2 com3/com4 ri pin setting (j6), Table 2-6: com2 rs-232/422/485 setting (j10), Table 2-7: serial port default settings – Advantech PCM-9570/S 2006957006 5th Edition User Manual

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Chapter 2 Installation

23

Table 2-6: COM2 RS-232/422/485 setting (J10)

* RS-232

RS-422

RS-485

J10

* default setting

The IRQ and the address range for COM1, 2, 3, 4 are fixed. However,
if you wish to disable the port or change these parameters later you
can do this in the system BIOS setup. The table below shows the
settings for the PCM-9570/S’s serial ports.

Table 2-7: Serial port default settings

Port

Address range

Interrupt

COM1

3F8 ~ 3FF

IRQ4

COM2

2F8 ~ 2FF

IRQ3

COM3

3E8 ~ 3EF

IRQ10

COM4

2E8 ~ 2EF

IRQ5

2.17.2 COM3/COM4 RI pin setting (J6)

COM1 through COM4 can supply +5 V or +12 V power to the serial
devices via the RI pin of the COM port connector. The outputs of the
COM1 ~ COM4 RI pins are selected by setting J6.

2

5

1

6

9

10

13

14

17

18

2

5

1

6

9

10

13

14

17

18

2

5

1

6

9

10

13

14

17

18

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