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¿µ¹® Ç¥Áظí Timing characteristics of telecom boundary clocks and telecom time synchronous clocks for use with full timing support from the network
ÇÑ±Û ³»¿ë¿ä¾à ÀÌ Ç¥ÁØÀº ÅÚ·¹ÄÞ °æ°è Ŭ·°(T-BC; Telecom Boundary Clock) ¹× ÅÚ·¹ÄÞ ½Ã°£ µ¿±â Ŭ·°(T-TSC; Telecom Time Synchronous Clock)ÀÌ ³»ÀåµÈ ³×Æ®¿öÅ© ÀåÄ¡°¡ ´Ù¸¥ T-BC ¶Ç´Â ÅÚ·¹ÄÞ ±×·£µå ¸¶½ºÅÍ (T-GM; Telecom Grandmaster)·ÎºÎÅÍ Å¸À̹ÖÀ» ¼ö½ÅÇÒ ¶§, ³×Æ®¿öÅ©¿¡¼­ À§»ó°ú ½Ã°£ µ¿±â¸¦ ºÐ¹èÇÏ´Â ±Ô°ÝÀ» ±â¼úÇÑ´Ù. ÀÌ Ç¥ÁØÀº ITU-T ±Ç°í¾È G.8275¿¡ Á¤ÀÇµÈ Ç® ŸÀÌ¹Ö Áö¿ø ±¸Á¶ ¹× G.8275.1¿¡ Á¤ÀÇµÈ °ü·Ã ÇÁ·ÎÆÄÀÏ¿¡ ±â¹ÝÇÑ À§»ó/½Ã°£ µ¿±âÈ­ÀÇ ºÐ¹è¿¡¸¸ Àû¿ëµÇ¸ç ÆÐŶ ±â¹Ý ³×Æ®¿öÅ©¿¡¼­ÀÇ ½Ã°£ ¹×/¶Ç´Â À§»ó µ¿±â ºÐ¹è¸¦ Áö¿øÇϱâ À§ÇÑ ³»¿ëÀ» ±â¼úÇÑ´Ù. ¶ÇÇÑ, ³×Æ®¿öÅ© ¿ä¼Ò ³»¿¡¼­ÀÇ T-BC ¹× T-TSC¿¡ ´ëÇÑ ÃÖ¼Ò ¿ä±¸»çÇ×°ú ÀâÀ½ »ý¼º, ÀâÀ½ Çã¿ë, ÀâÀ½ Àü´Þ ¹× °úµµ ÀÀ´ä¿¡ ´ëÇÑ ¿ä±¸»çÇ×À» Á¤ÀÇÇÑ´Ù.
¿µ¹® ³»¿ë¿ä¾à The standard specifies requirements for proper network operation for phase/time synchronization distribution when network equipment embedding a telecom boundary clock (T-BC) and telecom time synchronous clock (T-TSC) is timed from another T-BC or a telecom grandmaster (T-GM). This standard address only the distribution of phase/time synchronization with the full timing support architecture defined in ITU-T G.8275 and the related profile defined in ITU-T G.8275.1 and specifies time and/or phase synchronous distribution for packet-based networks. It also defines the minimum requirements for T-BCs and T-TSCs in network elements and includes noise generation, noise tolerance, noise transfer and transient response for T-BCs and T-TSCs.
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