I just threw together a 1P terminal server to give me
> "console" access to one of my UPSs that doesn't have
> a NIC.
>
> I figure it would be a great "stocking-stuffer" for *next*
> year -- inexpensive ($10 finished price?), small (so I
> can mail them to colleagues), simple UI, etc. And,
> above all, "convenient" to have on hand!
>
> It's a low, average data rate application (the *port* is
> slow even if talking 100BaseTX) so a tiny, cheap MCU/SoC
> can handle the workload (the encryption is the most costly
> process involved). Most of the code is network stack
> so that's a no-brainer.
can buy that for a few bucks yeah.
formatting link
But, trying to sort out the worst case data rate is
> an issue. Of course, 9600 is common. Replaced by 19.2.
> But, I also see 115k in some places. Maybe settle for
> 230K and assume anything needing faster can find another
> solution?
sometimes oddball rates are useful.
eg: DMX is 250K MIDI is 31K25 also you can do WS2812B 3 bits per byte at 250K 7N1
I came across something that was 1M, but I forget what it was.