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8.1 “Auto Testing” Mode
When the total length of a fiber span is unknown, the user can simply use the “Auto Testing” function to
acquire the trace and analyze any events found.
While in “Auto” mode, the OTDR will automatically estimate the optical fiber length, set the sampling
parameter, obtain the trace, and display the resulting events in the form of a list.
While in “Auto” Mode, the user can specifically set the desired parameters, such as:
●
The wavelength to be used for testing (at least one wavelength)
●
Testing time span
Note:
If “Auto” mode is used, the TP-P6 analyzes the connected fiber, then calculates the setting that best fits
the required test(s) to be performed. This automatic calibration generally takes under five (x5) seconds. If
the fiber is removed during that time, or the operation is aborted, no test data will be displayed.
Caution
Except for the fiber under test, do not connect any optical fiber which sends any additional optical signal
to the OTDR port. Any external signal over -30dBm will not only affect the OTDR sampling (providing
innaccurate results), but could also permanently damage the OTDR.
8.2 “Auto” Testing Mode
To test and acquire a trace in “Auto” Mode:
“
1. Connect the optical fiber to the right OTDR light port.
2. Set the parameter “Range” to “ AUTO”.
3. Set the testing time span.
4.
To initiate testing:
Using the stylus, click the
icon, or press the
(Start/Stop)
button on the front panel.
5. When the trace is complete, you may save the trace, review the trace or re-analyze the trace. If you
need to re-analyze the trace, please follow the steps as outlined above until a satisfactory test has
been performed.
Note:
●
When testing automatically, please remember to set the “Range” to “AUTO.”
●
When setting the parameters, take into consideration the overall condition, cleanliness and
complexity (number of connections points) of the fiber under test. Failure to do so may result in
highly innacurate test results.
8 Testing Optical Fiber in Auto Mode
Содержание TP-P6
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