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OneExpert DSL User's Guide
22052280, Rev. 015 April 2019
Chapter 13 Copper Testing
203
Measuring impulse noise
Impulse noise is spurious voltage spikes that can disrupt digital transmissions.
1. Connect the Tip and Ring (A and B) leads to the line under test.
2. Press the
Display softkey.
3. Select Mode and then select Impulse Noise . The Impulse Noise menu appears.
4. To specify a technology, press Technology and then do the following:
• Select a technology from the list.
• Specify a custom technology. Select
Custom and then specify the termination
and filter.
5. To select the type of test, press Options and then select Timed or Counter
(untimed).
6. Specify the Dead Time . This is how long the OneExpert DSL will wait before
attempting to detect the next impulse event.
7. To use an external bridge, press Options and then select the checkbox for Use
External Bridge.
A count of impulse noise events appears on the Impulse Noise screen.
If an impulse noise “hit” occurs, a log file is generated that includes the date and
time and the number of counts that occurred in that second. The log file also
includes the termination, filter, threshold, and test start time.
8. To save the results to a report, use the Tray menu.
9. To learn what your results mean, see
“Impulse Noise” in Chapter 15 “Test Results” .
You have completed the test.