The optical cable splice box is the place where the end of the optical cable is connected, and then connected to the optical switch through the optical fiber jumper, which prevents the aging of materials caused by heat, cold, light, oxygen and microorganisms in nature, and has. The optical cable splice box is the place where the end of the optical cable is connected, and then connected to the optical switch through the optical fiber jumper, which prevents the aging of materials caused by heat, cold, light, oxygen and microorganisms in nature, and has. A splice box (also known as splice distributor) is a housing in which fiber optic cables begin or end. Fiber optics are fanned out in splice boxes that are situated at the end of fiber optic transmission paths. It must be used in the construction of optical cable line engineering. The optical cable connection part, that is, the optical cable joint, is the part where the optical cable joint sheath connects two or more optical cables for protective. Introduction of optical cable splicing box enclosure 1 What is an optical cable splice box? What is an optical cable splice box? Fiber optic splice closures permanently connect two fiber optic cables together and have a splice that protects the components.