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Ethernet over unused twisted pair?



Dan Ritter wrote:
> On Sun, Mar 08, 2009 at 07:19:52AM -0600, Jack Coats wrote:
>> Our local power company (in TN) now reads the power meters network wide hourly.
>> So I think they 'have it down' pretty well now.  I wish they would let
>> me get internet
>> over them too!
> 
> It's much more likely that they have strung fiber next to the
> power lines than that they are using BPL -- broadband over power
> lines. 

Can't say about Jack's power company in particular, but I know that some 
of them are transmitting data over their power lines. But that 
application is more like NPL (narrowband over power lines) than BPL; 
they don't have to send a whole lot of data to read power meters.






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