The bend insensitive fiber with 20/10D min. The Riser (OFNR) outer jacket is fire resistant and low smoke to minimize damage. The experience with the installation and operation of single-mode fibre and cable-based networks is huge and Recommendation ITU-T G. 652, which describes its characteristics, has been adapted to this experience. Nevertheless, the specific use in an optical access network puts different demands on. We make bend insensitive fiber (BIF) cables with Bend-Insensitive Single mode Fiber (BISMF) and Bend-Insensitive Multimode Fiber (BIMMF), Standard products and Custom design available. The International Telecommunication Union (ITU). A systematic approach to make this assessment, called Mechanical Ingress Chemical/Climatic Electromagnetic (M. ), is described in TIA-1005A and other standards ANSI/TIA-568-C. 0, ODVA, ISO/IEC24702 and CENELEC EN50173-3. 2 in) and be directly stapled. Bending losses are a function of the fiber type (SM or MM), fiber design (core diameter and NA), transmission wavelength (longer wavelengths are more sensitive to stress) and cable design. In 2007, a new type of "bend-insensitive" singlemode fiber was introduced, followed by multimode fiber in. Bend-insensitive single mode fibres (ITU-T G.