Use the HDR OTDR
HDR OTDR Results
275
HDR OTDR Trace
To see the OTDR trace, tap TRACE on the OTDR results screen.
Figure 104 shows an example of an OTDR trace.
GPU223.EPS
Figure 104. HDR OTDR Trace
The decibel scale shows the level of backscatter. The tester sets
the backscatter level at the start of the trace to approximately
0 dB.
The measurement cursor. To measure loss and distance, tap the
yellow circle so that MARK shows, drag the cursor to the start of
the measurement, tap MARK, then drag the cursor to the end of
the measurement.
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