The short answer is no - RJ45 connectors are designed for electrical Ethernet signals, while fiber optics transmit light pulses through glass or plastic. However, modern networks often combine both technologies. The good news: you can bridge them easily using the right hardware, such as media. When connecting fiber optic, the first step is to check for a suitable connection in your area. Then, a fiber optic cable is installed up to the meter cupboard. In this guide, we'll explain router compatibility, setup steps and whether upgrading your router is necessary to maximize fiber speeds. 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.
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