Exfo FTB-610 Wideband Copper Test Module Manual de usuario Pagina 244

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Noise Tests
236 FTB-610
VF Noise Test
VF Noise Test
The VF Noise test allows you to measure the amount of unwanted VF band
noise within the C-Message filter, which could affect POTS voice
communications.
Continuous
The Continuous function displays and updates results in real time, until
you stop the test. The last valid results then remain displayed. The page
also displays the pass/fail status and VF Noise value.
To access Continuous page:
1. From the Copper main menu Test Groups, select Noise test
.
2. From the Tests menu, select VF Noise test to start the test.
By default, the Continuous page opens.
The current group and the current test which is being measured is
displayed in the status bar, for example Noise\VF Noise.
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