Cisco Systems Cisco uBR10012 manual Troubleshooting Methods, Vii

Contents

		Formatting PC Media Cards	3-66
		Troubleshooting the Installation
C H A P T E R	4			4-1
		Troubleshooting Methods	4-2
		Before You Call for Technical Assistance				4-2
		Problem Solving Using a Subsystems Approach					4-2
		Troubleshooting Installation Problems			4-2
		General Troubleshooting Tips 4-3
		Troubleshooting Ethernet Connections			4-4
		Troubleshooting the Console Port Serial Connection					4-5
		Identifying Startup Problems	4-6
		Troubleshooting the Power Subsystem			4-7
		Troubleshooting the AC Power Subsystem				4-7
		Troubleshooting the DC Power Subsystem				4-8
		Troubleshooting the AC-Input Power Shelf				4-9
		Troubleshooting the Processor Subsystem 4-10
		Troubleshooting the Cooling Subsystem			4-11
		Troubleshooting the Line Cards		4-12
		Troubleshooting the HHGE Installation			4-13
		Maintaining the Cisco uBR10012 Router
C H A P T E R	5				5-1
		Shutting Down the System	5-2
		Required Maintenance Tools		5-2
		Removing and Replacing the Front Cover			5-3
		Removing the Front Cover		5-3
		Replacing the Front Cover		5-4

Replacing the Air Filter 5-5
Removing and Replacing the Fan Assembly Module			5-6
Removing and Replacing DC Power Entry Modules			5-8
Removing the DC PEM	5-8
Replacing the DC PEM	5-11
Replacing Both DC PEMs	5-13
Connecting Alarm Indicators	5-18
Removing the PEM from the Chassis		5-18
Attaching the Alarm Wires 5-19
Installing the PEM in the Chassis 5-20
Removing and Replacing AC PEM Modules		5-21
	Cisco uBR10012 Universal Broadband Router Hardware Installation Guide
OL-18259-01				vii