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FPC 8084 Users Manual
2.4 3 x Serial Ports
COM Port Connector: COM1
The connector, COM 1, is a DB-9 connector, and the following table
shows the pin assignments of this connector.
Pin Signal Name
1
DCD, Data carrier detect
2
RXD, Receive data
3
TXD, Transmit data
4
DTR, Data terminal ready
5
GND, ground
6
DSR, Data set ready
7
R TS, Request to send
8
CTS, Clear to send
9
RI, Ring ind i cato r
COM1
18