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APPENDIX B
PATTON ELECTRONICS MODEL 1140A
RS-232 PIN CONFIGURATIONS
APPENDIX C
PATTON ELECTRONICS MODEL 1140A
BLOCK DIAGRAM
Copyright © 1998
Patton Electronics Company
All Rights Reserved
1- (FG) Frame Ground
2- (TD) Transmit Data
To Model 1140A
3- (RD) Receive Data
From Model 1140A
4- (RTS) Request to Send
To Model 1140A
5- (CTS) Clear to Send
From Model 1140A
6- (DSR) Data Set Ready
From Model 1140A
7- (SG) Signal Ground
8- (DCD) Data Carrier Detect From Model 1140A
To Model 1140A
Data Term. Ready (DTR) - 20
To Model 1140A
Remote Loop (RL) - 21
From Model 1140A
Transmit Clock (TC) -15
From Model 1140A
Receiver Clock (RC) - 17
To Model 1140A
Local Loop (LL) - 18
DIRECTION
“DCE” STANDARD SETTING
DIRECTION
MODEL
1140A
B
LOCK
D
IA
GRAM