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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 transceivers emit laser light that can damage your eyes.

WARNING: Do not leave a fiber-optic transceiver uncovered except when

inserting or removing a cable. The rubber safety cap keeps the port clean

and prevents accidental exposure to laser light.

CAUTION: Do not bend fiber-optic cables beyond their minimum bend

radius.An arcsmallerthan a few inches in diameter candamage the cables

and cause problems that are difficult to diagnose.

3. Remove the cable connected to the transceiver (see “Disconnecting a Fiber-Optic

Cable froma Switch” on page 222). Cover the transceiver and the end of each fiber-optic

cable connector with a rubber safety cap immediately after disconnecting the

fiber-optic cables.

EX4550 Switch Hardware Guide

Juniper EX4550 Hardware Guide

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