E Series IR Speed Dome Installation Manual
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Notes:
Because the signal transmission media of fiber optical speed dome and network speed dome
are isolated from the control center, they must be grounded locally to protect dome against
damages.
If the dome is installed in strong thunderstorm area, it must be grounded locally to release
lightening or suchlike high energy to protect dome against damages. Refer to the following
figure.
Power
Power
Power supply board Power supply board
Video cable
Control line
Cement pole/wall
Display
Operating Center
Keyboard
DVR
UPS
GND
GND
GND
GND
1.5m underground
1.5m
underground
Figure A-3 Lightening-protection Grounding in Cement Pole/Wall Installation