CHAPTER 36
Routine Maintenance
IN THIS CHAPTER
Maintaining Fiber-Optic Cables in a QFX Series Device | 491
How to Handle Fiber-Optic Cables | 492
Maintaining Fiber-Optic Cables in a QFX Series Device
To maintain fiber-optic cables in the QFX Series:
•
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 connector.
•
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 Cletop-S
®
Fiber Cleaner. Follow
the directions in the cleaning kit you use.
491
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