Norden is the leading HIGH-DENSITY FIBER OPTIC DISTRIBUTION FRAME,ODF SUB-RACK manufacturer and supplier in Africa. Unique 1 ~ 2 into cable mouth and 1~48 core out fine mouth design 3. Box stack turn the page type. Optical Fiber Distribution Frame System (ODF) by Application (Residential Areas, Concentrated Buildings, Homes And Offices, Other), by Types (Separate Melting And Matching Type, Integrated Melting And Matching Type), by North America (United States, Canada, Mexico), by South America (Brazil. ODF is used in the terminal access link of FTTH system. It is a device that splices, distributes, and splits optical fibers and provides protection and management of optical fibers.