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
Power supply board
Power supply board
Video cable
Control line
Metal pole/surface
Display
Operating Center
Keyboard
DVR
UPS
GND
GND
GND
GND
1.5m underground
1.5m
underground
Figure A.3.4 Grounding in Metal Pole Installation
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.
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