Commell FS-A73 Manual de usuario Pagina 34

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FS-A73 Users Manual
34
2.14 <Serial Port>
The board supports Five RS232 serial port and one jumper select able RS232/422/485
serial ports. The jumper JCSEL1 & JCSEL2 can let you configure the communicating
modes for COM2.
Connector: CN_COM2
Type: 9-pin D-sub male connector on bracket for COM2
Pin Description Pin Description
1 DCD/422TX-/485- 2 RXD/422TX+/485+
3 TXD/422RX+ 4 DTR/422RX-
5 GND 6 DSR
7 RTS 8 CTS
9 RI 10 N/C
CN_COM2
21
8
9
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