Outstanding availability thanks to comprehensive services

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High-speed data transmission with parallel optics

LAN cabling systems

LAN cabling: keep it simple, but smart

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Rosenberger OSI

Your expert in innovative fiber optic cabling infrastructure and service solutions

Rosenberger Optical Solutions & Infrastructure (Rosenberger OSI) is an expert in innovative fiber optic cabling infrastructure and service solutions for Datacom, Telecom and Industrial in Europe. The products and services can be found wherever largest amounts of data have to be transferred quickly and securely. In addition to the development and production of a broad portfolio of fiber optic and copper cabling systems, Rosenberger OSI also offers a variety of services such as planning, installation and maintenance of cabling infrastructure.


Extreme robust FO cabling technology for demanding environments



As a partner of the market leaders, we are setting the standards for the future



Pioneer in forward-looking glass fiber solutions. Since 1991


Pioneer in data center cabling

Latest News

Press release

Rosenberger OSI awarded by Cabling Installation & Maintenance 2018 Innovators Awards Program in the category Cabling Media

Cabling specialist receives award for the development of an innovative fiber optic connector with dirt-repellent fiber ends.


FTT-ACP: Ready for the future in building cabling

Maximum flexibility and efficiency are essential for building cabling, along with the ability to adapt easily to future requirements. FTT-ACP makes this possible.

Success story

MIX – Milan Internet Exchange: the best components for maximum reliability and performance

The Milan Internet Exchange achieves its objectives thanks also to the optimal technical components.

Blog post

Fiber optic cabling optimizes data security in data centers

Digital transformation, Internet of Things, Big Data, Mobility and, and, and..... in the IT environment the hype topics never run out. Some are disappearing again, others are establishing themselves...


Optical Solutions & Infrastructure

Innovative FO, LAN and copper cabling solutions for Datacom, Telecom and Industrial

Products & Services