Patton electronic 1140 - Manual (Page 8)

APPENDIX B
PIN CONFIGURATIONS
1- (FG) Frame Ground
2- (TD) Transmit Data
To Model 1140
3- (RD) Receive Data From Model 1140
4- (RTS) Request to Send To Model 1140
5- (CTS) Clear to Send From Model 1140
6- (DSR) Data Set Ready From Model 1140
7- (SG) Signal Ground
8- (DCD) Data Carrier Detect
From Model 1140
To Model 1140 Data Term. Ready (DTR) - 20
DIRECTION “DCE” STANDARD SETTING DIRECTION
13