User manual

Appendix
97
Siemens Building Technologies
Fire Safety & Security Products 01.2009
12.5 Connector pin outs
I/O connector pin outs
AI (1 to 4) Alarm Inputs 1 to 4
G Chassis Ground (2 connectors)
NC Relay Alarm Outputs (Normally Closed)
NO Relay Alarm Outputs (Normally Open)
C Relay Common
ARI Alarm Reset In
RS485 connector pin outs
Master unit Slave unit
– J To J TX-
+ J To J TX+
– J To J RX-
+ J To J RX+
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)