Advantech HMI-640S User Manual

HMI-640S  User's Manual

Table 4-16: Serial port default settings

COM1

3F8, 2F8, 3E8, 2E8

3F8/IRQ4

COM2

3F8, 2F8, 3E8, 2E8

2F8/IRQ3

The following table shows the pin assignments for the card's
RS-232 port:

Table 4-17: COM1 RS-232 serial port connector

1

DCD

18

CD1

6

DSR

20

DSR1

2

RX

19

RX1

7

RTS

15

RTS1

3

TX

17

TX1

8

CTS

14

CTS1

4

DTR

16

DTR1

9

RI

13

RI1

5

GND

37

GND

Table 4-18: COM2 RS-232 serial port connector

1

DCD

23

CD2

6

DSR

21

DSR2

2

RX

22

RX2

7

RTS

27

RTS2

3

TX

24

TX2

8

CTS

26

CTS2

4

DTR

28

DTR2

9

RI

25

RI2

5

GND

40

GND