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To switch between results for fibers A and B, tap
EventMap screen.
If you did a bi-directional SmartLoop test, touch
seconds to see a summary of the results from ends 1 and 2 on
fibers A and B. To see the EventMap for a result in the list, tap
the result.
When you save SmartLoop results, the tester saves
the results in two records, one for each fiber in
the link.
Bi-Directional SmartLoop Tests
OTDR tests from both ends of a fiber can give different results
because the properties of fibers are not always the same in both
directions. The differences can cause differences in the loss
measurements in each direction. For this reason, bi-directional
results are frequently included in the requirements for jobs.
The bi-directional SmartLoop test gives you bi-directional OTDR
results for both fibers in a link. If necessary, you can use the bi-
directional averaging function in LinkWare PC software to get the
average loss for both directions.
To do a bi-directional SmartLoop test
On the home screen, tap the test setup panel, make sure the
1
correct SmartLoop test is selected on the CHANGE TEST screen,
then tap EDIT.
On the TEST SETUP screen, in the Bi-Directional panel, tap the
2
control to make it show On, then tap SAVE.
On the home screen, make sure the IDs for the fibers are
3
correct. The tester uses the Fiber A ID for the fiber connected
to the launch cord at the start of the test.
Chapter 7: Use the OTDR
Note
The SmartLoop Test
on the
for 3
(continued)
185
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