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Cisco uBR10012 Universal Broadband Router Troubleshooting Guide
OL-1237-01
CONTENTS
Preface vii
Purpose vii
Audience vii
Document Organization viii
Related Documentation viii
Obtaining Documentation ix
Cisco.com ix
Ordering Documentation ix
Documentation Feedback ix
Obtaining Technical Assistance x
Cisco TAC Website x
Opening a TAC Case x
TAC Case Priority Definitions xi
Obtaining Additional Publications and Information xi
CHAPTER
1 Basic Troubleshooting Tasks and Startup Issues 1-1
Basic Troubleshooting Checklist 1-1
Confirming the Hardware Installation 1-2
Displaying the Cisco IOS Software Version 1-3
Displaying System Environment Information 1-4
Hardware Troubleshooting Flowchart 1-4
Cisco uBR10012 System Startup Sequence 1-5
CHAPTER
2 PEM Faults and Fan Assembly Failures 2-1
AC PEM Faults 2-1
DC PEM Faults 2-3
2400W AC-Input Power Shelf 2-5
Other Electrical Problems 2-6
Fan Assembly Module Faults 2-7
CHAPTER
3 Troubleshooting PRE-1 Modules 3-1
Information Required for Troubleshooting PRE-1 Modules 3-1