Cisco 1800 Series Integrated Services
Routers (Fixed) Hardware Installation
Guide
Americas Headquarters
Cisco Systems, Inc.
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Fax: 408 527-0883
Text Part Number: OL-6425-03
THE SPECIFICATIONS AND INFORMATION REGARDING THE PRODUCTS IN THIS MANUAL ARE SUBJECT TO CHANGE WITHOUT NOTICE. ALL
STATEMENTS, INFORMATION, AND RECOMMENDATIONS IN THIS MANUAL ARE BELIEVED TO BE ACCURATE BUT ARE PRESENTED WITHOUT
WARRANTY OF ANY KIND, EXPRESS OR IMPLIED. USERS MUST TAKE FULL RESPONSIBILITY FOR THEIR APPLICATION OF ANY PRODUCTS.
THE SOFTWARE LICENSE AND LIMITED WARRANTY FOR THE ACCOMPANYING PRODUCT ARE SET FORTH IN THE INFORMATION PACKET THAT
SHIPPED WITH THE PRODUCT AND ARE INCORPORATED HEREIN BY THIS REFERENCE. IF YOU ARE UNABLE TO LOCATE THE SOFTWARE LICENSE
OR LIMITED WARRANTY, CONTACT YOUR CISCO REPRESENTATIVE FOR A COPY.
The following inform ation is for FCC compliance of Class A devices: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant
to part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial
environment. This equipment generates, uses, and can radiate radio-frequency energy and, if not installed and used in accordance with the instruction manual, may cause
harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference, in which case users will be required
to correct the interference at their own expense.
The following information is for FCC compliance of Class B devices: The equipment described in this manual generates and may radiate radio-frequency energy. If it is not
installed in accordance with Cisco’s installation instructions, it may cause interference with radio and television reception. This equipment has been tested and found to
comply with the limits for a Class B digital device in accordance with the specifications in part 15 of the FCC rules. These specifications are designed to provide reasonable
protection against such interference in a residential installation. However, there is no guarantee that interference will not occur in a particular installation.
Modifying the equipment without Cisco’s written authorization may result in the equipment no longer complying with FCC requirements for Class A or Class B digital
devices. In that event, your right to use the equipment may be limited by FCC regulations, and you may be required to correct any interference to radio or television
communications at your own expense.
You can determine whether your equipment is causing interference by turning it off. If the interference stops, it was probably caused by the Cisco equipment or one of its
peripheral devices. If the equipment causes interference to radio or television reception, try to correct the interference by using one or more of the following measures:
• Turn the television or radio antenna until the interference stops.
• Move the equipment to one side or the other of the television or radio.
• Move the equipment farther away from the television or radio.
• Plug the equipment into an outlet that is on a different circuit from the television or radio. (That is, make certain the equipment and the television or radio are on circuits
controlled by different circuit breakers or fuses.)
Modifications to this product not authorized by Cisco Systems, Inc. could void the FCC approval and negate your authority to operate the product.
The Cisco implementation of TCP header compression is an adaptation of a program developed by the University of California, Berkeley (UCB) as part of UCB’s public
domain version of the UNIX operating system. All rights reserved. Copyright © 1981, Regents of the University of California.
NOTWITHSTANDING ANY OTHER WARRANTY HEREIN, ALL DOCUMENT FILES AND SOFTWARE OF THESE SUPPLIERS ARE PROVIDED “AS IS” WITH
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LIMITATION, THOSE OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OR ARISING FROM A COURSE OF
DEALING, USAGE, OR TRADE PRACTICE.
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WITHOUT LIMITATION, LOST PROFITS OR LOSS OR DAMAGE TO DATA ARISING OUT OF THE USE OR INABILITY TO USE THIS MANUAL, EVEN IF CISCO
OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
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are trademarks; Changing the Way We Work, Live, Play, and Learn and Cisco Store are service marks; and Access Registrar, Aironet, AsyncOS, Bringing the Meeting To
You, Catalyst, CCDA, CCDP, CCIE, CCIP, CCNA, CCNP, CCSP, CCVP, Cisco, the Cisco
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and/or its affiliates in the United States and certain other countries.
All other trademarks mentioned in this document or website are the property of their respective owners. The use of the word partner does not imply a partnership relationship
between Cisco and any other company. (0809R)
Cisco 1800 Series Integrated Services Routers (Fixed) Hardware Installation Guide
Copyright ©2005-2008 Cisco Systems, Inc. All rights reserved.
Certified Internetwork Expert logo, Cisco IOS, Cisco Press, Cisco Systems,
logo, LightStream, Linksys, MediaTone, MeetingPlace,
IMPLIED, INCLUDING, WITHOUT
logo are registered trademarks of Cisco Systems, Inc.
Preface iii-vii
Objectives iii-vii
Audience iii-vii
Conventions iii-viii
Safety Warnings iii-viii
Warning Definition iii-ix
Related Documentation iii-xiv
Cisco One-Year Limited Hardware Warranty Terms iii-xiv
iii-xvi
CONTENTS
CHAPTER
1 Overview 1-1
Hardware Features 1-2
Product Serial Number Location 1-2
Feature Summary 1-2
Memory 1-3
Power 1-4
LED Indicators 1-4
Integrated 802.11a/b/g Radio Module (Wireless Models Only) 1-5
Supported Cisco Radio Antennas (Wireless Models Only) 1-6
Chassis Ventilation 1-6
Real-Time Clock 1-6
Kensington Lock 1-7
Chassis Views 1-7
Cisco 1811 Chassis 1-9
Cisco 1812 Chassis 1-10
Interface Numbering 1-11
Specifications 1-12
Cisco Product Identification Tool 1-2
Regulatory Compliance 1-13
CHAPTER
2 Preinstallation Requirements 2-1
Safety Recommendations 2-2
Safety with Electricity 2-2
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Contents
Preventing Electrostatic Discharge Damage 2-3
Additional Warnings for Wireless Routers 2-3
General Safety Guidelines for Wireless Routers 2-3
General Site Requirements 2-4
Power Supply Considerations 2-4
Site Environment 2-4
Wireless LAN Considerations 2-4
Site Configuration 2-5
Installation Checklist 2-5
Creating a Site Log 2-6
Inspecting the Router 2-7
Required Tools and Equipment for Installation and Maintenance 2-7
CHAPTER
CHAPTER
3 Chassis Installation Procedures 3-1
Setting Up the Chassis 3-1
Setting a Cisco 1800 Series Fixed-Configuration Router on a Desktop 3-2
Chassis Grounding 3-2
Mounting a Cisco 1800 Series Fixed-Configuration Router on a Wall 3-2
Installing the Chassis Ground Connection 3-3
4 Power, Cable, and Antenna Connection Procedures 4-1
Power Connections 4-1
Connecting Routers to AC Power 4-2
Connecting WAN and LAN Cables 4-2
Preparing to Connect to a Network 4-3
Ethernet Connections 4-4
ISDN BRI Connections 4-4
Ports and Cabling 4-4
Connection Procedures and Precautions 4-5
Connecting to a Console Terminal or Modem 4-5
Console and Auxiliary Port Considerations 4-6
Console Port Connections 4-7
Connecting to the Console Port 4-7
Auxiliary Port Connections 4-7
Connecting to the Auxiliary Port 4-8
Connecting the Radio Antennas to the Wireless Router 4-8
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CHAPTER
CHAPTER
5 Power-Up and Initial Configuration Procedures 5-1
Powering Up Cisco 1800 Series Fixed-Configuration Routers 5-1
Checklist for Power Up 5-1
Power-Up Procedure 5-2
Verifying the Front Panel LED Indications 5-3
Verifying the Hardware Configuration 5-3
Configuring the Router 5-3
Initial Configuration Using Cisco Router and Security Device Manager 5-4
Initial Configuration Using the Setup Command Facility 5-4
Initial Configuration Using the Cisco CLI—Manual Configuration 5-7
Verifying the Initial Configuration 5-8
Completing the Configuration 5-9
6 Troubleshooting 6-1
Solving Problems 6-1
Troubleshooting the Power and Cooling Systems 6-2
Normal Indications 6-2
Fault Indications 6-2
Environmental Reporting Features 6-3
Troubleshooting Cables and Connections 6-3
CHAPTER
Reading System LEDs 6-4
Reading Port and Connection LEDs 6-4
System Messages 6-6
Recovering a Lost Password 6-7
More Troubleshooting Help—Cisco Technical Assistance Center 6-7
7 Installing and Upgrading Internal Modules 7-1
Safety Warnings 7-1
Removing the Chassis Cover 7-2
Locating Modules 7-3
Installing and Removing DIMMs 7-4
Removing a DIMM 7-4
Installing a DIMM 7-5
Installing the Optional Inline Power Supply 7-5
Installing the Chassis Cover 7-6
Removing and Installing CompactFlash Cards 7-7
Preventing Electrostatic Discharge Damage 7-7
Removing a CompactFlash Memory Card 7-7
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I
NDEX
Contents
Installing a CompactFlash Memory Card 7-8
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Preface
This introduction describes the objectives, audience, organization, and conventions of this hardware
document, and points to related documents that provide information beyond the scope of this document.
This preface contains the following sections:
• Objectives, page vii
• Audience, page vii
• Conventions, page viii
• Safety Warnings, page viii
• Related Documentation, page xiv
Objectives
Audience
• Cisco One-Year Limited Hardware Warranty Terms, page xiv
• Obtaining Documentation and Submitting a Service Request, page xvi
This document provides comprehensive hardware-related information about Cisco 1800 series
fixed-configuration integrated services routers, including platform description; information about
safety, site preparation, chassis installation and interconnection, power up, initial configuration, and
troubleshooting; and procedures for maintenance and upgrades.
This document provides enough initial software configuration information to establish network
communication. For detailed software configuration information, see the Cisco 1800 Series Integrated
Services Routers (Fixed) Software Configuration Guide and to the Cisco
command reference publications. These publications are available on line. See the
Documentation and Submitting a Service Request” section for more information.
To access warranty, service, and support information, see the “Cisco One-Year Limited Hardware
Warranty Terms” section.
This documentation is designed for the person installing, configuring, and maintaining the router, who
should be familiar with electronic circuitry and wiring practices and has experience as an electronic or
electromechanical technician. It identifies certain procedures that should be performed only by trained
and qualified personnel.
IOS configuration guides and
“Obtaining
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Preface
Conventions
Conventions
This document uses the conventions listed in Ta bl e 1 to convey instructions and information.
Ta b l e 1 Document Conventions
Convention Description
boldface font Commands and keywords.
italic font Variables for which you supply values.
[ ] Optional keywords or arguments appear in square brackets.
{x | y | z} A choice of required keywords appears in braces separated by vertical bars. You must select one.
screen font Examples of information displayed on the screen.
boldface screen
font
< > Nonprinting characters, for example passwords, appear in angle brackets in contexts where italics are
[ ] Default responses to system prompts appear in square brackets.
Examples of information you must enter.
not available.
Note Means reader take note. Notes contain helpful suggestions or references to material not covered in the
manual.
Timesaver Means the described action saves time. You can save time by performing the action described in the
paragraph.
Tip Means the following information will help you solve a problem. The Tip information might not be
troubleshooting or even an action, but could be useful information, similar to a Timesaver.
Caution Means reader be careful. In this situation, you might do something that could result in equipment
damage or loss of data.
Safety Warnings
Safety warnings appear throughout these publications in procedures that, if performed incorrectly, may
harm you. A warning symbol precedes each warning statement. To see translations of the warnings that
appear in these publications, see the Regulatory Compliance and Safety Information for Cisco 1800
Integrated Services Routers (Fixed) document that accompanied your router.
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Warning Definition
Safety Warnings
Warning
Waarschuwing
Varoitus
IMPORTANT SAFETY INSTRUCTIONS
This warning symbol means danger. You are in a situation that could cause bodily injury. Before you
work on any equipment, be aware of the hazards involved with electrical circuitry and be familiar
with standard practices for preventing accidents. To see translations of the warnings that appear in
this publication, refer to the translated safety warnings that accompanied this device.
SAVE THESE INSTRUCTIONS
BELANGRIJKE VEILIGHEIDSINSTRUCTIES
Dit waarschuwingssymbool betekent gevaar. U verkeert in een situatie die lichamelijk letsel kan
veroorzaken. Voordat u aan enige apparatuur gaat werken, dient u zich bewust te zijn van de bij
elektrische schakelingen betrokken risico's en dient u op de hoogte te zijn van de standaard
praktijken om ongelukken te voorkomen. Voor een vertaling van de waarschuwingen die in deze
publicatie verschijnen, dient u de vertaalde veiligheidswaarschuwingen te raadplegen die bij dit
apparaat worden geleverd.
Opmerking BEWAAR DEZE INSTRUCTIES.
TÄRKEITÄ TURVALLISUUTEEN LIITTYVIÄ OHJEITA
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. Tässä asiakirjassa esitettyjen varoitusten
käännökset löydät laitteen mukana toimitetuista ohjeista.
Statement 1071
Attention
Warnung
Huomautus SÄILYTÄ NÄMÄ OHJEET
IMPORTANTES INFORMATIONS DE SÉCURITÉ
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. Pour prendre connaissance des traductions d'avertissements
figurant dans cette publication, consultez les consignes de sécurité traduites qui accompagnent cet
appareil.
Remarque CONSERVEZ CES INFORMATIONS
WICHTIGE SICHERHEITSANWEISUNGEN
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. Übersetzungen der in dieser Veröffentlichung enthaltenen
Warnhinweise sind im Lieferumfang des Geräts enthalten.
Hinweis BEWAHREN SIE DIESE SICHERHEITSANWEISUNGEN AUF
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Safety Warnings
Preface
Avvertenza
Advarsel
Aviso
IMPORTANTI ISTRUZIONI SULLA SICUREZZA
Questo simbolo di avvertenza indica un pericolo. La situazione potrebbe causare infortuni alle
persone. Prima di intervenire su qualsiasi apparecchiatura, occorre essere al corrente dei pericoli
relativi ai circuiti elettrici e conoscere le procedure standard per la prevenzione di incidenti. Per le
traduzioni delle avvertenze riportate in questo documento, vedere le avvertenze di sicurezza che
accompagnano questo dispositivo.
Nota CONSERVARE QUESTE ISTRUZIONI
VIKTIGE SIKKERHETSINSTRUKSJONER
Dette varselssymbolet betyr fare. Du befinner deg i en situasjon som kan forårsake personskade. Før
du utfører arbeid med utstyret, bør du være oppmerksom på farene som er forbundet med elektriske
kretssystemer, og du bør være kjent med vanlig praksis for å unngå ulykker. For å se oversettelser
av advarslene i denne publikasjonen, se de oversatte sikkerhetsvarslene som følger med denne
enheten.
Merk TA VARE PÅ DISSE INSTRUKSJONENE
INSTRUÇÕES IMPORTANTES DE SEGURANÇA
Este símbolo de aviso significa perigo. O utilizador encontra-se numa situação que poderá ser
causadora de lesões corporais. Antes de iniciar a utilização de qualquer equipamento, tenha em
atenção os perigos envolvidos no manuseamento de circuitos eléctricos e familiarize-se com as
práticas habituais de prevenção de acidentes. Para ver traduções dos avisos incluídos nesta
publicação, consulte os avisos de segurança traduzidos que acompanham este dispositivo.
¡Advertencia!
Varning!
Nota GUARDE ESTAS INSTRUÇÕES
INSTRUCCIONES IMPORTANTES DE SEGURIDAD
Este símbolo de aviso indica peligro. Existe riesgo para su integridad física. Antes de manipular
cualquier equipo, considere los riesgos de la corriente eléctrica y familiarícese con los
procedimientos estándar de prevención de accidentes. Vea las traducciones de las advertencias
que acompañan a este dispositivo.
Nota GUARDE ESTAS INSTRUCCIONES
VIKTIGA SÄKERHETSANVISNINGAR
Denna varningssignal signalerar fara. Du befinner dig i en situation som kan leda till personskada.
Innan du utför arbete på någon utrustning måste du vara medveten om farorna med elkretsar och
känna till vanliga förfaranden för att förebygga olyckor. Se översättningarna av de
varningsmeddelanden som finns i denna publikation, och se de översatta säkerhetsvarningarna som
medföljer denna anordning.
OBS! SPARA DESSA ANVISNINGAR
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Safety Warnings
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Safety Warnings
Preface
Aviso
Advarsel
INSTRUÇÕES IMPORTANTES DE SEGURANÇA
Este símbolo de aviso significa perigo. Você se encontra em uma situação em que há risco de lesões
corporais. Antes de trabalhar com qualquer equipamento, esteja ciente dos riscos que envolvem os
circuitos elétricos e familiarize-se com as práticas padrão de prevenção de acidentes. Use o
número da declaração fornecido ao final de cada aviso para localizar sua tradução nos avisos de
segurança traduzidos que acompanham o dispositivo.
GUARDE ESTAS INSTRUÇÕES
VIGTIGE SIKKERHEDSANVISNINGER
Dette advarselssymbol betyder fare. Du befinder dig i en situation med risiko for
legemesbeskadigelse. Før du begynder arbejde på udstyr, skal du være opmærksom på de
involverede risici, der er ved elektriske kredsløb, og du skal sætte dig ind i standardprocedurer til
undgåelse af ulykker. Brug erklæringsnummeret efter hver advarsel for at finde oversættelsen i de
oversatte advarsler, der fulgte med denne enhed.
GEM DISSE ANVISNINGER
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Safety Warnings
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Related Documentation
Related Documentation
The Cisco IOS software that runs your Cisco 1800 series fixed-configuration router provides extensive
features and functionality. For information that is beyond the scope of this document, or for additional
information, use the resources listed in
Timesaver Make sure that you have access to the documents listed in Table 2. Some of these documents are
available in print, and all are available on the World Wide Web. If you need to order printed documents,
see the “Obtaining Documentation and Submitting a Service Request” section on page xvi.
Ta b l e 2 Related and Referenced Documents
Cisco Product Document Title
Cisco 1800 series
fixed-configuration routers
Cisco access router
wireless LAN
documentation
Network management
system
Cisco IOS software Cisco IOS software documentation, all releases. See the documentation
Preface
Table 2.
Cisco 1811 and Cisco 1812 Integrated Services Router Cabling and
Installation
Cisco 1801, Cisco 1802, and Cisco 1803 Integrated Services Router
Cabling and Installation
Cisco 1800 Series Integrated Services Router (Fixed) Software
Configuration Guide
Regulatory Compliance and Safety Information for Cisco 1800
Integrated Services Routers (Fixed)
Cisco Modular Access Router Cable Specifications
Cisco Access Router Wireless Configuration Guide
Cisco access router antenna documentation
Declarations of Conformity and Regulatory Information for Cisco Access
Products with 802.11a/b/g and 802.11b/g Radios
Network management software documentation
for the Cisco IOS software release installed on your router.
Cisco One-Year Limited Hardware Warranty Terms
The following are special terms applicable to your hardware warranty. Your formal Warranty Statement,
including the warranty applicable to Cisco software, appears in the Cisco Information Packet that
accompanies your Cisco product.
Duration of Hardware Warranty
One (1) Year
Replacement, Repair, or Refund Policy for Hardware
Cisco or its service center will use commercially reasonable efforts to ship a replacement part within ten
(10) working days after receipt of a Return Materials Authorization (RMA) request. Actual delivery
times can vary, depending on the customer location.
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Preface
Cisco reserves the right to refund the purchase price as its exclusive warranty remedy.
To Receive a Return Materials Authorization (RMA) Number
Contact the company from whom you purchased the product. If you purchased the product directly from
Cisco, contact your Cisco Sales and Service Representative.
Complete the information below, and keep it for reference.
Product purchased from
Their telephone number
Product Model and Serial number
Maintenance contract number
Product warranty terms and other information applicable to Cisco products are available at the following
URL:
http://www.cisco.com/go/warranty
78-10747-01D0
Obtaining Documentation and Submitting a Service Request
For information on obtaining documentation, submitting a service request, and gathering additional
information, see the monthly What’s
revised Cisco
http://www.cisco.com/en/US/docs/general/whatsnew/whatsnew.html
Subscribe to the What’s New in Cisco Product Documentation as a Really Simple Syndication (RSS) feed
and set content to be delivered directly to your desktop using a reader application. The RSS feeds are a free
service and Cisco currently supports RSS version 2.0.
technical documentation, at:
New in Cisco Product Documentation, which also lists all new and
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Cisco 1800
Series
CHA PTER
1
Overview
The Cisco 1800 series fixed-configuration routers are part of the new line of integrated services routers
that are optimized for secure, fast, high-quality delivery of multiple, concurrent services for
small-to-medium-sized businesses and small enterprise branch offices. The Cisco
routers offer an 8-port 10/100Base-T switch, dual 10/100Base-T WAN ports, two USB 2.0 ports, and
either an ISDN S/T or an analog modem port. The Cisco
1801, Cisco 1802, and Cisco 1803 routers offer
an 8-port 10/100Base-T switch; a single 10/100Base-T WAN port; an ISDN S/T port; and either an
ADSL over POTS, ADSL over ISDN, or G.SHDSL WAN port. All models also offer embedded
hardware-based encryption that provides superior performance for advanced applications, optional
802.11a/b/g wireless LAN functionality, an integrated real-time clock for validating digital certificates
and stamping syslog entries, and optional Power over Ethernet (PoE).
Figure 1-1 shows a front view of a Cisco 1800 series fixed-configuration router.
Figure 1-1 Front View of a Cisco 1800 Series Fixed-Configuration Router
1811 and Cisco 1812
This chapter describes the features and specifications of the routers and includes the following sections:
• Hardware Features, page 1-2
• Chassis Views, page 1-7
• Interface Numbering, page 1-11
• Specifications, page 1-12
• Regulatory Compliance, page 1-13
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Hardware Features
127166, 781-00302-01
SN: XXXNNNNXXXX
SN: XXXNNNNXXXX
Hardware Features
This section describes the basic features of the Cisco 1800 series fixed-configuration routers, including
product identification, built-in interfaces, memory, LED indicators, chassis ventilation, and the internal
clock.
Product Serial Number Location
On the Cisco 1800 series fixed-configuration routers, the serial number label is located on the back of
the chassis, along the bottom edge near the lower right corner. (See
Figure 1-2 Serial Number Location
Chapter 1 Overview
Figure 1-2.)
Note The serial number for the Cisco 1800 series fixed-configuration routers is 11 characters long.
Cisco Product Identification Tool
The Cisco Product Identification (CPI) tool provides detailed descriptions and illustrations showing
where to locate serial number labels on Cisco products. The CPI tool includes the following features:
• A search option allows browsing for models by using a tree-structured product hierarchy.
• A search field on the final results page makes it easier to look up multiple products.
• End-of-sale products are clearly identified in results lists.
The tool streamlines the process of locating serial number labels and identifying products. Serial number
information expedites the entitlement process and is important for access to support services.
The Cisco Product Identification tool can be accessed at the following URL:
http://tools.cisco.com/Support/CPI/index.do
Feature Summary
Table 1-1 summarizes the built-in ports and other hardware features of the Cisco 1800 series
fixed-configuration routers.
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Chapter 1 Overview
Hardware Features
Ta b l e 1-1 Summary of Cisco 1800 Series Fixed-Configuration Built-In Interfaces
Feature Description
Managed 8-port 10/100 Fast Ethernet
switch
10/100 Fast Ethernet (FE) WAN port Provides connection to 10/100BASE-T Ethernet networks. Can be connected to
ADSL-over-POTS port Cisco 1801 router only. Provides connection to an ADSL network. Does not
ADSL-over-ISDN port Cisco 1802 router only. Provides connection to an ADSL-over-ISDN network.
G.SHDSL port Cisco 1803 router only. Provides 2-wire or 4-wire connection to a G.SHDSL
ISDN S/T port Cisco 1801, Cisco 1802, Cisco 1803, and Cisco 1812 routers only. Should the main
V.92 analog modem port. Cisco 1811 routers only. Should the main WAN link go down, provides dial backup
Console port Provides a connection to the terminal or PC for software configuration or
Auxiliary port Provides a connection to a modem for software configuration or troubleshooting
Two USB ports Cisco 1811 and Cisco 1812 routers only. Support Cisco USB flash memory
Integrated 802.11a/b/g radio module Wireless models only. Provides connectivity to a wireless LAN using IEEE
Internal Power-over-Ethernet (PoE)
module
Dying gasp Detects whether the router is about to lose power, and sends a signal to warn the
Wall-mount feature Brackets for mounting the router on a wall or vertical surface.
Kensington security slot Allows the router to be secured to a desktop or other surface by using Kensington
Autosensing function Eliminates the need for a crossover cable and allows the router to detect
Provides connection to 10/100BASE-T (10/100-Mbps) Ethernet networks.
Compatible with 10/100-Mbps devices.
other network devices, such as cable modem, ADSL, and router. Cisco
Cisco
1802, and Cisco 1803 routers have one 10/100 FE WAN port. Cisco 1811
and Cisco
1812 routers have two 10/100 FE WAN ports.
1801,
support the autoswitch function.
Does not support the autoswitch function.
network.
WAN link go down, provides dial backup and remote management functions by
connecting to an ISDN service provider.
and remote management functions.
troubleshooting using the command-line interface (CLI).
using the command-line interface (CLI).
modules and USB eToken modules.
802.11a/b/g standards. Enables the router to act as an access point (AP) in
infrastructure mode.
(Optional) Provides inline power for powered devices, such as IP phones, that are
connected to the router.
digital subscriber line access multiplexer (DSLAM) about the impending line drop.
lockdown equipment.
medium-dependent interface in normal mode (MDI) or medium-dependent
interface in crossover mode (MDIX) in any other PC or hub with a straight-through
cable or a crossover cable. The router is capable of bridging and multiprotocol
routing between the LAN and WAN ports.
Memory
Cisco 1800 series fixed-configuration routers contain the following types of memory:
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Power
Chapter 1 Overview
• DRAM—Stores the running configuration and routing tables and is used for packet buffering by the
network interfaces. Cisco
fixed-configuration routers contain 128 MB of internal DRAM memory by default. Cisco
series fixed-configuration router models also contain a single 200-pin DDR Small Outline DIMM
(SODIMM) slot that can accommodate up to a 256-MB SODIMM, for a maximum of 384
internal DRAM memory.
• NVRAM—Internal flash memory. Stores the bootstrap program (ROM monitor), the configuration
register, and the startup configuration. All Cisco
MB of boot/NVRAM memory by default.
• Flash memory—External CompactFlash memory. Stores the operating system software image. All
Cisco
1800 series fixed-configuration models contain 32 MB of internal flash memory by default,
and can use external CompactFlash cards up to 128 MB in capacity.
Table 1-2 summarizes the AC power options for the Cisco 1800 series fixed-configuration routers.
Ta b l e 1-2 Summary of Power Options for Cisco 1800 Series Fixed-Configuration Routers
IOS software executes from DRAM memory.Cisco 1800 series
1800
MB of
1800 series fixed-configuration models contain 2
Power Option Input IP Phone Power Output
AC input without inline power output 100–120V/200–240V, 1.2A/0.6A None
AC input with inline power output 100–120V/200–240V, 1.2A/0.6A –48 VDC, 80W
LED Indicators
Table 1-3 summarizes the LED indicators that are located in the router front panel.
Ta b l e 1-3 Summary of LED Indicators on the Cisco 1800 Series Fixed-Configuration Routers
LED Color Description
SYS OK Green The router has successfully booted up, and the software is functional. This LED blinks while
booting or while in the ROM monitor mode.
WLAN Green This LED shows wireless access point link status. It is active only on wireless models.
On indicates that at least one client is associated.
Blinking green indicates that no client is associated.
1
POE
FE <port number> Green These LEDs indicate Fast Ethernet port link and status for both FE WAN ports (ports 0 and 1
Green/
Amber
Green indicates that the inline power supply is present.
Amber indicates a fault with the inline power supply.
Off indicates that the inline power supply is not installed.
on the Cisco
Cisco
Cisco
1811 and Cisco 1812 routers; port 0 on the Cisco 1801, Cisco 1802, and
1803 routers) and the FE switch ports (ports 2 through 9 on the Cisco 1811 and
1812 routers; ports 1 through 8 on the Cisco 1801, Cisco 1802, and Cisco 1803routers).
Green indicates a successful FE link.
Off indicates no link.
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Table 1-3 Summary of LED Indicators on the Cisco 1800 Series Fixed-Configuration Routers (continued)
LED Color Description
2
CD
3
LPBK
PPP Green On if at least one PPP connection is established.
VPN Green On if at least one VPN tunnel is established.
4
LINK
4
B1
Green This LED indicates whether a connection is established (carrier detect). On the Cisco 1801,
Cisco
1802, and Cisco 1803 routers, this LED indicates whether a DSL connection is
established. On the Cisco
1811 router, this LED indicates whether a modem connection is
established.
On indicates a connection is established.
Off indicates no connection established.
Green On indicates the DSL interface is in loopback mode.
Off indicates DSL interface normal operation.
Green On indicates that an ISDN S/T connection has been established.
Off indicates that no ISDN S/T connection has been established.
Green Blinking green indicates activity on the first B channel.
Off indicates no activity on the first B channel.
4
B2
Green Blinking green indicates activity on the second B channel.
Off indicates no activity on the second B channel.
5
SPD
Green On indicates a connection at high speed (V.90/V.92).
Off indicates a connection at low speed (V.32/V.32b/V.34).
5
BUSY
Green Blinking green indicates activity over the modem line.
Off indicates no activity.
CF Green On when CompactFlash memory is busy. Do not remove CompactFlash memory when this
light is on.
1. Inline power is a field-upgradable option only. It is not installed by default.
2. This LED does not exist on the Cisco 1812.
3. This LED exists on the Cisco 1801, Cisco 1802, and Cisco 1803 only.
4. This LED does not exist on the Cisco 1811.
5. This LED exists on the Cisco 1811 only.
For LED troubleshooting information, including possible trouble causes and corrective actions, see
Table 6-1 in the “Troubleshooting” chapter.
Integrated 802.11a/b/g Radio Module (Wireless Models Only)
The Cisco 1800 series fixed-configuration routers with the wireless option have an integrated IEEE
802.11a/b/g radio module that operates as a wireless access point in infrastructure mode. The wireless
routers have two reverse-polarity threaded Neill-Concelman (RP-TNC) connectors on the back panel. The
dipole swivel antennas that were shipped with the router connect to the RP-TNC connectors to operate the
802.11a/b/g radio module.
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The wireless operations can be configured by using the Cisco Router and Security Device Manager
(SDM) web-based application, or by using the Cisco IOS command-line interface (CLI). See the
Cisco
Router and Security Device Manager (SDM) Quick Start Guide or the Cisco Access Router
Wireless Configuration Guide for more information.
Supported Cisco Radio Antennas (Wireless Models Only)
Table 1-4 lists the Cisco antennas that are supported on the Cisco 1800 series fixed-configuration
wireless routers.
Ta b l e 1-4 Cisco Antennas Supported on the Cisco 1800 Series Fixed-Configuration Wireless Routers
Cisco Part Number Antenna Type Maximum Gain Description
AIR-ANTM2050D-R Omnidirectional 2.0 dBi gain for 2.4GHz
5.0 dBi for 5GHz
AIR-ANTM4050V-R Omnidirectional 4.0 dBi gain for 2.4GHz
5.0 dBi for 5GHz
AIR-ANTM5560P-R Patch 5.5 dBi gain for 2.4GHz
6.0 dBi for 5GHz
This is the default antenna. Swivel-mount dipole
antenna operating in the 2.4- to 2.5-GHz band.
This antenna is designed for use with Cisco
wireless products utilizing an RP-TNC connector.
For more information, see the
Swivel-Mount Dipole Antenna document.
Ceiling-mount antenna operating in the 2.4- to
2.5-GHz band. This antenna has a clip that allows
it to be mounted to a drop-ceiling cross member.
For more information, see the
Diversity Omnidirectional Ceiling-Mount
Antenna document.
Wall-mount antenna operating in the 2.4- to
2.5-GHz band. For more information, see the
Cisco Multiband Wall-Mount, Corner-Mount, or
Mast-Mount Antenna document.
Cisco Multiband
Cisco Multiband
Chassis Ventilation
Cisco 1800 series fixed-configuration routers have an internal multispeed fan that provides chassis
cooling, controlled by an onboard temperature sensor. The internal fan operates at a continuously
variable speed to minimize fan noise while providing sufficient chassis cooling.
Real-Time Clock
An internal real-time clock with battery backup provides the system software with time of day on system
power up. This allows the system to verify the validity of the certification authority (CA) certificate and
to timestamp syslog messages. Cisco
battery. This battery lasts the life of the router under the operating environmental conditions specified
for the router; the battery is not field-replaceable.
Note If the lithium battery in a Cisco 1800 series fixed-configuration router fails, the router must be returned
to Cisco for repair.
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Although the battery is not intended to be field-replaceable, the following warning must be heeded:
Warning
There is the danger of explosion if the battery is replaced incorrectly. Replace the battery only with
the same or equivalent type recommended by the manufacturer. Dispose of used batteries according
to the manufacturer’s instructions.
Kensington Lock
All Cisco 1800 series fixed-configuration routers include a Kensington lock located at the top left corner
of the back panel for physical security.
Chassis Views
This section contains views of the front and rear panels of the Cisco 1800 series fixed-configuration
routers, showing locations of the power and signal interfaces, module slots, status indicators, and chassis
identification labels.
Figure 1-3 Front Panel of Cisco 1801 Router
Statement 1015
1 CompactFlash Slot
Figure 1-4 Back Panel of Cisco 1801 Router
1 ADSL over POTS WAN port 6 POE connector
2 ISDN BRI S/T port 7 Power switch
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3 Managed 8-port FE switch 8 Power connector
FE WAN port
4
5 Console and AUX ports
1. Inline power is a field-upgradable option only. It is not installed by default.
2. The Cisco 1801 only has one FE WAN port, which is the lower of the two ports shown. The upper port is disabled, and
reserved for a future purpose.
Figure 1-5 Front Panel of Cisco 1802 Router
2
RP-TNC antenna connectors (wireless models
only)
9
1 CompactFlash Slot
Figure 1-6 Back Panel of Cisco 1802 Router
1 ADSL over ISDN WAN port 6 POE connector
1
2 ISDN BRI S/T port 7 Power switch
3 Managed 8-port FE switch 8 Power connector
FE WAN port
4
2
RP-TNC antenna connectors (wireless models
only)
9
5 Console and AUX ports
1. Inline power is a field-upgradable option only. It is not installed by default.
2. The Cisco 1802 only has one FE WAN port, which is the lower of the two ports shown. The upper port is disabled, and
reserved for a future purpose.
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Figure 1-7 Front Panel of Cisco 1803 Router
1 CompactFlash Slot
Figure 1-8 Back Panel of Cisco 1803 Router
1 G.SHDSL WAN port 6 POE connector
2 ISDN BRI S/T port 7 Power switch
3 Managed 8-port FE switch 8 Power connector
FE WAN port
4
5 Console and AUX ports
1. Inline power is a field-upgradable option only. It is not installed by default.
2. The Cisco 1803 only has one FE WAN port, which is the lower of the two ports shown. The upper port is disabled, and
reserved for a future purpose.
Cisco 1811 Chassis
Figure 1-9 shows the front panel of a Cisco 1811 router. Figure 1-10 shows the rear panel of a
Cisco 1811 router.
1
2
RP-TNC antenna connectors (wireless models
only)
9
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