AAEON IMBA-Q77 - Manual (Page 24)

I n d u s t r i a l M o t h e r b o a r d I M B A - Q 7 7
Chapter 2 Quick Installation Guide 2 - 12
2.11 RS-232 Serial Port Connector (COM2, 3, 4, 5, 6)
Pin Signal Pin Signal
1 DCD 2 RXD
3 TXD 4 DTR
5 GND 6 DSR
7 RTS 8 CTS
9 RI
2.12 IR Pin Header (IR1)
Pin Signal
1 +5V
2 NC
3 RX
4 GND
5 TX
2.13 Digital I/O Pin Header (DIO1)
Pin Signal Pin Signal
1 DIO_30 2 DIO_31
3 DIO_32 4 DIO_33
5 DIO_34 6 DIO_35
7 DIO_36 8 DIO_37
9 +3.3V 10 GND