Troubleshooting The T640 Control Board; Table 97: Control Board Alarm Messages - Juniper T640 Hardware Manual

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Troubleshooting the T640 Control Board

Problem

Table 97: Control Board Alarm Messages

Alarm Type LCD Message
Red
CB cb-number Removed
CB cb-number Failure
Yellow
CB cb-number Ethernet Switch Failure
Copyright © 2017, Juniper Networks, Inc.
Use the CLI to check for alarms.
3.
Standalone T640 router—Issue the
alarms.
T640 router in a routing matrix—Issue the
command to view the alarms.
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
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 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.
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
show chassis alarms
show chassis alarms lcc lcc-number
LED on the craft interface is lit.
FAIL
LED on the craft interface is not lit.
OK
command.
CLI Message
CB cb-number Removed
CB cb-number Failure
CB cb-number Ethernet Switch Failure
Chapter 33: Troubleshooting Components
command to view the
473