Commell HS-773 Bedienungsanleitung PDF herunterladen (Seite 30)

HS-773 User’s Manual

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2.11 <Serial Port>

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

serial ports. The jumper JCSEL1 and JCSEL2 can let you configure the communicating

modes for COM2.

Connector: COM1/2, 3/4, 5/6

Type: 20-pin (2 x 10) header pitch = 2.54x1.27mm

Pin Description Pin Description

1 DCD1 2 RXD1

3 TXD1 4 DTR1

5 GND1 6 DSR1

7 RTS1 8 CTS1

9 RI1 10 N/C

11 DCD2/422TX-/485- 12 RX2/422TX+/485+

13 TX2/422RX+ 14 DTR2/422RX-

15 Ground 16 DSR2

17 RTS2 18 CTS2

19 RI2 20 N/C

Setting RS-232 & RS-422 & RS-485 for COM2

CN_COM1/2

CN_COM3/4

CN_COM5/6

2 6

1 5

JCSEL1

9 1

JCSEL2

JP1

JP2

JP3

JP4

1 2 ... 25 26 27 28 29 30 31 32 33 34 35 ... 55 56

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Commell HS-773 Bedienungsanleitung Seite 30