Appendix D - Connector Pin Outs; I/O Connector Pin Outs; Rs485 Connector Pin Outs - ADT A-SDR400LTE-80 User Manual

User's Manual
Appendix D — Connector Pin Outs

I/O Connector Pin Outs

AI (1 to 4)
GND
ARI
NC
NO

RS485 Connector Pin Outs

76
Input
Output
Alarm Inputs 1 to 4
Chassis Ground
Alarm Reset In
Normally Closed
C Common
Normally Open
Master Unit Slave Unit
RX-/TX- → To → TX-/RX-
RX+/TX+ → To → TX+/RX+