Carrying Out The Reference In Loopback Mode - Viavi T-BERD/MTS 2000 User Manual

Chapter 6 Power meter and Source options of the OTDR Modules
Performing the insertion loss measurement
4 Set, on equipment (2), the power meter (from OTDR module, from the Base-unit
or from USB) as "Standard Ref"
a
b
c
d
e
The reference levels are stored into the unit, and have been automatically filled into the
setup.

Carrying out the reference in loopback mode

This reference can be carried out when the units are separated, at different locations. It
is made using the OTDR source and the power meter built-in the platform.
NOTE
Each platform must be equipped with a power meter set onto the base-unit.
Figure 63 Reference in loopback mode
Source of the
OTDR module
OTDR
MTS / BERD / SmartOTDR (1)
110
Press the H key
OME
Use the arrow keys or touchscreen to select the Powermeter function in
Home page
Press R key.
ESULTS
In the Results page, press Pow.Reference > Standard Ref.
The actual power level is set as the new reference level for the selected
wavelength. Then, the displayed value is around 00.00 dB.
Press Exit and go back to the Results page.
Power meter of
Base unit
User Manual
.
OTDR
Source of the
OTDR module
MTS / BERD / SmartOTDR (2)
77000010208 Rev. 012
Power meter of
Base unit