Advantech PCM-5864, User Manual

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30 PCM-5864/E/L User's Manual
Table 2-12: COM2 RS-232/422/485 settings (J19, J20, J21)
*RS-232 RS-422 RS-485
J19
J20
J21
* 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-5864/E/L’s serial
ports.
Table 2-13: Serial port def ault 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 (J11, J12)
COM3 and COM4 can 5 V or +12 V power to the serial
devices via the RI pin of the COM port connector. The outputs of
the COM3 and COM4 RI pins are selected by setting J11 and J12
respectively.
5 5 5 3 3 3 1 1 1
6 4 4 6 6 4 2 2 2
5 5 5 3 3 3 1 1 1
6 4 4 6 6 4 2 2 2
6
5
4
3
2
1
6
5
4
3
2
1
6
5
4
3
2
1