[CLUG] [OT] Genesis Europe, dirt cheap Internet access..
peter at silmaril.ie
Tue Feb 29 01:53:33 GMT 2000
On Mon, 28 Feb 2000, you wrote:
> Anyone see the advert in the Sunday Tribune yesterday? this ISP promises
> 45Mbits to your house over standard phone lines.
A quick chat with an electronics physicist has left me under the
impression that given the conductivity of copper, the diameter of the
conductors which run the local loop, a 50vAC driving voltage, and the
lower layers of the networking model, 45Mbit/s "over standard phone
lines" is just wishful thinking. Not even 4.5Mb/s. Right now a standard
modem has enough trouble pushing 56Kb/s down these cables.
I've managed to get about 1Mb/s over phone grade copper on a private
circuit but I'm not clear how to make that 45 times faster with no
change in the parameters. What I have missed?
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