56
2-WIRE IDSL LINE DRIVER RACK CARDS
D.5.3 T
WO
-W
IRE
C
ABLE
C
ONNECTION VIA
RJ-45
The line interface port on the Card’s twisted-pair interface is polarity insensitive
and is wired for a two-wire interface. Proper two-wire pairing between the two line
drivers is shown in Table D-3.
Table D-3. 2-wire pairing.
Signal
Pin #
Pin #
Signal
Tip
4- - - - - - - - - - - - - - - - - - - - - - 4
Tip
Ring
5- - - - - - - - - - - - - - - - - - - - - - 5
Ring
NOTE
The pin designations shown above are to be used when connecting to
another Line Driver or other similarly pinned line interface on a rear
card.
NOTE
Any G.703 or line interface cable connected to the G.703 card must be
shielded cable, and the outer shield must be 360-degree bonded—at
both ends—to a metal or metalized backshell.
