Commell P4BWA Manual de usuario descargar pdf (Pagina 31)

P4BWA User’s Manual

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2.14 <Serial Port>

The board supports one RS232 serial port and one jumper selectable RS232/422/485 serial

ports. The jumper JCSEL1 & JCSEL2 can let you configure the communicating modes for

COM2.

Connector: CN_COM2

Type: 10-pin (5 x 2) 2.54mm x 2.54mm-pitch box header 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_COM 2

1 2 ... 26 27 28 29 30 31 32 33 34 35 36 ... 56 57

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Commell P4BWA Manual de usuario Pagina 31