Chapter 4 Troubleshooting the Installation
Troubleshooting the Processor Subsystem
PRP Alphanumeric Message Displays
The alphanumeric message displays are organized in two rows of four LED characters each (Figure
Figure 4-5 Alphanumeric Message Displays—Partial Front Panel
PROCESSOR
Upper alphanumeric
LED display (four digits)
Lower alphanumeric
LED display (four digits)
H10780 |
The alphanumeric message displays show router status messages during the boot process, and after the boot process is complete.
•During the boot process, the message displays are controlled directly by the MBus module.
•After the boot process, the message displays are controlled by Cisco IOS XR software (through the MBus).
The alphanumeric message displays also provide information about different levels of system operation, including the status of the PRP, router error messages, and
Note A list of all system and error messages appears in the Cisco IOS XR System Error Messages publication.
Cisco XR 12410 Router Installation Guide
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