Does fiber optic cable require a switch or router

Fiber optic cables should connect first to an Optical Network Terminal (ONT), which then connects to a router; switches are used downstream for additional device connections.Fiber Connection OverviewFiber optic cables do not connect directly to standard routers or switches because the optical signal must first be converted into an electrical signal. This conversion is performed by an Optical Network Terminal (ONT), typically provided by your ISP, which serves as the demarcation point between the fiber network and your home or business network . The ONT receives the fiber signal and outputs data via an Ethernet port.Router ConnectionAfter the ONT converts the signal, an Ethernet cable connects the ONT to the router's WAN port. The router then manages your local network, providing IP addresses, NAT, firewall protection, and Wi-Fi access . This setup ensures that all devices connected to the router, either wired or wireless, can access the internet at full fiber speeds.Switch ConnectionA network switch is used to expand the number of wired connections in your network. It connects to the router via an Ethernet port, not directly to the fiber cable. Devices plugged into the switch can communicate with the router and access the internet, but the switch itself does not handle the fiber signal conversion .SummaryFiber cable → ONT → Router → Switch (optional) → DevicesThe ONT is mandatory for converting optical signals to electrical signals.The router handles network management and internet access.Switches are optional and only extend wired connectivity within the local network. This configuration ensures optimal performance, low latency, and full utilization of fiber internet speeds while maintaining proper network management and device connectivity .