EXFO VDSL2 - Manual (Page 105)

VF Tests
Copper, VDSL2, ADSL2+ and IP Triple-Play Test Set 97
Send Tone (TX)
Send Tone (TX)
The VF Send Tone (TX) pane allows
you to configure and transmit a tone to
a downstream device in the loop.
Each parameter and button on the
pane is described below.
³
Frequency (Hz) is the frequency
of the transmitting tone. Specify a
value between 200 and 20000.
Default value is 1004 Hz.
³
Level (dBm) is the tone level. Specify a value between -20 and 10.
³
Apply is used to confirm any changes to parameter values which can
be changed while the test is running.
To start/stop the test:
1. Press the up/down arrow keys to highlight the desired test parameter.
2. Press to specify a value.
3. Press the left/right arrow keys to erase the existing value, and then use
the alphanumeric keypad to enter a value. To cancel the entry, press
.
4. Press to accept the value.
5. Select other parameters as required.
6. Press to start/stop the test.
Test results are displayed on the screen as they are completed.