OLT-1308S-22 GEPON system (Optical Line Termination, OLT) is located in the operator's central office and different types of ONU (Optical Network Unit, ONU) are located at customer premises for FTTB/H connections. The OLT-1308S-22 is connected by a single fiber to an optical power splitter that supplies the optical signal to as many as 256 sets of ONUs (each OLT PON...