The box should have sufficient capacity to accommodate the expected volume of optical cables while being compatible with the specific network infrastructure requirements. Additionally, it's important to determine whether an indoor or outdoor box is more suitable for the. The fiber distribution box, a crucial component in optical fiber networks, serves a dual purpose of managing and protecting optical fibers while facilitating their efficient distribution. A fiber distribution box (FDB) is a passive enclosure that provides secure splicing, termination, and distribution of optical fibers. Firstly, capacity and compatibility are essential factors to evaluate. Its primary function is to provide safe and reliable connection, distribution, and.