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In the FTTO all-optical campus solution, fibers are directly routed to guest rooms, corridors, and halls. One fiber carries three wavelengths separately for telephone, CATV, and Internet access (Wi-Fi and fixed network) services. By deploying just one fiber per room, cabling in guest rooms is effectively reduced. A single fiber can transmit signals for a maximum of 40 km, reaching geographically dispersed hotels, reducing the deployment of outdoor cabinets, and simplifying network deployment.