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Ç¥ÁعøÈ£ | [ÆóÁö] TTAE.IT-G984.5 | ±¸Ç¥ÁعøÈ£ | |||||||||
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Á¦°³Á¤ÀÏ | 2010-12-23 | ÃÑÆäÀÌÁö | 27 | ||||||||
ÇѱÛÇ¥Áظí | ±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. ¿¹¾àµÉ ÆÄÀå¹üÀ§ 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¦ |
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¿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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