Exfo FTB-635 Wideband Copper and DSL Test Module Manual de usuario Pagina 266

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Noise Tests
258 FTB-635
NEXT
Note: The Frequency values can be increased or decreased by tapping in the
Frequency box, then tapping/pressing the up or down arrows on either the
on-screen keyboard or FTB-1 keypad.
Setting Spot Test Thresholds
The Test Thresholds page allows you to set the Spot Mode Thresholds.
To set the Threshold values:
1. From the Copper main menu Test Groups, select Noise test
.
2. From the Tests menu, select NEXT test.
3. Tap Spot tab.
4. Tap Edit Thresholds button to open the Test Thresholds page.
5. Set the threshold values as required.
6. Tap Close to confirm and exit the page.
The page allows you to set the following parameters:
Threshold is the threshold limit for each pair: Maximum, Minimum, or
None which disables the threshold. In this case, the pass/fail status
indicator will not be displayed.
Crosstalk allows you to set the NEXT threshold value.
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