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Network Speed Dome User Manual
Grounding for Metal Pole Installation:
When the speed dome is installed in environment where is conductive to the earth, e.g., metal pole,
then the grounding of dome can be achieved by the properly grounded metal pole, meanwhile, the
control center must be grounded locally as well. Refer to the following figure.
Power
Power supply board
Metal pole/surface
1.5m
underground
Note:
If the fiber optics, lightening protector or other device are applied during the transmission of
speed dome, such devices as well as the video cables routing through must be proper grounded.
Power
Power supply board
Video cable
Control line
Figure A.3.4 Grounding in Metal Pole Installation
132
Display
Operating Center
GND
Keyboard
GND
DVR
UPS
GND
GND
1.5m underground
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