Avalue EMX-H61B - Manual (Page 11)

EMX-H61B Quick Installation Guide
EMX-H61B Quick Installation Guide 11
2.3.7 General Purpose I/O (JGPIO1)
Signal PIN PIN Signal
+5V 1 2 12V
GPO 3 4 GPI
GPO 5 6 GPI
GPO 7 8 GPI
GPO 9 10 GPI
GND 11 12 GND
2.3.8 Serial port 1/2 connector (JCOM1/2)
Signal PIN PIN Signal
DCD 1 2 RXD
TXD 3 4 RTD
GND 5 6 DSR
RTS 7 8 CTS
RI 9
Note: COM 1/2 Pin9 without power.
JCOM2
JCOM1