Not all routers are compatible, so choose one designed for fiber optic use. This router will distribute the high-speed internet throughout your home. In this guide, I'll rank the best routers for fiber internet based on their performance, features, ease of use, and affordability. The router connects to a fiber optic modem or Optical Network Terminal. This comprehensive guide will cover the key concepts related to fiber optic compatibility with routers, including different types of connectors, power requirements, and installation procedures.