This part of IEC 60793-2 is applicable to optical fibre categories A4a, A4b, A4c, A4d, A4e, A4f, A4g and A4h. These fibres have a plastic core and plastic cladding and may have stepindex, multi-step index, or graded-index profiles. The fibres are used in information transmission equipment and optical fibre cables. support for short reach high bit-rate systems in telephony, distribution and local networks, carrying data, voice and/or video services and on-premises intrabuilding and interbuilding fibre installations, including LANs, PBXs, video, various multiplexing uses, and miscellaneous related uses, such as consumer electronics and industrial and mobile networks. Informative Annex J shows typical characteristics and requirements for some buffered A4 fibres. The actual requirements are specified in the buffered fibre document IEC 60794-2-41. Copyright InternationalThree types of requirements apply to A4 fibres: ? general requirements, as defined in IEC 60793-2; ? specific requirements common to category A4 multimode fibres covered in this standard and that are given in Clause 3; ? particular requirements applicable to individual fibre types or specific applications and that are defined in this standard in the normative family specification annexes.
IEC 60793-2-40-2006由国际电工委员会 IX-IEC 发布于 2006-03。
IEC 60793-2-40-2006 在中国标准分类中归属于: M33 光通信设备,在国际标准分类中归属于: 33.180.10 光纤和光缆。
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