Monitoring The Scgs; Checklist For Monitoring The Scg - Juniper M Series Monitoring And Troubleshooting Manual

CHAPTER 15

Monitoring the SCGs

Checklist for Monitoring the SCG

Purpose
Action
Copyright © 2012, Juniper Networks, Inc.
Checklist for Monitoring the SCG on page 401
SCG Overview on page 402
Monitor the SCG Status on page 404
Determine SCG Mastership on page 406
Display SCG Alarms on page 407
Verify SCG Failure on page 408
Get SCG Hardware Information on page 410
Return the SCG on page 411
You monitor the SONET Clock Generators (SCGs) that provide a clock signal for the
SONET/SDH interfaces on the T320, T640, and the T1600 routers. The SCGs select a
clock signal from any Flexible PIC Concentrator (FPC). (See
Table 105: Checklist for Monitoring the SCG
Monitor SCG Tasks
"Monitor the SCG Status" on page 404
1. Monitor the SCG Environmental Status on
page 404
2. Display the SCG LED States at the
Command Line on page 405
3. Check the SCG LEDs States on the
Faceplate on page 405
"Determine SCG Mastership" on page 406
1. Display the SCG Master from the Craft
Interface Output on page 406
2. Check the SCG LED States for SCG
Mastership on the Faceplate on page 406
Table 105 on page
Command or Action
show chassis environment
show chassis environment scg
show chassis craft-interface
show chassis craft-interface
401.)
401