Performing FTTx Measurements
36
PPM-350D
Working in dB (Loss) Mode
Working in dB (Loss) Mode
To work in dB (loss) mode (downstream only):
1.
In the menu panel, tap on a test configuration to see the
Configuration
list
.
2.
Tap
Power REF
to perform a reference (only selected PON layers are
referenced).
Tap
TAKE REF
.
3.
Tap the arrow to return to the menu page, then the measurement
page, and perform a loss measurement. Values are in dB.
Tap
dB
to toggle between
dBm
and
dB
.
You can manually edit the REF values if for example the Power REF was
measured by someone else, at the other end of the link. See
on page 35 for more information.