EXFO MaxTester 635 - Manual (Page 223)

RFL
Copper and VDSL2/ADSL2+ Multi-play Test Set 215
Separate Good Pair

Fault Status displays the status of the RFL test.

Test Status displays the current state of measurement or an error
message.
Separate Good Pair
The RFL Separate Good Pair or 4-wire test allows you
to determine the distance to a short, ground, or
battery cross on a faulty cable conductor using two
separate good cable conductors.
Connect a strap from the faulted wire to both
conductors of the good pair.

The connection diagram shows you how to
connect the cables to the unit.

When FED is Enabled on the FED Setup page, the
Confirmation window pops up displaying how to
connect your cables at the beginning of the test.
The FED allows you to remotely place a strap (to
short together) the T1/T/R (A1/A/B) at the far end
for 4-wire RFL.
The Confirmation diagram uses graphic and
textual components.

Proceed button closes the hookup diagram prompt and starts the
test.

Cancel button closes the hookup diagram prompt only.
Note: Unlike 2-wire RFL, G/E on the FED is not grounded (on the FED side).