Com Port 2 (Cn4) - Asus AAEON BIO-ST02-C4M1 User Manual

42 NC
43 GND
44 NC
45 NC
46 NC
47 NC
48 +1.5V
49 NC
50 GND
51 NC
52 +3.3VSB

2.3.3 COM Port 2 (CN4)

Pin Pin Name
1 DCD
2 DSR
3 RX
4 RTS
5 TX
6 CTS
Chapter 2 – Hardware Information
GND
PWR
GND
PWR
DCD
DSR
RX
RTS
TX
CTS
DTR
RI
GND
Signal Type
IN
IN
IN
OUT
OUT
IN
+1.5V
+3.3V
Signal level
± 9V
± 9V
10