Dark Fibre, also known as “unlit fibre”, is fibre optic cable that is installed but not in use. It's called “dark” because it has no light signal passing through it. In this guide, you'll learn what fiber cable actually is, what's inside, how to prep scrap and spools without creating a mess, and which recycling option makes the most sense for a small box vs full pallets. If your cleanup includes mixed telecom gear (cable, patch cords, small devices, rack. If you want to transfer a ton of data within minutes, you can use a fiber optic cable because it transfers it in the form and at the speed of light. As such, you may find yourself with quite a collection. The adoption of fiber optic cables brings numerous environmental advantages, such as their use of silicon dioxide, a naturally occurring compound, and their minimal carbon footprint. However, to ensure sustainable growth, it is crucial to go beyond the initial implementation of fiber optic. Essentially, fiber optic cables are composed of very thin strands of extremely pure glass fibers. Fiber cables come in two main types: Single-Mode Fiber: Designed for long-distance data transmission. A dark fibre or unlit fibre is an unused optical fibre, available for use in fibre-optic communication.