Page 76 May 2014 – TD 293 OPERATING MANUAL – SmartGuard 5100/5120/5300/5320
Table A 6 Signal wiring 9pin D sub connection plug for, RS-232 sensor.
Wiring
Signal, RS-232
Description
1
DCD
Input signal to SmartGuard
2
Rx
Serial input to SmartGuard
3
Tx
Serial output from SmartGuard
4
DTR
Output signal from SmartGuard
5
Modem or Sensor power GND
Internally connected to M12 pin 3,4
6
DSR
Input signal to SmartGuard
7
RTS
Ouput signal from SmartGuard
8
CTS
Input signal to SmartGuard
9
RI
Input signal to SmartGuard