HIKVISION DS-KB2411-IM Manual do utilizador - Página 9
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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)
TD ≤ 10 m
10 m < TD ≤ 30 m
30 m < TD ≤ 50 m
50 m < TD ≤ 100 m
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 C 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.
Video Door Phone·User Manual
RVV4 Cable Specification
RVV4 * 0.2 mm ^2
RVV4 * 0.5 mm ^2
RVV4 * 0.75 mm ^2
RVV4 * 1.5 mm ^2
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