AOpen AX4SG-U - COM2 Connector

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This motherboard provides two serial ports. One of them is on back panel connector, and the other is on the upper left of board. With
proper cable, you can connect it to the back panel of chassis.
Pin 1
1
DCD#
SOUT
GND
RI#
RTS#
SIN
DTR#
DSR#
CTS#
COM2 Connecto
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