Advantech PCM-5862E, User Manual

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26 PCM-5862E/EL User's Manual
COM3/COM4 RI pin setting (J11, J12)
The COM3 and COM4 can 5V or +12V power to the serial
devices via RI pin of the COM port connector. The outputs of
COM3, COM4 RI pins are selected by setting J11, J12.
COM3 RI pin setting
+5V +12V *RI
1 3 5 1 3 5 1 3 5
J12
2 4 6 2 4 6 2 4 6
COM4 RI pin setting
+5V +12V *RI
1 3 5 1 3 5 1 3 5
J11
2 4 6 2 4 6 2 4 6
* 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-5862E/5862EL’s serial ports.
PCM-5862E/5862EL serial port default settings
Port Address Range Interrupt
COM1 3F8~3FF IRQ4
COM2 2F8~2FF IRQ3
COM3 3E8~3EF IRQ10
COM4 2E8~2EF IRQ5