Help us improve your experience.

Let us know what you think.

Do you have time for a two-minute survey?


Troubleshooting the T4000 PICs



Description: A PIC LED lit red indicates a problem with the PIC.


To troubleshoot a PIC:

  1. Check the status of each port on a PIC. Look at the LEDs located on the PIC faceplate. For information about the meaning of LED states on different PICs, see the T4000 Core Router Interface Module Reference.
  2. Check the status of a PIC, issuing the following CLI command. The PIC slots in the FPC are numbered from 0 through 3, top to bottom:
    user@host> show chassis fpc pic-status