Fiber optic internet offers incredible speed and reliability. You'll typically need an Optical Network Terminal (ONT) provided by your installer, an Ethernet cable to connect the ONT to your router, and your own high-performance router. For the best performance, you'll want at least Cat5e or Cat6 Ethernet cables. These support gigabit. Key Features: Modern ONTs often include Ethernet ports, support for multiple devices, and compatibility with various internet speeds. However, setting up fiber optic internet. Fiber optic cables are the critical infrastructure that delivers high-speed internet directly to your home. They're made of ultra-thin glass or plastic fibers.