Cisco Systems Cisco 831 manual Problems After Router Is Running

Page 52

Chapter 3 Troubleshooting

Problems After Router Is Running

Problems After Router Is Running

Table 3-2lists problems that could occur after the router has been up and running.

Table 3-2 Problems After Router Is Running

Symptom

Problem

Solutions

 

 

 

Problems with Ethernet

A cable-related

Perform the following tasks in order:

connection. (COMPUTER

problem:

1. Make sure that the connectors at both

LEDs 1 through 4 are off.)

 

 

Disconnected

ends of the cable are secure.

 

 

 

cable.

2. Make sure that the cable is not

 

 

 

 

Damaged cable.

physically damaged. If it is damaged,

 

 

 

order another cable from

 

 

 

Cisco Systems, or replace it with a

 

 

 

similar cable.

 

 

 

Connection to the broadband

A cable-related

Perform the following tasks in order:

or Ethernet line is intermittent

problem:

1. Make sure that the connectors at both

or lost. (The INTERNET 1

 

 

Disconnected

ends of the cable are secure.

LED on the front panel is off.)

 

cable.

2. Make sure that the cable is not

 

 

 

 

 

 

Damaged cable.

physically damaged. If it is damaged,

 

 

 

order another cable from

 

 

 

Cisco Systems, or replace it with a

 

 

 

similar cable.

 

 

 

Connection to the broadband

Problem with

Contact your broadband line or WAN

or Ethernet line is intermittent

broadband line or WAN

service provider to determine whether there

or lost. (The INTERNET 1

service.

is a problem.

LED on the front panel is off.)

 

 

 

 

 

 

 

 

Cisco 831 Router and SOHO 91 Router Hardware Installation Guide

3-4

78-14784-02

Image 52 Contents
Corporate Headquarters Page Copyright 2005 Cisco Systems, Inc. All rights reserved Page N T E N T S Troubleshooting Specifications and Cables A-5 Page Audience OrganizationConventions XiiXiii Obtaining Documentation Related DocumentationCisco.com Documentation DVD Documentation FeedbackOrdering Documentation Cisco Product Security Overview Reporting Security Problems in Cisco ProductsPsirt Obtaining Technical Assistance Cisco Technical Support WebsiteSubmitting a Service Request XviiiDefinitions of Service Request Severity Obtaining Additional Publications and InformationPreface Obtaining Additional Publications and Information Product Overview Features Feature Description10BASE-T/100BASE-T RAM SdramRouter Built-In Switch WAN Ethernet Port Router OverviewFront Panel SohoBack Panel Cisco 831 Back PanelLED Functions Color FunctionProduct Overview Router Overview Preparing for Installation SafetyBefore installing the router, read the following warnings Installation Preparing for Installation Preventing Electrostatic Discharge Damage Unpacking the Box Ordered SeparatelyConnecting a Server, PC, or Workstation Installing the RouterPreventing Damage to the Router Connecting a Server, PC, or Workstation Connecting an External Ethernet Switch Optional Connecting to an Ethernet Switch Connecting to the Internet Connecting a Broadband ModemConnecting a Terminal or PC to the Console Port Connecting the AC Adapter Connecting a Terminal or PC to the Console PortConnecting the AC adapter Connecting the Console Port to an Async Modem Connect Console Port to an Async Modem Checking the PC Configuration Power/Link LEDs to Check Normal Patterns Verifying Router OperationMounting on a Table Mounting the RouterMounting on a Wall Wall-Mounting Brackets Bottom of Router Mounting Router on Wall Connecting to a Website What to Do If You Cannot Connect to a Website Starting the Crws SoftwareInstallation What to Do If You Cannot Connect to a Website Installation What to Do If You Cannot Connect to a Website Troubleshooting Before You Call Your Cisco ResellerProblems During First Startup Symptom Problem SolutionsComputer Server, PC, or Workstation section onProblems After Router Is Running Description Design Specification Physical Dimensions System SpecificationsEnvironmental Operating Ranges Description Design Specification Router Power Laws and regulationsLAN Port Pin FunctionRX+ TX+Console Connector Pinouts Cabling SpecificationsEthernet Cable Specifications Maximum Cable DistanceType Category 10BASE-TAppendix a Specifications and Cables Cabling Specifications Numerics IN-2 IN-3 IN-4