Juniper PTX10008 Hardware Manual page 349

To disconnect a fiber-optic cable from an optical transceiver installed in the PTX10000 Series:
1. (Recommended) Disable the port in which the transceiver is installed by including the disable statement
at the [edit interfaces] hierarchy level for the specific interface.
WARNING:
fiber-optic cables. Fiber-optic transceivers and fiber-optic cables connected to
transceivers emit laser light that can damage your eyes.
WARNING:
even if the interface has been disabled.
2. Carefully unplug the fiber-optic cable connector from the transceiver.
3. Cover the transceiver with a rubber safety cap.
WARNING:
or removing a cable. The rubber safety cap keeps the port clean and prevents accidental
exposure to laser light.
4. Cover the fiber-optic cable connector with the rubber safety cap.
Connecting a Fiber-Optic Cable to a PTX10000 Router
The PTX10000 router has field-replaceable unit (FRU) optical transceivers to which you can connect
fiber-optic cables. You can remove and replace the cables without powering off the device or disrupting
the routing functions.
Before you connect a fiber-optic cable to an optical transceiver installed in the PTX10000 router, ensure
that you have taken the necessary precautions for safe handling of lasers (see Laser and LED Safety Guidelines
and Warnings for the PTX10008 and PTX10016).
Do not look directly into a fiber-optic transceiver or into the ends of
Do not stare into the laser beam or view it directly with optical instruments
Do not leave a fiber-optic transceiver uncovered except when inserting
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