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T4000 LCC-CB


Each LCC-CB consists of the following components:

  • 100-MB Ethernet switch for intermodule communication.

  • PCI bus to the Routing Engines.

  • Switch processor mezzanine board (SPMB).

Figure 1: LCC-CB

The following components are located on the LCC-CB faceplate:

  • Two configuration switches:

    • The M/S configuration switch must be set to S.

    • The CHASSIS ID configuration switch must be set to 0.


    If the configuration switches are set incorrectly, a kernel error occurs during the boot process. Use the show log messages operational-mode CLI command to confirm the error:

    To resolve the error, ensure the switches are set properly, and reboot the router.

  • Three LEDs labeled MASTER, FAIL, and OK, which indicate the control board status.

  • The online/offline button.

  • Six RJ-45 ports labeled SFC0 through SFC5, which is currently not supported. The two LEDs for each port labeled LINK and ACT are also not currently supported.

  • One JCS port, which is not currently supported. The LINK LED for this port is also not currently supported.