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COM PORT SETTING :
1. Pin definition for COM3, COM4, COM5, COM6
P
i
n
1
COM3 & COM4
COM6
Pin1
Pin6
COM5
Pin No.
Pin Definition
DCD
6
DSR
2
RXD
7
RTS
3
TXD
8
CTS
4
DTR
9
RI
5
GND
COM3 Port
COM4 Port
COM5 Header
COM6 Header