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The tiny hair like strand of glass fibre on the left is capable of handling massive amounts of information and can do so with only having a repeater ever fifty kilometres whereas copper wire needs a boost every three. The seven micron
fibre is impervious to water or electrical interference. Unlike copper wire where the signal is moved along as an analogy signal fibre optics uses computer technology to digitize the information be that voice or data. The information is then sent down the line in bursts of laser light in what is called packets, a series of ones and zeros of information then reconstructed at the receiving end. By using this technology enormous numbers of voice calls and data lines can travel on that little strand of light conducting glass.

The connector is assembled and the fibres mated then the whole assembly is buried in the ground, out of harms way and monitored with copper lines that provide information on the condition of the connection. The copper strands can be seen on the right hand side of the connection with the two fibre cables held firmly in place on the left of the plastic connector unit.