long distances

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 Question by Hans Mabelis posted 10 Aug 2005
 long distances
Hi, I've installed lots of UTP-5 networks in many office buildings - but now i'm

contemplating something which rather baffles me because I have never had to deal with

quite this set of parameters.

The facts:

- This is a plan for a network, which is mainly meant to distribute Internet

connectivity. Low speed would be acceptible. 10Mb would be wonderful.
100Mb would maybe serve somewhere in the future (but shouldn't cost toomuch extra)

- Large area: computer connections will be up to 15km from the main distribution

point. Cables will have to be burried in the ground under conditions between extremely

arid and extremely wet. Any above-ground copper cabling has a real chance of being

struck by lightning.

- Few users. I'm talking about a few hundred users; each of them could be from 25m to

several hundred meters apart from the next user.

At the moment, I am thinking fibre optics, FTTP. Do you agree with that?
yours sincerely,
 Answer by Joseph Golan posted 10 Aug 2005
Dear Hans,
Yes Fiber is the way to go but with a distant staion being 15km away, you may have to use single-mode fiber to cover that distance. Investigate all the components from station to service point before you start. You may want to enlist the help of one of the manufacturers like Corning fior their recommendations.

Joseph Golan, RCDD

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