Juniper T4000 Hardware Manual page 332

T4000 Core Router Hardware Guide
302
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
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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.
Type 4 or Type 5 PIC—To unseat the PIC, twist the ejector handle at the bottom of
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the PIC faceplate, then twist the ejector handle at the top of the faceplate
counterclockwise to unseat the PIC.
Slide the PIC out of the FPC card carrier, and place it in the electrostatic bag or on the
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antistatic mat.
If you are not reinstalling a PIC into the emptied PIC slot within a short time, install a
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blank PIC panel over the slot to maintain proper airflow in the FPC card cage.
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