HIKVISION DS-KB2421-IM Manual del usuario - Página 10
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Table 3-2 Descriptions of Terminals and Interfaces (Door Station)
Name
No.
E1
Wire
E2
Group
(Four-Wir
E3
e)
E4
F1
Wire
Group
F2
(Lock)
F3
3.2 Wiring Description
Purpose:
The four-wire indoor station and the four-wire door station are 2 basic but major
components in a four-wire video intercom system. As for extended components, the
analog camera and the electric bolt can be connected to the indoor station and the door
station respectively in a four-wire video intercom system.
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.
Video Door Phone·User Manual
Figure 3-2 Wire of Door Station
Color
Interface
Red
5V
Blue
CVBS
Yellow
AUIDO
Black
GND
Red
NO
Blue
COM
Yellow
NC
Description
Power Supply (from Indoor Station)
Video Output
Audio Input/Output
Grounding Signal
Door Lock Relay Output/Normally Open
Door Lock Relay Output/Common
Door Lock Relay Output/Normally Closed
4