Fasten mounting screws to secure the box (avoid over-tightening plastic enclosures). Route cables: Feed the outdoor fiber drop through a grommet-sealed entry port, leave a 10-15cm service loop inside the box, and secure the cable with internal clips. A fiber termination box is the standard instrument used in fiber optic networks to connect, secure, and protect optical fibers at the terminating point. It functions as a junction between the incoming fiber cable and the outgoing customer-side fiber cable, where one fiber can be spliced, patched. A Fiber Termination Box, also known as a Fiber Distribution Box, is a crucial component in fiber optic networks. The following steps provide a detailed installation guide for fiber termination boxes: Before starting the installation, you will need the.