err good grief yet another correction. I missed your very last line Josh,
which obviates my entire post. "oh well" indeed ;)
On Fri, Aug 11, 2017 at 6:18 PM, Brian White <bw.al...@gmail.com> wrote:
> I didn't notice that last post didn't include any quoting. Meant to reply
> to Josh, and neither contradicting nor adding to what Mike already said.
> On Fri, Aug 11, 2017 at 6:13 PM, Brian White <bw.al...@gmail.com> wrote:
>> It's wired as DTE, but with a female connector. *That's* what makes it
>> backwards, not merely the female connector by itself.
>> If it were a female connector, and wired as DCE, that would be unusual
>> for a computer, but it would still be conforming to the same conventions as
>> everything else.
>> When you buy a random serial cable with male pins in a 25 pin connector,
>> if you know nothing about the insides of the cable or where it came from or
>> what the original packaging said etc, 99 44/100ths of the time that
>> combination expects to be plugged into a modem, or other DCE device. The
>> M100 isn't a modem, but if it's connector were wired DCE, that "modem"
>> cable would still work.
>> *today* such a plug would have an extra dimension of wrongness because it
>> would be ambiguous with a printer port, but at that time, D25F might not
>> yet have become a standard for parallel printer ports. It doesn't matter
>> that the printer port on the M100 itself isn't confusable with it's own
>> serial port, it's still a factor as long as a significant number of
>> printers and their cables out there can physically plug in to the wrong
>> port. At the time, that might not have been true like it absolutely is