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Bi-Directional Testing
To test cabling in both directions and save the bi-
directional results, proceed as follows:
1
On the Job tab, enter names for END 1 and END 2 to
identify the ends of the cabling. Name END 1 as the
end you will test first.
2
Set THIS END to END 1.
3
Test all the cabling and save the results from END 1.
4
On the Job tab, change THIS END to END 2; then test
all the cabling from the other end. When you save
each result, use the same fiber ID you used for the
results from the first end. The ID will be in the IDs IN
CURRENT FOLDER list.
Comparing OTDR Traces
The trace overlay function lets you see two OTDR traces
at the same time. This lets you do the following:
•
Compare a link's current trace with a past trace to
see if the link has changed.
•
Compare traces from links in the same run to check
for differences.
Using the OTDR
3
Bi-Directional Testing
3-39
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