The application scenario of the ADTEK Terminal Box (TB) is similar to that of the traditional Access Terminal Box (ATB ), but it provides more functions. It has the functions of ATB, such as fusion splicing of optical fibers and pigtails, and connecting optical connectors, provides demarcation between the OSP fiber drop and customer fiber drop. It also provides slack optical fiber cable storage, mechanical protection and environmental protection of the optical fiber and Optical Network Teminal (ONT), and enable copper cable connection from ONT to indoor interconnection equipment. In some regions, the TB is also known as NID box.