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How to use the terminals of the ALARM connector
These terminals are used to connect the alarm devices, such as sensors, door switches, etc.
The connector to be used should be compatible with the pin configuration.
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Pin configuration
The pin array is different from other network disk recorders. Make sure
that the connection is correct referring to the following.
The pin configurations of these terminals are as shown below.
Pin No.
Signal
Operation
Remarks
1
Alarm input 17
Event action will be performed according to
the settings.
Non-voltage make contact, +5 V pull-up 150 k
Ω
2
Alarm input 18
3
Alarm input 19
4
Alarm input 20
5
Alarm input 21
6
Alarm input 22
7
Alarm input 23
8
Alarm input 24
9
Alarm input 1
10
Alarm input 2
11
Alarm input 3
12
Alarm input 4
13
Signal ground
14
Signal ground
15
Alarm input 25
Event action will be performed according to
the settings.
Non-voltage make contact, +5 V pull-up 150 k
Ω
16
Alarm input 26
17
Alarm input 27
18
Alarm input 28
19
Alarm input 29
20
Alarm input 30
21
Alarm input 31
22
Alarm input 32
23
Alarm input 5
24
Alarm input 6
25
Alarm input 7
ALARM
1
13
25
14
