[UgaBYTES] [KenTel] Fibre Optic systems made simple

[Aggrey Omondi]

Thanks for this contribution.  Can someone help me to understand whether the
costs of satelite connections will still be high as it is now when everybody
moves to Fiber Optic cables?
Aggrey


On 24/06/2009, dmethus at uccmail.co.tz <dmethus at uccmail.co.tz> wrote:
>
> Hi All,
>
> To add on what Otieno has mentioned is that with Fibre opric cable many
> Telecentres will be able to pay less for the bandwidth. As we are all
> aware that currently many countries in Africa depend on satelite and the
> cost is very high.
>
> Regards
>
> Methusela
>
>
>
>
>
> > Hi Folks,
> >
> > Tech savvies know very well what is at stake and already positioned
> > themselves or are in the process of doing so to fully utilize the
> > bandwidth
> > capacity and opportunities that come with it. However for the benefit of
> > telecentre practitioners who may not necessarily be technical and are
> > wondering what to do or how to react, it is important to highlight some
> of
> > the benefits of the much talked about fibre optic cable. it may just open
> > some eyes somewhere.
> >
> > Why are fibre optic systems revolutionizing telecommunications?
> >
> > Fibre optic communication is a method of transmitting information from
> one
> > place to another by sending pulses of light through an optical fibre. The
> > light forms an electromagnetic carrier wave that is modulated to carry
> > information.
> >
> > Compared to conventional metal wire (copper wire), optical fibres in
> > simple
> > terms are:
> >
> > 1.Less expensive – Several miles of optic cable can be made cheaper than
> > equivalent lengths of copper wire. This saves your provider (cable TV,
> > Internet) and your money.
> > 2.Thinner – Optical fibres can be drawn to smaller diameters than copper
> > wire.
> > 3.Higher carrying capacity – because optical fibres are thinner than
> > copper
> > wires, more fibres can be bundled into a given-diameter cable than copper
> > wires. This allows more phone lines to go over the same cable or more
> > channels to come through the cable into your TV box.
> > 4.Less signal degradation – the signal loss optical fibre is less than in
> > copper wire.
> > 5.Light signals – unlike electrical signals in copper wires, light
> signals
> > from one fibre do not interfere with those of other fibres in the same
> > cable. This means clearer phone conversations or TV reception.
> > 6.Low power – because signals in optical fibres degrade less, lower power
> > transmitters can be used instead of high voltage electrical transmitters
> > needed for copper wires. Again this saves your provider and you money.
> > 7.Digital signals – optical fibres are ideally suited for carrying
> digital
> > information, which is especially useful in computer networks.
> > 8.Non-flammable – because no electricity is passed through optical
> fibres,
> > there is no fire hazard.
> > 9.Flexible – because fibre optics are so flexible and can transmit and
> > receive light, they are used in many flexible digital cameras for the
> > following purposes:-
> > -    Medical imaging – in bronchoscopes, endoscopes, laparoscopes.
> > -    Mechanical imaging – inspecting mechanical welds in pipes and
> engines
> > (in airplanes, rockets, space shuttles, cars)
> > -    Plumbing – to inspect sewer lines.
> >
> > Regards.
> >
> > --
> > Cleopa Timon Otieno
> > www.ugunja.org , www.kenyatelecentres.org
> > P.O.Box 330-40606, Ugunja
> > Cell: +254-720-950-220
> > skype: timonson1
> > _______________________________________________
> > ugabytes mailing list
> > ugabytes at lists.ugabytes.org
> > http://lists.ugabytes.org/mailman/listinfo/ugabytes_lists.ugabytes.org
> >
> >
>
>
> _______________________________________________
> kentel mailing list
> kentel at list.kenyatelecentres.org
>
> http://list.kenyatelecentres.org/mailman/listinfo/kentel_list.kenyatelecentres.org
>