RS422 Serial communication between two linux guest system.

[The_One]

Dear all,
I am using virtualbox on win 7.
I want to establish an RS422 link between two RHEL Nash ver guest systems within virtualbox.
Can anyone kindly give me a step by step procedure to do it.
I am a novice at virtalbox.
Thanks in advance

[bulletmark]

You could emulate the serial cable by just piping the data over a network. Use something like socat for this.

[mpack]

It doesn't make sense to emulate an RS422 connection because the only difference between that and RS232 is the number of wires and the voltages on the physical cable: you don't have a physical cable so that distinction is meaningless. You will just open a comm port like any app. You should be able to use a pipe to connect two guests.

[The_One]

Kindly tell me how to configure this pipe.

[mpack]

I would think that a glance at the serial ports configuration dialog (in VM settings) would answer that more completely than anything I can type here. That and reading section 3.9 of the user manual.