The Fiber Distribution Box serves as a termination point for the feeder cable to connect with drop cables in FTTx communication network systems. It facilitates fiber splicing, splitting, and distribution while providing robust protection and efficient management for FTTx network. Fiber Distribution Hub (FDH): FDH closures are used in fiber-to-the-home (FTTH) networks to distribute fiber optic connections to multiple households. They often include a splitter for signal distribution. What is a Fiber Termination Box in Optical Networks? In a passive. A Fiber Optic Termination Box is a small enclosure located at the terminal end of the fiber where it enters your customer premises. With its sturdy construction and multiple ports, it efficiently manages and distributes optical signals.