Fiber Optic Cross Connect Cabinet is the equipment for outdoor optical fiber distribution at the node of the main optical cable and the distribution optical cable in the outdoor optical cable access network. It can realize the functions of direct through, disk storage, fusion and dispatching of optical fiber. The optical fiber cable junction box is an outdoor connection equipment, and the most fundamental requirement is to withstand the changing climate and the bad working environment. It should have the characteristics of water-proof gas condensation, waterproof and dust-proof, insect and rat damage, and strong anti impact damage ability.