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¿µ¹®Ç¥Áظí Test Methods for Installed Single-mode Optical Fibre Cable Links
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±Ç°í¾È ITU-T G.650.3(2017)Àº ºÎ·Ï IV¿¡¼­ Áؾç¹æÇâ ±â¼ú ±â¹Ý ½ºÇöóÀ̽º ¼Õ½Ç ÃøÁ¤ Á¤º¸ Á¦°øÀ» ¼Ò°³ÇÑ´Ù. ITU-T G.650.3(2008)ÀÇ °³Á¤¾È 1·Î ¹ßÇ¥µÈ ±âÆ÷¼³µÈ ±¤¸µÅ©¿¡ ´ëÇÑ ½ºÇöóÀ̽º ¼Õ½Ç°ú ¸ÅÅ©·Î º¥µù ¼Õ½Ç ±¸ºÐ ¹æ¹ýµµ ÀÌ Ç¥ÁØÀÇ ºÎ·Ï III¿¡ Æ÷ÇԵǾî ÀÖ´Ù.
¿µ¹®³»¿ë¿ä¾à Standard TTAE.IT-G.650.3/R1 outlines the tests normally carried out on installed single-mode optical fibre cable links. It includes a collection of references to the main measurement methods and gives an indication of which are most suitable for installed cable links, depending on the required inspection level. Optical fibre cable links are comprised of multiple cable sections, splices and other connections. This term is more completely defined in this standard.
This standard uses a tiered approach. The first level indicates measurements that are normally carried out to commission new optical fibre cable links. The second level indicates measurements that may be carried out to satisfy service level agreements (e.g., when a dark fibre contract is signed) or to verify attributes of older links that may be used at higher bit rates or over extended wavelength ranges.
Standard TTAE.IT-G.650.3/R1 introduces the provision of information of splice loss measurement based on the quasi-bidirectional technique in Appendix IV.
The method for differentiating splice loss and macro bending loss in installed links, which was issued as TTAE.IT-G.650, is also included as Appendix III.
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