Emax

On Thu, 05 Nov 2009 21:04 +0000, "gadgetfiddler"
<gadgetfiddler@...> wrote:
> have you considered utulizing the printer port on a pc to make the data
> transfer into the rs-422 port on the emaxII?
> I've got a cord with a male printer port plug on one side and a female
> serial port plug on the other.
> 

Are you sure it's an actual parallel to serial, or is it a serial DB25
to serial DB9? there is a standard for serial data on a 25 pin connector
(I have no idea why)


Anyway - the printer port won't work. we're talking very fast data rates
here.


I sent off a usb/422 adapter I'd made that works synchronously to
esynthesist  a while ago, but it turns out that while it passed the
simple test program I had, there are some issues with it... I haven't
had time to work on them since, but I have some time coming up in a week
or two to try and debug it on my side with a bit more information (and
my new oscilloscope! woo!)




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