Cisco Systems UBR10012 manual N T E N T S

C O N T E N T S

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
		Basic Troubleshooting Tasks and Startup Issues
C H A P T E R 1							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
		PEM Faults and Fan Assembly Failures
C H A P T E R 2					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
		Troubleshooting PRE-1 Modules
C H A P T E R 3				3-1
		Information Required for Troubleshooting PRE-1 Modules 3-1
				Cisco uBR10012 Universal Broadband Router Troubleshooting Guide
	OL-1237-01							iii