CHAPTER 19
Monitoring the MCS
•
Checklist for Monitoring the MCS on page 455
•
MCS Overview on page 456
•
Check the MCS Status on page 457
•
Verifying MCS Failure on page 460
•
Getting MCS Hardware Information on page 462
•
Returning the MCS on page 463
Checklist for Monitoring the MCS
Purpose 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 116 on page 455.)
Action Table 116: Checklist for Monitoring the MCS
Command or ActionMonitor MCS Tasks
“Check the MCS Status” on page 457
show chassis environment mcs1. Check the MCS Environmental Status
on page 457
show chassis craft-interface2. Check the MCS Status from the Craft
Interface on page 458
Check the LEDs on the MCS faceplate.3. Check the MCS LEDs on page 459
“Verifying MCS Failure” on page 460
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. Check the MCS Fuses on page 460
Remove the MCS and replace it with one that
you know works.
2. Perform an MCS Swap Test on page 461
“Getting MCS Hardware Information” on page 462
455Copyright © 2012, Juniper Networks, Inc.
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