2.4.1 – COM1 Connector (J3)
2.4.2 – COM2 Connector (J5)
Signal
Description
DCD
RXD
TXD
DTR
GND
Signal
Description
DCD2
RXD2
TXD2
DTR2
GND
13
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Pin
Pin
Signal
#
#
Description
DSR
1
2
RTS
3
4
CTS
5
6
RI
7
8
KEY
9
10
Pin
Pin
Signal
#
#
Description
DSR2
1
2
RTS2
3
4
CTS2
5
6
RI2
7
8
KEY
9
10