Exfo FTB-635 Wideband Copper and DSL Test Module Uživatelský manuál stáhnout pdf (Strana 228)

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101

Signal Test

220 FTB-635

WB Balance Test

Setting Threshold Values

The Test Thresholds page allows you to set the Marginal/Good Balance

thresholds for ADSL/2+ and VDSL2-8/12/17/30 WB Balance.

To set the Threshold values:

1. From the Copper main menu Test Groups, select Signal test

2. From the Tests menu, select WB Balance test.

3. Tap WB Balance tab for which you want to set the threshold values.

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.

 Marginal/Good Balance are balance thresholds ranging from 5 dB to

99 dB..

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