The optical line terminal features high QOS and flexible dynamic bandwidth allocation, it can implement any change from 1M to 1G access bandwidth. Find the perfect Optical Line Terminal solutions for your network needs. It provides two main functions: to perform conversion between the electrical signals used by the service provider's equipment and the. Our Optical Line Terminal (OLT) is the central controller of any Passive Optical Network—efficiently managing data, voice, and video across multiple ONUs/ONTs. Built for speed, reliability, and growth, it sets the standard for high-performance fiber delivery. 14 products SY-GPON-16OLT SY-GPON-8OLT. A gigabit passive optical network (G-PON) comprises optical line terminals (OLTs) and optical network units (ONUs), and Murata's lineup of products for use in OLTs is introduced here.