EXFO VDSL2 - Manual (Page 103)

Fault Location Tests
Copper, VDSL2, ADSL2+, and IP Triple-Play Test Set 95
RFL Separate Good Pair (4 wire) Test
RFL Separate Good Pair (4 wire) Test
The RFL separate good pair test, allows you to determine the distance to a
short, ground, or battery cross in a faulty cable pair using a separate good
cable pair.
Note: Before performing RFL tests install a strap at the other end of the cable.
Test Setup
The Test Setup tab allows you to configure parameters for the RFL test.
Each parameter on the pane is
described below.
³
Sect. denotes the section number
in the cable. Select to enable or
disable that section of the cable.
³
Cable Type defines the gauge of
the cable in use. If wire gauge is
measured in AWG units, the
available choices are: AUTO,
19 AWG, 22 AWG, 24 AWG, or 26 AWG. For mm gauge wire, the
available choices are: AUTO, 0.32 mm, 0.40 mm, 0.50 mm, 0.60 mm,
0.65 mm, 0.80 mm, 0.90 mm, or 1.20 mm.
³
Ohm/mi or Ohm/km is the resistance constant of the cable per unit
length. Specify maximum of five characters.
³
Len. is the length of the cable under test. Specify a maximum of four
characters.
³
Temp. is a temperature of the cable under test. Specify a maximum of
three characters. Default is 60F or 20C.
³
L.Coil specifies the presence or absence of load coil in the cable
section. The choices are YES or NO.