ISBN 978-0-626-31015-8 Edition 1 TR 101 953-2-1:2003 Edition V1.1.1 SOUTH AFRICAN NATIONAL STANDARD Access network xdsl transmission filters Part 2-1: VDSL splitters for European deployment Specification of Testing methods for low pass part of VDSL/POTS splitters This national standard is the identical implementation of TR 101 953-2-1:2003, and is adopted with the permission of the European Telecommunications Standards Institute. Published by SABS Standards Division 1 Dr Lategan Road Groenkloof Private Bag X191 Pretoria 0001 Tel: +27 12 428 7911 Fax: +27 12 344 1568 www.sabs.co.za SABS
Edition 1 TR 101 953-2-1:2003 Edition V1.1.1 Table of changes Change No. Date Scope National foreword This South African standard was approved by National Committee SABS/TC 074/SC 04, Communication technology Subscriber and access equipment, in accordance with procedures of the SABS Standards Division, in compliance with annex 3 of the WTO/TBT agreement. This document was approved for publication in February 2015. This document has been regulated by the Independent Communications Authority of South Africa (ICASA). This document is referenced in the Regulations in respect of technical standards for electronic communications equipment, also known as the Official list of ICASA regulated standards for technical and electronic communications facilities. SABS
TR 101 953-2-1 V1.1.1 (2003-12) Technical Report Access network xdsl transmission filters; Part 2: VDSL splitters for European deployment; Sub-part 1: Specification of Testing methods for low pass part of VDSL/POTS splitters
2 TR 101 953-2-1 V1.1.1 (2003-12) Reference DTR/AT-010091-02-01 Keywords ADSL, POTS, splitter, testing, VDSL 650 Route des Lucioles F-06921 Sophia Antipolis Cedex - FRANCE Tel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16 Siret N 348 623 562 00017 - NAF 742 C Association à but non lucratif enregistrée à la Sous-Préfecture de Grasse (06) N 7803/88 Important notice Individual copies of the present document can be downloaded from: http://www.etsi.org The present document may be made available in more than one electronic version or in print. In any case of existing or perceived difference in contents between such versions, the reference version is the Portable Document Format (PDF). In case of dispute, the reference shall be the printing on printers of the PDF version kept on a specific network drive within Secretariat. Users of the present document should be aware that the document may be subject to revision or change of status. Information on the current status of this and other documents is available at http://portal.etsi.org/tb/status/status.asp If you find errors in the present document, send your comment to: editor@etsi.org Copyright Notification No part may be reproduced except as authorized by written permission. The copyright and the foregoing restriction extend to reproduction in all media. European Telecommunications Standards Institute 2003. All rights reserved. DECT TM, PLUGTESTS TM and UMTS TM are Trade Marks of registered for the benefit of its Members. TIPHON TM and the TIPHON logo are Trade Marks currently being registered by for the benefit of its Members. 3GPP TM is a Trade Mark of registered for the benefit of its Members and of the 3GPP Organizational Partners.
3 TR 101 953-2-1 V1.1.1 (2003-12) Contents Intellectual Property Rights...4 Foreword...4 1 Scope...5 2 References...5 3 Definitions and abbreviations...5 3.1 Definitions...5 3.2 Abbreviations...6 4 Introduction...6 5 Test conditions and general notes...7 6 List of test cases for the low pass part of the VDSL over POTS splitter...9 6.1 Tests for DC requirements...9 6.1.1 Tests for DC resistance to earth...9 6.1.2 Tests for DC insulation resistance between A-wire and B-wire...11 6.1.3 Tests for DC series resistance...12 6.2 Tests for ringing frequency requirements...14 6.2.1 Tests for voltage drop at 25 Hz and 50 Hz...14 6.2.2 Tests for impedance at 25 Hz and 50 Hz...16 6.2.3 Tests for total harmonic distortion at 25 Hz and 50 Hz...17 6.3 Tests for pass band loss requirements (on-hook)...19 6.3.1 Tests for on-hook requirement for the case of high impedance injection...19 6.3.2 Tests for on-hook requirement for the case of low impedance injection...21 6.4 Tests for pass band loss requirements (off-hook)...24 6.4.1 Tests for off-hook pass band insertion loss...24 6.4.2 Tests for off-hook pass band insertion loss distortion...24 6.5 Tests for return loss requirements...26 6.5.1 Tests for return loss requirements options A and B...26 6.6 Tests for requirements relating to metering pulses...28 6.6.1 Tests for requirements relating to metering pulses at 12 khz or 16 khz...28 6.7 Tests for unbalance about earth...30 6.7.1 Tests for the unbalance about earth (LCL/LCTL) without feeding...31 6.7.2 Tests for the unbalance about earth with DC feeding on basis of the branch impedances...32 6.8 Tests for VDSL band requirements...35 6.8.1 Tests for On-hook loss for VDSL over POTS splitters...35 6.8.2 Tests for Off-hook isolation...37 6.9 Tests for noise...40 6.9.1 Tests for audible noise level...40 6.9.2 Tests for VDSL band noise level...42 6.10 Tests for distortion...46 6.10.1 Tests for POTS band intermodulation distortion...46 6.11 Tests for signal delay Impacts...47 6.11.1 Tests for group delay distortion...47 6.12 Tests for requirements related to POTS effects...49 6.12.1 Tests for requirements related to POTS transient effects...49 History...51