Juniper SRX 5800, Hardware Manual

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Figure 141: Installing a Port Module
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10. If the port module uses fiber-optic interfaces, remove the rubber safety cap from each transceiver and
cable.
WARNING: Do not look directly into a fiber-optic transceiver or into the ends
of fiber-optic cables. Fiber-optic transceivers and fiber-optic cables connected
to a transceiver emit laser light that can damage your eyes.
11. Insert the appropriate cables into the cable connector ports on each port module. Secure the cables
so that they are not supporting their own weight. Place excess cable out of the way in a neatly coiled
loop, using the cable management system. Placing fasteners on a loop helps to maintain its shape.
CAUTION: Do not let fiber-optic cables hang free from the connector. Do not
allow the fastened loops of a cable to dangle, which stresses the cable at the
fastening point.
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