HIKVISION DS-2DF5220S-DE4/Ww User Manual page 127

User Manual of Network Speed Dome
the following figure.
Power
Power supply board
Cement pole/wall
© Hikvision
Power
Video cable
Control line
Figure A.3.2 Grounding in Cement Pole/Wall Installation
Power supply board
126
Display
Operating center
GND
Keyboard
DVR
GND
UPS
GND
GND
1.5m underground