Solution To troubleshoot the T640 SIBs:
1. Check the LEDs on the faceplate of each SIB.
2. Check the LEDs on the craft interface.
3. Use the CLI to check for alarms.
• Standalone T640 router—Issue the show chassis alarms command to view the
alarms.
• T640 router in a routing matrix—Issue the show chassis alarms lcc lcc-number
command to view the alarms.
Related
Documentation
• T640 Switch Interface Boards (SIBs) Description on page 111
• T640 Switch Interface Boards (SIBs) LEDs
Copyright © 2017, Juniper Networks, Inc.480
T640 Core Router Hardware Guide
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