Help us improve your experience.

Let us know what you think.

Do you have time for a two-minute survey?

Guide That Contains This Content
[+] Expand All
[-] Collapse All

    Related Documentation


    Checklist for Monitoring the MCS


    You monitor the and maintain Miscellaneous Control Subsystem (MCS) to provide control and monitoring functions for router comments and to provide SONET/SDH clocking for the M40e and M160 routers. (See Table 1.)


    Table 1: Checklist for Monitoring the MCS

    Monitor MCS Tasks

    Command or Action

    Check the MCS Status

    1. Check the MCS Environmental Status

    show chassis environment mcs

    1. Check the MCS Status from the Craft Interface

    show chassis craft-interface

    1. Check the MCS LEDs

    Check the LEDs on the MCS faceplate.

    Verifying MCS Failure

    1. Check the MCS Fuses

    The M40e and M160 router fuses are located in a fuse box at the rear of the midplane, behind the lower rear impeller assembly.

    1. Perform an MCS Swap Test

    Remove the MCS and replace it with one that you know works.

    Getting MCS Hardware Information

    1. Display the MCS Hardware Information

    show chassis hardware

    1. Locate the MCS Serial Number ID Label

    Look at the bottom left of the MCS board.

    Returning the MCS

    See Return the Failed Component.


    Related Documentation


    Published: 2012-08-20