The primary function of a GPON Optical Network Unit (ONU) embedded within an SFP form factor is to serve as the endpoint at the subscriber's premises, converting optical signals transmitted from the Optical Line Terminal (OLT) at the service provider's central office into electrical. The primary function of a GPON Optical Network Unit (ONU) embedded within an SFP form factor is to serve as the endpoint at the subscriber's premises, converting optical signals transmitted from the Optical Line Terminal (OLT) at the service provider's central office into electrical. This document describes the Gigabit Passive Optical Network (GPON) technology and how it functions. There are no specific requirements for this document. This document is not restricted to specific software and hardware versions. Asterfusion's GPON solution combines GPON OLT Stick SFP modules with SONiC-based open switches, creating a flexible, scalable, and cost-efficient all-optical access network. The device complies with G. It delivers Gigabit Ethernet (GigE) service to any device capable of hosting an SFP module, such as Ethernet. With versatile GPON products such as GPON APs, switches, and modules, Omada provides a complete GPON solution for hotels and MDUs What is GPON? What is GPON? GPON (Gigabit Passive Optical Network) technology offers a point-to-multipoint (PtMP) structure and efficient broadband access solutions to. GPON SFP modules are the bedrock of point-to-multipoint (P2MP) optical access technology, which has dramatically improved FTTx optical access.