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Ç¥ÁعøÈ£ TTAE.IT-G.697/R2 ±¸ Ç¥ÁعøÈ£
Á¦°³Á¤ÀÏ 2017-12-13 ÃÑ ÆäÀÌÁö 42
ÇÑ±Û Ç¥Áظí DWDM ½Ã½ºÅÛ¿ë ±¤ÇÐ °¨½Ã
¿µ¹® Ç¥Áظí Optical monitoring for DWDM systems
ÇÑ±Û ³»¿ë¿ä¾à º» Ç¥ÁØÀº DWDM(Dense Wavelength Division Multiplexing) ½Ã½ºÅÛ¿¡¼­ ¾Æ·¡¿Í °°Àº ±â´ÉÀ» ¼öÇàÇϱâ À§ÇØ ÇÊ¿äÇÑ ±¤ÇÐ °¨½Ã ±â´É(optical monitoring, OM)À» Á¤ÀÇÇÑ´Ù.
- ½Ã½ºÅÛ ¹× ä³Î Ȱ¼ºÈ­¸¦ À§ÇÑ ±¸¼º °ü¸®, »õ·Î¿î ä³Î Ãß°¡ µî.
- Àå¾Ö °ËÃâ ¹× ºÐ¸®Çϱâ À§ÇÑ Àå¾Ö °ü¸®;
- ½Ã½ºÅÛ ¿À·ù ¹ß»ýÀü¿¡ Àå¾ÖÀ» °¨ÁöÇϱâ À§ÇÑ Áö¼ÓÀûÀÎ ¼º´É ÀúÇÏ °ü¸®
DWDM ±â¼úÀº ºü¸£°Ô Çâ»óµÇ¾î ä³Î ¼ö, ä³Î ¼Óµµ ¹× Àü¼Û ¹üÀ§°¡ Áö¼ÓÀûÀ¸·Î È®ÀåµÇ°í ÀÖÀ¸¸ç. ƯÈ÷, Àå°Å¸® DWDM ½Ã½ºÅÛÀº ¿©·¯ ±¸°£À» Àü±¤ º¯È¯À» ÇÏÁö¾Ê°í ¼öõ ų·Î¹ÌÅͱîÁö ±¤½ÅÈ£¸¦ Àü¼ÛÇÒ ¼ö ÀÖ´Ù. ÀÌ·¯ÇÑ DWDM ±â¼ú ¹ß´Þ Ãß¼¼¿¡ µû¶ó ±¤ÇÐ °¨½Ã°¡ Áß¿äÇØÁö°í ÀÖÀ¸¸ç DWDM ½Ã½ºÅÛ¿¡¼­ ±× Á߿伺ÀÌ °­Á¶µÇ°í ÀÖ´Ù. º» Ç¥ÁØÀº 10Gb/s, 40Gbit/s ¹× 100Gbit/s ½ÅÈ£¿¡ ´ëÇÑ ±¤ÇÐ °¨½Ã¿¡ ´ëÇÑ Á¤º¸¸¦ Á¦°øÇÏ°í ±¤ ½ÅÈ£´ë ÀâÀ½ºñ(OSNR) ÃøÁ¤ Àý¿¡ ºñÆ® ÀâÀ½ ¹æ½ÄÀ» Ãß°¡ÇÏ¿´À¸¸ç, º¸¾È °í·Á »çÇ׿¡ ´ëÇÑ »õ·Î¿î ÀýÀ» ¼Ò°³ÇÏ¿´´Ù.
¿µ¹® ³»¿ë¿ä¾à The standard defines optical monitoring (OM) that can help in dense wavelength division multiplexing (DWDM) systems to perform the following activities:
? configuration management for system and channel activation, addition of new channels, etc.;
? fault management to detect and to isolate faults;
? degradation management in order to keep the system running and to detect
degradations before a fault occurs.
DWDM technology is improving at a rapid pace, continuously stretching the channel count, channel speeds and reach limits. Long-haul multi-span DWDM systems are capable of taking optical signals thousands of kilometres without electrical terminations or regeneration.
This continuing trend is driving the increasing importance of OM, which is the subject of this Recommendation.
This edition of this Recommendation provides additional information on OM for 40 Gbit/s and 100 Gbit/s signals, adds beat noise method to the clause for optical signal-to-noise ratio (OSNR) measurements, and introduces a new clause on security considerations.
°ü·Ã IPR È®¾à¼­ Á¢¼öµÈ IPR È®¾à¼­ ¾øÀ½
°ü·ÃÆÄÀÏ    TTAE.IT-G.697_R2.pdf TTAE.IT-G.697_R2.pdf
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