Juniper M120 Hardware Manual page 250

M120 Multiservice Edge Router Hardware Guide
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CAUTION: Do not leave a fiber-optic transceiver uncovered except when
inserting or removing cable. The safety cap keeps the port clean and
prevents accidental exposure to laser light.
Arrange the cable in the cable management system to prevent it from dislodging or
6.
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 in
the cable management system. Placing fasteners on the loop helps to maintain its
shape.
CAUTION: Avoid bending fiber-optic cable beyond its minimum bend
radius. An arc smaller than a few inches in diameter can damage the cable
and cause problems that are difficult to diagnose.
For an FPC3 PIC, loosen the captive screw at the bottom of the PIC faceplate, and
7.
then twist the ejector handle at the top of the faceplate counterclockwise to unseat
the PIC. For an FPC1 or FPC2 PIC, loosen the captive screws at the top and bottom of
the faceplate.
Slide the PIC out of the FPC card carrier and place it in the electrostatic bag or on the
8.
antistatic mat.
If you are not reinstalling a PIC into the emptied PIC slot within a short time, install a
9.
blank PIC panel over the slot to maintain proper airflow in the FPC card cage.
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