Connector Pin Outs - Siemens SISTORE AX9 250 User Manual

12.5

Connector pin outs

Siemens Building Technologies
Fire Safety & Security Products
I/O connector pin outs
AI (1 to 16) Alarm Inputs 1 to 16
GND Chassis Ground (9 connectors)
AO (1 to 16) Alarm Outputs 1 to 16
ARI Alarm Reset In
RS485 connector pin outs
Master unit
+ To
− To
RS232 connector pin outs
Pin 1 DCD (Data Carrier Detect)
Pin 2 RXD (Receive Data)
Pin 3 TXD (Transmit Data)
Pin 4 DTR (Data Terminal Ready)
Pin 5 GND (System Ground)
Pin 6 DSR (Data Set Ready)
Pin 7 RTS (Request To Send)
Pin 8 CTS (Clear To Send)
Pin 9 RI (Ring Indicator)
Slave unit
TX+
TX-
Appendix
115
03.2007