I understand (or am learning, rather) how both RS232 and USB work. What I am really curious about, and can not seem to find much information for, is what kind of disadvantages do USB to RS232 dongles have, if any? I understand driver issues and all of that, I mean is there any significant functionality of RS232 that is lost in the conversion, or can USB to RS232 conversions behave exactly like a native RS232 port?
Additionally, if some dongles are better than others (now with respect to both possible functionality and decent drivers, preferably linux based), do you have any suggestions for a good brand or model?
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