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Re: Testing a serial port
On 2007-09-06, schmidtd <schmidtd@my-deja.com> wrote:
> On Sep 6, 7:54 am, Jim <j...@magrathea.plus.com> wrote:
>> The idea is that I then link up to another machine (probably a Windows
>> machine running Hyperterm) and alter comms settings on the PC, running that
>> program after each adjustment, until I either get something through or jump
>> out of a window screaming.
> I'd just do a forever loop - skip the PR#0 bit at the end. Hit ctrl-
> reset when you're done. That way you know the Apple is always
> sending.
Fair point.
> Do you have a solid understanding of the pinout of the header? Do you
> have a stock cable that came with the thing? It will be important to
> know if you need a null modem in the middle, etc.
I've no idea about the pinout on it, so I don't know if the socket is wired
as a conventional 25way serial port or not. I _do_ have a known-good null
modem cable, and I'm fairly sure I've got a modem lead I can gender change
if needs be.
Jim
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