U
SER
M
ANUAL
750000992/16
5-35
MTS
e
Both End Measurement
Result Table
A marker must therefore be placed on the corresponding trace, at the position
where the event was detected in the other direction. A measurement is then
made automatically at this marker (see "Addition of markers" on page 5-21).
To do this, see "Changing the active trace" on page 5-34.
Carry out the same procedure for all the non detected events on each trace. The
result table should then show all the results.
If one or more splices could not be measured in semi-automatic mode, for
example if the segment of the fiber is too short to make linear regressions, then
manual measurements must be made (see "Addition of manual measurements"
on page 5-22).
Launch Cables
If the fiber uses a launch cable at one or both ends, it is possible to eliminate
results linked to launch cables in identifying it or them in the menu
SET-UP
/ Test
Setup / Results on lines:
- Launch Cable O->E
- Launch Cable E->O.
In each case the identifiers “Marker 1” or “Marker 2” and “Marker 3” are
available.
Example:
Non detected event
Total result of the fiber link
(distance and loss) without
Results displayed
in red if they
exceed the splice
alarm threshold
defined in the
OTDR TEST SET
menu.
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