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    CAN CSA-ISO IEC 17311-2004 Information technology Telecommunications and information exchange between systems Private Integrated Services Network Mapping functions for the employmek.pdf

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    CAN CSA-ISO IEC 17311-2004 Information technology Telecommunications and information exchange between systems Private Integrated Services Network Mapping functions for the employmek.pdf

    1、Reference numberISO/IEC 17311:2000(E)ISO/IEC 2000Information technology Telecommunications and informationexchange between systems PrivateIntegrated Services Network Mappingfunctions for the employment of 64 kbit/scircuit mode connections with 8 kbit/ssub-multiplexingTechnologies de linformation Tlc

    2、ommunications et changedinformation entre systmes Rseau priv avec intgration deservices Fonctions dapplication pour lemploi de connexions enmode circuit de 64 kbits/s avec sous-multiplexage de 8 kbits/sNational Standard of CanadaCAN/CSA-ISO/IEC 17311:04(ISO/IEC 17311:2000)International Standard ISO/

    3、IEC 17311:2000 (first edition, 2000-09-15) has been adopted withoutmodification (IDT) as CSA Standard CAN/CSA-ISO/IEC 17311:04, which has been approved as a NationalStandard of Canada by the Standards Council of Canada.ISBN 1-55397-707-6 December 2004The Canadian Standards Association (CSA), under w

    4、hose auspices this National Standard has been produced, was chartered in 1919 and accredited by the Standards Council of Canada to the National Standards system in 1973. It is a not-for-profit, nonstatutory, voluntary membership association engaged in standards development and certification activiti

    5、es. CSA standards reflect a national consensus of producers and users including manufacturers, consumers, retailers, unions and professional organizations, and governmental agencies. The standards are used widely by industry and commerce and often adopted by municipal, provincial, and federal govern

    6、ments in their regulations, particularly in the fields of health, safety, building and construction, and the environment. Individuals, companies, and associations across Canada indicate their support for CSAs standards development by volunteering their time and skills to CSA Committee work and suppo

    7、rting the Associations objectives through sustaining memberships. The more than 7000 committee volunteers and the 2000 sustaining memberships together form CSAs total membership from which its Directors are chosen. Sustaining memberships represent a major source of income for CSAs standards developm

    8、ent activities. The Association offers certification and testing services in support of and as an extension to its standards development activities. To ensure the integrity of its certification process, the Association regularly and continually audits and inspects products that bear the CSA Mark. In

    9、 addition to its head office and laboratory complex in Toronto, CSA has regional branch offices in major centres across Canada and inspection and testing agencies in eight countries. Since 1919, the Association has developed the necessary expertise to meet its corporate mission: CSA is an independen

    10、t service organization whose mission is to provide an open and effective forum for activities facilitating the exchange of goods and services through the use of standards, certification and related services to meet national and international needs.For further information on CSA services, write toCan

    11、adian Standards Association5060 Spectrum Way, Suite 100Mississauga, Ontario, L4W 5N6CanadaThe Standards Council of Canada is the coordinating body of the National Standards system, a federation of independent, autonomous organizations working towards the further development and improvement of volunt

    12、ary standardization in the national interest. The principal objects of the Council are to foster and promote voluntary standardization as a means of advancing the national economy, benefiting the health, safety, and welfare of the public, assisting and protecting the consumer, facilitating domestic

    13、and international trade, and furthering international cooperation in the field of standards. A National Standard of Canada is a standard which has been approved by the Standards Council of Canada and one which reflects a reasonable agreement among the views of a number of capable individuals whose c

    14、ollective interests provide to the greatest practicable extent a balance of representation of producers, users, consumers, and others with relevant interests, as may be appropriate to the subject in hand. It normally is a standard which is capable of making a significant and timely contribution to t

    15、he national interest. Approval of a standard as a National Standard of Canada indicates that a standard conforms to the criteria and procedures established by the Standards Council of Canada. Approval does not refer to the technical content of the standard; this remains the continuing responsibility

    16、 of the accredited standards development organization. Those who have a need to apply standards are encouraged to use National Standards of Canada whenever practicable. These standards are subject to periodic review; therefore, users are cautioned to obtain the latest edition from the organization p

    17、reparing the standard.The responsibility for approving National Standards of Canada rests with theStandards Council of Canada270 Albert Street, Suite 200Ottawa, Ontario, K1P 6N7CanadaAlthough the intended primary application of this Standard is stated in its Scope, it is importantto note that it rem

    18、ains the responsibility of the users to judge its suitability for their particular purpose.Registered trade-mark of Canadian Standards AssociationCAN/CSA-ISO/IEC 17311:04Information technology Telecommunications and information exchange betweensystems Private Integrated Services Network Mapping func

    19、tions for theemployment of 64 kbit/s circuit mode connections with 8 kbit/s sub-multiplexingDecember 2004 Canadian Standards Association CSA/1CAN/CSA-ISO/IEC 17311:04Information technology Telecommunications and information exchange between systems Private Integrated Services Network Mapping functio

    20、ns for the employment of 64 kbit/s circuit mode connections with 8 kbit/s sub-multiplexingCSA PrefaceStandards development within the Information Technology sector is harmonized with international standards development. Through the CSA Technical Committee on Information Technology (TCIT), Canadians

    21、serve as the Canadian Advisory Committee (CAC) on ISO/IEC Joint Technical Committee 1 on Information Technology (ISO/IEC JTC1) for the Standards Council of Canada (SCC), the ISO member body for Canada and sponsor of the Canadian National Committee of the IEC. Also, as a member of the International T

    22、elecommunication Union (ITU), Canada participates in the International Telegraph and Telephone Consultative Committee (ITU-T).This International Standard was reviewed by the CSA TCIT under the jurisdiction of the Strategic Steering Committee on Information Technology and deemed acceptable for use in

    23、 Canada. (A committee membership list is available on request from the CSA Project Manager.) From time to time, ISO/IEC may publish addenda, corrigenda, etc. The CSA TCIT will review these documents for approval and publication. For a listing, refer to the CSA Information Products catalogue or CSA I

    24、nfo Update or contact a CSA Sales representative. This Standard has been formally approved as a National Standard of Canada by the Standards Council of Canada.December 2004 Canadian Standards Association 2004All rights reserved. No part of this publication may be reproduced in any form whatsoever wi

    25、thout the prior permission ofthe publisher. ISO/IEC material is reprinted with permission. Where the words “this International Standard” appear in the text, they should be interpreted as “this National Standard of Canada”.Inquiries regarding this National Standard of Canada should be addressed toCan

    26、adian Standards Association5060 Spectrum Way, Suite 100, Mississauga, Ontario, Canada L4W 5N61-800-463-6727 416-747-4044www.csa.caReference numberISO/IEC 17311:2000(E)ISO/IEC 2000INTERNATIONALSTANDARDISO/IEC17311First edition2000-09-15Information technology Telecommunications and informationexchange

    27、 between systems PrivateIntegrated Services Network Mappingfunctions for the employment of 64 kbit/scircuit mode connections with 8 kbit/ssub-multiplexingTechnologies de linformation Tlcommunications et changedinformation entre systmes Rseau priv avec intgration deservices Fonctions dapplication pou

    28、r lemploi de connexions enmode circuit de 64 kbits/s avec sous-multiplexage de 8 kbits/sISO/IEC 17311:2000(E)PDF disclaimerThis PDF file may contain embedded typefaces. In accordance with Adobes licensing policy, this file may be printed or viewed but shall notbe edited unless the typefaces which ar

    29、e embedded are licensed to and installed on the computer performing the editing. In downloading thisfile, parties accept therein the responsibility of not infringing Adobes licensing policy. The ISO Central Secretariat accepts no liability in thisarea.Adobe is a trademark of Adobe Systems Incorporat

    30、ed.Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameterswere optimized for printing. Every care has been taken to ensure that the file is suitable for use by ISO member bodies. In the unlikely eventthat a prob

    31、lem relating to it is found, please inform the Central Secretariat at the address given below. ISO/IEC 2000All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronicor mechanical, including photocopying and micro

    32、film, without permission in writing from either ISO at the address below or ISOs member bodyin the country of the requester.ISO copyright officeCase postale 56 Gb7 CH-1211 Geneva 20Tel. + 41 22 749 01 11Fax + 41 22 749 09 47E-mail copyrightiso.chWeb www.iso.chii ISO/IEC 2000 All rights reservedISO/I

    33、EC 17311:2000(E) ISO/IEC 2000 All rights reserved iiiContentsForewordivIntroduction v1 Scope12 Conformance 13 Normative references .14 Definitions24.1 External definitions 24.2 Special definitions 24.2.1 Channel . 24.2.2 End PINX 24.2.3 Inter-PINX Connection .24.2.4 Inter-PINX Link 24.2.5 Transit PI

    34、NX .25 Abbreviations .26 Introduction 27 Capabilities at the Q reference point 38 Mapping functions38.1 Physical adaptation.38.1.1 64 kbit/s Unrestricted Digital Leased Line (D64U) .38.2 Mapping Matrix48.2.1 Channel allocation48.2.2 Bearer Conditioning for the DQ-channel .48.2.3 Bearer Conditioning

    35、for the UQ-channels4AnnexesA Implementation Conformance Statement (ICS) Proforma.5B Bibliography 8C QSIG Protocol Codepoints 9D Example figure for Bearer Conditioning of UQ-channels .10ISO/IEC 17311:2000(E)iv ISO/IEC 2000 All rights reservedForewordISO (the International Organization for Standardiza

    36、tion) and IEC (the International Electrotechnical Commission) form thespecialized system for worldwide standardization. National bodies that are members of ISO or IEC participate in thedevelopment of International Standards through technical committees established by the respective organization to d

    37、eal withparticular fields of technical activity. ISO and IEC technical committees collaborate in fields of mutual interest. Otherinternational organizations, governmental and non-governmental, in liaison with ISO and IEC, also take part in the work.International Standards are drafted in accordance w

    38、ith the rules given in the ISO/IEC Directives, Part 3.In the field of information technology, ISO and IEC have established a joint technical committee, ISO/IEC JTC 1. DraftInternational Standards adopted by the joint technical committee are circulated to national bodies for voting. Publication as an

    39、International Standard requires approval by at least 75 % of the national bodies casting a vote.Attention is drawn to the possibility that some of the elements of this International Standard may be the subject of patentrights. ISO and IEC shall not be held responsible for identifying any or all such

    40、 patent rights.International Standard ISO/IEC 17311 was prepared by ECMA (as ECMA-289) and was adopted, under a special “fast-trackprocedure”, by Joint Technical Committee ISO/IEC JTC 1, Information technology, in parallel with its approval by nationalbodies of ISO and IEC.Annex A forms a normative

    41、part of this International Standard. Annexes B, C and D are for information only.ISO/IEC 17311:2000(E) ISO/IEC 2000 All rights reserved vIntroductionThis International Standard is one of a series of standards defining mapping functions in exchanges of Private IntegratedServices Networks. The series

    42、uses the ISDN concepts as developed by ITU-T (formerly CCITT) and is also within theframework of standards for open systems interconnection as defined by ISO/IEC.This International Standard specifies mapping functions for the type of scenario where two PINXs are interconnected via a64 kbit/s circuit

    43、 mode connection with 8 kbit/s sub-multiplexing.This International Standard is based upon the practical experience of ECMA member companies and the results of their activeand continuous participation in the work of ISO/IEC JTC 1, ITU-T, ETSI and other international and national standardizationbodies

    44、. It represents a pragmatic and widely based consensus.INTERNATIONAL STANDARD ISO/IEC 17311:2000(E) ISO/IEC 2000 All rights reserved 1Information technology - Telecommunications and information exchange betweensystems - Private Integrated Services Network - Mapping functions for theemployment of 64

    45、kbit/s circuit mode connections with 8 kbit/s sub-multiplexing1ScopeThis International Standard defines the mapping functions in exchanges of Private Integrated Services Networks (PISNs)required for the utilization of scenarios in which 64 kbit/s circuit mode connections are sub-multiplexed into one

    46、 16 kbit/schannel for carrying inter-PINX signalling and 6 x 8 kbit/s channels for carrying inter-PINX user information.NOTE 1 - This International Standard has been prepared to meet the specific needs of an application for a particular user organisation.However, it may also be applicable elsewhere.

    47、In order to connect a Private Integrated Services Network Exchange (PINX) to another PINX, mapping functions are requiredto adapt the specific interfaces at the C reference point to the application at the Q reference point. As such, mapping functionsprovide for physical adaptation to the interface a

    48、t the C reference point. Mapping functions also provide for the mapping ofuser channels and signalling information at the Q reference point to the appropriate channels or timeslots at the C referencepoint.The C and Q reference points are defined in ISO/IEC 11579-1.The type of interface at the C refe

    49、rence point covered by this International Standard is the 64 kbit/s Unrestricted Digital LeasedLine (D64U) Terminal Equipment Interface, in accordance with ITU-T Rec. G.703.At the Q reference point the mapping provides an 8 kbit/s service for user channels to support the transfer of unrestricteddigital information and to support the transfer of speech, and a 16 kbit/s packet mode service for the signalling channel. Theapplied mapping is a static mapping, i.e. there is a fixed relationship between user


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