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Cisco XR 12416 Router Installation Guide
OL-13833-01
Chapter1 Product Overview
Route Processor
PRP Alphanumeric Message Displays
The alphanumeric message displays are organized in two rows of four LED
characters each (Figure 1-13).
Figure 1-13 Alphanumeric Message Displays—Partial Front Panel
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 messages also provide information about different levels of
system operation, including the status of the PRP, router error messages, and
user-defined status and error messages
Note A list of all system and error messages appears in the Cisco IOS System Error
Messages publication (see the “Obtaining Documentation, Obtaining Support,
and Security Guidelines” section on page -xiv).
H10780

PROCESSOR

Upper alphanumeric
LED display (four digits)
Lower alphanumeric
LED display (four digits)