Troubleshooting The T640 Control Board; Table 48: Control Board Alarm Messages - Juniper T640 Hardware Manual

T640 Core Router Hardware Guide
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Troubleshooting the T640 Control Board

Problem

Table 48: Control Board Alarm Messages

Alarm Type LCD Message
Red
CB cb-number Removed
CB cb-number Failure
Yellow CB cb-number Ethernet Switch Failure
Solution
214
T640 Host Subsystem Description on page 32
T640 Craft Interface Description on page 52
T640 LCC-CB LEDs on page 47
T640 T Series Control Boards (T-CBs) LEDs on page 46
T640 RE-600 LEDs on page 36
T640 RE-1600 LEDs on page 38
T640 RE-2000 LEDs on page 39
T640 RE-C1800 LEDs on page 41
Troubleshooting the T640 Control Board on page 214
The following alarms and LEDs indicate a problem with a control board:
The yellow LED on the control board faceplate is lit.
FAIL
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 48 on page 214, 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
To troubleshoot the T640 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.
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
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