The simplest method of making a mechanical splice is to align two fibers in a small glass tube with a hole just slightly larger than the outside diameter of the fibers. Mechanical splices are used to create permanent joints between two fibers by holding the fibers in an alignment fixture and reducing loss and reflectance with a transparent gel or optical adhesive between the fibers that matches the optical properties of the glass. Thank you for supporting us by viewing our content. Whether in data centers, telecom rooms, or outdoor FTTx deployments, proper splicing inside a fiber enclosure ensures low signal loss, long-term stability, and easy maintenance. This guide explains what fiber cable. This procedure is essential in telecommunication and data communication systems, making it helpful in connecting optical outputs.