3
Pin Definition of Alarm I/O & RS-485, and Audio
Pin Definition of Alarm I/O & RS-485 and Audio In (4CH / 8CH models)
Pin Definition
Pin Definition
Pin Definition
1
GND
10
Alarm In 1
19
Audio In 2
2
GND
11
RS485 D+
20
Alarm In 8 (8CH only)
3
Audio In 7 (8CH only)
12
Alarm Out COM
21
Alarm In 6 (8CH only)
4
Audio In 5 (8CH only)
13
Alarm Out Open
22
Alarm In 4
5
Audio In 3
14
GND
23
Alarm In 2
6
Audio In 1
15
Main Audio Out
24
RS485 D
−
7
Alarm In 7 (8CH only)
16
Audio In 8 (8CH only)
25
Alarm Out Close
8
Alarm In 5 (8CH only)
17
Audio In 6 (8CH only)
9
Alarm In 3
18
Audio In 4
Pin Definition of Alarm I/O & RS-485 (16CH models)
Pin Definition
Pin Definition
Pin Definition
Pin Definition
1
Alarm Out Open
8
Alarm In 3
15
Reserved
22
Alarm In 13
2
Alarm Out COM
9
Alarm In 4
16
Reserved
23
Alarm In 14
3
RS485 D+
10
Alarm In 5
17
Reserved
24
Alarm In 15
4
RS485 D
−
11
Alarm In 6
18
Alarm In 9
25
Alarm In 16
5
Reserved
12
Alarm In 7
19
Alarm In 10
6
Alarm In 1
13
Alarm In 8
20
Alarm In 11
7
Alarm In 2
14
Alarm Out Close
21
Alarm In 12
Pin Definition of Audio (16CH models)
Pin Definition
Pin Definition
Pin Definition
Pin Definition
1
Audio In 1
8
Audio In 15
15
Audio In 4
22
GND
2
Audio In 3
9
GND
16
Audio In 6
23
GND
3
Audio In 5
10
GND
17
Audio In 8
24
GND
4
Audio In 7
11
GND
18
Audio In 10
25
Reserved
5
Audio In 9
12
Reserved
19
Audio In 12
6
Audio In 11
13
Main Audio Out
20
Audio In 14
7
Audio In 13
14
Audio In 2
21
Audio In 16
