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Connection
Connecting Audio/Alarm I/O & RS485
Connecting Audio/Alarm I/O & RS485
Please refer to the diagram and pin definition tables below for using the audio/alarm I/O & RS485
connection.
Pin Definition
1 Audio Out
2 GND (Audio I/O)
3 Alarm Out A1
4 Alarm Out A2
5 Alarm Out B1
6 Alarm Out B2
7 RS485 D+ (optional)
8 RS485 D- (optional)
9 Alarm In 4
10 Alarm In 3
11 Alarm In 2
12 Alarm In 1
13 GND (Alarm I/O and RS485)
14 Audio In
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