AAEON EPIC-QM77 User Manual
Page 54
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E P I C B o a r d
E P I C - Q M 7 7
Chapter 2 Quick Installation Guide
2-40
11
RXD2(422RXD+)
IN
13
DTR#2(422RXD-)
OUT
15
DSR#2
IN
17
CTS#2
IN
Pin
Pin Name
Signal Type
Signal Level
2
RXD#1
IN
4
DTR#1
OUT
6
DSR#1
IN
8
CTS#1
IN
10
DCD#2
(485D-)(422TXD-)
IN
12
TXD2
(485D+)(422TXD+)
OUT
14
GND
OUT
16
RTS#2
OUT
18
RI#2
IN
2.46 RS-232 Serial Port Connector (COM3)
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