CBC PT118XT-HD User Manual page 16

 Sensor Input
Before connecting sensors, check the sensor driver voltage and output signal type. Since sensor output signal
types are divided into Open Collector and Voltage Output types in general, the cabling must be installed
properly depending on the signal type.
Signal
IN COM (GND)
IN1, IN2, IN3
If you want to use Alarm Input, the type of sensor must be selected. The sensor types are Normal Open and
Normal Close. If the sensor type is not selected properly, alarm activation will occur opposite of what is
desired
 Normal Open
 Normal Close
Megapixel Speed Dome Camera Instruction Manual
Connect SENSOR COMs to this port(GND) as shown in the circuit above.
Connect output of sensors for each port as shown in the circuit above.
Output Voltage is high state when sensor is activated
Output Voltage is high state when sensor is not activated
INSTALLATION
Description
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