ONU

Definition	:	Optical Network Unit
Category	:	Computing » Networking
Country/Region	:	Worldwide
Popularity	:
Type	:	Initialism

What does ONU mean?

Optical Network Unit (ONU) is a device used in a Passive Optical Network (PON) to connect customer premises to the service provider's network. It serves as the interface between the optical fiber network and the customer's equipment.
ONU is a device that connects fiber optic cables to other wiring, such as Ethernet by converting the optical signals to electrical signals and vice versa.