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David Kramer wrote: > Most of these adapters use the Prolific chipset... > ... > One major problem with these devices, though, is that they can only > simulate the data pins, but not the hardware handshaking pins. Seeing as you looked into what chipset these devices use, did you go the next step and look up the data sheet to see if the chipset supports a controllable DTR line? If it doesn't, then you can obviously rule out all adapters that use that chipset. If you can determine which chipsets do support that capability, it should be easier to find an adapter online that has a good chance of implementing a working DTR line. Here's an "open source" USB to RS232 adapter: http://www.embedded-projects.net/index.php?page_id=165 I don't know if it has a working DTR line, but it ought to have adequate documentation of the hardware to permit answering that question, and a support community. -Tom -- Tom Metro Venture Logic, Newton, MA, USA "Enterprise solutions through open source." Professional Profile: http://tmetro.venturelogic.com/ -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean. _______________________________________________ Discuss mailing list [hidden email] http://lists.blu.org/mailman/listinfo/discuss
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