Yes, a router can work with fiber optic internet. The router connects to a fiber. This morning my ISP upgraded my Internet connection from a standard coaxial cable and Cisco modem to a fiber optic cable and Hitron modem Model Name NOVA-2004. Despite multiple attempts, the Archer AX6000 v1. Compatible router: Verify that your router supports fiber optic input (look for an SFP or WAN port labeled. This conversion happens either through an Optical Network Terminal (ONT) or directly via specialized router ports. When determining compatibility, it is essential to ensure that the router has a sufficient power supply to support the fiber. Yes, you can often use your existing router with fiber optic internet, but there are crucial considerations. This guide will break down everything you.