Panasonic VL-V900 Installation Manual page 11

Role/ Features / Installation
2
2-2. Lobby Station : VL-V900 (Installing the Lobby Station)
Step 1
Make a hole in the wall for the flush mount box.
( Note the drilling dimensions of the wall surface of the
flush mount box.)
Step 2
Open the knockout holes of the flush mount box,
and then pass all necessary cables and wires
(DC cable, wires for control box, access controller,
electric lock, etc.) through the knockout holes.
353
mm
159 mm
Mount the box in the wall.
Step 3
80 mm
10