Exfo Inline Power Meter Manuel d'utilisateur télécharger pdf (Page 27)

Using the Optional Power Meters and VFL

Power Meter and VFL 23

Identifying Fiber Faults Visually with the VFL

The optional visual fault locator (VFL) helps you identify bends, faulty

connectors, splices and other causes of signal loss. It can also help the

person at the other end of the link to identify the fiber under test, which

could be particularly useful when working with cables containing many

fibers.

From its dedicated port, the VFL emits a red signal which becomes visible

at the location of a fault on the fiber. This signal can be continuous (CW) or

blinking (1 Hz).

WARNING

When the VFL is active, the VFL port emits visible laser radiation.

Avoid exposure and do not stare directly into the beam. Protect any

unused port with a cap.

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Exfo Inline Power Meter Manuel d'utilisateur Page 27