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Ç¥ÁعøÈ£ [ÆóÁö] TTAE.IT-G984.5 ±¸Ç¥ÁعøÈ£
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ÇѱÛÇ¥ÁØ¸í ±â°¡ºñÆ® ¼öµ¿ ±¤Åë½Å¸Á(GPON): È®Àå ´ë¿ª
¿µ¹®Ç¥Áظí Gigabit-capable Passive Optical Networks(GPON): Enhancement band
Çѱ۳»¿ë¿ä¾à º» Ç¥ÁØÀº ÆÄÀå ÇÒ´çÀÌ ITU-T G.983.3À» ±â¹ÝÀ¸·Î ÇÑ ¹Ì·¡ PON¿¡¼­ WDMÀ» ÅëÇØ ¿À¹ö·¹ÀÌ(Overlay)Çϱâ À§ÇØ ºÎ°¡ ¼­ºñ½º ½ÅÈ£¿¡ ´ëÇÏ¿© Ãß°¡Àû ÆÄÀå ¹üÀ§¸¦ ±ÔÁ¤ÇÑ´Ù.
º» Ç¥ÁØÀº ´ÙÀ½ÀÇ ³»¿ëÀ» Á¤ÀÇÇÏ°í Á¦°øÇÑ´Ù.
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 PON ONU¿¡¼­ X/S ¿ÀÂ÷ Çã¿ëµµ(tolerance)
 OLT¿¡¼­ GPON »ó/ÇÏÇâ ÆÄÀå°ú È®´ë ÆÄÀåÀ» ºÐ¸®¿Í Á¶ÇÕÇÏ´Â WDMÇÊÅÍ¿¡ ´ëÇÑ ÆĶó¹ÌÅÍ Á¤ÀÇ
 NGA(Next Generation Access) ¼­ºñ½º¿Í ºñµð¿À ¼­ºñ½º¸¦ À§ÇÑ ÆÄÀå ÇÒ´ç ¿¹Á¦
¿µ¹®³»¿ë¿ä¾à This standard defines further wavelength ranges reserved for additional service signals to be overlaid via WDM in future PONs whose wavelength allocations are based on ITU-T recommendation G.983.3.
For this purpose, this recommendation defines and provides;
 Wavelength ranges to be reserved, and
 X/S tolerance in PON optical network units (ONUs).
Appendices I and II of this recommendation provide;
 Sample parameters of a discrete WDM filter that combines and isolates the G-PON up/down signals and enhancement bands at the OLT side.
 Examples of wavelength allocation for NGA services and video distribution services.
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°ü·ÃÆÄÀÏ TTAE.IT-G984.5_2010-1136.pdf
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