eLine Technology ANPTZ-70-10DN - Manual (Page 9)

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Connecting the Camera
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2.3 RS485 CONNECTION
For PTZ control, connect this line to keyboard controller or DVR. To
control multiple cameras at the same time, RS-485 communication lines
are connected in parallel as shown below.
2.4 ALARM INPUT CONNECTION
Before connecting sensors, check driving voltage and output signal type
of the sensor. Since output signal types of the sensors are divided into
Open Collector and Voltage Output types in general, the cabling must be
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Connecting the Camera
done properly after considering these types.
If you want to use Alarm Input, the types of sensor must be selected in
the OSD menu (see “Alarm Input Setup” on page 24). The sensor types
are Normal Open and Normal Close. If sensor type is not selected
properly, the alarm can be activated reversely.
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