Cisco Systems 805 manual Troubleshooting

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C H A P T E R 3

Troubleshooting

This chapter describes problems that could occur with the Cisco 805 router hardware, reasons for the problems, and steps to solve the problems. The problems are grouped into the following states:

•

•

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During first startup

After first startup

After router has been up and running

For more information on problems that could occur with the software, refer to the Cisco 805 Router Software Configuration Guide.

Troubleshooting 3-1

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Contents Corporate Headquarters Cisco 805 Router Hardware Installation GuideCisco 805 Router Hardware Installation Guide About This Guide Chapter Installing the Cisco 805 RouterChapter Product Overview Appendix a Selecting a Serial Cable Chapter TroubleshootingIndex Audience About This GuideOrganization Conventions ConventionsConventions Asynchronous modem Terms and AcronymsTerms and Acronyms 10BaseTFlash memory Terms and Acronyms Crossover Ethernet cableHUB/NO HUB button Straight-through Ethernet cable LinkRelated Documentation Related DocumentationDocumentation Feedback Cisco Product Security Overview Obtaining Technical Assistance Submitting a Service Request Obtaining Additional Publications and Information Related Documentation Xviii Cisco 805 Router Hardware Installation Guide Product Overview FeaturesCisco 805 Feature Summary Feature DescriptionFeatures Cisco 805 Feature Summary Description Back Panel Front PanelFront Panel Cisco 805 Back Panel Back PanelPort/Component Color Function LEDsLEDs LED Functions Corresponding6Cisco 805 Router Hardware Installation Guide Safety Installing the Cisco 805 RouterSafety ESD Required Equipment Required EquipmentUnpacking the Box Unpacking the BoxConnecting an Ethernet Device Installing the RouterInstalling the Router Connecting a Hub Connecting a Server, PC, or Workstation Connecting a Server, PC, or Workstation Connecting an Ethernet DevicePPP Connecting a Serial DeviceConnecting a Modem or CSU/DSU Connecting a Serial DeviceConnecting Terminal or PC Connecting a Terminal or PCConnecting the Power Supply Connecting the Power SupplyMounting the Router on a Table Mounting the RouterWall-Mounting Brackets Bottom of Router Mounting the RouterMounting the Router on a Wall Verifying Installation Normal Where to Go NextVerifying Installation Verifying InstallationWhere to Go Next Troubleshooting Problems During First Startup Problems During First StartupSymptom Problem Solutions Problems After Router is Running Problems After Router is RunningProblems After Router is Running Symptom Solutions Router Software Configuration Guide Before You Call Your Cisco Reseller Before You Call Your Cisco Reseller6Cisco 805 Router Hardware Installation Guide Selecting a Serial Cable How to Select a Serial CableSelectable DTE or DCE How to Select a Serial CableDTE or DCE Table A-1 DTE and DCE Devices Serial DeviceSelecting a Serial Cable A-3 Connector Gender Signaling StandardsSerial Connection Example Serial Connection ExampleSerial Cable Part Numbers Serial Cable Part NumbersTechnical Specifications 2Cisco 805 Router Hardware Installation Guide Connector Specifications Connector and Cable SpecificationsTable C-1 Ethernet Connector Pinouts RJ-45 Function Table C-2 Console Connector Pinouts RJ-45 Function Table C-4 Power Connector Pinouts Function Cable Specifications Cable SpecificationsD E LAN LED Index Index