RSN 2021 Exhibitor – Westermo Wins Multi-Million Contract for Data Communications Technology for Stadler Berlin metro

Stadler Deutschland GmbH has awarded Westermo the contract to supply data communications technology for a new fleet of trains for the Berlin U-bahn metro in Germany. The data networks will support mission-critical systems on-board the two- and four-carriage trains, including the train control and management system (TCMS) and systems that ensure passenger comfort and safety.


The contract, worth more than 5 million euros, includes data communication technology for 606 cars, with an option on an additional 894 cars. Westermo will provide up to 8,500 of its compact Viper Ethernet switches to manage data networks on the BVG J/JK-series underground rail carriages, The new carriages are designed to be very energy efficient, produce less noise and provide greater passenger comfort. Delivery of the Westermo products will commence at the beginning of 2022 and continue over a five-year period.


“Stadler and Westermo share a long-term relationship of very successful collaboration. We are happy to continue this with the new metro-trains from BVG for Berlin City,” says Alexander Höfling, Head of Procurement, Stadler Germany.

“Westermo has many years’ experience of successfully providing data communication technologies in mission-critical on-board rail applications,” says Jenny Sjödahl, CEO of Westermo. “One of our major strengths is our ability to provide networking solutions suitable for both train management applications and systems for enhancing passenger experience – which was a key requirement for this project.”

Westermo’s compact Viper Ethernet switches will manage data networks that support mission-critical systems.

BVG J/JK-series underground rail carriages are designed to be very energy efficient, produce less noise and provide greater passenger comfort.


About Stadler

Stadler has been building trains for over 75 years. The system provider of rail vehicle construction solutions has its headquarters in Bussnang in Eastern Switzerland. It has a workforce of around 12,000 based in various production and engineering locations as well as more than 40 service locations. The company is conscious of its social responsibility for sustainable mobility and therefore stands for innovative, sustainable and durable quality products. The product range in the field of mainline railways and city transport includes high-speed trains, intercity trains, regional and suburban trains, metros, tramways and trams. Stadler also manufactures main-line locomotives, shunting locomotives and passenger carriages. It is the world’s leading manufacturer in the rack-and-pinion rail vehicle industry.


About Westermo

Westermo provides a full range of industrial data communications solutions for demanding applications in the transport, water and energy markets among others. For more than 40 years Westermo has been at the forefront of technological development and often pushed the limits of what is technically possible. In order to provide the best possible support, we have local presence in more than 35 countries through our authorized distributors and own offices. Westermo is a BEIJER GROUP company.

Further information

Mark Gibbs
UK Market Director – Train Networks

Westermo Network Technologies AB
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