Com (Serial) Port - DFI FS053 User Manual

COM (Serial) Port

2
COM 3
1 9
COM 3: RS232/422/485
COM 3 can be selected among RS232, RS422 and RS485. RS485 communication supports auto
flow control.
The serial port is asynchronous communication ports with 16C550A-compatible UARTs that can
be used with modems, serial printers, remote display terminals, and other serial devices.
Chapter 2 Hardware Installation
Chapter 2
Pin
1
2
3
4
5
6
7
8
9
ON
1 2 3 4 5 6 7 8
16
RS-232 RS-422 RS-485
DCD TX- DATA-
DSR NC NC
SIN TX+ DATA+
RTS NC NC
SO RX+ NC
CTS NC NC
DTR RX- NC
RI NC NC
GND
GND GND
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