990DSL
Users Guide
6-14
Pair 1 Monitor
The Pair 1 Monitor test can help you track down intermittent faults. The test
operates continuously (like the Pair 1 Test), but the CopperPro records
waveform differences over time on the screen.
Figure 6-4 shows the results from a Pair 1 Monitor test that was conducted on
a pair with an intermittent splice connection.
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Figure 6-4. Pair 1 Monitor Test Result: Intermittent Splice
The TDR function keys operate in the same manner as they do on the Pair 1
test result screen (see “Pair 1 Test” and Table 6-3 for descriptions).
You can change the cursor positions at any time without affecting the
displayed waveform. However, if you operate any of the other softkeys, you
will erase the previously stored deviations and the waveform will start anew
from that point.
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