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Wednesday, January 1, 2014

How Undersea Cables are Laid by Cable Ships?

Recently there was a disruption on the SEA-ME-WE 4 cable connecting SEACOM to London through the Mediterranean Sea.Due to this we had various questions asking us exactly how undersea cables are laid. This short video explains the process SEACOM took while laying the undersea cable.With the global explosion of world-wide telecommunication, the demand for underwater communication has become increasingly requisite. Underwater cables are laid from specially designed cable ships which can stock thousands of miles of coiled cable in their holds. The special amplifiers, spaced about 25 miles apart, within these undersea cables, are used usually to boost up the voltage of the signals carried in them in order to prevent the losses in the cable.
However, the cable ships must take necessary measures while laying out the fiber optic cables in the sea bed to ensure that they do not break and the amplifiers do not get damaged, and can work for many decades uninterruptedly. 

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