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Chapter 6 Bi-directional OTDR
Performing a bi-directional measurement
Step 2
The line <Check if same fiber for both units> becomes <In progress...>. If the master MTS/
T-BERD successfully detects the other MTS/T-BERD at the extremity of the fiber under
test, the validation symbol is displayed, and the process proceeds to Step 3. Otherwise,
the red cross
Step 3
The master MTS/T-BERD performs the acquisition using the first wavelength in the list.
The acquisition time selected on the Setup screen is displayed on each MTS/T-BERD,
either in the «Local» column or the «Remote» column, depending on which MTS/T-
BERD is considered. When the measurement is terminated, the message <Completed>
is displayed. The trace is transferred to the other MTS/T-BERD.
Step 4
The slave MTS/T-BERD performs the acquisition using the same wavelength. The
message acquisition time selected on the Setup screen is displayed on each MTS/T-
BERD, either in the «Local» column or the «Remote» column, according to which MTS/
T-BERD is considered. The message <Completed> is displayed when the measurement
is terminated,. The trace is transferred to the master MTS/T-BERD.
Step 5
The bi-directional measurement is completed.
NOTE
The message <Impossible measurement> is displayed if the measurement has
not been able to detect the end of the fiber on any of the two traces. The
measurement must be performed once more with new acquisition parame-
ters or by placing markers manually on the measurement.
Step 6
Step 3, Step 4 and Step 5 are performed for each wavelength to test.
IMPORTANT
It is possible to stop the measurement at any step of the process, by pressing the button
S
/S
TART
TOP
204
is displayed and the measurement is stopped.
on the master MTS/T-BERD.
User Manual
78000010220 Rev. 024
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Table of Contents
Troubleshooting
