Housing Installation
From Wiki
Installation process
Housing Installation
A - Place the drilling template on the wall and mark the three fixing points.
B - Drill holes where the fixing points are marked.
C - Insert the wall plugs into the fixing holes.
1. Fix the device on the wall by inserting the self-tapping screws (start with the top screw and make sure the housing is horizontal).
2. Make sure the cable gland is properly mounted on the cables (AC input cable and Ethernet cable).