Paradyne HotWire 7985 User Manual page 103

COM Port Interface Cable
The COM port connects to either a PC or to an ASCII terminal or printer for
alarms. The COM port-to-PC cable is a 14-foot, 26 AWG, 8-conductor cable with
an 8-position modular plug keyed connector and a DB9 socket connector
(Figure C-2). The COM port connector is an 8-position keyed modular jack
(Table C-2). The data signals on this port are referenced to a DTE interface.
Figure C-2. COM Port-to-PC Cable (Feature Number 7900-F1-510)
7985-A2-GB20-00
98-15886
October 1998
Cables and Pin Assignments
Table C-2. COM Port Interface
Connector
Signal Pin Number
Rx Data (out to DTE)
Ground
Tx Data (in from DTE)
DTR (in from DTE)
CD (out to DTE)
RTS (in from DTE)
2
3
4
5
6
7
C-3