User manual
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Speed Dome Camera Instruction Manual 
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 Alarm Input 
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z  Sensor Input 
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Before connecting sensors, check driving voltages and output signal types of the sensors. 
Since output signal types of the sensors are divided into Open Collector type and 
Voltage Output type in general, the wiring must be done properly after considering 
those types. 
Signal 
Description 
IN COM+ 
The electric power source to drive input circuit. Connect the (+) wire of electric 
power source to drive the Sensors to this port as shown in the above circuit. 
IN1 -, IN2 -, IN3 - 
Connect the outputs of sensors to each port as shown in the above 
circuit. 
If you want to use Alarm Input, the types of sensors must be selected in OSD menu. The 
sensor types are divided into Normal Open and Normal Close. If wrong sensor types are 
selected, alarms should be activated reversely to sensor inputs. 
~ Normal Open 
Output Voltage is high state when sensor is activated 
~ Normal Close 
Output Voltage is high state when sensor is not activated 
INSTALLATION
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