OL-1237-01 | Cisco Systems UBR10012 specs

Chapter 2 PEM Faults and Fan Assembly Failures

Fan Assembly Module Faults

Cisco uBR10012 Universal Broadband Router Troubleshooting Guide

2-10	OL-1237-01

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Cisco Systems UBR10012 manual OL-1237-01

Contents

Corporate Headquarters Text Part Number OL-1237-01 Copyright 2001-2004, Cisco Systems, Inc All rights reserved N T E N T S ARP Traffic Testing with Digital Multimeters and Cable Testers B-1 OL-1237-01 Purpose Audience Related Documentation Document OrganizationChapter Description Obtaining Documentation Documentation FeedbackCisco.com Ordering Documentation Cisco TAC Website Obtaining Technical AssistanceOpening a TAC Case Obtaining Additional Publications and Information TAC Case Priority Definitions Xii Basic Troubleshooting Checklist Basic Troubleshooting Tasks and Startup Issues Confirming the Hardware Installation Last reset from power-on Displaying the Cisco IOS Software Version Hardware Troubleshooting Flowchart Displaying System Environment Information Cisco uBR10012 System Startup Sequence TCC+ Startup Event Event Description PEM Faults and Fan Assembly Failures AC PEM Faults Fault Symptom Corrective Action Color Description DC PEM Faults DC PEM Front Panel original model, UBR10-PWR-DC 2400W AC-Input Power Shelf Other Electrical Problems FaultAC OK DC OK Fan Assembly Module Faults Fan Assembly Module Fan Assembly Air Circulation Pattern Single FAN Failure Symptom Steps to TakeMULTI-FAN Failure LED OL-1237-01 Troubleshooting PRE-1 Modules PRE-1 Module Status Screen PRE Module Not SupportedMessage Description Booting Up with Redundant PRE-1 Modules IOS ProtIOS Intf IOS RUN PRE-1 Module Faults Fault Steps to Take LED Ethernet Connection Problems C10000config#interface fastethernet0/0/0 Console Port Serial Connection Problems Troubleshooting Common System Problems Troubleshooting System Crashes High CPU Utilization Problems ARP Traffic Routerconfig-if# ip access-groupnumber Debug and System Messages Cpuhog ErrorsExec and Virtual Exec Processes Interrupts are Consuming a Large Amount of Resources Invalid Scheduler Allocate ConfigurationIP Input Processing Problems with Access Lists Bus ErrorsSnmp Traffic Region Manager Start End Sizeb Class Media Name 0x0A000000 Memory Problems Alignment Errors Low Memory Errors Memory Parity Errors Particle Pool Fallbacks Spurious Interrupts Spurious Memory Accesses OL-1237-01 Troubleshooting Line Cards General Information for Troubleshooting Line Card Crashes Command Description SIG Value SIG Name Error Reason Sigerror Cache Parity ErrorsSigreload Bus Errors Software-Forced Crashes Troubleshooting Line Cards TCC+ Front Panel Maintenance PowerStatus Description Fault Type Response Show controllers clock-reference command Troubleshooting the OC-12 Packet-Over-SONET Line Card Fault Corrective Action Active RX CARRIER-BRX CARRIER-A Enabled PASS-THROUGH Enable FailPOS SRP Wrap SyncPass Thru Troubleshooting the Gigabit Ethernet Line Card Gigabit Ethernet Line Card Faceplate and LED Descriptions Gigabit Ethernet Line Card Faults and Recommended Responses OL-1237-01 Password Recovery Procedure Overview Password Recovery Procedure Press Return. The user Exec prompt appears Change all three passwords using the following commands OL-1237-01 Unsupported Commands Unsupported Frame Relay Commands Hccp Commands Mlppp Commands Unsupported Mpls VPN Commands Unsupported PPP CommandsSpectrum Management Commands Unsupported Telco-Return Commands OL-1237-01 Testing with Digital Multimeters and Cable Testers Equipment Description Testing with TDRs Testing with TDRs and OTDRsTesting with OTDRs Testing with Network Monitors Testing with Breakout Boxes, Fox Boxes, and BERTs/BLERTs Testing with Network Analyzers Enable LED Active LEDBert Blert ENABLE, OC-48 DPT/POS MAINTENANCE, OC-12 SRP/DPTMAINTENANCE, TCC+ POWER, OC-12 DPT/SRP POWER, TCC+ Maintenance LED Power LEDSTATUS, OC-12 DPT/SRP STATUS, TCC+ SYNC, OC-48 DPT/POS TX, OC-48 DPT/POS WRAP, OC-48 DPT/POS OC-12 DPT/SRP TCC+ Present LED TCC+RX Carrier LED RX LED RX Pkts LED TX LED OC-48 DPT/POS TDR B-2Wrap LED IN-6