Juniper QFX5120 Series Hardware Manual page 126

3. Label the cable connected to the transceiver so that you can reconnect it correctly.
WARNING:
fiber-optic cables. Fiber-optic transceivers and fiber-optic cables connected to
transceivers emit laser light that can damage your eyes.
WARNING:
or removing a cable. The rubber safety cap keeps the port clean and prevents accidental
exposure to laser light.
CAUTION:
arc smaller than a few inches in diameter can damage the cables and cause problems
that are difficult to diagnose.
4. Remove the cable connected to the transceiver (see
Cover the transceiver and the end of each fiber-optic cable connector with a rubber safety cap
immediately after disconnecting the fiber-optic cables.
Do not look directly into a fiber-optic transceiver or into the ends of
Do not leave a fiber-optic transceiver uncovered except when inserting
Do not bend fiber-optic cables beyond their minimum bend radius. An
"Disconnecting a Fiber-Optic Cable" on page
130
139).