10
2-2
Connectors and Headers
2-2-1 Rear I/O Back Panel Connectors
*Refer to Page-2.
Icon
Name
Function
Serial Port
Mainly for user to connect external MODEM or
other devices that supports
Serial Communications Interface.
*Note: COM1 supports RS232/422/485 function.
HDMI Port
To connect display device that support HDMI
specification.
(Max. resolution Support: 3840*2160@24Hz)
DVI-D Port
To connect display device that support DVI
specification.
(Max. resolution Support:1920*1200@60Hz)
VGA Port
VGA connector is the 15-pin D-subminiature
female connector; it is for the display devices,
such as the CRT monitor, LCD monitor and so on.
(Max. resolution Support:1920*1200@60Hz)
USB 2.0 Port
To connect USB keyboard, mouse or other
devices compatible with USB 2.0 specification.
USB 3.0 Port
To connect USB keyboard, mouse or other
devices compatible with USB 3.0 specification.
USB 3.0 ports supports up to 5Gbps data transfer
rate.
RJ-45 LAN Port
This connector is standard RJ-45 LAN jack for
Network connection.
Audio Connectors
BLUE:
Line-in
Connector
GREEN:
Line-out Connector
PINK :
MIC Connector
COM1 (9-pin Block): RS232/422/485 Port
COM1 port can function as RS232/422/485 port. In normal settings COM1 functions
as RS232 port. With compatible COM cable COM1 can function as RS422 or RS 485
port. User also needs to go to BIOS to set ‘Transmission Mode Select’ for COM1 at
first, before using specialized cable to connect different pins of this port.
For RS422 Mode
R
S
4
2
2
T
X
-(B
)
R
S
4
2
2
T
X
+
(A
)
R
S
4
2
2
R
X
+
(A
)
R
S
4
2
2
R
X
-(B
)
(B
)
For RS485 Mode
R
S
4
8
5
D
-(B
)
R
S
4
8
5
D
+
(A
)
