On Sunday, July 6, 2003, at 04:25 PM, Sarah 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.
If I try this:
open file "printer:" for binary read
I get empty in the result. (And zero in the sysError.)
(I open for read to avoid creating files and to get a good result. I think.)
But the RTS and DSR lines don't light up on my little gadget as they do when the Keyspan is really opened.
Moreover, I get empty in the result even when the Keyspan is not plugged in. I don't have a "printer:" serial port on my Blue & White G3 with Mac OS 9.2 unless there is some virtual dummy set up by the OS.
Dar Scott
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