Yes, you can often use your existing router with fiber optic internet, but there are crucial considerations. Understanding compatibility, potential limitations, and when an upgrade is necessary will ensure you get the most out of your high-speed connection. 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. Compatible router: Verify that your router supports fiber optic input (look for an SFP or WAN port labeled. Are you a Network Operator or ISP? We provide bulk fiber patch cords, ONTs, and pre-terminated cables for large-scale FTTH deployments. org/wiki/Network_interface_device#Optical_network_terminals Some ISP's use ONT's that have integrated routers - its easier for THEM but it gives them more control over. Fiber optic connectors are used to connect two fiber optic cables or a cable to a device, such as a router or a switch. There are several types of connectors, including LC, SC, and ST. For instance, LC. The answer is actually no—fiber optic equipment differs significantly from cable setups. Once you understand the basic concepts, you can check out my Recommended Equipment section toward the bottom of the.