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COM1 Function
Pins
RS422
RS232
Full Duplex
1
DCD
TXD-
2
RXD
TXD+
TXD
RXD+
3
4
DTR
RXD-
GND
GND
5
DSR
N.C.
6
RTS
N.C.
7
CTS
N.C.
8
RI
N.C.
9
GND
GND
10
Chapter 5 Ports and Connectors
Chapter 5
DIO
Function
RS485
DATA-
DIO0
DATA+
DIO1
N.C.
DIO2
N.C.
DIO3
GND
GND
N.C.
DIO6
N.C.
DIO7
N.C.
DIO4
N.C.
DIO5
GND
Internal I/O Connectors
Front Panel Connector (Internal)
The front panel connector is located on the back side of the system board.
Power/Status LED
When the system's power is on, this LED will be lit. When the system is in the S1 (POS - Pow-
er On Suspend) state, it will blink every second. When the system is in the S3 (STR - Suspend
To RAM) state, it will blink every 4 seconds.
Reset Button
This button allows you to reboot without having to power off the system.
Power Button
This button is used to power on or off the system.
Pin Pin Name
1
NC
Power/Status
3
SUS_LED
LED
5
V_LED
18
2
Front
Panel
1
5
6
2
Pin
Pin Name
6
Power Button
Power
Button
4
GND
4
GND
Reset
Button
2
Reset Button
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