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Troubleshooting the T320 SIBs

 

Problem:

Description:

During normal operations:

  • The green OK LED on the SIB faceplate is lit.

  • The yellow FAIL LED on the SIB faceplate is not lit.

The following alarms and LEDs indicate a problem with a SIB:

  • The yellow FAIL LED on the SIB faceplate is lit.

  • The green OK LED on the SIB faceplate is not lit.

  • A red alarm indicates that the SIB failed or has been removed.

  • A yellow alarm indicates that a spare SIB has failed or has been removed.

Solution

To troubleshoot the SIBs:

  1. Check the LEDs on the faceplate of each SIB.
  2. Check the LEDs on the craft interface.
  3. Use the CLI to check for alarms—Issue the show chassis alarms command to view the alarms..

In Table 1, 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 1: SIB Alarm Messages

Alarm Type

LCD Display Message

CLI Message

Red

SIB sib-number Failure

SIB sib-number Fault

SIB sib-number Removed

SIB sib-number Absent

Yellow

Spare SIB Failure

Spare SIB Fault

Spare SIB Removed

Spare SIB Absent

Check SIB

Check SIB