3. Use the CLI to check for alarms.
• Standalone T640 router—Issue the show chassis alarms command to view the
alarms.
• T640 router in a routing matrix—Issue the show chassis alarms lcc lcc-number
command to view the alarms.
Related
Documentation
T640 Host Subsystem Description on page 35•
• T640 Craft Interface Description on page 22
• T640 LCC-CB LEDs on page 62
• T640 T Series Control Boards (T-CBs) LEDs on page 66
• T640 RE-600 LEDs on page 39
• T640 RE-1600 LEDs on page 41
• T640 RE-2000 LEDs on page 45
• T640 RE-C1800 LEDs on page 43
• Troubleshooting the T640 Control Board on page 473
Troubleshooting the T640 Control Board
Problem Description:
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 OK LED on the control board faceplate is not lit.
• The red host subsystem FAIL LED on the craft interface is lit.
• The green host subsystem OK LED on the craft interface is not lit.
• 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.
In Table 97 on page 473, 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 command.
Table 97: Control Board Alarm Messages
CLI MessageLCD MessageAlarm Type
CB cb-number RemovedCB cb-number RemovedRed
CB cb-number FailureCB cb-number Failure
CB cb-number Ethernet Switch FailureCB cb-number Ethernet Switch FailureYellow
473Copyright © 2017, Juniper Networks, Inc.
Chapter 33: Troubleshooting Components
To Next Page
Loading...
Need help?
General
