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ÇѱÛÇ¥Áظí Á¾ÇÕÁ¤º¸Åë½Å¸Á(ISDN) »ç¿ëÀÚ-¸Á ÀÎÅÍÆäÀ̽º µ¥ÀÌÅÍ ¸µÅ© °èÃþ
¿µ¹®Ç¥Áظí Data Link Layer of the Integrated Services Digital Network(ISDN) User-Network Interface
Çѱ۳»¿ë¿ä¾à ÁÖ¿ä ³»¿ëÀ¸·Î´Â ISDN »ç¿ëÀÚ¿Í ¸Á»çÀÌÀÇ ÀÎÅÍÆäÀ̽ºÀÇ µ¥ÀÌÅÍ ¸µÅ©°èÃþ ±Ô°ÝÀ» Æ÷ÇÔÇÑ´Ù. ÀÌ Ç¥ÁØÀº D-ä³Î¿¡¼­ÀÇ ¸µÅ© ¾×¼¼½º ÀýÂ÷ (LAPD)ÀÇ ¿Ã¹Ù¸¥ µ¿ÀÛÀ» À§ÇÑ ÀýÂ÷¿Í ÇÁ·¹ÀÓ±¸Á¶,ÀýÂ÷ÀÇ ¿ä¼Ò,ÇʵåÆ÷¸ËÀ» ±â¼úÇÑ´Ù. °³³ä, ¿ë¾î, LAPD±â´ÉÀÇ °³¶ô ±â¼ú ¹× ÀýÂ÷µé°ú ´Ù¸¥ ±Ç°íµé°úÀÇ °ü°è´Â Ç¥ÁØ Q.920¿¡ ±â¼úµÇ¾î ÀÖ´Ù.
¿µ¹®³»¿ë¿ä¾à This standard includes data link layer standard of interface between ISDN user and network. This standard describe LADP procedure, frame structure, procedure element, field format in D-channel for correct operation. The concepts,terminology, LAPD function and the relationship with other recommendation are described at Q.920.
±¹Á¦Ç¥ÁØ ITU-T Q.921
°ü·ÃÆÄÀÏ TTAS_IT-Q921_R1_[1].zip TTAS_IT-Q921_R1_[1].zip            
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Á¦Á¤ 1991-11-15 TTAS.IT-Q921
°³Á¤ 2005-06-29 TTAS.IT-Q921/R1

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