fosc inline closure, Fiber optic splice closure is a horizontal or inline type, 465(L)×180(W)×122(H) mm, 2 inlets and 2 outlets. It belongs to the mechanical pressure seal splice closure system, and it is widely used for the terminations of communication FO cables. The FOSC is suitable for protecting fiber cable splices in straight-through and branching applications. It can be placed in aerial, underground direct buried, wall-mounted and wall-mounted in hole and duct applications.