Cut a 60mm x 40mm hole in drywall using a template. Secure the box with screws (ensure depth ≥40mm). Run incoming fiber cable through the box's entry port. Attach faceplate. A fiber wall socket (also called an optical termination outlet or FTTH outlet) is the critical endpoint where your home's fiber optic cable connects to the Optical Network Terminal (ONT). While ISPs often handle this, DIY installation can save time and money—if done correctly. Fiber optic cables carry invisible laser light. For telecom installers, broadband technicians and network managers, a properly installed FTTH wall box is the core of a reliable indoor fiber optic network. It houses fiber terminations, splices and connectors, protecting delicate fiber cables and ensuring seamless signal transmission for. Whether you're a tech enthusiast eager to boost your home's connectivity or a novice simply looking at how to install fiber optics and modernise your internet setup, this guide will walk you through the process with ease.