You install the AD v1 protective frame with its base on a wall to use AD v1 for accessing the automation servers. You attach the base on the wall and to the electrical box using the dedicated holes and hole patterns in the base.
The frame and its base do not provide protection against theft.
Hold the base against the wall and adjust its position so that the hole pattern around the center hole of the base fits the hole pattern of the electrical box.
Mark the place where the four drill holes should be on the wall.
Use the holes in the corners of the base to mark the place where the drill holes should be.
Drill the four holes in the wall for attachment of the base on the wall.
Fasten the base to the electrical box.
Fasten the base on the wall using four screws.
You can now continue by installing the tablet in the frame.