EXFO MaxTester 635 - Manual (Page 234)

Copper Auto Tests
226 MAX-635
POTS Auto Test
POTS Auto Test Threshold Settings
The Threshold Settings page allows you to set the
POTS Auto Test Threshold Settings for the
combination of multiple tests. The threshold values do
not come from individual tests but are unique to
POTS.

Loop DC Current sets the DC current value for
the wire pair.

Loss sets the loss value for the wire pair.

Power Influence sets the power influence value
for the test.

VF Noise sets the level of voice frequency noise to be used.

VF/AC Balance (Active) sets the VF/AC longitudinal balance value for
active mode.

Type is a read-only field displaying the threshold limit: either Minimum
or Maximum.

Enabled is a read-only field and always Yes for all thresholds.
To set threshold values:
1. Press the up/down arrow keys to highlight the desired parameter.
2. Press on a value to open the alphanumeric editor screen and use
the navigation keys to scroll through.
3. Press to select each value and use the function keys to complete
your selection.
4. Press to confirm and close your selections.