Aaeon BOXER-6614 - Page 41

Embedded Controller
B O X E R - 6614
Chapter 2 Hardware Installation 2 - 26
9
NC/+5V/+12V
PWR
+5V/+12V
Note: COM 3 can be configured into RS-232/422/485 through BIOS
settings. Default is RS-232
2.22 COM Port 4 (CN15 of mainboard)
1 5
6 9
Pin
Pin Name
Signal Type
Signal Level
1
DCD
IN
2
RX
IN
3
TX
OUT
± 9V
4
DTR
OUT
± 9V
5
GND
GND
6
DSR
IN
7
RTS
OUT
± 9V
8
CTS
IN
9
RI
IN