(9) COM Connectors (9-pin):
20
Pin1
Serial COM Port 9-pin Block
Pin6
Pin No.
Pin Definition
Pin 1
DCD
Pin 6
DSR
Pin 2
RXD
Pin 7
RTS
Pin 3
TXD
Pin 8
CTS
Pin 4
DTR
Pin 9
RI
Pin 5
GND
