On Sunday, July 6, 2003, at 09:24 PM, Dar Scott wrote:
It depends whether your USB interface mimics a printer port. If it does (like port 1 on Keyspan or similar adapters), then you can connect perfectly.
This might not be the case on my Keyspan single port high speed adaptor, USA-19QW, or else I have something blocking it.
I learned a little more for my case. Due to a mental block on my part I didn't see the checkbox to have the Keyspan adaptor emulate the printer port in Keyspan Serial Assistant control panel. (BTW, for you Windows PC folks, there are two classical serial ports on the Mac and one is named printer; this is not related to the parallel port on Windows PCs.) I set that up and now an open for "printer:" takes a whole second to fail (syserror=-98).
So, on my Blue & White Mac OS 9.2 with no printer port that I know of:
Keyspan not plugged in-- open file "printer:" indicates success
Keyspan plugged in-- open file "printer:" indicates success
but it does not open Keyspan
Keyspan in & set as printer-- open file "printer:" indicates error after 1 s
Dar Scott
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