Honeywell HRSD16 - Manual (Page 145)

Connector Pinouts
Document 800-00918 Rev F 145
02/08
F
Connector Pinouts
Figure F-1 I/O Connector Pinouts
Figure F-2 RS485 Connector Pinouts
AI (1 to 16) Alarm Inputs 1 to 16
GND Chassis Ground (5 connectors)
NC Relay Alarm Outputs (Normally Closed)
C Relay Common
NO Relay Alarm Outputs (Normally Open)
ARI Alarm Reset In
Master Unit Slave Unit
RX-/TX- ´ To ´ TX-/RX-
RX+/TX+ ´ To ´ TX+/RX+