ETSI TS 101 271-2013
接入,终端,传输与复用(ATTM).金属接入电缆的接入传输系统.特高速数字用户线系统(VDSL2)[ITU-T建议 G.993.2修订本] 版本1.2.1
Access, Terminals, Transmission and Multiplexing (ATTM); Access transmission systems on metallic access cables; Very High Speed digital subscriber line system (VDSL2) [Recommendation ITU-T G.993.2 modified] (V1.2.1)