
3 Terminal and Wiring Description
3.1 Terminal Description
Two-Wire Main Unit Terminal
Figure 3-1 Two-Wire Main Unit Terminal
Table 3-1 Descriptions of Terminals and Interfaces
No.
Interface
Description
A1
NC1
Door Lock Relay Output (NC)
A2
NO1
Door Lock Relay Output (NO)
A3
COM
Common Interface
A4
NC2
Door Lock Relay Output (NC)
A5
NO2
Door Lock Relay Output (NO)
A6
GND
Grounding
A7
12 VDC
Reserved
A8
GND
Grounding
B1
AIN2
For the access of Door Magnetic 2
B2
AIN1
For the access of Door Magnetic 1
Video Intercom Two-Wire Bundle User Manual
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