Kontron JRexplus-LX Manual de usuario descargar pdf (Pagina 22)

KTD-S0001-C Page 18 Serial Port Interfaces

JRexplus LX User's Guide

8 Serial Port Interfaces

Two fully functional serial ports (COMA and COMB) provide asynchronous serial communications. COMA and

COMB support RS-232 operation modes. They are 16550 high-speed UART compatible and support 16-byte

FIFO buffers for transfer rates from 50 Baud to 115.2 KBaud. A programmable baud rate generator allows

transfer rates up to 1.5 MBaud.

One serial port is available as RS-232 on the JRex front panel, the second serial port COMB can be used as

well as RS-422 or RS-485 interface.

8.1 Connector

COMA is available through the standard DSUB9 connector X9 (9 pins).

Header Pin Signal Name Function DSUB25

1 /DCD Data carrier detect 8

2 RXD Receive data 3

3 TXD Transmit data 2

4 /DTR Data terminal ready 20

5 GND Ground 7

6 /DSR Data set ready 6

7 /RTS Request to send 4

8 /CTS Clear to send 5

9 /RI Ring indicator 22

COMB is available through the connector X10 (10 pins). A DSUB9 adapter cable is deliverable from KON-

TRON (KAB-DSUB9-3, part number 96061-0000-00-0).

Header Pin Signal Name Function DSUB9

1 /DCD Data carrier detect 1

2 /DSR Data set ready 6

3 RXD Receive data 2

4 /RTS Request to send 7

5 TXD Transmit data 3

6 /CTS Clear to send 8

7 /DTR Data terminal ready 4

8 /RI Ring indicator 9

9 GND Ground 5

VCC

Power +5V ---

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Kontron JRexplus-LX Manual de usuario Pagina 22