ETSI TS 101 388-2007
接入终端的传输和复用(ATTM).金属接入电缆上的接入传输系统.非对称数字用户线(ADSL)-欧洲特殊要求[ITU-T建议G.992.1修正本](版本1.4.1)
Access Terminals Transmission and Multiplexing (ATTM); Access transmission systems on metallic access cables; Asymmetric Digital Subscriber Line (ADSL) - European specific requirements [ITU-T Recommendation G.992.1 modified] (V1.4.1)