4
RS485 and RS232 Connection
The RS485 and the RS232 lets user connect to multiple readers to the device. The RS232
and RS485 can be connected to the terminal, as shown in the figure below.
Printer
RS232
485A
RS485
Reader
485B
GND
TXD
RXD
GND
Door Sensor, Exit Button & Auxiliary Connection
Door Sensor
Exit
Button
Smoke
Detector
-
- -
SEN
GND
BUT
AUX
GND
NO
COM
Detector
Power
Alarm Connection
-
- -
Alarm
Power
ALARM+
ALARM-
