7
9
Barrier Connection
WD1-OUT
WD0-OUT
GND
GND
AUX
SEN
BUT
NO
COM
NC
AL-
AL+
GND
K1
8
Wiegand Reader Connection
Access Controller
Wiegand Reader
IWD1
IWD0
RS232_RXD1
RS232_TXD1
GND
485B
485A
12V OUT
GND
GND
12V IN
WD1-OUT
WD0-OUT
GND
GND
AUX
SEN
BUT
NO
COM
NC
AL-
AL+
GND
GND
+
12V
WD1
WD0