What splitter type is best for FTTH today? PLC splitters are the preferred choice for modern FTTH networks. Is a higher split ratio always better? No. Are Mini-SC splitters reliable? Yes, when used in sealed, pre-terminated. This guide covers what optical fiber splitters are, the main types of optical fiber splitters you should know about, how to pick the right one, and how to install and maintain it properly. In this guide, you'll learn how fiber splitters function in PON networks, the difference between PLC and FBT types, and how to choose the best. A fiber optic splitter is a passive optical component that divides a single incoming optical signal into two or more outgoing signals, or combines multiple incoming signals into one. Unlike active devices (which require power), splitters operate without electricity, relying solely on the physics of. A fiber broadband provider typically determines and overall split ratio for the network, such as 1x32 or 1x64, and uses combinations of splitters to meet that ratio with each PON port. 1x32 splits were common in North America for G-PON architectures. This enables simultaneous transmission without compromising signal quality or speed.