Cisco 827 and SOHO 77 Routers Hardware
Installation Guide
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Text Part Number: 78-6854-03
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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
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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 827 and SOHO 77 Routers Hardware Installation Guide
Cisco Technical Support Websiteix
Submitting a Service Requestx
Definitions of Service Request Severityx
Prefacev
CHAPTER
CHAPTER
Obtaining Additional Publications and Informationxi
1Product Overview1-1
Features1-2
Router Overview1-2
Front Panels1-3
Back Panels1-4
LEDs1-6
2Installation2-1
Preparing for Installation2-2
Safety2-2
Unpacking the Box2-3
Preventing Router Damage2-4
Mounting the Router2-5
Mounting on a Table2-5
Mounting on a Wall2-5
Installing the Router2-6
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Contents
Connect Ethernet Devices2-7
Connect an ADSL Line2-11
Connect an Analog Telephone or Fax Machine
(Cisco 827-4V Routers Only)
Connect a Terminal or PC to the Router’s Console Port (Optional)2-13
Connect the AC Adapter2-14
Using the Router LEDs to Check Links 2-15
Configuring the Router2-16
Checking the PC Configuration2-16
Using Cisco Router Web Setup to Configure the Router2-16
2-12
CHAPTER
APPENDIX
I
NDEX
3Troubleshooting3-1
Before You Call Your Cisco Reseller3-1
Problems During First Startup3-1
Problems After Router Is Running3-3
ASpecifications and CablesA-1
System SpecificationsA-1
Port Connector PinoutsA-2
Cabling SpecificationsA-5
Ethernet Cable SpecificationsA-5
Maximum Cable DistancesA-6
iv
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Audience
Preface
This preface describes the audience for, organization of, and conventions used in this guide. It also
discusses related documentation and tells how to access electronic documentation.
This guide is intended for service technicians who have no experience installing routers but whose goal
is to connect routers to networks as quickly as possible.
Organization
This guide is organized as follows:
Conventions
This section describes the conventions used in this guide.
NoteMeans reader take note. Notes contain helpful suggestions or references to additional information and
material.
• Chapter 1, “Product Overview”—Describes the Cisco 827 and SOHO 77 routers and their features.
• Chapter 2, “Installation”—Provides information on preinstallation, mounting, connecting, and
configuring the router, and verification of router connections.
• Chapter 3, “Troubleshooting”—Describes problems with the router and how to identify and solve
them.
• Appendix A, “Specifications and Cables”—Provides Cisco part numbers for cables that you can
order and contains port connector pinouts and specifications for cables that you might need to
provide.
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CautionThis symbol means reader be careful. In this situation, you might do something that could result in
equipment damage or loss of data.
Cisco 827 and SOHO 77 Routers Hardware Installation Guide
v
Conventions
Preface
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.
Avvertenza
Advarsel
Aviso
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.
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.
vi
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Preface
Related 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.
Related Documentation
In addition to this Cisco 827 Routers and SOHO 77 Hardware Installation Guide, the documentation for
the Cisco 827 routers includes the following:
• Cisco 820 Series and SOHO Series Router Cabling and Setup Quick Start Guide
• Cisco 827 Routers Software Configuration Guide
• Cisco 827 Routers Release Notes
• Software Enhancements for the Cisco 800 Routers and SOHO Routers
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:
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.
78-6854-03
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 827 and SOHO 77 Routers Hardware Installation Guide
vii
Documentation Feedback
Cisco Ordering tool:
http://www.cisco.com/en/US/partner/ordering/
Cisco Marketplace:
http://www.cisco.com/go/marketplace/
Ordering Documentation
You can find instructions for ordering documentation at this URL:
• Report security vulnerabilities in Cisco products.
• Obtain assistance with security incidents that involve Cisco products.
• Register to receive security information from Cisco.
viii
A current list of security advisories and notices for Cisco products is available at this URL:
http://www.cisco.com/go/psirt
Cisco 827 and SOHO 77 Routers Hardware Installation Guide
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Preface
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:
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— security-alert@cisco.com
• Nonemergencies— psirt@cisco.com
TipWe 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:
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.
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:
78-6854-03
http://tools.cisco.com/RPF/register/register.do
Cisco 827 and SOHO 77 Routers Hardware Installation Guide
ix
Obtaining Technical Assistance
NoteUse 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 sou r c es link under Documentation & Tools.Choose Cisco Product
Identification Tool from the Alphabetical Index drop-down list, or click the Cisco Product
Identification Tool link under Alerts & RMAs. The CPI tool offers three search options: by product ID
or model name; by tree view; or for certain products, by copying and pasting show command output.
Search results show an illustration of your product with the serial number label location highlighted.
Locate the serial number label on your product and record the information before placing a service call.
Submitting a Service Request
Using the online TAC Service Request Tool is the fastest way to open S3 and S4 service requests. (S3
and S4 service requests are those in which your network is minimally impaired or for which you require
product information.) After you describe your situation, the TAC Service Request Tool provides
recommended solutions. If your issue is not resolved using the recommended resources, your service
request is assigned to a Cisco TAC engineer. The TAC Service Request Tool is located at this URL:
http://www.cisco.com/techsupport/servicerequest
For S1 or S2 service requests or if you do not have Internet access, contact the Cisco TAC by telephone.
(S1 or S2 service requests are those in which your production network is down or severely degraded.)
Cisco TAC engineers are assigned immediately to S1 and S2 service requests to help keep your business
operations running smoothly.
Preface
To open a service request by telephone, use one of the following numbers:
For a complete list of Cisco TAC contacts, go to this URL:
http://www.cisco.com/techsupport/contacts
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.
Cisco 827 and SOHO 77 Routers Hardware Installation Guide
x
78-6854-03
Preface
Obtaining Additional Publications and Information
Obtaining Additional Publications and Information
Information about Cisco products, technologies, and network solutions is available from various online
and printed sources.
• 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/
• 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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Cisco 827 and SOHO 77 Routers Hardware Installation Guide
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Obtaining Additional Publications and Information
Preface
xii
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CHA P TER
1
Product Overview
The Cisco 827 and SOHO 77 routers can connect a corporate telecommuter or small office to an Internet
service provider (ISP) over asymmetric digital subscriber line (ADSL) lines to the following types of
networks:
• Corporate LANs
• Internet
The routers are capable of bridging and multiprotocol routing between LAN and WAN ports.
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Cisco 827 and SOHO 77 Routers Hardware Installation Guide
1-1
Features
Features
Table 1-1 summarizes the features of the Cisco 827 series and SOHO 77 series routers.
Table 1-1Cisco 827 and SOHO 77 Routers Features Summary
FeatureRoutersDescription
10BASE-T Ethernet
port(s)
ADSL portAllProvides connection to ADSL network.
Telephone ports Cisco 827-4VProvides connection to telephone or fax machine
Flash memory
AllProvides connection to 10BASE-T (10-Mbps) Ethernet
networks. Compatible with 10/100-Mbps devices.
connected to telephone services through ADSL line.
• Cisco 827-4V
• Cisco 827H
• 12 MB of Flash memory.
• 12 MB of Flash memory.
Chapter 1 Product Overview
Dynamic RAM
(DRAM)
• Cisco 827
• SOHO 77H
• SOHO 77
• Cisco 827-4V
• Cisco 827H
• Cisco 827
• SOHO 77H
• SOHO 77
• 12 MB of Flash memory.
• 8 MB of Flash memory.
• 8 MB of Flash memory.
• 16 MB of DRAM and 8-MB DIMM card.
• 16 MB of DRAM. Supports 4-,8-, or 16-MB DIMMS.
• 16 MB of DRAM.
• 16 MB of DRAM.
• 16 MB of DRAM.
Ease of installationAllColor-coded ports and cables to reduce the chance of
error.
Cisco IOS softwareAllSupports Cisco IOS software.
Cisco Router Web
Setup
AllProvides a web-based software tool for basic
configurations.
Console portAllProvides connection to terminal or PC for
troubleshooting and for software configuration using
command-line interface.
Cable lockable
Locking power
• Cisco 827-4V
• Cisco 827
• SOHO 77
AllLocks power connector in place.
Provides complementary feature for physically securing
router.
connector
Wall-mounting featureAllBrackets on router bottom provide for mounting the
router on a wall or vertical surface.
Router Overview
Table 1-2 tells how many Ethernet and telephone ports each Cisco 827 router and SOHO 77 router has.
Cisco 827 and SOHO 77 Routers Hardware Installation Guide
1-2
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Chapter 1 Product Overview
Front Panels
Router Overview
Table 1-2Router Ports
RouterEthernet PortsTelephone Ports
Cisco 827-4V 14
Cisco 827H40
Cisco 82710
SOHO 77H40
SOHO 7710
Figure 1-1 through Figure 1-3 show the front panels of the Cisco 827 routers.
Figure 1-1Cisco 827-4V Front Panel
1 - 2 - 3 - 4
OK
PHONE
Figure 1-2Cisco 827H Front Panel
OK
Figure 1-3Cisco 827 Front Panel
OK
CD
RXD
TXD
ADSL
CD
RXD
TXD
ADSL
CD
RXD
TXD
ADSL
1
1
RXD
ETHERNET
CISCO 800
2
3
ETHERNET
CISCO 800
1
RXD
ETHERNET
CISCO 800
TXD
SERIES
4
RXD
TXD
SERIES
TXD
SERIES
65611
65574
65612
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Figure 1-4 and Figure 1-5 show the front panels of the SOHO 77 routers.
Cisco 827 and SOHO 77 Routers Hardware Installation Guide
1-3
Router Overview
Chapter 1 Product Overview
Figure 1-4SOHO 77H Front Panel
Back Panels
OK
CD
RXD
TXD
AD
SL
1
2
3
4
R
XD
ETHERNET
TX
CISCO SOHO
SERIES
D
Figure 1-5SOHO 77 Front Panel
OK
CD
RXD
TXD
ADSL
1
RXD
TXD
ETHERNET
CISCO SOHO
SERIES
Figure 1-6 through Figure 1-8 show the back panels of the Cisco 827 routers.
65731
65732
Figure 1-6Cisco 827-4V Back Panel
Cable lock
Physically
secures
router
TO HUB
TO PC
TO HUB/TO PC
button
Determines cable
type for Ethernet
device connection.
Ethernet port
Connects to
Ethernet network
device
ETHERNET
CONSOLE
ADSL
1
Console port
Connects to PC
or terminal
ADSL port
Connects to
external wall jack
Model Cisco 827-4V
PHONE
2
143
Power switch
= On.
= Standby or no
power output
+5,+12,-12,-24,-71 VDC
65566
Locking power
connector
Connects to
power supply
1-4
Cisco 827 and SOHO 77 Routers Hardware Installation Guide
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