Use the HDR OTDR
The SmartLoop Test
295
Do the SmartLoop test
1 On the home screen, make sure the IDs for the fibers are
correct. The tester uses the Fiber A ID for the fiber connected
to the launch cord at the start of the test.
2 Make the connections for End 1 as shown in Figure 113.
Note
To decrease the wear on the OTDR connector and
help keep it clean, use an OTDR port protector (30
cm, 12 in) patch cord to connect the OTDR to the
launch and tail cords for bi-directional SmartLoop
tests. These cords are available from Fluke
Networks.
To reduce the effect of the port protector patch cord
on results, do not use a cord longer than 50 cm
(20 in).
3 Tap TEST or press .
4 Halfway through the test, the tester tells you to connect the
tail cord to the OTDR port. Make the connections for End 2 as
shown in Figure 113, then tap DONE.
The tester automatically calculates bi-directional averages of
loss measurements and includes the averaged values in the
test record.
WCaution
Switch the launch and tail connections at the end of
the short patch cord. If you switch the connectors at
the patch panel, you will possibly get less accurate
results for those connections during the second half
of the test.
5 If Auto Save is on, the tester uses the next two IDs to save the
results for the two fibers.
If Auto Save is off, and you tap SAVE or FIX LATER, the SAVE
RESULTS screen shows the next two IDs available. You can
change the IDs if necessary.
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