Defining 1 olt

An OLT (Optical Line Terminal) is a device used in a passive optical network (PON) that serves as the service provider's endpoint. It connects the optical fiber network to the internet backbone and manages the optical network units (ONUs) or optical network terminals (ONTs) at the customer premises.

"1 OLT" typically refers to a single Optical Line Terminal device, which can support multiple PON ports, each connecting to a splitter that then distributes the signal to many ONUs/ONTs.