For instance, a 1:8 splitter ratio signifies an equal distribution of incoming optical power among eight output ports, with each port receiving 1/8th of the total power. The optical network system uses an optical signal coupled to the branch distribution. 128d 22h 52m 36s left Splitter ratios affect insertion loss and serviceability. When you choose a fiber optic splitter for your application, regardless PLC Fiber Splitter & FBT Fiber Splitter, It is important to check its fiber optic splitter loss table. Splitters are essential when you want one fiber line from a central office (like an ISP's headend or data center) to serve multiple homes or businesses.