Juniper MX240 Hardware Manual page 344

Press and hold the corresponding online button on the craft interface. The green OK/FAIL LED next
to the button begins to blink. Hold the button down until the LED goes off.
Issue the following CLI command:
user@host>request chassis fpc slot slot-number offline
For more information about the command, see the
5. Disconnect the cables from the MICs installed in the MPC.
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:
inserting or removing a cable. The safety cap keeps the port clean and prevents
accidental exposure to laser light.
CAUTION:
An arc smaller than a few inches in diameter can damage the cable and cause
problems that are difficult to diagnose.
6. If a MIC uses fiber-optic cable, immediately cover each transceiver and the end of each cable with a
rubber safety cap.
7. Simultaneously turn both the ejector handles counterclockwise to unseat the MPC.
8. Grasp the handles and slide the MPC straight out of the card cage halfway.
9. Place one hand around the front of the MPC (the MIC housing) and the other hand under it to support
it. Slide the MPC completely out of the chassis, and place it on the antistatic mat or in the electrostatic
bag.
CLI
Do not look directly into a fiber-optic transceiver or into the ends
Do not leave a fiber-optic transceiver uncovered except when
Avoid bending a fiber-optic cable beyond its minimum bend radius.
Explorer.
348