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July 31, 2023


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case study

Munich Airport upgraded with networked public address and voice alarm system

Terminal 1 at Munich Airport, Germany has its analog public address and voice alarm system upgraded with an IP-based Praesensa system by Bosch.

With 31.6 million passengers in 2022 and 210 destinations in 63 different countries, Munich Airport is one of Europe’s most important air traffic hubs and has also been named “Best Airport in Central Europe” by Skytrax.

Bosch have been a project partner at the airport since 1992, with an on-site support team looking after the fire and intruder detection technology, video cameras, and door control system.

The installation is based on a large-scale and ‘powerful’ networking concept with multiple subnets, according to Bosch, with the maximum configuration level designed to enable up to 3,000 Praesensa system components and 10,000 audio zones aimed to be managed centrally.

The multi-subnet system is also said to include a redundancy concept for ‘uninterrupted operation’ in the event of an equipment failure.

“We wanted reliable connectivity with good redundancy and a flexible, future-proof solution for Munich Airport. Another ideal feature was the problem-free integration of our 14,000 existing speakers into the new solution. The overall package won us over,” said Michael Huck, project engineer for safety and security systems at Flughafen München (Munich Airport).

The DIN EN 54-certified solution is designed to be used for passenger announcements, locating people, emergency alerts and general announcements in Terminal 1.

23 tech room install

The integration into the airport’s existing management system, the firm believes, means the terminal service team and the fire department can pass on information to passengers and staff aimed to be faster and more targeted with improved audio quality.

Pre-recorded announcements in 18 languages is also said to be a future possibility, according to Bosch. In the event of an alarm being activated, the fire department is said to be able to use an additional display panel on a 40-inch touchscreen monitor to control individual sections of the building and take measures such as a phased evacuation.

Besides undertaking the planning work, Bosch installed the new solution. The Praesensa systems for the terminal’s 23 tech rooms and its parking garages are installed in over 80 19-inch racks and connected to the existing speakers.

The amplifiers in the Praesensa systems are said to offer intelligent and more flexible load distribution to amplifier channels, along with reduced power consumption in standby mode.

The full IP connectivity of all components means the new solution in Terminal 1, which is also maintained by the Bosch team on site, can be scaled and adapted to future requirements. “When you make an investment, it’s important for the technology to grow along with it, without previous investments going to waste. That is particularly true of an airport, because it’s in a constant state of flux,” adds Huck.

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