EXFO VDSL2 - Manual (Page 87)

Copper, VDSL2, ADSL2+, and IP Triple-Play Test Set 79
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-200/635 uses the
following types of VF tests:
³
Receive tone (RX)
³
Send tone (TX)
³
Tracing tone
³
VF noise
³
Impulse noise
³
Power influence
³
Longitudinal balance
³
Load coil detection
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.