On 2020-12-30, Anssi Saari  wrote:
> RobertoA  writes:
>
>> The Raspberry4 board has 6 native uart
>
> I didn't actually know that but so it is. One or two may be in use by
> default.
>
>> So it will be necessary to program the Raspberry so that it has a tcp
>> / ip server inside, which will pass the information to the uart ports
>> On the computer side it will be necessary to install programs to
>> 'virtualize' the com port and connect it to the tcp / ip server on the
>> Raspberry
>> How to proceed?
>
> I can't help with the Windows part and it's really off topic here. On
> the RPi side you can use netcat to listen to a tcp port and forward data
> to serial and vice versa.

Serial to tcp servers for linux already exist. Try looking at the
package ser2net - I'm sure there others.

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