HIKVISION DS-K3B220LX Series, Manual, Page: 26 / 40

Figure 4-7 Remaining Closed
4.3.5 Exit Button Wiring
The main and sub lane control board each has 1 button interface, which can be connected to exit
button or face recognition device.
Figure 4-8 Exit Button Wiring (Entrance)
Figure 4-9 Exit Button Wiring (Exit)
Note
●
The face recognition devices are powered via 12 VDC power output interface of the main and
sub lane control board.
●
Barrier open at the entrance: connect to BTN1 and GND.
●
Barrier open at the exit: connect to BTN2 and GND.
DS-K3B220LX Series Swing Barrier
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