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Fibre Optic Technology To Improve Chinese Railway Networks

May 28, 2015

The Beijing and Nanning Railway Bureaus in China recently signed a deal with French telecommunications equipment company Alcatel-Lucent to update the communications between China's railway lines, Railway Technology reports.

As part of the contract, the French firm will supply state-of-the-art fibre optic technology to the Chinese railway authorities, which they will use to improve the 'backbone' of the system.

The optical transport technology will be used to upgrade both the safety and punctuality of train journeys in the country. Communication links will be improved, as will mission critical rail operations such as signalling and video surveillance.

In Beijing, Alcatel-Lucnet's optical solution—named the 1820 Photonic Service Switch (PSS)—is set to be deployed on the third ring of Beijing's railway, connecting the capital with towns and cities across a 623km rail network.

As well as boosting the performance of the communication network, the PSS is expected to lay the foundation for 100G services in the future.

In Nanning, the French company will renovate the 200km line running between Guilin and Liuzhou, allowing for higher-bandwidth services across the network and preparing for interoperation with mobile ultra-broadband networks at a later date.

Commenting on the deal, Luis Martinez-Amago—CEO of Alcatel-Lucent Shanghai Bell (ASB)—stated: "Alcatel-Lucent is committed to delivering technologies that offer greater network capacity and performance, and drive the evolution and convergence of rail communications systems."

The advanced optical networking technology will enable Beijing and Nanning Railway Bureaus to conduct mission-critical communications more effectively, and pave the way for future mobile ultra-broadband.

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