Pictured – Openreach''s Future 2.5gbps Ont For Fttp

Laos ONT Optical Network Terminal LPO

An optical line termination (OLT), also called an optical line terminal, is a device which serves as the service provider endpoint of a. It provides two main functions: 1. to perform conversion between the electrical signals used by the service provider's equipment and the signals used by the passive optical network.