An optical splitter is a crucial passive fiber optic device that splits and combines optical signals. Its primary role is in Passive Optical Networks (PON), which are the foundation of. Modern fiber optic networks require a simple, cost effective method to connect numerous users without the need to install powered equipment at every location. For example, in a FTTH network, a single fiber from the telecom provider can serve 32 homes using a 1:32 splitter. many aspects of a Fiber to the X (FTTx) network. conversations and confusion in the industry. A “splitter” is a power splitter. By dividing a single optical signal from a central Optical Line Terminal (OLT) into multiple outputs for Optical Network.