Impulse Tests
Copper Test
267
VF Impulse Noise Test
The page allows you to set the following parameters:
VF Noise filter
allows you to define the voice frequency noise filter to
be used, dependent on
ITU
or
ANSI
Standard
mode.
Test Duration
allows you to set the length of time to run the test from a
list of values.
Termination Resistance
allows you to define the resistance of the
dummy load connected to the line, by selecting either
600
Ω
or
Bridging
(100 k
Ω
).
Setting Threshold Values
The
Test Thresholds
page allows you to set the
VF Impulse Noise
Threshold
values for the test.
To set the Threshold values:
1.
From the
Copper
main menu
Test Groups
, select
Noise
test
.
2.
From the
Tests
menu, select
VF Impulse Noise
test.
3.
Tap
VF Impulse
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.