Access, Terminals, Transmission and Multiplexing (ATTM); Access transmission system on metallic access cables; Symmetric single pair high bitrate Digital Subscriber Line (SDSL); [ITU-T Recommendation G.991.2 (2005), modified]
接入、终端、传输和多路复用(ATTM);金属接入电缆上的接入传输系统;对称单对高速数字用户线;[ITU-T建议G.991.2(2005) 修改]
Combine the 2 parts of TS 101 524 V1.1.1 into one document. Clarification of some issues which are: test sequence, test loop length, number of test cases, regenerator, power back-off, RFI Ingress and definition of TC-layer application dependent annexes.