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I have an issue in using the serial port with virtual box.

My host system is Windows, my guest system is ubuntu.

I have setup a serial connection between the local Windows and another distant PC, and it worked fine.

I have mapped the physical port in the virtual machine (using vbox serial port setting)

I was able to send the data from ubuntu to the distant PC, however I cannot receive data.

what is the problem?

Serial com config:

enter image description here

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up vote 1 down vote accepted

If you use a serial to usb adapter, then you can map the usb port in virtual box instead of mapping the serial port. And you can access the port from linux with /dev/ttyUSB where x is a number.

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