GEPON (Gigabit Ethernet Passive Optical Network) is a fiber access technology for point-to-multipoint applications using a single fiber. It consists of an Optical Line Terminal (OLT), Optical Network Units (ONUs), a passive optical splitter, and optical distribution networks. GEPON uses different wavelengths (1490nm downstream, 1310nm upstream) over the single fiber for transmitting and receiving data between the OLT and multiple ONUs. It offers symmetrical bandwidth up to 1Gbps over transmission lengths of 10-20km while supporting data, voice, and video delivery to end users.