Which technology standard is associated with point-to-multipoint operations in fiber networks?

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Point-to-multipoint distribution in fiber networks means one feeder from the central facility serves many subscribers through passive splitters. RFoG, or Radio Frequency over Glass, is built for exactly that setup: RF signals from a headend are carried over optical fiber to multiple homes via passive splitters, with the subscriber equipment converting the light back to RF for TV, voice, and data. This arrangement efficiently shares a single fiber plant among many users, which is the essence of PtMP fiber architectures. While GPON also uses a shared fiber and serves multiple subscribers, RFoG is the standard most directly associated with distributing RF signals over fiber in a PtMP fashion. DOCSIS is a data-over-coax framework rather than a PtMP fiber standard, and Active Ethernet is typically point-to-point with dedicated fiber to each subscriber.