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ÇÑ±Û Ç¥Áظí Ç÷º½Ãºí OTN B400G Àå°Å¸® ÀÎÅÍÆäÀ̽º
¿µ¹® Ç¥Áظí Flexible OTN B400G Long-reach Interfaces
ÇÑ±Û ³»¿ë¿ä¾à ÀÌ Ç¥ÁØÀº »óÈ£¿î¿ë °¡´ÉÇÑ FlexO B400G Àå°Å¸® ÀÎÅÍÆäÀ̽ºµéÀÇ ÁýÇÕÀ» ±ÔÁ¤ÇÑ´Ù. ÀÌ Ç¥ÁØÀÇ ¹üÀ§¿¡ ¼ÓÇÏ´Â FlexO-x(e)- ÀÎÅÍÆäÀ̽ºÀÇ Àü¼Û·üÀº 400G(x=4)¿Í 800G(x=8)ÀÌ´Ù. ÀÌ Ç¥ÁØÀº FlexOÀÇ °øÅë ¿ä¼Ò¿Í FEC ±¸Á¶¸¦ À§ÇØ °¢°¢ ITU-T ±Ç°í G.709.1°ú G.709.3À» ÂüÁ¶Çϸ鼭 Àå°Å¸® Àü¼Û¿¡ ÀûÇÕÇϵµ·Ï ³ôÀº ÄÚµù À̵æÀ» °®´Â FEC Äڵ带 »ç¿ëÇÑ ÇÁ·¹ÀÓ ±¸Á¶¸¦ ±ÔÁ¤ÇÑ´Ù. FlexO B400G Àå°Å¸® ÀÎÅÍÆäÀ̽º¿¡ ¿¬°üµÈ ±¤ÇÐ ÆÄ¶ó¹ÌÅÍ´Â ÀÀ¿ë Äڵ忡 ÀÇÇØ Á¦°øµÇ´Âµ¥, ÀÌ´Â ITU-T ±Ç°í G.698.2ÀÇ ÈÄ¼Ó °³Á¤¿¡¼­ ±ÔÁ¤µÉ ¿¹Á¤ÀÌ´Ù.
¿µ¹® ³»¿ë¿ä¾à The standard specifies a set of interoperable FlexO B400G long-reach interfaces. The rates in scope for FlexO-x(e)- interfaces are 400G and 800G(x=4 and 8). The standard specifies the structure using FEC codes with a higher coding gain suitable for longer reach applications, and references common elements and FEC structures from ITU-T Recommendations G.709.1 and G.709.3, respectively. The optical parameters associated with FlexO B400G long-reach interfaces are provided by application codes, which are expected to be specified for 400G and 800G in a future edition of ITU-T Recommendation G.698.2.
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