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Troubleshooting the M320 FPCs

 

As soon as an FPC is seated in an operating M320 router, the Routing Engine downloads the FPC software to it. The FPC then runs diagnostics and enables the PICs housed on it. During this time, the green LED labeled STATUS above the FPC on the craft interface blinks. When the FPC is online and functioning normally, the STATUS LED lights steadily.

To troubleshoot the FPCs:

  • If the red FAIL LED above the FPC is on, look at the display on the craft interface to check the status of the FPC and the PICs that are plugged into it.

  • Make sure the FPC is properly seated in the midplane. Check that each ejector handle has been turned clockwise and is tight. Use a screwdriver to check that the screws inside the ejector handles are tight.

  • To check the status of an FPC, use the following CLI command:

    user@host> show chassis fpc

    To display more detailed information, use the following option:

    user@host> show chassis fpc detail