euNetworks launches Scylla subsea cable system

euNetworks launches Scylla subsea cable system

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euNetworks Group (euNetworks) confirms the completion of its fibre-based infrastructure linking London and Amsterdam, including a new subsea cable system named Scylla.

Now ready for service, Scylla is the first subsea cable system between the UK and the Netherlands in over 20 years with the last system being built in 1999.

euNetworks is a builder of long-haul fibre networks to connect the key data centres and data centre hubs across the UK and Europe. The company builds Super Highways on long haul routes and this latest high capacity fibre system extends euNetworks’ Super Highway network onto Europe following the building of Super Highway 1 connecting Dublin and London to Lowestoft in November 2019.

“This Super Highway is an important investment in Western European bandwidth infrastructure,” said Brady Rafuse, chief executive officer of euNetworks.

“We’ve delivered the first new subsea cable on this important route in 20 years and delivered a unique route running between London and Amsterdam to support the many businesses whose connectivity requirements continue to grow. Critically for our customers, this network development continues our approach of delivering highly scalable, owned and operated fibre based sustainable infrastructure to support their needs.”

“We extend our thanks to all those who have worked with us on this project. We look forward to continuing to work closely with our customers in these regions and across our networks, delivering the bandwidth experience and scale they need.”


This second Super Highway links Lowestoft to IJmuiden and then onto Amsterdam, via the new subsea cable Scylla. Combined with euNetworks’ existing metro networks in Dublin, Manchester, London and Amsterdam, the system enables any data centre to any data centre connectivity between all these metros.

The project started with design and permitting studies in August 2019, construction started in April 2020 with services delivered to customers at the beginning of September 2021.

The terrestrial backhaul networks use new low-loss Corning SMF28 Ultra G657.A1 fibre cables and three entirely new amplification sites for the two cable landings and intermediate repeater in the UK.

While the 211km Scylla system is a non-hybrid 96 pair double-armoured subsea cable, using Corning’s SMF28 ultra-low loss G654.C pure silica fibre; giving all customers the benefit of future-proofed ultra-low attenuation on the unrepeatered system.

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