Optical fiber head role and function Straight weld type Fiber Distribution Box, used in FTTH client wiring equipment, optical transmission of the optical network terminal into the heat sealing, spectral, wiring the output, and other functions, can effectively for cable terminating, protection and management, as the necessary equipment in the process of optical network transmission; 12 core with 24 core can share a 24 core box, small and large what is the difference between 24 core, which can find ningbo zhe sunshine communication professional engineers for your detailed introduction products; Zhe sunshine communication: optical fibre box, fiber optic fibre box, optical fiber distribution box, optical fiber corridor boxes, fiber optic light box, optical fiber distribution box straight fuse box, optical fiber, optical fiber welding box, optical fiber network box Optical fiber coupling box advantages: 1 case materials by SMC materials, service life up to 20 years 2 insulation resistance 3 light separator module USES the drawer modular design, strong interchangeability and commonality 4 the design of the double layer structure, the upper for optical instrument wiring layer, the lower for optical fiber welding layer Fiber optic fibre box inspection requirements: 1 Grounding copper column on the little round hole centerline keep parallel with vertical lines. 2 The wire spool assembly process inspection 3 Fasteners shall not loose, the surface can not have mechanical scratches. 4 Fiber optic cable fixed unit assembly process inspection 5 Fasteners shall not loose, the surface can not have mechanical scratches. 6 One plate assembly process inspection 7 Fasteners shall not loose, the surface can not have mechanical scratches. 8 Fasteners shall not loose, the surface can not have mechanical scratches. 9 Keep parallel winding process disk and disk installation panel.