installation & connection
26_
installation & connection
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Be careful not to reverse the polarity when you connect the power cable.
-
Please connect the power adapter when the installation is completed.
-
As shown in the table below, you may encounter a voltage-sag depending on the wire length. If
you use an excessively long wire for camera connection, the camera may not work properly.
electrical resistance of copper wire at [20°c (68°f)]
Copper Wire Gauge (AWG)
#24(0.22mm
2
) #22(0.33mm
2
) #20(0.52mm
2
) #18(0.83mm
2
)
Resistance (Ω/m)
0.078
0.050
0.030
0.018
Drop Voltage (V/m)
0.028
0.018
0.011
0.006
Recommended Distance (m)
Less than 20
Less than 30
Less than 30
Less than 30
alarm input wiring Diagram
ALARM IN
GND
1
2
(5ma sink)