North American Network Operators Group
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Re: ATM (was Re: too many routes)

  • From: Tim Pozar
  • Date: Mon Sep 15 10:42:57 1997 
Susan R. Harris wrote:
> > Photons propagate at 0.65c in fibre - the exact speed does vary
> > depending on whether its single or multimode fibre.  
> 
> Hi Geoff - not to reveal my ignorance or anything, but ... is that 65
> degrees celcius? 
> 
> > The equivalent EMR propagation speed in coppr is 0.75c
> 
> What is EMR?
 
Electro-Magnetic Radiation.

The velocity will vary +/- ~10% depending on the type of material for the 
dielectric and dimension of the transmission line.

Tim
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