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High-performance passive optical fiber device diagram

High-performance passive optical fiber device diagram

A high-performance passive optical fiber device consists of an Optical Line Terminal (OLT), passive optical splitters, and Optical Network Terminals (ONTs/ONUs) arranged in a point-to-multipoint topology.Core ComponentsOptical Line Terminal (OLT): Located at the service provider's central office, the OLT converts electrical signals from the core network into optical signals for downstream transmission and aggregates upstream signals from multiple ONTs/ONUs. It also manages bandwidth allocation, timing, and ranging for connected endpoints . Passive Optical Splitters: These unpowered devices divide a single optical signal from the OLT into multiple outputs to serve several subscribers. Splitters can be configured in centralized (co-located at a central office) or distributed (placed in closures or pedestals near end users) architectures. Cascaded splitters, such as 1x4 followed by 1x8, can achieve higher split ratios like 1x32 or 1x64 . Optical Network Terminals (ONTs/ONUs): Installed at or near the end user's premises, these devices convert optical signals back into electrical signals for user devices. They receive downstream data and transmit upstream traffic to the OLT .Network TopologyA point-to-multipoint topology is used, where a single fiber from the OLT is split to serve multiple endpoints. The Optical Distribution Network (ODN) includes the fiber cables and splitters, covering distances typically between 20 km and 30 km . Centralized splitting allows flexible reconfiguration via jumpers, while distributed splitting is fixed once deployed .Diagram DescriptionCodeCopy Core Network | | Electrical Signals v | | Optical Fiber v ------------------- | | |

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