General This Recommendation covers digital line systems for the transmission of signals based on the 2048 kbit/s hierarchy on symmetric pair cables and includes systems operating at the following bit rates: 2 048 kbit/s 8 448 kbit/s 34 368 kbit/s The requirement for overall performance and interfaces of the corresponding digital line sections are given in Recommendation G.921.
G.952 SPANISH-1988由ITU-T - International Telecommunication Union/ITU Telcommunication Sector 发布于 1988-11-01,并于 2009-12-10 实施。
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