User's Manual

12
4 Installation and Wiring
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The alarm input port is connected as dry contact.
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Do not install devices in harsh environment with condensation, high temperature, dust,
corrosive substance and direct sunlight.
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In case of abnormality after powering on the device, cut off the power supply at once, and
unplug the network cable. Power on after troubleshooting.
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Installation should be done by professional teams. Do not dismantle or repair the device by
yourself in case of device failure. Contact after-sales service if you need any help.
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The recommended installation height of the device is 1.6 m from the ground.
Figure 4-1 Port description