11，ANSI T1.413－1995. Network and Customers Installation Interfaces －Asymmetric Digital Subscriber Line (ADSL) Metallic Interface, American National Standardfor Telecommunication
22，ANSI T1E1.4/97－007R6. Technical Report － Standards Project for Interfaces Relatingto Carrier to Customer Connection of ADSL Equipment － T1.413 Issue 2, 1997
33，ADSL Forum TR－001. Technical Report －System Reference Model, 1996
44，ITU－T G.992.1. Transmission System and Media － Asymmetric Digital Subscriber Line(ADSL) Transceivers, 1999
55，ITU－T G.992.2. Transmission System and Media － Splitterless Asymmetric DigitalSubscriber Line (ADSL) Transceivers, 1999
66,YDN078－1998.接入网技术要求－不对称数字用户线（ADSL）,邮电部技术规定
77，ANSI T1E1.4/96－293R1. Technical Report － Network－to－Customer InstallationInterfaces－ Carrierless AM/PM (CAP) Rate Adaptive Digital Subscriber Line (RADSL)Metallic Interface,1996
88，ADSL Forum 97－215. Technical Report － An Interoperable End－to－end BroadbandService Architecture over ADSL Systems (Version 3.0), 1997
