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Ç¥ÁعøÈ£ TTAE.IT-G.984.6/R1 ±¸Ç¥ÁعøÈ£
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ÇѱÛÇ¥ÁØ¸í ±â°¡ºñÆ® ¼öµ¿Çü ±¤Åë½Å¸Á(GPON): °Å¸®È®Àå
¿µ¹®Ç¥Áظí Gigabit-capable Passive Optical Networks (GPON): Reach extension
Çѱ۳»¿ë¿ä¾à º» Ç¥ÁØÀº ±â°¡ºñÆ® ¼öµ¿Çü ±¤ ¸Á(GPON, Gigabit-capable Passive Optical Network) Àü¼Û ¼ö·Å ºÎ °èÃþ¿¡¼­ Á¦°øÇÏ´Â ³í¸®ÀûÀÎ °Å¸®±îÁö È®Àå °¡´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. ¶ÇÇÑ º» Ç¥ÁØÀº ¹ö½ºÆ® ¸ðµå(BM, Burst Mode)ÀÇ ¿¬¼Ó ¸ðµå(CM, Continuous Mode) º¯È¯ ±â´ÉÀ» Áö¿øÇÏ´Â ±¤-Àü-±¤(OEO, Optical-Electrical-Optical) ÄÁ¹öÅÍ Å¸ÀÔÀÇ °Å¸® È®Àå ÀåÄ¡¸¦ Æ÷ÇÔÇϸç, ÆÄÀå º¯È¯ ±â´ÉÀ» Áö¿øÇÏ´Â ±¤ÁõÆø±â(OA, Optical Amplifier)¿Í ±¤-Àü-±¤(OEO, Optical-Electrical-Optical) ŸÀÔ °Å¸® È®Àå ÀåÄ¡¸¦ Æ÷ÇÔÇÑ´Ù.
¿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.
This standard includes an optical electrical optical converter (OEO) type reach extender (RE) units may support a burst mode (BM) to continuous mode (CM) conversion function, it is also necessary to introduce a CM to BM conversion function before the S/R interface at the OLT. Optionally, both optical amplifier (OA) and OEO type RE units may support the WC function.
±¹Á¦Ç¥ÁØ ITU-T G.984.6
°ü·ÃÆÄÀÏ TTAE.IT-G.984.6_R1.pdf TTAE.IT-G.984.6_R1.pdf            

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