Re: back to high value targets

[Valdis.Kletnieks () vt edu]

On Thu, 31 Jan 2008 16:39:57 EST, Dude VanWinkle said:
> On Jan 31, 2008 3:51 PM, gmaggro <gmaggro () rogers com> wrote:
> > > One planned for Egypt-France is 8 pair, each pair doing 128 lambdas
> > > at 10Gbit per lambda.  Do the math.
> >
> > That's a lot of retards
>
> And they dont have to upgrade the fiber in order to upgrade the
> bandwidth. They use the same fiber and just swap out the lasers on
> either side

Within limits - the replacement laser has to be something that works with
the regen units located every 30 to 50 miles or so along the cable (incidentally,
getting power to a regen unit that's 1,500 miles down the cable and under 4
miles of water is non-trivial - the usual solution for that is to pump a
high-voltage feed down a copper conductor in the cable.  Only one conductor
is needed, because salt water makes a *very* good ground. ;)

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