ITU-T Recommendation Q.50 (07/2001), Signalling between Circuit Multiplication Equipment (CME) and International Switching Centres (ISC) In clause B.2 "Physical level of interface", correct the third paragraph as follows: Since the connected ISC has only 2 Mbit/s interfaces, Time Slot (TS) 16 of these 2 Mbit/s PCM-systems is used in the manner described in 3.3.3.2.25.1.3.2.2/G.704. (In principle, any other physical interface with 2 × 2 bits is suitable for the forward and backward directions.)
ITU-T Q.50 NOTE FRENCH-2006由国际电信联盟 IX-ITU 发布于 2006-08-24。
ITU-T Q.50 NOTE FRENCH-2006 在中国标准分类中归属于: M42 通信线路设备。
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