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Ç¥ÁعøÈ£ TTAE.IE-802.3cp-2021 ±¸Ç¥ÁعøÈ£
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ÇѱÛÇ¥Áظí IEEE ÀÌ´õ³Ý Ç¥ÁØ °³Á¤ 14: ¾ç¹æÇâ 10Gb/s, 25Gb/s ¹× 50 Gb/s ±¤ ¾×¼¼½º ¹°¸®°èÃþ (IEEE Std 802.3cp-2021)
¿µ¹®Ç¥Áظí IEEE Standard for Ethernet Amendment 14: Bidirectional 10 Gb/s, 25 Gb/s and 50 Gb/s Optical Access PHYs (IEEE Std 802.3cp -2021)
Çѱ۳»¿ë¿ä¾à ÀÌ Ç¥ÁØÀº 10Gb/s, 25Gb/s ¹× 50Gb/s ÀÌ´õ³Ý ¾ç¹æÇâ ¹°¸® °èÃþ ¿£Æ¼Æ¼(PHY)¿¡ ´ëÇÑ ÀÏ¹Ý ¿ä°Ç(requirements)À» ¼³¸íÇÑ´Ù. ÀÌ Ç¥ÁØ¿¡¼­´Â PHY¸¦ ´ÙÁß ±â°¡ºñÆ® ÀÌ´õ³Ý BiDi PHY·Î Á¤ÀÇÇÏ°í ÀÖÀ¸¸ç Àü¼Û¹æÇâ¿¡ µû¶ó ÇÏÇâ Àü¼ÛÇÏ´Â OLT(Optical Line Terminal) PHY¿Í »óÇâ Àü¼ÛÇÏ´Â ONU(Optical Network Unit) PHY·Î ±¸ºÐµÈ´Ù.
ÀÌ Ç¥ÁØÀÇ ´ÙÁß ±â°¡ºñÆ® ÀÌ´õ³Ý BiDi PHY´Â 10Gb/s, 25Gb/s ¹× 50Gb/s µ¥ÀÌÅÍ ¼ÓµµÀÇ IEEE 802.3 MAC ºÎ°èÃþÀ» »ç¿ëÇÏ´Â ÀüÀÌÁß µ¿ÀÛÀ¸·Î ±ÔÁ¤ÇÑ´Ù. ÀÌ Ç¥ÁØÀÇ ´ÙÁß ±â°¡ºñÆ® ÀÌ´õ³Ý BiDi PHY´Â ÃÖ¼Ò ÆÐŶ°£ °£°ÝÀÌ 64-octet ±æÀÌ ÇÁ·¹ÀÓ¿¡ ´ëÇØ 6.2¡¿10–10 ¹Ì¸¸ÀÇ ÇÁ·¹ÀÓ ¼Õ½Ç ºñÀ²À» Á¦°øÇÑ´Ù.
¿µ¹®³»¿ë¿ä¾à This clause describes the general requirements for 10 Gb/s, 25 Gb/s, and 50 Gb/s Ethernet bidirectional physical Layer entities (PHYs). Within this clause this family of PHYs is collectively referred to as Multi-Gigabit Ethernet BiDi PHYs. These PHYs are divided into two variants based on the direction of transmission; optical line terminal (OLT) PHYs transmit in the downstream direction and optical network unit (ONU) PHYs transmit in the upstream direction.
All Multi-Gigabit Ethernet BiDi PHYs specified herein use the IEEE 802.3 MAC sublayer operating at a data rate of 10 Gb/s, 25 Gb/s, or 50 Gb/s as appropriate and are defined for full duplex operation only. The Multi-Gigabit Ethernet BiDi PHYs provide a frame loss ratio of less than 6.2 ¡¿ 10–10 for 64-octet frames with minimum interpacket gap.
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