Juniper T640 Hardware Manual page 514

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T640 Core Router Hardware Guide

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To troubleshoot the T640 SIBs:

Check the LEDs on the faceplate of each SIB.

Check the LEDs on the craft interface.

Use the CLI to check for alarms.

Standalone T640 router—Issue the

T640 router in a routing matrix—Issue the

command to view the alarms.

T640 Switch Interface Boards (SIBs) Description on page 111

T640 Switch Interface Boards (SIBs) LEDs

command to view the

show chassis alarms

show chassis alarms lcc lcc-number

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