Cisco Systems 80O SERIES manual

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Chapter 3 Troubleshooting

When Contacting Your Cisco Reseller

Cisco 800 Series Routers Hardware Installation Guide

3-8	78-5373-04

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Contents Cisco 800 Series Routers Hardware Installation Guide Page Cisco 800 Series Routers Hardware Installation Guide Page N T E N T S Mounting on a Table Audience OrganizationConventions ViiViii Obtaining Documentation Cisco.comDocumentation DVD Ordering DocumentationDocumentation Feedback Reporting Security Problems in Cisco ProductsCisco Product Security Overview Obtaining Technical Assistance Cisco Technical Support WebsiteSubmitting a Service Request Definitions of Service Request SeverityObtaining Additional Publications and Information XiiXiii Xiv Overview Feature Summary Feature Routers DescriptionFront Panels Router Ports SummaryRouter Ethernet Ports Isdn Ports Telephone Ports Back Panels Link LED Ethernet port Isdn BRI S/T portCisco 802 Router Back Panel Cisco 804 Router Back Panel LEDs Color FunctionCH1 CH1 RXDCH1 TXD CH2Installation Safety European Union StatementsNetwork Termination Point Statement Preventing Electrostatic Discharge DamageIsdn S/T Ports Statement Preventing Router Damage Preinstallation ActivitiesUnpacking Your Router Installing Your Router Connecting Ethernet Devices NetworkDevice Network Device Ethernet CableConnected to Router Router Port Type Button Setting Connecting Hubs Connecting a Server, PC, or Workstation Connecting an Isdn Line Connecting an Isdn Line to Cisco 801 and Cisco 803 RoutersNT1 Connecting an Isdn Line to Cisco 802 and Cisco 804 Routers Connecting an Idsl Line IsdnConnecting a Digital Telephone Connecting the Idsl Cable to Cisco Idsl RoutersConnecting an Analog Telephone, Fax, or Modem Vendor Name Product Name For More Information Connecting a Terminal or PC Connecting Terminal or PCMounting Your Router Connecting the Power SupplyMounting on a Table Mounting on a Wall 11 Wall-Mounting Brackets Bottom of RouterVerifying Installation Installation Verifying InstallationPower/Link LEDs To Check Normal Patterns Where to Go from Here Troubleshooting Problems During First Startup Symptom Problem SolutionsProblems After First Startup SymptomTo HUB/TO PC LINE, CH1, CH1 RXDCorrectly, see the Connecting a Digital Problems After Router Is Running CH1, CH1 RXD, CH1 TXD CH1 RXD, CH1 TXD, CH2When Contacting Your Cisco Reseller Page Isdn and Idsl Concepts Page System Specifications Description Design SpecificationPort Connector Pinouts TX+ RX+Button OUT Pin Position RX+ TX+Button Pin OUT Position Pin FunctionRTS DTR TXD GND RXD DSR CTS TXD+ RXD+ TipCabling Specifications ROF RTNEthernet Cable Specifications Maximum Cable DistancesType Category Shielding 10BASE-TPage Numerics GL-1GL-2 GL-3 GL-4 D E IN-1Modem, connecting Mounting the router IN-2Illustrated Settings Troubleshooting IN-3IN-4