AAEON GENE-QM77 Rev.B User Manual
Page 37
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S u b C o m p a c t B o a r d
G E N E - Q M 7 7 R e v . B
Chapter 2 Quick Installation Guide
2-24
1
2
3
4
5
6
7
8
9
2.28 COM Port 2 Connector (CN11)
RS-232
Pin
Pin Name
Signal Type
Signal Level
1
DCD
IN
2
DSR
IN
3
RX
IN
4
RTS
OUT
±9V
5
TX
OUT
±9V
6
CTS
IN
7
DTR
OUT
±9V
8
RI/+5V/+12V
IN/ PWR
+5V/+12V
9
GND
GND
RS-422
Pin
Pin Name
Signal Type
Signal Level
1
RS422_TX-
OUT
±5V
2
NC
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