Wb balance, Balance – EXFO MaxTester 635 User Manual
Page 188
Frequency Tests
180
MAX-635
WB Balance
WB Balance
The wideband balance test ensures that the balance ratio for the twisted
pair complies with applicable standards so as to reduce the effects of
common-mode voltage to ground. The better the balance of the cable pair,
the higher the dB reading.The test measures the WB balance at fixed and
periodic frequencies dependent on the selected bandwidth.
Balance
The Balance page allows you to allows you to
configure the parameters for the WB Balance test and
view the results, in either Portrait or Landscape
Mode.
Current Group is the current test group name, for
example Frequency Tests.
Current Test displays the test being measured.
Here you can switch to another test from the given
list. However, this action will terminate the
ongoing measurement test.
Bandwidth sets the frequency range for the test:
ADSL2+, VDSL2-8, VDSL2-12, or VDSL2-17.
Termination Resistance defines the resistance of the dummy load
connected to the line.
Threshold Settings button opens a new page that allows you to set the
WB Balance Thresholds.
Select Graph button changes to Graph Selected when pressed and
opens a new selection of function keys which allow you to maneuver
the graph as follows: