Exfo VDSL2 Manual de usuario Pagina 127

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Copper, VDSL2, ADSL2+ and IP Triple-Play Test Set 119
8 Wideband Tests
Wideband tests allow you to perform cable qualification checks on the
circuit in the frequency range above 20 kHz. Wideband tests include the
following:
³ Receive tone (RX)
³ Send tone (TX)
³ PSD noise
³ Spectral detective
³ Impulse noise
³ Impulse noise histogram
³ Attenuation
³ Longitudinal balance
³ Data rate prediction
Note: Tests above 2.2 MHz are only available if VDSL2WB option is installed.
To access wideband tests:
1. From the Home pane use the up/down arrow keys to highlight Fault
Isolation Tools and press .
2. Highlight Wideband Tests and press to list the available tests.
To view the wideband test tabs:
1. From the Wideband 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.
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