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Maintaining T640 FPCs



For optimum router performance, verify the condition of the FPCs. The router can have up to eight FPCs mounted vertically in the FPC card cage at the front of the chassis.


On a regular basis:

  • Check the LCD on the craft interface and the LEDs on the craft interface directly above each FPC slot. During normal operation:

    • The OK LED lights steadily.

      During normal operation, the green OK LED above the FPC on the craft interface lights steadily when the FPC is online and functioning normally. The green OK LED blinks during startup.

  • Issue the CLI show chassis fpc command to check the status of installed FPCs. As shown in the sample output, the value Online in the column labeled State indicates that the FPC is functioning normally:

    user@host> show chassis fpc

    For more detailed output, add the detail option. The following example also specifies a slot number (0), which is optional:

    user@host> show chassis fpc detail 0

    For further description of the output from the commands, see show chassis environment fpc.