6 vf tests, 6vf tests – EXFO VDSL2 User Manual
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Copper, VDSL2, ADSL2+ and IP Triple-Play Test Set
95
6
VF Tests
The purpose of the voice frequency (VF) tests is to perform VF band noise
and level measurements, and count load coils. The AXS-200/635i uses the
following types of VF tests:
³
Receive tone (RX)
³
Send tone (TX)
³
Tracing tone
³
Noise Metallic
³
Impulse noise
³
Power influence
³
Longitudinal balance
³
Load coil detection
To access VF Tests:
1. From the Home pane use the up/down arrow keys to highlight Fault
Isolation Tools and press
.
2. Highlight VF Tests and press
to start the test.
To view VF test panes or tabs:
1. From the VF Tests pane use the up
or down arrow key to highlight the
desired test, then press
.
2. Press the F1, F2, or F3 key to view
available tabs. To view any
available additional tabs, use the
function arrow keys on either side
of the F1 and F3 keys.