14
Chapter 2
HARDWARE INSTALLATION
User's Manual |
M8MP553
Graphics Display
HDMI
The HDMI port which carries both digital audio and video signals is used to connect a LCD
monitor or digital TV.
X
External I/O Ports
COM 3 (RS485)
X
External I/O Ports
COM 3 (RS485)
The COM 3 port provides 2-wire RS485 communication with support for auto flow control.
Pin
Assignment
Pin
Assignment
1
DATA-_RS485
2
DATA+_RS485
USB3_1/2
M.2
E
Key
1
2
5
6
Boot-CFG
For USB 2.0
Download Mode
2
10
USB2_3/4
LCD LVDS
1
2
5
6
I2C/
Touch (3.3V)
COM1/COM4
1
2
11
12
1
2
5
6
1
1
BATTERY
1
2
11
12
1
2
9
10
LED Backlight
SIM
1
2
5
6
Front Panel
Audio
DIO (5V)
FAN1
LAN 2
HDMI
LAN 1
COM3
1
2
5
6
USB2_1/2
JTAG
M.2
B
Key
DC-IN
1
2
5
6
SPI (3.3V)
1
2
39
40
1
2
39
40
DC
USB 2.0
USB 3.0
COM 3
HDMI
LAN1
LAN2
1 2
USB3_1/2
M.2
E
Key
1
2
5
6
Boot-CFG
For USB 2.0
Download Mode
2
10
USB2_3/4
LCD LVDS
1
2
5
6
I2C/
Touch (3.3V)
COM1/COM4
1
2
11
12
1
2
5
6
1
1
BATTERY
1
2
11
12
1
2
9
10
LED Backlight
SIM
1
2
5
6
Front Panel
Audio
DIO (5V)
FAN1
LAN 2
HDMI
LAN 1
COM3
1
2
5
6
USB2_1/2
JTAG
M.2
B
Key
DC-IN
1
2
5
6
SPI (3.3V)
1
2
39
40
1
2
39
40
DC
USB 2.0
USB 3.0
COM 3
HDMI
LAN1
LAN2
1 2
