Wednesday, 20 February 2019 05:45

NEC to build cable system linking Okinawa and Kagoshima


Network integration company NEC Corporation will build an optical submarine cable system connecting Japan's Okinawa Prefecture and Kagoshima Prefecture, following its being awarded a contract by Okinawa Cellular Telephone Company.

A statement from NEC said it would provide the optical submarine cable system as a turnkey solution. The system is scheduled to start operations in April 2020.

Under the contract, NEC will design, engineer, supply, install, test and implement the system.

The 760-km cable system will be connected to Nago City in Okinawa Prefecture and Hioki City in Kagoshima Prefecture and will be installed at a maximum depth of 1200 metres.

The cable system will take a different route from the existing one and provide a back-up in the event of an emergency.

It will also meet the demand for communications between the Okinawa, Kyushu and Honshu regions, which is expected to continue growing due to data centre construction in Okinawa and the launch of 5G services.

NEC has been building submarine cable systems for more than 50 years and has laid more than 300,000 km of cable.

It provides all aspects of submarine cable operations, including production of optical transmission terminal stations, optical submarine repeaters, optical submarine cables, ocean surveys and route designs, installation of equipment and cable installation, and training and delivery testing.

NEC's subsidiary, OCC Corporation, manufactures this cable, and is the sole company in Japan that can manufacture optical submarine cables capable of withstanding the water pressure at 8000 metres.


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Sam Varghese

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Sam Varghese has been writing for iTWire since 2006, a year after the site came into existence. For nearly a decade thereafter, he wrote mostly about free and open source software, based on his own use of this genre of software. Since May 2016, he has been writing across many areas of technology. He has been a journalist for nearly 40 years in India (Indian Express and Deccan Herald), the UAE (Khaleej Times) and Australia (Daily Commercial News (now defunct) and The Age). His personal blog is titled Irregular Expression.



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