Contents
vii
Cisco uBR10012 Universal Broadband Router Hardware Installation Guide
OL-18259-01
Formatting PC Media Cards 3-66
CHAPTER
4Troubleshooting the Installation 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
CHAPTER
5Maintaining the Cisco uBR10012 Router 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