Video Door Phone
·
User Manual
3
3
Terminals and Wirings
3.1
Terminals and Interfaces
3.1.1
Terminals of Indoor Station
On the rear panel of the indoor station, there are 4 groups of four-wire terminals for
connecting indoor station or door station, 1 terminal for accessing the camera, and 1
terminal for power supply.
Figure 3-1
Terminals of Indoor Station
Table 3-1
Descriptions of Terminals (Indoor Station)
Name
No.
Interface
Description
Camera
1
CAM
Analog Camera Access
Power Supply
2
12 VDC
12 VDC Power Supply Input
Four-Wire
Interface
A1/B1/C1/D1
B1+/B2+
Power Supply for Door Station
A2/B2/C2/D2
V1/V2
Video Input
A3/B3/C3/D3
A1/A2
Audio Input/Output
A4/B4/C4/D4
G
Grounding Signal
3.1.2
Terminals of Door Station
On the rear panel of the door station, there are 2 wire groups. 1 wire group is used to
connect the indoor station, and another wire group is used to connect the lock.
