5
1-4 Connector Pin Definition
(1) Connector Function
Icon
Name
Function
DC Power Jack
For user to connect compatible terminal power block
to provide power supply for the system
Power Bottom
Press to turn on/off the system.
COM Port
Mainly for user to connect external MODEM or other
devices
that
supports
Serial Communications Interface.
USB 3.0 Port
To connect USB keyboard, mouse or other devices
compatible with USB specification. USB 3.0 ports
supports up to 5Gbps data transfer rate.
HDMI Port
To connect display device that support HDMI
specification.
RJ-45 LAN Port
This connector is standard RJ-45 LAN jack for
Network connection.
(2) I/O Connectors Pin Definition
COM Port Connector
COM1/COM2
: RS232/422/485 Serial Port;
*COM3/COM4
: RS232 Serial Port.
The pin assignment for RS-232/ 422/ 485 is listed as follows:
1 2 3 4 5
6 7 8 9
Pin NO. RS232
*RS422
(optional)
*RS485
(optional)
1
DCD
TX-
DATA-
2
RXD
TX+
DATA+
3
TXD
RX+
NC
4
DTR
RX-
NC
5
GND
GND
GND
6
DSR
NC
NC
7
RTS
NC
NC
8
CTS
NC
NC
9
RI
NC
NC
COM1 & COM2 ports can function as RS232/422/485 port. In normal settings
COM1/COM2 functions as RS232 port. With compatible COM cable they can function
