1、 ANSI/TIA-968-B-1-2012 APPROVED: June 22, 2012 Telecommunications Telephone Terminal Equipment Technical Requirements for Connection of Terminal Equipment to the Telephone Network-Addendum 1 TIA-968-B-1 (Addendum to TIA-968-B) June 2012 Adopted by ACTA August 6, 2012 PREFACE This document, Telecommu
2、nications Telephone Terminal Equipment: Technical Requirements for Connection of Terminal Equipment to the Telephone Network has been established pursuant to the Federal Communication Commissions (“FCC”) Report and Order in the 2000 Biennial Review of Part 68 of the Commissions Rules and Regulations
3、, CC Docket No. 99-216, FCC 00-400, adopted November 9, 2000 and released December 21, 2000 (“Order” or “R (b) there is no assurance that the Document will be approved by any Committee of TIA or any other body in its present or any other form; (c) the Document may be amended, modified or changed in
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16、 SCOPE .1 2. CHANGES TO INFORMATIVE REFERENCES 1 3. CHANGES TO TABLES AND FIGURES .1 ANSI/TIA-968-B-1 iiFOREWORD (This foreword is not part of this Standard.) This addendum was developed to update informative references and to correct several tables and figures in TIA-968-B, Telecommunications Telep
17、hone Terminal Equipment Technical Requirements for Connection of Terminal Equipment to the Telephone Network. This addendum was produced by Subcommittee TR-41.9, Technical and Administrative Regulatory Considerations. It was developed in accordance with TIA procedural guidelines, and represents the
18、consensus position of the Subcommittee, which served as the formulating group. It also received the concurrence of Engineering Committee TR-41, User Premises Telecommunications Requirements. The leadership of the TR-41.9 Technical and Administrative Regulatory Subcommittee (Ad Hoc Co-Chairs: Phillip
19、 Havens, Littelfuse, and Randy Ivans, UL) acknowledges the written contributions provided by the following individuals in the development of this addendum. Organization Representative TIA-968-B-1 Verizon Trone Bishop Editor Broadcom Rafi Rahamim Cisco Tim Lawler Suggestions for improvement of this d
20、ocument are welcome. They should be sent to: Telecommunications Industry Association Engineering Department Suite 300 2500 Wilson Boulevard Arlington, VA 22201 ( http:/www.tiaonline.org ) ANSI/TIA-968-B-1 1 1. SCOPE This addendum provides changes to TIA-968-B, Telecommunications Telephone Terminal E
21、quipment Technical Requirements for Connection of Terminal Equipment to the Telephone Network. Clause 2 lists informative references that have been revised. Clause 3 makes corrections to several tables and figures related to VDSL2. All other clauses in TIA-968-B are not affected. Words that appear i
22、n underlined italics in this addendum are intended as instructions to the reader. 2. CHANGES TO INFORMATIVE REFERENCES On pages 90, 95, 101, 104, 115, 121, 126, 130, 134, 136, 157, and 161 change all TIA TSB-31-C references to TIA TSB-31-D. On page 182, change C.9 to the following: TIA TSB-31-D (201
23、1), Rationale and Measurement Guidelines for U.S. Network Protection. On page 182, change C.10 to the following: TIA TSB-129-B, U.S. Network Connections Regulatory Approval Guide, December 2010, which is available from a link at the Web page of TIA engineering committee TR-41. 3. CHANGES TO TABLES A
24、ND FIGURES Change the title of figure 52 to the following: Figure 52 VDSL2 profiles 8a, 8b, 8c and 8d upstream operation over POTS PSD mask Change the title of figure 55 to the following: Figure 55 VDSL2 EU-128 profiles 8a, 8b, 8c and 8d upstream operation over POTS PSD mask In tables 52, 54, 55, 56
25、, 57, 59, 60, and 61 change 8375 kHz to 8325 kHz. In figures 53, 54, 56, 57, 59, 60, 62, and 63 change 8375 kHz to 8325 kHz. THE TELECOMMUNICATIONS INDUSTRY ASSOCIATION TIA represents the global information and communications technology (ICT) industry through standards development, advocacy, tradesh
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