Internet Router Hardware Guide

Replacing Hardware Components
CAUTION: Do not let fiber-optic cable hang free from the connector. Do not allow
fastened loops of cable to dangle, which stresses the cable at the fastening point.
5. Insert the other end of the cable into the destination port.
6. Repeat the previous steps for any additional cables.
7. If the PIC is offline (its failure indicator LED is lit), use one of the following
methods to bring the PIC online:
Press and hold the PIC offline button until the status LED on the PIC
faceplate indicates normal functioning, which usually takes about
5 seconds. The LED is usually green; for more information, see the M160
Internet Router PIC Guide. For the PICs that install on an FPC1, the offline
button for each PIC is next to it on the FPC card carrier. For the PICs that
installonanFPC2,theofflinebuttonisonthePICfaceplate.SeeFigure6.
Issue the following CLI command:
user@host>request chassis pic fpc-slot fpc-slot pic-slot pic-slot
online
For more information about the command, see the JUNOS Protocols , Class of
Service, and System Basics Command Reference.
The normal functioning indicator LED confirms that the PIC is online. You
can also verify correct PIC functioning by issuing the
show chassis fpc pic-status
command described in “Maintaining PICs and PIC Cables” on page 134.
Figure 95: Connecting Fiber-Optic Cable to a PIC
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Replacing Packet Forwarding Engine Components 187