Removing a Cable on an MX480 DPC, MPC, MIC, or PIC
Removing and installing cables on a DPC, MPC, MIC, or PIC does not affect router function.
To remove a cable:
1. Have ready a rubber safety cap for each fiber-optic cable and transceiver.
2. If removing all cables connected to the component, use one of the following methods
to take the component offline:
•
To take a DPC or an MPC offline:
•
Press and hold the corresponding online button on the craft interface. The green
OK 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 CLI Explorer.
•
To take a PIC offline:
•
Press the online/offline button on the PIC. For a PIC installed in an 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 CLI Explorer.
•
To take a MIC offline:
•
Press the online/offline button on the MIC. Use a narrow-ended tool that fits
inside the opening that leads to the button. Press and hold the button until the
MIC LED goes off (about 5 seconds).
•
Issue the following CLI command:
user@host> request chassis mic fpc-slot mpc-slot pic-slot mic-slot offline
For more information about the command, see the CLI Explorer.
3. Disconnect the cable from the cable connector port. If the component uses fiber-optic
cable, immediately cover each transceiver and the end of each cable with a rubber
safety cap.
WARNING: Do not look directly into a fiber-optic transceiver or into the
ends of fiber-optic cables. Fiber-optic transceivers and fiber-optic cable
connected to a transceiver emit laser light that can damage your eyes.
329Copyright © 2017, Juniper Networks, Inc.
Chapter 25: Replacing Line Card Components
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