How to Connect an Alarm Input Device to a
Uniview NVR?
Step 1 Cable connection
The positive pole/Signal wire of the alarm input device is connected to the ALM IN port on the NVR. The negative pole/Ground wire of the alarm input device is connected to the G port on the NVR
Step 2 :
Set up input parameters of the alarm under Setup> Alarm>Alarm Input on the NVR’s web interface.
Alarm Input No.: the alarm input port you are trying to configure.
A<-1 refers to the NVR’s Alarm Input Port 1,
A<-2 refers to the NVR’s Alarm Input Port 2, etc.
D1<-1 refers to the D1 camera’s Alarm Input Port 1,
D3<-2 refers to the D3 camera’s Alarm Input Port 2,
Alarm Input Name: Set a name for it as you wish.
Alarm Type：
- N.O. : Normally Open.
- N.C. : Normally Closed.
This needs to be set according to the attributes of the external alarm device.
Alarm Input: Switch to turn this alarm input on or off
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