A distribution box, also known as a fiber distribution hub or optical distribution box, is a larger enclosure designed to manage and distribute fiber optic cables to multiple endpoints. It serves as a central point for connecting and organizing numerous fiber optic cables within a. In FTTH, FTTB, and other fiber access networks, terms such as Fiber Optic Termination Box, Fiber Distribution Box (FDB), and ODF (Optical Distribution Frame) are frequently mentioned. These accessories have similar appearances at first glance, and even the same way of use, which is easy to confuse. This article will start from these two. Two such essential components are the terminal box and the distribution box.