Juniper MX240 Hardware Manual page 350

3. Use one of the following methods to take the PIC offline:
Press its online/offline button. For a PIC installed in FPC3, use a narrow-ended tool that fits inside
the opening that leads to the button. Press and hold the button until the PIC LED goes off (about 5
seconds).
Issue the following CLI command:
user@host> request chassis pic fpc-slot fpc-slot pic-slot pic-slot offline
For more information about the command, see the
4. Label the cables connected to the PIC so that you can later reconnect each cable to the correct PIC.
5. Disconnect the cables from the PIC. If the PIC uses fiber-optic cable, immediately cover each transceiver
and the end of each cable with a rubber safety cap.
WARNING:
of fiber-optic cables. Fiber-optic transceivers and fiber-optic cables connected
to a transceiver emit laser light that can damage your eyes.
CAUTION:
are inserting or removing cable. The safety cap keeps the port clean and prevents
accidental exposure to laser light.
6. Arrange the cable to prevent it from dislodging or developing stress points. Secure the cable so that it
is not supporting its own weight as it hangs to the floor. Place excess cable out of the way in a neatly
coiled loop.
CAUTION:
An arc smaller than a few inches in diameter can damage the cable and cause
problems that are difficult to diagnose.
7. For an FPC3 PIC, loosen the captive screw at the bottom of the PIC faceplate, then twist the ejector
handle at the top of the faceplate counterclockwise to unseat the PIC.
CLI
Do not look directly into a fiber-optic transceiver or into the ends
Do not leave a fiber-optic transceiver uncovered except when you
Avoid bending a fiber-optic cable beyond its minimum bend radius.
Explorer.
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