Connectors; Power Button; Com3/Com4/Com5/Com6 Rs232 - Advantech EPC-R4680 User Manual

2.3

Connectors

2.3.1

Power Button

EPC-R4680 supports ATX mode and there is a power button for system power on/off.
Please press over 1 second to power on/off system.
2.3.2

COM3/COM4/COM5/COM6 RS232

EPC-R4680 supports 4 x RS232 with 4wires, as COM3, COM4, COM5. COM6. Pins
are defined below:
COM3 Pin Define
Pin
1
2
3
4
5
6
7
8
9
COM4 Pin Define
Pin
1
2
3
4
5
6
7
8
9
Description
NC
RXD
TXD
NC
GND
NC
RTS
CTS
NC
Description
NC
RXD
TXD
NC
GND
NC
RTS
CTS
NC
7 EPC-R4680 User Manual