Juniper EX3300 Complete Hardware Manual page 146

Complete Hardware Guide for EX3300 Ethernet Switches
130
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 arc smaller than a few inches in diameter can damage the cables
and cause problems that are difficult to diagnose.
Remove the cable connected to the transceiver (see
3.
Cable from a Switch" on page
cable connector with a rubber safety cap immediately after disconnecting the
fiber-optic cables.
"Disconnecting a Fiber-Optic
132). Cover the transceiver and the end of each fiber-optic
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