Exfo FTB-635 Wideband Copper and DSL Test Module Instrukcja Użytkownika Pobierz pdf (Strona 294)

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Impulse Tests

286 FTB-635

Impulse Duration

Setting Test Parameters

The Test Parameters page allows you to set either the Impulse Duration

or Disruption test parameters, depending which tab is open.

To set the parameter values:

1. From either the Impulse Duration or Disruption tab, click the Edit

Parameters button to open the Test Parameters page.

2. Set the parameter values as required.

3. Tap Close to confirm and exit the page.

The page allows you to set the following parameters:

 Noise Filter defines the filter currently enabled. Options are: None,

ISDN-E, HDSL-F, ADSL-G, ADSL, ADSL2+, VDSL, VDSL2-8, VDSL2-12,

VDSL2-17, VDSL2-30.

 Termination Resistance allows you to define the resistance of the

dummy load connected to the line.

 Ter mination is either Ter minated, if the termination resistance is

internal to the unit, or Bridging if the termination resistance is

external.

 Test Duration allows you to set the length of time to run the test from a

list of values.

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