5
1-4 Connector Pin Definition
(1) Connector Function
Icon
Name
Function
Power Button
Press to turn on/off the system.
USB 2.0 Port
To connect USB keyboard, mouse or other devices
compatible with USB specification.
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.
COM Port
Mainly for user to connect external MODEM or other
devices that supports Serial Communications Interface.
RJ-45 LAN Port
This connector is standard RJ-45 LAN jack for Network
connection.
DC-in Power
Connector
For user to connect compatible terminal power block to
provide power supply for the system.
(2) I/O Connectors Pin Definition
COM Port Connector
The pin assignment for RS-232/ 422/ 485 is listed as follows:
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
For RS232/422/485 COM port in normal settings can functions as RS232 port. With
compatible COM cable they can function as RS422 or RS 485 port as well. User also
needs to go to BIOS to set ‘Transmission Mode Select’ for COM1/COM2
(refer to
Page 21)
at first, before using specialized cable to connect different pins of this port.
