Exfo Inline Power Meter Manuel d'utilisateur télécharger pdf (Page 15)

Using the Optional Power Meters and VFL

Power Meter and VFL 11

Measuring Power or Insertion Loss

To perform power or insertion loss measurements manually:

1. If necessary, perform an offset nulling (see Nulling Offsets on page 4).

2. Check your fibers and clean them properly.

3. For insertion loss measurements, reference your power meter to a light

source (see Setting Reference Values on Your Power Meter on page 9),

then deactivate the light source.

4. If you have used a single reference patchcord, disconnect it from the

power meter port only, then attach a second reference patchcord to

the power meter.

If you have used two reference patchcords, disconnect both of them at

the bulkhead.

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Exfo Inline Power Meter Manuel d'utilisateur Page 15