4. Label the cables connected to the MIC so that you can later reconnect each cable to
the correct MIC.
5. Disconnect the cables from the MIC. If the MIC uses a 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.
CAUTION: Do not leave a fiber-optic transceiver uncovered except when
you 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: Avoid bending fiber-optic cable beyond its minimum bend
radius.An arc smallerthan a few inches in diameter can damage the cable
and cause problems that are difficult to diagnose.
7. Loosen the captive screw on the cover that is adjacent to the MIC that you are
removing. Swing the cover away from the MIC to expose the handles.
8. Grasp the handles on either side of the MIC faceplate, and slide the MIC out of the
chassis. Place the MIC in the electrostatic bag or on the antistatic mat.
9. If you are not reinstalling a MIC into the emptied MIC slot within a short time, install
a blank MIC panel over the slot to maintain proper airflow in the chassis card cage.
Copyright © 2017, Juniper Networks, Inc.162
MX104 3D Universal Edge Router Hardware Guide
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