Juniper QFabric QFX3000-G Hardware Documentation page 770

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QFX3000-G QFabric System Hardware Documentation

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When you unplug a fiber-optic cable from a transceiver, place rubber safety caps over

the transceiver and on the end of the cable.

Anchor fiber-optic cable to avoid stress on the connectors. When attaching a fiber-optic

cable to a transceiver, be sure to secure the fiber-optic cable so that it is not supporting

its own weight as it hangs to the floor. Never let a fiber-optic cable hang free from the

Do not bend fiber-optic cables beyond their minimum bend radius. Bending the cables

beyond their minimum bend radius can damage the cables and cause problems that

are difficult to diagnose.

Frequent plugging and unplugging of fiber-optic cables in and out of optical instruments

can damage the instruments, which are expensive to repair. Attach a short fiber

extension to the optical equipment. Any wear and tear due to frequent plugging and

unplugging is then absorbed by the short fiber extension, which is easier and less

expensive to replace than the instruments.

Keep fiber-optic cable connections clean. Microdeposits of oil and dust in the canal of

the transceiver or cable connector can cause loss of light, reduction in signal power,

and possibly intermittent problems with the optical connection.

To clean the transceiver canal, use an appropriate fiber-cleaning device such as RIFOCS

Fiber Optic Adaptor Cleaning Wands (part number 946). Follow the directions in the

cleaning kit you use.

After cleaning the transceiver, make sure that the connector tip of the fiber-optic cable

is clean. Use only an approved alcohol-free fiber-optic cable cleaning kit such as the

Fiber Cleaner. Follow the directions in the cleaning kit you use.

Connecting a Fiber-Optic Cable to a QFX Series Device on page 712

Disconnecting a Fiber-Optic Cable from a QFX Series Device on page 711

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