A fiber optic port is a physical interface used to connect fiber optic cables to electronic devices, such as routers, switches, and modems. Compatible router: Verify that your router supports fiber optic input (look for an SFP or WAN port labeled. Fiber optic technology represents a revolutionary advancement in connectivity, transmitting data via pulses of light through thin strands of glass or plastic fibers. This method enables significantly faster speeds and greater stability compared to traditional copper-based connections. Drop cables provide the final connection between the main fiber network and splices, MSTs, and slack storage.