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Re: USB "null modem" cables and related Linux driver questions




On Fri, Jun 01, 2018 at 04:56:32AM -0500, Richard Owlett wrote:
On 05/31/2018 06:58 PM, David Wright wrote:
(thanks for your link) gives an idea of the price, and in this case I
can see some justification for it because they describe the
electronics hidden inside the plugs (we hope).

But considering that two NICs cost less than that cable, I'd need a
pressing reason to purchase the cable instead.

There is a perceived elegance aspect.
There is also a practical aspect the only known working and conveniently physically accessible ports are USB.

USB-Ethernet dongles would be a lot more useful in the long term than USB-Serial dongles. RS-232 had a really good 40 year run, but for general communications it was mostly obsolete nearly 20 years ago. You mentioned file transfers--I can't think of any applications where that's going to be better over a pair of USB-Serial dongles than a pair of USB-Ethernet dongles.

Mike Stone