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Ç¥ÁعøÈ£ TTAE.IT-G.709/R4 ±¸Ç¥ÁعøÈ£
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¿µ¹®Ç¥Áظí Interfaces for the Optical Transport Network
Çѱ۳»¿ë¿ä¾à ÀÌ Ç¥ÁØÀº ±¤ Àü´Þ¸Á ÀÎÅÍÆäÀ̽º ±¸Á¶¿Í ´Ù¾çÇÑ Å¬¶óÀ̾ðÆ® ½ÅÈ£¸¦ ±¤ Àü´Þ¸ÁÀ» ÅëÇØ Àü¼ÛÇϱâ À§ÇÑ ½ÅÈ£ ¸ÅÇιæ¹ý°ú ´ÙÁßÈ­/¿ª´ÙÁßÈ­ ¹æ¹ýÀ» ±ÔÁ¤ÇÑ´Ù. ¶ÇÇÑ ±¤ Àü´Þ¸Á¿¡¼­ »ç¿ëµÇ´Â OTUk/ODUk/OPUk ½ÅÈ£ÀÇ Àü¼Û¼Óµµ, ÇÁ·¹ÀÓ ±¸Á¶, ¿À¹öÇìµå, FEC ¹æ½Ä°ú Á¾¼Ó½ÅÈ£ÀÇ ´ÙÁßÈ­/¿ª´ÙÁßÈ­ ¹æ¹ý, ¸ÅÇιæ¹ý ¹× »óÈ£ ¿¬µ¿¼ºÀ» º¸ÀåÇϱâ À§ÇÑ ±Ô°ÝµéÀ» ±ÔÁ¤ÇÑ´Ù. ÀÌ Ç¥ÁØÀº G.709¹öÀü 6.3À̸ç OTUk, k=0, 25, 50, Cn¿¡ ´ëÇÑ ±Ô°ÝÀ» Ãß°¡ÇÏ¿´´Ù.
¿µ¹®³»¿ë¿ä¾à The standard specifies optical transport network structure, client signal mapping types, multiplexing and demultiplexing method to transport the various client signals over the optical transport network. This standard defines bit-rate, frame structures and overhead structures of OTUk/ODUk/OPUk signals and FEC types.
Edition 6.3 of this Recommendation adds specifications for OTUk, k=0, references to specific bit patterns that may appear in Status and Payload Type overhead fields during the presence of the FlexO Squelch text pattern [ITU-T G.709.1], a clarification of the ODU Locked maintenance signal and an enhancement of the introductory text in Annex L.
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°ü·ÃÆÄÀÏ TTAE.IT-G.709R4.pdf TTAE.IT-G.709R4.pdf            

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