DTX-MFM2/GFM2/SFM2 Fiber Modules
Users Manual
34
Autotest in Loopback Mode: Test the Fiber
WCaution
If you disconnected the test reference cord from
the tester’s output port, you must set the
reference again to ensure valid measurements.
11
Clean and inspect the connectors on the cabling to be
tested; then connect to the cabling. The tester shows
connections for the test method you selected. Figure 12
shows connections for the 1 Jumper method.
12
Turn the rotary switch to AUTOTEST. Verify that the
media type is set to Fiber Loss. Press
J Change
Media to change it if necessary.
13
Press P.
14
If bi-directional testing is enabled, the tester prompts
you to switch the fibers halfway through the test.
Switch the fibers at the adapters (not at the tester’s
ports).
15
To save the results, press N, select or create a fiber ID;
then press N again.
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