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¿µ¹®Ç¥Áظí Gigabit-capable passive optical networks (GPON): Reach extension
Çѱ۳»¿ë¿ä¾à º» Ç¥ÁØÀº GPON Àü¼Û ¼ö·ÅºÎ °èÃþ¿¡¼­ Á¦°øÇÏ´Â ³í¸®ÀûÀÎ °Å¸®±îÁö È®ÀåÀÌ °¡´ÉÇÏ°Ô ÇÏ´Â GPON °Å¸® È®Àå ¹æ¹ý¿¡ °üÇÑ °ÍÀ̸ç, ¿ø°Ý ³ëµå¿¡¼­ Àü±â¸¦ »ç¿ëÇÏ´Â Mid-span ¹æ¹ýÀ» »ç¿ëÇÏ¿© Àüü ±¤ ÄÉÀÌºí ±æÀÌ¿Í ºÐ±â ¼ö Áõ°¡¸¦ ±ÔÁ¤ÇÑ´Ù. º» Ç¥ÁØÀº ±¤ÁõÆø±â ¹æ½Ä°ú ±¤Àü À纯Á¶ ¹æ½ÄÀ» °í·ÁÇϸç, À̵éÀÇ ±¸Á¶ ¹× ÀÎÅÍÆäÀ̽º°¡ Æ÷ÇԵȴÙ.
¿µ¹®³»¿ë¿ä¾à This standard concerns GPON systems with optical link budgets up to the logical limits of the transmission convergence (TC) layer. The increased optical capability, which includes both increased overall fiber length and increased overall splitting ratio, is referred to in this Recommendation as ¡°reach extension¡±. Two system architectures are considered: Optical amplification, and opto-electronic regeneration. These can be viewed as providing reach extension at the Physical Layer. The key interfaces and functional blocks in each of these architectures are identified and specified.
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