Noise Tests
Copper and G.fast/VDSL2/ADSL2+ Multi-play Test Set 193
WB Impulse Noise
Impulse Separation Time (IST) specifies the time interval between
successive impulses. Some impulse events comprise many sub-pulses
or a pulse-train. Use a larger IST to capture longer events of many
sub-pulses, or a smaller IST between events to capture fast sub-pulses
as separate impulse events.
Threshold Settings button opens a new page that allows you to set the
Power Detection Level and WB Impulse Noise thresholds.
Result displays the Count, Detection Level, Elapsed Time, and
pass/fail status which is periodically refreshed, until you stop the test.
Test Status displays the current state of measurement or an error
message.
To select the parameter values:
1. Press the up/down arrow keys to highlight the desired parameter.
2. Press the left/right arrow keys to view and select the options.
OR
3. Press on a value to open a list box of options or the alphanumeric
editor screen and use the navigation keys to scroll through.
4. Press to confirm the value.
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