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2.2 Installation of the PBX
Installation Manual 45
Mounting on Concrete or Mortar Wall
CAUTION
Drive mounting screws into the wall. Be careful to avoid touching any metal laths, wire laths or metal
plates in the wall.
1. Place the reference for wall mounting on the wall to mark the three screw positions.
2. Install three anchor plugs (user-supplied) in the wall.
3. Install the screws (included) in the wall.
4. Hook the main unit on the screw heads.
250 mm
(9-13/16 in)
130 mm (5-1/8 in)
Hammer
29 mm
(1-1/8 in)
Anchor Plug
6.4 mm
(1/4 in)
Drive the screw
to this position.