Performing The Power Level Measurement - Viavi 8100 V2 Series User Manual

Chapter 5 Power meter and Source functions of the OTDR Modules

Performing the power level measurement

Mode
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–
–
–
The mode used is displayed, above the icon
Standard Reference
If the power meter function is selected onto the equipment (either on Base-Unit or on
OTDR module) the menu keys are different on screen:
Source Config
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–
Performing the power level measurement
The power meter is started up as soon as the function
H
page.
OME
It is not possible to use simultaneously the Source function and the
Powermeter function, when both options are set onto the OTDR mod-
ule, as they use the same connector.
Power measurement is automatically updated in consequence. The value
«<-50 dBm» is displayed when the laser is switched off and if the source
output is looped on to the power meter input.
188
To vary the mode of emission of the source. Possible modulation
values are:
270 Hz / 330 Hz / 1 kHz / 2 kHz
Auto (the sources emit on determined frequencies to enable the power
meter to detect the wavelength used automatically)
TwinTest (cyclical emission on all available wavelengths for a few seconds
on each wavelength).
CW (continuous emission)
To perform a side by side reference measurement (see
the side by side reference" on page
Allows to display the following keys:
Wavelength and Mode menu keys
The Source Reference menu key, which allows to open a sub-menu with
the following keys:
Standard Ref:to perform a reference in side by side mode (see
out the side by side reference" on page
Jumper Ref:to perform a reference measurement in loopback mode (see
"Carrying out the reference in loopback mode" on page
User Manual
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"Carrying out
"Carrying
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is activated in the