
Chapter 7
Power meter and Source options of the OTDR Modules
Configuring the Power meter
User Manual
770000102/08
93
Configuring the
measurement
parameters of
the power
meter
The measurement parameters can be accessed with the
S
ETUP
key.
Wavelength
Selecting wavelength:
- Auto: the wavelength of the input signal will be
automatically detected and selected to perform
the measurement:
- 1310, 1490, 1550, 1625 or 1650 nm:
measurement performed at specified
wavelength, for singlemode powermeter.
- 850 and 1300 nm: measurement performed at
specified wavelength, for multimode powermeter.
Beep on modulation
Select if a sound must be heard when a
modulation occurs (Yes / No)
Unit
Unit of power displayed:
- Watt, dBm for displaying absolute power
- dB for displaying a result relative to a reference
(link loss)
Reference level
If dB units were chosen in the previous line,
selection of the reference value for the
wavelength selected. Using the direction keys,
first choose the wavelength, then press the > key
to access choice of the value (+XXX.XX), then
confirm this value with the
E
NTER
key.
This reference is also automatically available, in
the
Results
page, using the
Set as Reference
key.
Attenuator compensation
Choice of level to be applied to the wavelength
chosen for measurement to compensate for the
loss due to the external attenuator (+XX.XX dB).
First use the direction keys to choose the
Fig. 58
Configuration of power measurement
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