure 2.

Step 2 Remove any existing DIMM by pulling the DIMM slot guides (shown in Figure 6)

away from the DIMM and down towards the motherboard.

Step 3 Hold the replacement DIMM with the notched edge away from you and facing the

router.

Step 4 Insert the DIMM into the DIMM slot, making sure that the notches on the edge of

the DIMM are inserted over the bars inside the DIMM slot, as in Figure 6.

Step 5 Press the DIMM firmly into the slot until the slot guides on each side of the slot

move up and over the end of the DIMM, as in Figure 6. If the guides do not move up over the edge of the DIMM, move them with your hands.

Figure 6 Installing a DIMM

DIMM module

DIMM slot

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DIMM slot guides

Cisco 1750 Router Hardware Installation Guide

12611

Installing a Packet Voice Data Module

You can install a packet voice data module (PVDM) to support enhanced versions of digital signal processors (DSPs).

Follow these steps to install a PVDM on the router motherboard:

Warning

During this procedure, wear grounding wrist straps to avoid ESD damage to the router. Do not directly touch the backplane with your hand or any metal tool, or you could shock yourself.

Step 1 Locate the PVDM slot on the motherboard, shown in Figure 2.

Step 2 Remove any existing PVDM by pulling the PVDM snaps (shown in Figure 7)

away from the PVDM.

Step 3 Hold the replacement PVDM with the double notched edge on your left.

Step 4 Insert the PVDM into the PVDM slot, making sure that the notches on the edge

of the PVDM are inserted over the bars inside the PVDM slot, as in Figure 7.

Step 5 Push the module towards the slot and press firmly until you hear a clicking sound

and the module is firmly seated in the slot, as shown in Figure 7.

Figure 7 Installing a PVDM

PVDM module

PVDM snaps

PVDM slot

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Cisco 1750 Router Hardware Installation Guide

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Closing the Chassis

After installing memory or data modules on the motherboard, close the chassis by following these steps:

Step 1 If you disconnected the fan from the motherboard as described in the “Opening

the Chassis” section, reconnect the fan cable to the connector labeled FAN on the motherboard.

Step 2 Locate the posts that protrude from the inside of the chassis cover and the

corresponding openings on the chassis bottom.

Step 3 Line up the posts with the corresponding openings, as shown in Figure 8, and

carefully slide the posts into the openings. Be careful not to damage the router motherboard with the posts.

Step 4 Replace the screws that you removed when opening the chassis. (See Figure 1.)

Closing the Chassis

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Cisco 1750 Router Hardware Installation Guide

Closing the Chassis

Figure 8 Closing the Chassis

VIC 2FXS

IN USE

SEE MANUAL BEFORE INSTALLATION

IN USE

xii

VIC 2FXO

IN USE

SEE MANUAL BEFORE INSTALLATION

IN USE

Cisco 1750 Router Hardware Installation Guide

22311

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INDEX

accessory kit 1-xi

adapter, included 1-xi

adapters

console

B-iii

audience x

AutoInstall support 1-iii

auxiliary port

connecting

2-xiii

featured 1-iii

illustrated 1-iv

specifications A-i

break, sending to router 3-iv

cables

and rear-panel LEDs

console 2-xi, B-iii

Ethernet 2-ii, B-i

included with router 1-xi

1-v

required 1-xi

rollover B-iv

serial 1-xii

specifications B-i

VIC B-v

caution described xi

chassis

closing

C-xi

dimensions A-i

opening C-iii

Cisco, contacts 3-i

Cisco ConfigMaker support 1-iii

Cisco Networked office stack 1-iii

clear-controller command 3-xi

clear-interface command 3-xi

closing chassis C-xi

command conventions xiv

commands

clear controller

3-xi

clear interface 3-xi

config-register 3-vi

configure terminal 3-v

copy 3-vi

dialer map 3-xiii

dialer string 3-xiii

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Cisco 1750 Router Hardware Installation Guide

Index

enable 3-v

enable secret 3-v

isdn switch-type 3-xiii

reset 3-iv

show controller 3-xiii

show isdn status 3-xiii

show startup-config 3-v

show tech-support 3-ii

show version 1-x, 3-iii

ConfigMaker support 1-iii

configuration register

resetting

3-ii, 3-iv, 3-vi

configure-terminal command 3-v

connecting

router to a modem

2-xiii

router to a PC 2-xi

router to local network 2-ii

router to power 2-ix

connectors, rear panel 1-iv

console port

connecting

2-xi

featured 1-iii, 1-iv

illustrated 1-iv

specifications A-i

contacts, Cisco and reseller 3-i

conventions

command

xiv

text xi

copy command 3-vi

dialer-map command 3-xiii

dialer-string command 3-xiii

digital signal processor C-x

DIMM

installing

C-ix

locating on router C-v

documentation

included

DRAM overview 1-ix

DSP C-x

E&M VIC port B-v

enable command 3-v

enable password, recovering 3-ii

enable-secret password, recovering 3-v

equipment, required 1-xi

ETH ACT LED 1-vii

ETH COL LED 1-vii

Ethernet cable

connecting

network requirements B-ii

pinouts B-i

Ethernet hub

connecting to

required 1-xi

2-ii

2-iii

Cisco 1750 Router Hardware Installation Guide

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Index

Ethernet port

connecting

2-ii, 2-iii

featured 1-ii

illustrated 1-iv

specifications A-i

Ethernet switch

connecting to

2-iii

required 1-xi

fax support 1-iii

features, key 1-ii

Flash memory

installing

C-vi

locating on router C-v

overview 1-ix

front panel

illustrated

1-vi

LEDs 1-vi

FXO VIC port B-v

FXS VIC port B-v

hardware specifications A-i

indicators

see LEDs

installation

equipment you provide

router 2-i

verifying using LEDs 2-x

installing

DIMM

C-ix

Flash memory C-vi

memory C-i

PVDM C-x

voice interface cards 2-v

wall-mounting 2-v

WAN interface cards 2-v

interface cards, featured 1-iii

IOS

Cisco Systems 1750 User Manual 2

Specifications and Main Features

Frequently Asked Questions

User Manual