AL+
485A
IWD1
IWD0
485B
NC
COM
NO
GND
7
RS485 Connection
Wiegand Reader Connection
Wiegand card reader connects to the top 4 pins of the wiegand terminal and the last
two pins are used by the Access Controller, as shown in the following figure. It sends the
credentials to the device via wiegand communication.
The RS485 lets user connect to multiple readers to the device. RS485 can be connected
to the terminal, as shown in the figure below.
GND
485+
485-
Wiegand Reader
+12V
IWD1
IWD0
GND
+12V
GND
WD0
WD1
RS485 Reader
Access Controller
WD0
WD1
