Fluke Versiv Series Technical Reference Handbook page 244

Versiv Series Cabling Certification Product Family
Technical Reference Handbook
Always clean and inspect the endfaces in fiber connectors before
you make connections. Fluke Networks recommends that you use
a mechanical device, such as the Fluke Networks Quick Clean
Cleaner, to clean connectors on network equipment. If you do not
have such a device, if the device does not clean the connector
sufficiently, or when you clean connectors on test reference cords,
use other optical-grade supplies such as wipes and solvent.
Figure 92 shows the equipment you use to clean and inspect fiber
endfaces.
To prevent possible eye damage caused by
hazardous radiation:

Do not look directly into optical connectors. Some
optical equipment emits invisible radiation that can
cause permanent damage your eyes.

Before you clean an endface, turn off any optical
sources (laser or LED) that are connected to the
fiber.

When you inspect endfaces, use only magnification
devices that have the correct filters.
To prevent damage to connectors and to keep
contamination off of endfaces:

Always cover unused connectors and adapters with
protective caps.

Always keep unused protective caps in a clean,
sealed container to prevent contamination.
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