Juniper PTX5000 Hardware Manual page 560

3. Orient the QSFP28 over the port in the PIC so that the QSFP28 connector faces the appropriate
direction.
4. Slide the QSFP28 into the slot until the locking pins lock in place. If there is resistance, remove the
QSFP28 and flip it so that the connector faces the other direction.
5. Remove the rubber safety cap from the transceiver and the end of the cable, and insert the cable into
the transceiver.
LASER 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 inserting or
removing cable. The safety cap keeps the port clean and prevents accidental exposure
to laser light.
6. Arrange the cable in the cable management system to prevent the cable 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 in the cable management system.
Placing fasteners on the loop helps to maintain its shape.
CAUTION: Do not let fiber-optic cable hang free from the connector. Do not allow
fastened loops of cable to dangle, which stresses the cable at the fastening point.
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.
7. Verify that the status LEDs on the PIC faceplate indicate that the QSFP28 is functioning correctly.
For more information about the PIC LEDs, see the
also verify PIC functioning by issuing the show chassis fpc pic-status command.
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