Banverket ICT, a Swedish network operator, has completed a live field trial running 10G/40G/100G simultaneously on its existing fiber network between Sundsvall and Stockholm. The trial used a Nortel optical solution over a total fiber distance of 810km. The live 100G trial used Nortel’s 40G/100G Adaptive Optics Engine to test a mix of 10G, 40G and 100G wavelengths over an existing 10G engineered link of five spans without regenerators or external fibre compensators. The tests showed successful 100G operation under fiber stress conditions that would occur under normal operations, without using adaptive optics. Banverket ICT already delivers 10G services in Sweden and the trial has shown that their optical network can be scaled simply and cost effectively from 10G to 40G and 100G.
Banverket ICT is a subsidiary of Banverket, the authority responsible for Sweden’s railways. The company operates a transport and communications network running alongside the country’s 13,000 km rail network.
“A 100G upgrade positions Banverket ICT to offer customers the secure wavelength capacity they need, when they need it on the network,” said Thomas Sjöstrand, manager, Technical and Network Strategy, Banverket ICT. “Also, in Sweden’s rural areas, access to low cost transport which is future proofed with 100G per wavelength can have a major impact because with 100G we can eventually offer universal broadband access across Sweden at speeds that are currently only available in metropolitan areas.”
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