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¿µ¹®Ç¥Áظí PRIMARY RATE USER-NETWORKINTERFACE ? LAYER 1 SPECIFICATION
Çѱ۳»¿ë¿ä¾à º» Ç¥ÁØÀº 1 Â÷±º »ç¿ëÀÚ-¸Á°£ Á¢¼ÓÀ» ±ÔÁ¤ÇÏ´Â °èÃþ 1 ¿¡ ´ëÇÏ¿© ±â¼úÇÏ´Â ±Ô°ÝÀÌ´Ù. ÀÌ´Â Çù´ë¿ªISDN¿¡¼­ 1.544 Mbps ¶Ç´Â 2.048 Mbps ¼Óµµ°¡ »ç¿ëÀÚ°¡ ¸Á¿¡ Á¢¼ÓÇϱâ À§ÇÑ ¹°¸®ÀûÀÎ Á¢¼ÓÀ» À§ÇØ »ç¿ëµÈ´Ù.
¿µ¹®³»¿ë¿ä¾à This standard is concerned with the layer 1 electrical, format and channel usage characteristics of the primary rate user-network interface at the S and T reference points. This specification is applicable to user-network interfaces at 1544 kbit/s and 2048 kbit/s primary rates for ISDN channel arrangements.
±¹Á¦Ç¥ÁØ ITU-T I.431
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