10
User’s Manual – Orion DX 822IR
© 2016 Ernitec. All rights reserved
www.ernitec.com
V 01101116
2.3 A
UDIO
/AI
ARM
I/O
&
RS-485
C
ONNECTION
Please refer to the diagram and pin definition tables below for audio/alarm
I/O & RS-485 connection.
Pin
Definition
Pin
Definition
Pin
Definition
Pin
Definition
1
Audio In
5
Alarm In 1
9
Alarm In 3
13
RS-485 D-
2
Audio Out
6
Alarm Out A1
10
Alarm Out
B1
14
RS-485 D+
3
GND (Alarm
I/O
& RS-485)
7
Alarm In 2
11
Alarm In 4
Def
Definition
4
GND
(Audio I/O)
8
Alarm Out A2
12
Alarm Out
B2
Dn
Definition