Troubleshooting The T1600 Control Boards - Juniper T1600 Hardware Manual

T1600 Core Router Hardware Guide

Troubleshooting the T1600 Control Boards

Problem
Solution
Related
Documentation
180
The following alarms and LEDs indicate a problem with a control board:
The yellow FAIL LED on the control board faceplate is lit.
The green LED on the control board faceplate is not lit.
OK
The red host subsystem
The green host subsystem
A red alarm indicates that the control board has failed or has been removed.
A yellow alarm indicates that the Ethernet switch in the control board has failed.
To troubleshoot the T1600 control boards:
Check the LEDs on the faceplate of each control board.
1.
Check the LEDs on the craft interface.
2.
Use the CLI to check for alarms.
3.
Standalone T1600 router—Issue the
alarms.
T1600 router in a routing matrix—Issue the
command to view the alarms.
In Table 34 on page 180, the text in the column labeled "LCD Message" appears in the
display of the craft interface. The text in the column labeled "CLI Message" appears in
the output from the show chassis alarms
Table 34: T1600 Chassis Alarm Messages for the Control Boards
Alarm Type LCD Display Message
Red
CB cb-number Removed
CB cb-number Failure
Yellow
CB cb-number Ethernet Switch Failure
T1600 Host Subsystem Description on page 36
T1600 Control Boards Description on page 45
T1600 Craft Interface Host Subsystem LEDs on page 54
T1600 LCC-CB LEDs on page 48
T1600 T-CB LEDs on page 47
FAIL LED on the craft interface is lit.
LED on the craft interface is not lit.
OK
show chassis alarms
show chassis alarms lcc lcc-number
command.
command to view the
CLI Message
CB cb-number Removed
CB cb-number Failure
CB cb-number Ethernet Switch Failure
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