Fiber optic cables cannot directly connect to the router. However, the router can work with a fiber optic modem. Next, connect your computer to your router's default Wi-Fi network (check the nameplate at the bottom of the router for the default Wi-Fi name, no. Here is the topic's answer before we get into the details: yes, you can absolutely use a normal router with a fiber optic internet connection. In fact, the overwhelming majority of fiber internet customers around the world do exactly that — they keep using a standard Wi-Fi router they already own. To connect your fiber optic cable to a router, ensure you have the following: Fiber optic modem (ONT): Most fiber connections require an Optical Network Terminal (ONT), provided by your ISP. The fiber line terminates at the Optical Network Terminal (ONT), which is typically supplied and installed by the internet service provider. This specialized equipment serves as the.