(Optical Network Unit) provides the user-side terminatioin and interface of the Optical Access Network (OAN). More than one ONU may be connected to the same Optical Line Termination (OLT) by means of passive or active intermediate elements. Also called ONT (Optical Network Terminal) OSI OSI (Open Systems Interconnection) defines a networking framework standardized by the International Organization for Standardization (ISO). Adherence to the standard enables any OSI-compliant system to communicate with any other OSI-compliant system for a meaningful exchange of information. The OSI model defines seven layers for implementing protocols: 1. Physical 2. Data Link 3. Network 4. Transport 5. Session 6. Presentation 7. Application OTOH On The Other Hand overclock

Optical Network Unit; A form of AccessNode that converts optical signals transmitted via fiber to electricalsignals that can be transmitted via coaxial cable or twisted pair copperwiring to individual subscribers.

Organizzazione delle Nazioni Unite

Organisation des Nations Unies