Paradyne 7924 - Manual (Page 48)

Cable Pin Assignments
B-2 7924-A2-GB20-30 October 1997
If your PC’s COM port requires a 25-pin D-shell connector, the cable must use
the following pin assignments.
97-15442-01
1
4
5
7
8
2
3
7
6
8
20
4
5
Modular
Pin
25-Pin
D-Shell Pin
RXD
TXD
GND
TXD
RXD
GND
DSR
DCD
DTR
RTS
CTS
HDSL Loop Connection Cable Pin Assignments
The HDSL modular connector that plugs into the rear panel of the unit has the
following pin assignments.
Pin Signal
1 Loop A Tip
2 Loop A Ring
3 Loop B Tip
4 Loop B Ring
5 – 8 open
NOTE:
Pin 1 is on the left when viewing the jack from its inserted position.