What is passive optical local area network (POL) with example

POL or passive optical local area network is an inexpensive solution to connect different devices to the internet. POL was first time introduced in 1987 by British Telecommunications. There are 3 major components of POL that are:- Optical Line Terminal (OLT)Optical SplitterOptical Network Terminal (ONT) POLAN OLT or optical line terminal is placed in main exchange i.e. at ISP office. OLT is connected to the optical splitter through [...]