Fibre Optic IRS System

Increasingly today fibre optic cabling is being integrated into the installation of IRS systems. Using Fibre within the TV industry is a relatively recent development although it has been used in the telecommunications industry since the 1980s. In 1997 the first fibre telephone cable of it’s kind which was called FLAG (fibre-optic around the globe) was laid on the sea bed between London and Tokyo.

There are numerous advantages of Fibre over traditional copper coax. Fibre can transport more information over far greater distances than copper. It is lighter and the cables have a far smaller diameter. Also because glass doesn’t conduct electricity there is no current flow so there are no earthing requirements. Fibre IRS systems work largely by using the same principles as traditional copper except that some of the components are different and that you can run the cables across distances of up to 10km.

A Fibre cable can be run right up to each dwelling which is then terminated in a Gateway Termination Unit (GTU). From a standard Quad GTU you can run up to four coax cables into each home or by using a Quattro GTU you can install a multiswitch with anything up to 32 outputs.

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