Juniper MX2020 Hardware Manual page 591

3. Check to see whether the transceiver is covered with a rubber safety cap. If it is not, cover the transceiver
with a rubber safety cap.
WARNING:
inserting or removing a cable. The rubber safety cap keeps the port clean and
prevents accidental exposure to laser light.
4. If the port in which you want to install the transceiver is covered with a dust cover, remove the dust
cover and save it in case you need to cover the port later. If you are hot-swapping a transceiver, wait
for at least 10 seconds after removing the transceiver from the port before installing a new transceiver.
5. Using both hands, carefully place the transceiver in the empty port. The connectors must face the
chassis.
CAUTION:
transceiver is aligned correctly. Misalignment might cause the pins to bend,
making the transceiver unusable.
6. Slide the transceiver in gently until it is fully seated. If you are installing a CFP transceiver, tighten the
captive screws on the transceiver by using your fingers.
7. Remove the rubber safety cap when you are ready to connect the cable to the transceiver.
WARNING:
of fiber-optic cables. Fiber-optic transceivers and fiber-optic cables connected
to transceivers emit laser light that can damage your eyes.
Do not leave a fiber-optic transceiver uncovered except when
Before you slide the transceiver into the port, ensure that the
Do not look directly into a fiber-optic transceiver or into the ends
573