What is an SFP (Small Form Factor Pluggable) Port?
Cisco GPON SFP Data Sheet - Cisco
How Fast Fiber Optic Cable Speed Is - Fiber Optic Solutions
Amazon.com: Transwan USB 3.0/2.0/1.1 Over Fiber Extender to Max 250 Meters on 2 Core Single-Mode Fiber with 2 x LC 10 Gbps SFP Module, Supports 5 Gbps Speed, Backward Compatible with USB 2.0/1.1 : Electronics
Testing out my 1.5 gbps fiber connection using pfSense and a GPON SFP module! - YouTube