Cable Pin Assignments
If your PC's COM port requires a 25-pin D-shell connector, the cable must use
the following pin assignments.
HDSL Loop Connection Cable Pin Assignments
The HDSL modular connector that plugs into the rear panel of the unit has the
following pin assignments.
B-2
Modular
Pin
1
4
5
7
8
Pin
Signal
1
Loop A Tip
2
Loop A Ring
3
Loop B Tip
4
Loop B Ring
5 – 8
unused
NOTE:
Pin 1 is on the left when viewing the jack from its inserted position.
June 1997
25-Pin
D-Shell Pin
2
3
7
6
8
20
4
5
97-15442
7925-A2-GB20-30
PRELIMINARY DRAFT