What is an Optical Distribution Network (ODN)? Easy Guide to ODN in Fiber Optics
The Optical Distribution Network (ODN) is the passive fiber network that connects service providers’ OLTs to end-user ONUs/ONTs. This guide explains what ODN means in telecom, its key components like connectors, adapters, closures, splitters, patch cords, and patch panels, and why it’s critical for reliable fiber internet.









