EXFO FTB-3930 MultiTest - Manual (Page 33)

Measuring Power or Loss
Multifunction Loss Tester 27
Measuring Power or Loss
6. Using bulkhead adapters or the system patch panels, connect a fiber
under test to reference patchcords attached to the light source and
power meter.
7. Activate the source at the desired wavelength.
8. Match the power meter wavelength with the source wavelength as
follows:
Scroll through the Wavelength list to switch between favorite
wavelengths of your power meter (see Defining the List of Favorite
Wavelengths on page 20).
If the unit detects a modulated signal, it beeps and the signal frequency
is indicated in the status bar.
9. Scroll through the Unit list to select the desired power (W or dBm) or
loss (dB) unit.
Reference
patchcord
Reference
patchcord
FTB-3930
MULTITEST
Light
source Power
meter
Adapter
Fiber
under test
Bulkhead
adapter
Bulkhead
adapter