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User Manual

ManualsBrandsAmcrest ManualsElectronics4K UltraHD 8 Channel AI DVR Security Camera System Recorder, 8MP Security DVR for Analog Security Cameras & Amcrest IP Cameras, AI Smart DVR, HDD & Cameras NOT Included (AMDV5108-AI)
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9
Alarm input port
Connect the positive end (+) of the alarm input device to the alarm input port (ALARM IN 1~2) of the DVR.
Connect the negative end (-) of the alarm input device to the ground end ( ) of the DVR.
Figure 2-7
Note When connecting the ground port of the alarm device to the DVR, you can use any of the GND
ports. When there is peripheral power supplying the alarm device, ensure it is grounded on the DVR.
Alarm input and output port
There is peripheral power supplying to the external alarm device.
An overload may result in DVR damage. Please refer to the following relay specifications for detailed
information.
Alarm relay specifications
Contact Material
Silver
Rating
(Resistance Load)
Rated switch capacity
30VDC 2A, 125VAC 1A
Maximum switch power
125VA 160W
Maximum switch voltage
250VAC, 220VDC
Maximum switch current
1A
Insulation
Between contacts with same polarity
1000VAC 1minute
Between contacts with different polarity
1000VAC 1minute
Between contacts and winding
1000VAC 1minute
Surge voltage
Between contacts with same polarity
1500V (10×160us)
Length of open time
3ms max
Length of close time
3ms max
Longevity
Mechanical
50×106 MIN (3Hz)
Electrical
200×103 MIN (0.5Hz)
Temperature
-40ºC ~+70ºC