Re: Ports again, this time not network but COM ... (Prolific)

Peter Laws / N5UWY

On Mon, Feb 8, 2021 at 2:36 PM Dave AA6YQ <> wrote:

+ AA6YQ comments below

Another thread about ports, but not the TCP/IP kind, the COM port kind
-- the Windows name for serial ports. Specifically, the fake kind created by a USB port's driver.

+ COM ports created by a device driver are real, they just don’t exchange data with a physical serial port.
If there is no 9- or 25-pin D-shell connector, it can't possibly be real! :-D

COMs 1-4 on my system are almost real - they connect to devices via
DE-9 connectors ... but they are all on a box that connects to the
legacy-free PC where DXLab lives. The rest are fake, like the ones
described, or the two that are buried inside the Arduino Nanos that
make up my two Morttys.

They were always abstractions by the OS, of course, regardless of the
physical connection.

Peter Laws | N5UWY | plaws plaws net | Travel by Train!

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