Commell HE-875P Manual do Utilizador descarregar pdf (Página 32)

HE-875P User’s Manual

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2.13 <Serial Port Jumper Setting >

The board provides three RS232 serial ports, with jumper selectable RS422/485 for

COM2.

Connector: CN_COM1/2

Type: 10-pin (5 x 2) 2.54mm x 2.54mm-pitch header for COM1/2

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

JCSEL1 JCSEL2

RS-232

RS-485

RS-422

5 1

6 2

12 2

11 1

5 1

6 2

12 2

11 1

5 1

6 2

12 2

11 1

1

2

9 10

1 2 ... 27 28 29 30 31 32 33 34 35 36 37 ... 55 56

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