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Barox Kommunikation with cabling distances stretching to 10km, and the requirement for a real-time video system with minimal delay from camera to control room, transmission distance and optical budget were immediate concerns for the design team. The system also required redundancy, and with space and fibre at a premium, the solution needed to be channel and fibre efficient. A KBC ASFOM video and data system has been installed within both tunnels providing redundant and uncompressed, real-time video transmission. Barox designed a 'collapsed ring' with two separate, fibre rings that link alternately to every other node and operate independently of each other. Today, with the new South tunnel complete, the north tunnel renovated and the additional security measures in place, the two-lane system is fully operational.
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