TAILIEUCHUNG - Advantage of Centralized Splitters in FTTP Networks

In today’s and tomorrow’s fiber-to-the-premises (FTTP) architectures, the best solution for offering multiple services to subscribers will be the one that is the most cost effective, flexible, and scalable. With its 65-year history of innovative solutions for managing the physical cable plant, ADC is bringing all its experience to bear in the outside plant (OSP) and fiber-to-the-premises (FTTP) markets. Driven by the customer’s need for overall affordability and operational flexibility, ADC is designing and building the first true FTTP solution – from the ground up | Advantage of Centralized Splitters in FTTP Networks Advantage of Centralized Splitters in FTTP Networks In today s and tomorrow s fiber-to-the-premises FTTP architectures the best solution for offering multiple services to subscribers will be the one that is the most cost effective flexible and scalable. With its 65-year history of innovative solutions for managing the physical cable plant ADC is bringing all its experience to bear in the outside plant OSP and fiber-to-the-premises FTTP markets. Driven by the customer s need for overall affordability and operational flexibility ADC is designing and building the first true FTTP solution - from the ground up. A major consideration in building the fiber distribution portion of the network - the link between customer and central office - is which optical splitter approach will work best. Since today s optical line terminal OLT card can service a maximum of 32 customers it is important to ensure efficient use of each card. In large developments inefficient use of OLT cards costing about 5000 each can quickly increase initial deployment costs. Of equal importance is the network s ability to adapt to future technological changes as the telecommunication industry continues to mature. The two common splitter configurations are the centralized and the cascaded approaches. The centralized splitter approach typically uses a 1x32 splitter in an outside plant OSP enclosure such as a fiber distribution hub. In the case of a 1x32 splitter each device is connected to an OLT in the central office. The 32 split fibers are routed directly from the optical splitter through distribution panels splice points and or access point connectors to the optical network terminals ONTs at 32 homes. The cascaded splitter approach is normally configured with a 1x4 splitter residing in the OSP enclosure and connected directly to an OLT in the central office. Each of the four fibers leaving the 1x4 splitter is routed to an access terminal housing .

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