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English _17
● INSTALLATION & CONNECTION
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)