Cisco Systems 80O User Manual

Cisco 800 Series Routers Hardware Installation Guide

Corporate Headquarters

Cisco Systems, Inc.
170 West Tasman Drive
San Jose, CA 95134-1706
USA
http://www.cisco.com
Tel: [phone]

800 553-NETS (6387)

Fax: [phone]

Customer Order Number: DOC-785373=
Text Part Number: 78-5373-04

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

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

The following information is for FCC compliance of Class A devices: This equipment has been tested and found to comply with the limits for a Class
A digital device, pursuant to part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful interference when
the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio-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
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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. (0502R)

Cisco 800 Series Routers Hardware Installation Guide

Copyright © 2005 Cisco Systems, Inc. All rights reserved.

About This Guide vii

Audience vii

Organization vii

Conventions vii

Obtaining Documentation ix

Cisco.com ix
Documentation DVD ix
Ordering Documentation ix

Documentation Feedback x

Cisco Product Security Overview x

Reporting Security Problems in Cisco Products x

Obtaining Technical Assistance xi

Cisco Technical Support Website xi
Submitting a Service Request xii
Definitions of Service Request Severity xii

CONTENTS

CHAPTER

CHAPTER

Obtaining Additional Publications and Information xii

1 Overview 1-1

Feature Summary 1-2

Router Ports Summary 1-3

Front Panels 1-3

Back Panels 1-4

LEDs 1-7

2 Installation 2-1

Safety 2-2

European Union Statements 2-2

Network Termination Point Statement 2-3
ISDN S/T Ports Statement 2-3

Preventing Electrostatic Discharge Damage 2-3

Preventing Router Damage 2-4

Unpacking Your Router 2-4

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Contents

Installing Your Router 2-5

Connecting Ethernet Devices 2-6
Connecting an ISDN Line 2-10
Connecting an IDSL Line 2-13
Connecting a Digital Telephone 2-14
Connecting an Analog Telephone, Fax, or Modem 2-15
Connecting a Terminal or PC 2-17
Connecting the Power Supply 2-18

Mounting Your Router 2-18

Mounting on a Table 2-18
Mounting on a Wall 2-19

Verifying Installation 2-20

Where to Go from Here 2-22

CHAPTER

APPENDIX

APPENDIX

G

LOSSARY

I

NDEX

3 Troubleshooting 3-1

Problems During First Startup 3-2

Problems After First Startup 3-3

Problems After Router Is Running 3-5

When Contacting Your Cisco Reseller 3-7

A ISDN and IDSL Concepts A-1

B Specifications and Cables B-1

System Specifications B-1

Port Connector Pinouts B-2

Cabling Specifications B-6

Ethernet Cable Specifications B-7
Maximum Cable Distances B-7

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Audience

About This Guide

This preface discusses the audience, organization, and conventions used in this guide.

This guide is intended for service technicians with all levels of experience in installing routers. The goal
of all technicians is to connect the router to the network as quickly as possible. Where relevant, this guide
explains how the router is implemented and why. Conceptual information is usually in a separate section
or appendix so that technicians who are not interested can skip this information.

Organization

This guide contains the following information:

Conventions

This section describes the conventions used in this guide.

Note Means reader take note. Notes contain helpful suggestions or references to additional information and

material.

• About This Guide—Describes audience, organization, conventions used in this guide, and how to

access related documentation.

• Overview—Contains router features and a description of router LEDs, ports, and other components.

• Installation—Provides information on safety, preventing damage, unpacking, and preparing for

installation as well as installing, mounting, and verifying the connections to your router.

• Troubleshooting—Describes how to identify and solve problems with your router.

• ISDN and IDSL Concepts—Describes how ISDN is implemented on the router.

• Specifications and Cables—Provides router, port, and cable specifications.

• Glossary—Defines technical terms frequently used in this guide.

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Conventions

About This Guide

Caution This symbol means reader be careful. In this situation, you might do something that could result in

equipment damage or loss of data.

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.

viii

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.

Advarsel

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.

Aviso

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.

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About This Guide

Obtaining Documentation

¡Atención!

Varning!

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.

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

Documentation DVD

Cisco documentation and additional literature are available in a Documentation DVD package, which
may have shipped with your product. The Documentation DVD is updated regularly and may be more
current than printed documentation. The Documentation DVD package is available as a single unit.

Registered Cisco.com users (Cisco direct customers) can order a Cisco Documentation DVD (product
number DOC-DOCDVD=) from the Ordering tool or Cisco Marketplace.

Cisco Ordering tool:

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

Cisco Marketplace:

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

Ordering Documentation

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You can find instructions for ordering documentation at this URL:

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

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Documentation Feedback

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/

• 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 [e-mail].

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.

About This Guide

Cisco Product Security Overview

Cisco provides a free online Security Vulnerability Policy portal at this URL:

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

From this site, you can perform these tasks:

• Report security vulnerabilities in Cisco products.

• Obtain assistance with security incidents that involve Cisco products.

• Register to receive security information from Cisco.

A current list of security advisories and notices for Cisco products is available at this URL:

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

If you prefer to see advisories and notices as they are updated in real time, you can access a Product
Security Incident Response Team Really Simple Syndication (PSIRT RSS) feed from this URL:

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

Reporting Security Problems in Cisco Products

Cisco is committed to delivering secure products. We test our products internally before we release them,
and we strive to correct all vulnerabilities quickly. If you think that you might have identified a
vulnerability in a Cisco product, contact PSIRT:

• Emergencies— [e-mail]

• Nonemergencies— [e-mail]

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About This Guide

Tip We encourage you to use Pretty Good Privacy (PGP) or a compatible product to encrypt any sensitive

information that you send to Cisco. PSIRT can work from encrypted information that is compatible with
PGP versions 2.x through 8.x.

Never use a revoked or an expired encryption key. The correct public key to use in your correspondence
with PSIRT is the one that has the most recent creation date in this public key server list:

http://pgp.mit.edu:11371/pks/lookup?search=psirt%40cisco.com&op=index&exact=on

In an emergency, you can also reach PSIRT by telephone:

• 1 877 228-7302

• 1 408 525-6532

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.

Obtaining Technical Assistance

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

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 Too l s & R e so u r ce s 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.

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Obtaining Additional Publications and Information

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:

Asia-Pacific: [phone] (Australia: 1 800 805 227)
EMEA: [phone]
USA: 1 800 553-2447

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

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

About This Guide

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

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/

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About This Guide

Obtaining Additional Publications and Information

• 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

• Pack et 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

• 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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Obtaining Additional Publications and Information

About This Guide

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CHA P T E R

1

Overview

The Cisco 800 series routers connect small professional offices or telecommuters over Integrated
Services Digital Network (ISDN) Basic Rate Interface (BRI) lines to the Corporate LANs and the
Internet. The routers offer bridging and multiprotocol routing capability between LAN and WAN ports.

This chapter contains the following topics:

• Feature Summary

• Router Ports Summary

• Front Panels

• Back Panels

• LEDs

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1-1

Feature Summary

Feature Summary

Table 1-1 summarizes the features of the Cisco 800 series routers.

Table 1-1 Cisco 800 Series Feature Summary

Feature Routers Description

10BASE-T Ethernet port(s) All Provides connection to 10BASE-T (10 Mbps)

Ethernet networks. Compatible with
10/100-Mbps devices.

ISDN BRI S/T port Cisco 801 and 803 Provides connection to ISDN S/T network.

ISDN BRI U port Cisco 802 and 804 Provides connection to ISDN U network.

IDSL port Cisco 802 IDSL

and 804 IDSL

Telephone ports Cisco 803 and 804 Provide connection to telephone, fax machine,

Internal Network Termination 1

Cisco 802 and 804 Eliminates need for an external NT1 in North

(NT1)

Flash memory All 8 MB of Flash memory.

Dynamic RAM (DRAM) All 4 MB of DRAM.

Easily distinguishable ISDN

All ISDN B-channel LEDs in a different color

B-channel LEDs

Ease of installation All Color-coded ports and cables to reduce the

Cisco IOS software All Supports Cisco IOS software.

Cisco 800 Fast Step application All Provides a Windows 95–, Windows 98–, and

Console port All Provides connection to terminal or PC for

Provides connection to IDSL network.

or modem, which are connected to telephone
services through ISDN line.

America.

1

2

2

from other LEDs.

chance of error.

Windows NT–based software tool for basic
configurations.

software configuration using command-line
interface and for troubleshooting.

Chapter 1 Overview

Note The console port is a service port.

Cable lock All Provides a way to physically secure the router.

Locking power connector All Locks power connector in place.

Wall-mount feature All Brackets on router bottom provide a way to

mount router on wall or vertical surface.

1. Although the ISDN U interfaces on the Cisco 802 and Cisco 804 routers provide internal NT1s, the routers themselves do not
function as NT1s. You cannot connect S/T devices to Cisco 802 and Cisco 804 routers.

2. An additional 8 MB of Flash memory and 4 or 8 MB of DRAM can be added at the factory or later. You can order upgrade
kits and have trained and qualified personnel add the memory. The Cisco product number for the 8-MB Flash memory upgrade
kit is MEM800-8F and the numbers for the DRAM upgrade kits are MEM800-4D and MEM800-8D.

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Chapter 1 Overview

Router Ports Summary

Table 1-2 lists the Cisco 800 series routers and ports.

Table 1-2 Router Ports

Router Ethernet Ports ISDN Ports Telephone Ports

Cisco 801 One ISDN BRI S/T None

Cisco 802 One ISDN BRI U None

Cisco 802 IDSL One IDSL None

Cisco 803 Four ISDN BRI S/T Two

Cisco 804 Four ISDN BRI U Two

Cisco 804 IDSL Four IDSL None

Front Panels

Router Ports Summary

The figures in this section show the front panel of the Cisco 800 series routers.

Figure 1-1 Cisco 801, Cisco 802, and Cisco 802 IDSL Front Panel

NT1 LED on

Cisco 802 and

802 IDSL routers only

Figure 1-2 Cisco 803 and Cisco 804 Front Panel

NT1 LED on

Cisco 804 router only

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Back Panels

Chapter 1 Overview

Figure 1-3 Cisco 804 IDSL Front Panel

Back Panels

The figures in this section show the back panel of each of the Cisco 800 series routers.

If the symbol of suitability ( ) appears above a port, you can connect the port directly to a public
network that follows the European Union standards.

Warning

Figure 1-4 Cisco 801 Router Back Panel

If the symbol of suitability with an overlaid cross ( ) appears above a port, you must not connect the
port to a public network that follows the European Union standards. Connecting the port to this type
of public network can cause severe injury or damage your router.

Link LED

Indicates state
of Ethernet
port. On when
connected.

IDSL

ETHERNET

Ethernet port

Connect Ethernet
network device.

IDSL

ISDN BRI S/T port
Connect to external
NT1 or ISDN wall jack.

30770

Power switch

l = On.
= Standby or no power output.

1-4

HUB
NO HUB

ETHERNET

10 BASE T

Cable lock

Use cable
lock to
physically
secure

LINK

HUB/NO HUB button

(for Ethernet port)
Determines cable
type for Ethernet
device connection.

router.

Cisco 800 Series Routers Hardware Installation Guide

Cisco 801

CONSOLE

ISDN S/T

Console port

Connect PC or
terminal.

11666

Locking power
connector

Connect power
supply.

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Chapter 1 Overview

Figure 1-5 Cisco 802 Router Back Panel

Back Panels

Link LED

Indicates state
of Ethernet port.

Cable lock

Use cable
lock to
physically
secure

Ethernet port

Connect Ethernet
network device.

HUB

LINK

NO HUB

HUB/NO HUB button

(for Ethernet port)
Determines cable
type for Ethernet
device connection.

router.

Figure 1-6 Cisco 803 Router Back Panel

Ethernet ports
Connect Ethernet
network devices.

ETHERNET

10 BASE T

ISDN BRI U port

Connect to
ISDN wall jack.

Cisco 802

CONSOLE

ISDN U

Console port

Connect PC
or terminal.

ISDN BRI S/T port
Connect to external
NT1 or ISDN wall jack.

Power switch

l = On.
= Standby or no power output.

Locking power
connector

Connect power
supply.

Telephone ports
Connect to telephone,
fax machine, or modem.

11667

Power switch

l = On.
= Standby or
no power output.

Cable lock

Use cable
lock to
physically
secure
router.

HUB
NO HUB

ETHERNET 10 BASE T

0

1

2

HUB/NO HUB button

(for Ethernet port 0)
Determines cable
type for Ethernet
device connection.

Cisco 803

CONSOLE

3

Console port

Connect PC or
terminal.

ISDN S/T

PHONE

1

2

Locking power
connector

Connect power
supply.

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Back Panels

Figure 1-7 Cisco 804 Router Back Panel

Chapter 1 Overview

Ethernet ports
Connect Ethernet
network devices.

HUB
NO HUB

0

Cable lock

Use cable
lock to
physically
secure
router.

HUB/NO HUB button
(for Ethernet port 0)
Determines cable
type for Ethernet
device connection.

Figure 1-8 Cisco 802 IDSL Router Back Panel

Link LED

Indicates state
of Ethernet port.

Ethernet port

Connect Ethernet
network device.

IDSL port
Connect to
IDSL wall jack.

ETHERNET 10 BASE T

1

2

ISDN BRI U port

Connect to ISDN
wall jack.

Cisco 804

CONSOLE

3

Console port

Connect PC or
terminal.

Telephone ports
Connect to telephone,
fax machine, or
modem.

ISDN U

PHO

NE

1

2

Locking power
connector

Connect power
supply.

Power switch

l = On.
= Standby or no power output.

Power switch

l = On.
= Standby or no

power output.

11669

Cable lock

Use cable
lock to
physically
secure
router.

TO HUB
TO PC

ETHERNET

10 BASE T

LINK

TO HUB/TO PC

(for Ethernet port)
Determines cable
type for Ethernet
device connection.

Cisco 802 IDSL

CONSOLE

Console port

Connect PC
or terminal.

IDSL

30771

Locking power
connector

Connect power
supply.

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Chapter 1 Overview

Figure 1-9 Cisco 804 IDSL Router Back Panel

LEDs

Cable lock

Use cable
lock to
physically
secure
router.

LEDs

Ethernet ports
Connect Ethernet
network devices.

TO HUB
TO PC

TO HUB/TO PC

(for Ethernet port 1)
Determines cable
type for Ethernet
device connection.

ETHERNET 10 BASE T

1

2

Table 1-3 summarizes the function of each LED.

3

4

IDSL port

Connect to IDSL
wall jack.

Cisco 804 IDSL

CONSOLE

IDSL

Console port

Connect PC or
terminal.

Power switch

l = On.
= Standby or no

power output.

30772

Locking power
connector

Connect power
supply.

Table 1-3 LED Functions

LED Color Function

OK Green On when power is supplied to the router and when the router completes the

self-test procedure and begins operating.

NT1 Green Not applicable for Cisco 801 and 803 routers.

On when the internal NT1 and the ISDN switch are synchronized.
Blinks when the internal NT1 and the ISDN switch are attempting to
synchronize.

LINE Green On when the ISDN interface and the ISDN terminal device are synchronized.

LAN Green On when packets are sent to or received from an Ethernet port.

LAN RXD Green Blinks when an Ethernet port receives a packet.

LAN TXD Green Blinks when an Ethernet port sends a packet.

LKØ, LK1,
LK2, LK3

Green Cisco 803 and 804 routers only.

On when the Ethernet device is connected.
Off when the Ethernet device is not connected.
Blinks when the connection has a problem. See the “Troubleshooting”
chapter.

ETHERNET
1, 2, 3, 4

Green Cisco 804 IDSL routers only.

On when the Ethernet device is connected.
Off when the Ethernet device is not connected.
Blinks when the connection has a problem. See the “Troubleshooting”
chapter.

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