20
Chapter 2
HARDWARE INSTALLATION
User's Manual |
CS551
X
Internal I/O Connectors
Connect a 4-pin DC power cord to the power connector for DC supply. The coaxial type is
avaible upon request.
DC In coaxial (optional)
4-pin vertical
Important:
Using a voltage higher than the recommended range may result in failure in start-
ing and booting the system or causing irreversible damage to the system board.
A power adaptor/converter is necessary when the power source on site does not
comply with the power specifications of the board.
12V DC-In
Mini PCIe
M.2
M Key
Front
Audio
1
5
6
1
2
2
9
10
JP3
5
6
1
2
JP5
JP1
Buzzer
1
1
1
1
1
1
1
5
2
SATA 3.0
LVDS
Backlight
Power
SATA
Power
LVDS
Heater and Switch
LED1
LAN1
LAN2
DP++1/2
USB 3/4 (left), 1/2 (right)
(USB 3.1
Note
)
COM1
DIO
CPU Fan
USB 5/6 (USB 2.0)
1
2
2
1
1
1
1
2
9
10
10
9
2
1
10
9
39
40
SPI Flash BIOS
DDR4_1 SODIMM
SMBus
Battery
JP2
1
Mini PCIe
M.2
M Key
Front
Audio
1
5
6
1
2
2
9
10
JP3
5
6
1
2
JP5
JP1
Buzzer
1
1
1
1
1
1
1
5
2
SATA 3.0
LVDS
Backlight
Power
SATA
Power
LVDS
Heater and Switch
LED1
LAN1
LAN2
DP++1/2
USB 3/4 (left), 1/2 (right)
(USB 3.1
Note
)
COM1
DIO
CPU Fan
USB 5/6 (USB 2.0)
1
2
2
1
1
1
1
2
9
10
10
9
2
1
10
9
39
40
SPI Flash BIOS
DDR4_1 SODIMM
SMBus
Battery
JP2
1
X
Internal I/O Connectors
The serial ports are asynchronous communication ports with 16C550A-compatible UARTs that
can be used with modems, serial printers, remote display terminals, and other serial devices.
COM 1 supports three serial modes, i.e. RS232, RS422, and RS485.
Pin
RS232
RS422
RS485
1
DCD-
TXD-
Data-
2
RD
TXD+
Data+
3
TD
RXD+
N.C.
4
DTR-
RXD-
N.C.
5
GND
GND
GND
6
DSR-
N.C.
N.C.
7
RTS-
N.C.
N.C.
8
CTS-
N.C.
N.C.
9
RI-
N.C.
N.C.
COM Port Pin Assignment
COM (Serial) Port
