EXFO FTB-635 Wideband Copper and DSL Test Module - Manual (Page 279)

Impulse Tests
Copper and xDSL Tests 271
WB Impulse Noise Test
Setting Test Parameters
The Test Parameters page allows you to set either the WB Count or
WB Histogram test parameters, depending which tab is open.
To set the parameter values:
1. From either the WB Count or WB Histogram 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 lists 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.

Termination is either Terminated, if the termination resistance is
internal to the unit, or Bridging if additional termination resistance is
used to bridge onto live circuits with minimal interruption.

Test Duration allows you to set the length of time to run the test from a
selection of values.