2
Wiring diagram of video phone system
Requirements on cabling of the system
Video door phone system uses 2 core cables. Maximal distances between camera unit and monitor with
regards to the cross sectional area (CRA) of the wires is show in the following table.
CRA of the wire [mm]
0,5
0,65
0,8
1
Distance [m]
30–––
50
70
115
Attention please!
It is strictly recommended that electric device is powered off and unplugged from the mains power
during the maintenance!
Do not use the equipment where environment with vibrations. Protect the equipment from falls.
Lock
2
2
3
2
1
2
3