VIVOTEK
Hardware Installation
Opening Dome Cover
First, use the supplied screwdriver to loosen the four screws and detach the dome cover from the camera base. Then, follow the steps below to install the camera to either a ceiling or a wall.
Tamper-proof Screw
Remove the stoppers and route cables through the openings.
Rubber Stopper on the hole 
for Power & IO Cables
Rubber Seal Plug on the hole for RJ45 Ethernet Cable
User's Manual - 9
