Loading ...
Loading ...
Loading ...
Video Door Phone·User Manual
4
3.2 Wiring Description
Purpose:
A four-wire video intercom system is mainly composed of the indoor station and the
door station. You can connect the analog camera to the indoor station, and connect the
electric bolt to the door station.
Up to 2 door stations are supported simultaneously in the intercom system.
Up to 3 indoor stations are supported simultaneously in the intercom system.
Here take 3 wirings as example.
According to different transmission distances among door stations and indoor stations,
different RVV4 cable specifications are demanded.
Transmission Distance (TD)
RVV4 Cable Specification
TD ≤ 10 m
RVV4 * 0.2 mm ^2
10 m < TD ≤ 30 m
RVV4 * 0.5 mm ^2
30 m < TD ≤ 50 m
RVV4 * 0.75 mm ^2
50 m < TD ≤ 100 m
RVV4 * 1.5 mm ^2
On the rear panel of the indoor
station, four-wire interface A and
four-wire interface C compose a
cascading group; and four-wire
interface B and four-wire
interface D compose a cascading
group.
The communication between A
and B/D cannot be realized.
The communication between C
and B/D cannot be realized.
Do not connect the power wire of the four-core cable to the V pin (video wire) or A pin
(audio wire) of the four-wire interface.
3.2.1 Wiring 1 (1 Door Station and 1 Indoor Station)
Loading ...
Loading ...
Loading ...