[LINK] Fibre signal losses and wireless

Fernando Cassia fcassia at gmail.com
Sat Jul 2 12:59:09 AEST 2016


On Sat, Jul 2, 2016 at 2:37 AM, David Lochrin <dlochrin at key.net.au> wrote:

>
> Jan, the light pulses still consist of electromagnetic radiation and the
> fibre is, effectively, a waveguide.  Hence the pulses become "smeared out"
> because the glass doesn't handle the frequency spectrum equally (group
> distortion), and there's some loss near the glass surface too, even with
> modern fibre, besides simple attenuation.


This is what a modern GPON splitter looks like
http://newimg.globalmarket.com/PicLib/431/3057431/prod/0_1377156173027_l.jpg

>From the splitter you can run fibre great lengths to each house. It's not
sucessive splitting an already split line. The line is split just ONCE in a
single device, THINK "star" topology. Then you can run the fibre to each
home.

It works, it's been installed world-wide, and the technology is not really
that new. I don't know what else can be said...

FC


-- 
During times of Universal Deceit, telling the truth becomes a revolutionary
act
Durante épocas de Engaño Universal, decir la verdad se convierte en un Acto
Revolucionario
- George Orwell



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