User manual

Appendix
119
Siemens Building Technologies
Fire Safety & Security Products 12.2008
12.6 Connector pin outs
I/O connector pin outs
AI (1 to 16) Alarm Inputs 1 to 16
GND Chassis Ground (6 connectors)
NC Relay Alarm Output (Normally Closed)
COM Relay Common
NO Relay Alarm Output (Normally Open)
AO (2 to 16) Alarm Outputs 2 to 16
ARI Alarm Reset In
RS485 connector pin outs
Master unit Slave unit
+ J To J TX+
− J To J TX-
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)