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2.2 Connecting Peripherals
2.2.1 Power Input Connector
The DC power source input of the HMI is a 2 pin terminal block
connector that supports 12V DC power input.
2.2.2 Serial Port Connector
The HMI has one serial port connector to connect your device to
external devices such as mouse, modem or printer.
You can configure serial port
settings by software.
Voltage
Minimum Voltage 11.4V
Maximum Voltage 12.6V
Maximum Current 4.2A
Pin № RS-232
(Default)
RS-422
RS-485
1
DCD
TxD-
D-
2
RXD
TxD+
D+
3
TXD
RxD+
NC
4
DTR
RxD-
NC
5
GND
GND
GND
6
DSR
NC
NC
7
RTS
NC
NC
8
CTS
NC
NC
9
RI
NC
NC
