After capacity expansion, the new optical splitter still has 4 free ports to accommodate users. When the new optical splitter is used for first-level splitting, taking the ordinary 1×64 splitter as an example, you only need to replace the 1×64 splitter with a 64+64. In the backbone of modern Fiber-to-the-Home (FTTH) networks, optical splitters serve as the unsung heroes that enable cost-efficient connectivity for millions of subscribers. By dividing a single optical signal from a central Optical Line Terminal (OLT) into multiple outputs for Optical Network. The FBA Technology Committee subgroup discussed the concept of centralized and distributed splitting in depth, and we were unaware of a standards document where they are codified. After significant debate, we've landed with the following definitions: Centralized – A centralized split has one or. Optical splitters play a crucial role in Fiber to the Home (FTTH) Passive Optical Network (PON) systems, efficiently distributing a single optical signal to multiple destinations. The split ratio and insertion loss are two key parameters defining their performance. They are crucial for network expansion, especially in scenarios where multiple locations need to be. FTTH architecture defines how fiber networks are structured, deployed, and operated over decades.