SPLITTER :
splitter is a device used to split the cable signal if the signal must be sent to two or more devices. Sparklight technicians might install splitters to activate additional outlets within your home. 
 
PLC splitter, also called Planar Waveguide Circuit splitter, is used to divide one or two light beams to multiple light beams uniformly or combine multiple light beams to one or two light beams. … Fiber PLC splitter provides a low cost light distribution solution with high stability and reliability.
 
Architecture drives costs in FTTH networks, and there are different types: centralized split versus distributed split, star versus daisy-chain, and all-spliced versus hardened connectivity.