To set up your router for fiber internet quickly, connect the router to your fiber modem, access the router's settings via a web browser, and input the provided ISP credentials. Make sure to update the firmware, configure Wi-Fi security, and customize your network name for. Fiber optic internet is generally installed in the following 5 steps, which we'll dive deeper into throughout the article: A technician checks your area and prepares the connection from the neighborhood fiber network. After a few seconds, a notification will give you a link to open in your browser. Download the Smart Home Manager app from your app store or scan the QR code above with your smartphone. Tip: Control. Fiber to Ethernet media converters adapt between a typical RJ-45 copper Ethernet cable and fiber-optic cable.