Tree-shape Passive Optical Access Network(PON) Topology

Ethernet Passive Optical Networks (EPON) deployment offers higher bandwidth than copper-based technologies in a cost-effective way. EPON is composed of three main parts:

(1)optical line terminal (OLT), which is located at the central office and acts as a gateway between the access and core networks;

(2)optical network units (ONU), located at the customer side and connected to the home network;

(3)passive splitters and optical fibers connected in a tree topology.




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