2.4.7
SMB CLK & SMB DATA connector (CN3)
2.4.8
Serial port 2/ 3/ 4 connector (COM2/ COM3/ COM4)
COM3
COM4
COM2
PIN
Signal
1
SMBCLK_PCI
2
SMBDATA_PCI
3
GND
Signal
PIN
PIN
DCD
1
TxD
3
GND
5
RTS
7
RI
9
10
EMX-780E User's Manual 25
User's Manual
Signal
2
RxD
4
DTR
6
DSR
8
CTS
NC