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37X Speed Dome Camera 16/50
Power Description
z Carefully check the voltage and current capacity of the rated power. The rated power is
indicated in the back of main unit.
24VAC is used on the HTSD37X (AC 17V~29V, 1.5A)
12VDC is used on the SIPSD37X (DC11V~18V, 3.0A)
z For the DC input models, be careful with the polarity of DC power. The system should be
permanentally damaged by wrong DC input.
z In case that the length of the power wire is very long, there may be voltage drop and the
syatem may not work properly. Make the length of the power wire as short as possible.
RS-485 Communication (HTSD37X ONLY)
z For PTZ control, connect the cable(s) to your keyboard or DVR. To connect multiple
cameras to a single controller, RS-485 communication should be connected in parallel
as shown below. If you are connecting a single camera to a controller, terminate the
camera. When connecting more than one camera to a single controller, terminate the
last camera on the communication line. The last camera means the camera farthest in
cable length from the controller. Note that the total length of the communication cable
between a controller and the camera(s) on the same communication line must be less
than 1.2Km.
INSTALLATION 2
CONTROLLER / DVR
RS-485
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#1
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#2
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#n
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