1、 TSB-31-D $XJXVW 2011Telecommunications Telephone Terminal Equipment Rationale and Measurement Guidelines For U.S. Network ProtectionNOTICE TIA Engineering Standards and Publications are designed to serve the public interest through eliminating misunderstandings between manufacturers and purchasers,
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22、EOF, AND THESE CONTENTS WOULD NOT BE PUBLISHED BY TIA WITHOUT SUCH LIMITATIONS. TIA/TSB-31-D i FOREWORD This Telecommunications Systems Bulletin (TSB) was produced by subcommittee TR-41.9, Technical and Administrative Regulatory Considerations, of Engineering Committee TR-41, User Premises Telecommu
23、nications Requirements, under the sponsorship of the Telecommunications Industry Association TIA. Telecommunications Systems Bulletins are distinguished from TIA Standards in that TSBs contain a compilation of engineering data or information useful to the technical community and represent approaches
24、 to good engineering practices suggested by formulating group TR-41.9. This TSB recommends test procedures, test equipment, and guidelines for determining compliance with the technical criteria in 47 C.F.R. Part 68 and the technical criteria adopted by the Administrative Council for Terminal Attachm
25、ents (ACTA) in TIA-968-B. This Bulletin is not intended to preclude or discourage other approaches which similarly represent good engineering practice, or which may be acceptable to, or have been accepted by, appropriate bodies such as the Federal Communications Commission FCC. Parties who wish othe
26、r approaches to be considered for inclusion in future revisions of this Bulletin are encouraged to bring them to the attention of the formulating group. It is the intention of the formulating group to revise and update this Bulletin from time to time as may be occasioned by changes in technology, in
27、dustry practice, government regulations, technical criteria, or other appropriate reasons. The changes to this Document from TSB-31-C are extensive due to the restructuring of TIA-968-A and new technical criteria that have come into effect since TSB-31-C was published. This Document supersedes TIA-T
28、SB-31-C and represents the consensus of the formulating group. TIA/TSB-31-D The leadership of the TR-41.9 Technical and Administrative Regulatory Considerations subcommittee (Chair: Phillip Havens, Littelfuse) acknowledge the contributions provided by the following individuals in the development of
29、this document. Organization Representative Previous Version TSB-31-D ADTRAN, Inc Larry Bell X X Atlinks Communications Clint Pinkham X - Bourns Ltd. Michael Maytum X - Broadcom Rafi Rahamim Cisco Systems Tim Lawler X X Hewlett-Packard Scott Roleson Industry Canada Efrain Guevara X - Industry Canada
30、Matthew Mulvihill X X Editor Industry Canada Hazim Dawood X - Intertek Testing Services Gary Flom X - Littelfuse Inc. Phillip Havens X X Mitel Networks Greg Slingerland X - Mobile Engineering John Bipes X X Paradyne Inc. Peter Walsh X - San-O-Industrial Carl Lindquist Siemens Communication Inc. Tail
31、ey Tung X - Sprint Cliff Chamney Thomson Inc. Roger Hunt X - Tyco Electronics Al Martin Editor - Underwriters Labs Randy Ivans X - Underwriters Labs Anh Nguyen X - Verizon Trone Bishop X Vtech Engineering Steve Whitesell X X TIA/TSB-31-D iii CONTENTSFOREWORD.I CONTENTS.III LIST OF FIGURES. VIII 1 IN
32、TRODUCTION 1 2 SCOPE 2 3 REFERENCES .3 4 DEFINITIONS, ACRONYMS AND ABBREVIATIONS5 5 GENERAL INFORMATION 11 5.1 Safety Warning About The Procedures In This Document . 11 5.2 General Document Structure 11 5.3 Simulator Circuit Theory . 11 5.4 Test Conditions .12 5.5 Suggested Equipment List (SEL).12 5
33、.6 Applicability Considerations .19 6 ENVIRONMENTAL SIMULATION TIA-968-B, 4.120 6.1 Sequencing of Environmental Simulations 20 6.2 Mechanical Shock TIA-968-B, 4.1.1 25 6.3 Telephone Line Surge - Type A, Metallic. TIA-968-B, 4.1.2.1 .26 6.4 Telephone Line Surge - Type A, Longitudinal TIA-968-B, 4.1.2
34、.2.28 6.5 Telephone Line Surge - Type B, Metallic TIA-968-B, 4.1.3.1 .30 6.6 Telephone Line Surge - Type B, Longitudinal. TIA-968-B, 4.1.3.233 6.7 Power Line Surge TIA-968-B, 4.1.4 .36 7 LEAKAGE CURRENT LIMITATIONS (ANALOG AND DIGITAL) TIA-968-B, 4.2 .38 7.1 Background.38 7.2 Purpose.38 7.3 Equipmen
35、t.38 7.4 Equipment States Subject to Test 39 7.5 Procedure39 7.6 Alternative Methods39 7.7 Suggested Test Data 40 7.8 Comments.40 8 HAZARDOUS VOLTAGE LIMITATIONS TIA-968-B, 4.343 TIA/TSB-31-D 8.1 Hazardous Voltage Limitations, General TIA-968-B, 4.3.1 .43 8.2 Hazardous Voltage Limitations, E damage
36、to the equipment of providers of wireline telecommunications; malfunction of the billing equipment of providers of wireline telecommunications; and, degradation of service to persons other than the user of the subject terminal equipment and his calling or called party. In addition, 47 C.F.R. Part 68
37、 contains terminal equipment requirements that address specific consumer protection issues. At the time of publication these were: compatibility with magnetically coupled hearing aids; receive volume control on devices with a handset or headset; identification of the sender of the message by telepho
38、ne facsimile machines; access to common carriers; automatic dialing and redialing capability; and, line seizure by automatic telephone dialing systems. Terminal equipment may not be connected to the telephone network unless it has either been certified by a Telecommunication Certification Body (TCB)
39、 or the responsible party has followed all of the procedures in 47 C.F.R. Part 68 for a Suppliers Declaration of Conformity (SDoC). Both of these approval processes require terminal equipment to be tested for compliance with the technical criteria in 47 C.F.R. Part 68 and the technical criteria adop
40、ted by the ACTA. This Document recommends test procedures, test equipment, and guidelines for determining compliance with the technical criteria in 47 C.F.R. Part 68 and the technical criteria adopted by the ACTA in TIA-968-B. Information about the ACTA can be found via the Internet at www.part68.or
41、g. TIA/TSB-31-D 2 SCOPE This telecommunications systems bulletin (TSB) recommends test procedures, test equipment, and guidelines for determining compliance with the technical requirements of 47 C.F.R. Part 68 and the technical criteria adopted by the ACTA, most specifically TIA-968-B. This TSB prop
42、oses at least one measurement procedure for each technical requirement and, in some cases, an alternative measurement procedure. Each test procedure in this document is referenced to the appropriate subclause of the applicable requirements document. These proposed procedures are not exclusive. Other
43、 measurement procedures and test equipment may provide equivalent results. In the event of conflict between any of the standards outlined above and this TSB, the standard takes precedence. These test procedures do not cover the administrative or other equipment authorization procedures that may be r
44、equired to obtain product approval. Refer to the administrative requirements of the ACTA. TIA-TSB-129-B summarizes these administrative requirements. Some of the tests or procedures specified in TSB-31-D may involve hazardous voltages and currents or other potential dangers. Some of these hazards ha
45、ve been identified, and appropriate warnings have been included in the text specifying such tests or procedures. Appropriate safety precautions are always recommended when performing any laboratory test or procedure. TIA/TSB-31-D 3 3 REFERENCES The following documents contain information that may be
46、 useful in carrying out the recommended test procedures and guidelines for determining compliance provided in this TSB. At the time of publication, the editions indicated were valid. All documents are subject to revision, and parties to agreements based on this TSB are encouraged to investigate the
47、possibility of applying the most recent editions of the documents published by them. 1. ANSI TT1.401-2000 ATIS-0600401.2006, Network to Customer Installation Interfaces Analog Voice grade Switched Access Lines Using Loop-Start and Ground-Start Signaling 2. ANSI/TIA-470-A470.000-C, 2003, Telephone In
48、struments with Loop Signaling Telecommunications Telephone Terminal Equipment Specifications Overview and Document Structure for Analog Wireline Telephones 3. ANSI/TIA-470.110-C, 2004, Telecommunications Telephone Terminal Equipment Handset Acoustic Performance Requirements for Analog Terminals 4. A
49、NSI/TIA-470.110-C-1, 2007, Telecommunications - Telephone Terminal Equipment - Handset Acoustics Performance Requirements Addendum 1 5. ANSI/TIA-571-B-2007, Telecommunications Telephone Terminal Equipment Electrical, Thermal, Mechanical Environmental Performance Requirements. 6. ANSI/TIA-579TIA/EIA-579-A, 1998, Acoustic-to-Digital and Digital-to-Acoustic Transmission Requirements for ISDN Terminals Telecommunications Telephone Terminal Equipment Transmission Requirements for Digital Wireline Telephones. 7. ANSI/TIAEIA-810-AB, 2006 -20
