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 - 13
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
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