Speaking serial out RJ-45 jack

Dave Smith dave at thesmithfam.org
Mon Mar 30 10:40:41 MDT 2009

Nicholas Leippe wrote:
>> However, in theory I can just tell my computer to speak serial out my
>> ethernet port.
> No, in theory and in practice, you can't. They are totally different 
> electrical specifications.

Just to clarify, the reason Nicholas is right is because of the Ethernet 
MAC and PHY on your computer, which can't speak RS-232.


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