FDMS Type-III (B) at building premises provides environmental and mechanical protection for the fibre management system that includes the functions of splicing and passive component integration. The unit can be mounted on a wall inside the building / customer’s premises with proper nuts and bolts above ground applications. This has provision for cable termination and sealing requirements. The cover can be easily opened without disturbing the pre-installed cables, fibres and pigtails / patch cords. The system is provided with locking system.