Fiber optic cabling serves various functions, including voice, data, and video transmission. The role of a Fiber Optics Installer entails the installation, preparation, and resolution of issues related to fiber optic cables and systems. This includes tasks such as setting up and configuring fiber optic networks, ensuring proper cable placement, and conducting troubleshooting and maintenance activities to ensure optimal performance of the systems. They are responsible for designing optical paths and passive optical networks.