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   RAILFAN      Trains, model railroading hobby      3,261 messages   

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   Message 941 of 3,261   
   Stephen Sprunk to Robert Heller   
   Re: Trains Magazine--"modern streetcar"    
   06 Jul 14 11:38:04   
   
   From: stephen@sprunk.org   
      
   On 06-Jul-14 10:11, Robert Heller wrote:   
   > Actually it is already possible to push 10s of Gb/s through fiber   
   > with current technology, using multiple wavelengths.   
      
   Indeed, but how many people need that inside their home or office?   
      
   That is mainly useful for long-haul circuits that already have been   
   replaced with fiber, but it's not an argument for FTTH over FTTN.   
      
   > Also, there is the matter of attenuation / signal loss over   
   > distance. I don't think it is possible to run miles and miles and   
   > miles of 1Gb/s *copper* Ethernet...   
      
   You could, if you were willing to put up with repeaters every few   
   hundred feet.  Obviously, that's not very practical.   
      
   S   
      
   --   
   Stephen Sprunk         "God does not play dice."  --Albert Einstein   
   CCIE #3723         "God is an inveterate gambler, and He throws the   
   K5SSS        dice at every possible opportunity." --Stephen Hawking   
      
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