EXFO MaxTester 635G - Page 223

Frequency Tests
Copper and G.fast/VDSL2/ADSL2+ Multi-play Test Set 213
VF/AC Balance
 Result displays the Passive pass/fail status, Power Influence, VF
Noise, and VF/AC Balance values.
 Test Status displays the current state of measurement or an error
message.
Note: The selected Standard in Setup/Application Settings determines the
name of the frequency test - ANSI: VF Balance, ITU: AC Balance.
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.
4. Press to confirm the value.
VF/AC Balance Passive Threshold Settings
The Threshold Settings page allows you to set the
Passive VF/AC Balance Threshold values for the test.
 VF/AC Balance sets the passive balance threshold.
 Type is the threshold limit: either Maximum or
Minimum.
 Enabled is a flag to use the existing threshold:
either Yes or No. For example, setting the
threshold Enabled to No will disable pass/fail
threshold.
 Power Influence Threshold displays the Power
Influence threshold values set in relation to VF/AC Balance threshold
values.