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COM 1 / COM 2 / COM 3 / COM 4
1 2 3 4 5
1 2 3 4 5
6 7 8 9
6 7 8 9
RS232
RS422
Full Duplex
COM 4 (Serial) Port
This DB-9 port can be used as an RS232/422/485 COM port or as an 8-bit Digital Input/
Output via jumper settings. Refer to "COM 4/DIO Select" in the previous chapter for the
jumper selection.
8-bit DIO
Alternatively, this DB-9 port can be used as digital inputs or outputs. The 8-bit Digital
I/O connector provides monitoring and control function to external devices connected to
the connector.
COM 4 Function
Pins
RS232
RS422
1
DCD
RX+
2
RXD
RX-
TXD
TX+
3
DTR
TX-
4
GND
GND
5
DSR
NC
6
RTS
NC
7
CTS
NC
8
RI
NC
9
Chapter 5 Ports and Connectors
Chapter 5
1 2 3 4 5
6 7 8 9
RS485
DIO Function
RS485
DATA+
DIO_0
DATA-
DIO_1
NC
DIO_2
NC
DIO_3
GND
GND
NC
DIO_4
NC
DIO_5
NC
DIO_6
NC
DIO_7
Graphics Interfaces
The system is equipped with an external HDMI port.
JP22
1
1
3
(JP20)
1
(JP18)
1
(JP17)
10
12
1
3
(JP21)
10
12
SATA 2.0
SATA 1
1
4
1
SATA
Power
Mini PCIe with LPC
iTE
IT8528E
USB 0
USB 3.0
2
1
(JP23)
HDMI
LVDS LCD
HDMI
Panel
40
39
Power
The HDMI port, which carries both digital audio and video signals, is used to connect a LCD
monitor or digital TV.
Driver Installation
Install the graphics drivers. Refer to Chapter 8 for more information.
22
1
Battery
(JP22, JP21)
COM 4/DIO Select
Chassis
Digital I/O 4-7 Output State
(JP18)
Intrusion
Digital I/O 0-3 Output State
(JP20)
Digital I/O Power Select
(JP17)
1
Buzzer
1
SPI
Clear CMOS
Flash
Data (JP24)
BIOS
eMMC
(optional)
Mic-in
4
1
mSATA
Line-out
USB 2.0
MicroSD
USB 2
USB 2
(optional)
USB 6
USB 2
USB 5-7 Power
COM 6
System Fan
Select (JP7)
USB 0
2
10
USB 7
USB 2
Power
USB 2 Power
1
Select
Select (JP6)
(JP5)
1
9
1
1
1
1
(JP25)
10
2
10
5
1
1
(JP2)
USB 5
LAN 2
(JP3)
1
1
9
1
9
6
2
1
(JP4)
COM 5
3
USB 2.0
Auto Power-on Select
(JP25)
LAN 1
LCD/Inverter Power Select
(JP2)
Backlight Enable Power Select
(JP3)
Dimming Mode Select
(JP4)
Panel Power Select
(JP23)
DC-in
Mini PCIe with SIM
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