EXFO FTB-635 Wideband Copper and DSL Test Module - Manual (Page 282)

Impulse Tests
274 FTB-635
WB Impulse Noise Test
WB Histogram
The wideband impulse noise histogram test displays a plot of the impulse
noise spikes over a user-defined time period.
To access WB Histogram page:
1. From the Copper main menu Test Groups, tap Noise test.
2. From the Tests menu, tap WB Impulse Noise icon to start the test.
By default, the WB Count page opens.
3. Tap the WB Histogram tab to view the graph.
4. Use the graph controls to maneuver the graph. Refer to Graph Controls
on page 19 for more information.
Summary
Summary tab displays the pass/fail status of the tests executed. Refer to
Copper Tests: Result Summary on page 291 for more information