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Cisco 3600 Series Routers Hardware Installation Guide
OL-2056-05
APPENDIX
A Troubleshooting A-1
Isolating Problems A-1
Troubleshooting the Power and Cooling Systems A-2
Environmental Reporting Features A-3
Troubleshooting Modules, Cables, and Connections A-3
Reading Front-Panel LEDs A-4
Front-Panel LEDs on Cisco 3620, Cisco 3640, and Cisco 3660 Routers A-4
Front-Panel LEDs on Cisco 3631 Routers A-7
Reading Rear-Panel LEDs A-8
Rear-Panel LEDs on Cisco 3631 Routers A-8
Rear-Panel LEDs on Cisco 3660 Routers A-9
Error Messages A-10
Cisco 3600 Series Error Messages A-10
Cisco 3660 Error Messages A-12
Recovering a Lost Password A-16
APPENDIX
B Using the ROM Monitor B-1
Entering ROM Monitor Mode B-1
ROM Monitor Commands B-2
ROM Monitor Syntax Conventions B-3
ROM Monitor Command Descriptions B-4
Router Management Commands B-4
Boot Commands in the ROM Monitor B-4
Informational Commands in the ROM Monitor B-6
Other Useful ROM Monitor Commands B-6
Debugging Commands B-7
Configuration Register Commands B-7
Recovering Cisco IOS Software Images B-9
Description and Options of the xmodem Command B-9
Console Requirements B-9
Procedure for the xmodem Command B-10
APPENDIX
C Configuration Register C-1
Configuration Register Settings C-1
Changing Configuration Register Settings C-2
Configuring the Boot Field C-4
Enabling Booting from Flash Memory C-6
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