Cable Pin Assignments
SDSL Connection Cable Pin Assignments
B-2
If your PC's COM port requires a 25-pin D-shell connector, the cable must use
the following pin assignments.
Modular
Pin
RXD
1
4
5
TXD
7
GND
8
The SDSL modular connector that plugs into the rear panel of the unit has the
following pin assignments.
Pin
Signal
1
Loop Tip
2
Loop Ring
3 – 8
unused
NOTE:
Pin 1 is on the left when viewing the jack from its inserted position.
September 1997
25-Pin
D-Shell Pin
2
TXD
3
RXD
7
GND
6
DSR
8
DCD
20
DTR
4
RTS
5
CTS
97-15442-01
7915-A2-GB20-20