1、BRITISH STANDARD Information technology - International Standardized Profile RA - Relaying the Connectionless-mode Network Service Part 3. CSWCD LAN subnetwork-dependenb, media-dependent requirements The European Standard EN ISP 10613-3 : 1996 has the status of a British Standard 1CS 35.100.05 BS EN
2、 ISP 10613-3 : 1997 Incorporating Amendment No. 1 to BS ISOLEC ISP 10613-3 : 1994 (renumbers BS as BS EN ISP 1061 3-3 I 1997) NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW _ STD-BSI BS EN ISP LObL3-3-ENGL 1997 W Lb24bb7 Ob4L70 bb Amd. No. 9566 BS EN ISP 106133 : 1997 Issue 2
3、 September 1997 Date Text affected September 1997 Indicated by a sideline in the margin This British Standard, having been prepared under the direction of the information Systems Technology standards Policy Committee, was published under the authority of the Standards Board and comes into effect on
4、 15 January 1995 O BSI 1997 Committees responsible for this British Standard The preparation of this British Standard was entrusted by the Information Systems Technology Standards Policy Committee (IST/-) to Technical Committee IST/6, upon which the foilowing bodies were represent - present to the r
5、esponsible international committee any enquiries on interpretation, or proposals for change, and keep UK interests informed; - monitor related intemationai and European developments and promulgate them in the UK. NOTE. International and European Standards, as well as overseas standards, are availabl
6、e from Customer Services, BSI, 389 Chiswick High Road, London W4 4AL. Compliance with a British Standard does not of itself confer immunity from legal obligations. * M * O BSI 1997 i - STD-BSI BS EN ISP LObL3-3-ENGL 1777 LbZVbbS ObYL873 395 EN ISP 106133 January 1996 ICs 35.100 Supersedes EN 418013
7、 1992 Descriptors: Data processing, information interchange, network interconnection, open systems interconnection, local area networks, data transmission, communication procedure, control procedures, network layer, profdes. English version Information technology - International Standardized Profil
8、e RA - Relaying the Connectionlessmode Network Service - Part 3 CSMNCD LAN subnetworkdependent, mediadependent requirements (ISOAEC ISP 106133 : 1994) Technologie de linformation - Profil normalis international RA - Relais de service de rseau en mode sans connexion - Partie 3: Prescriptions dpendant
9、es du milieu, dpendantes du sous-rseau CSWCD LAN (ISO/IEC ISP 10613-3 : 1994) “his European Standard was approved by CEN on 1995-10-04. CEN members are bound t 3 comply with the CENKENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national
10、standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CEN member. This European Standard exists in three official versions (English, French, German). A version in any oth
11、er language made by translation under the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Denmark, Finland, Fi-ance, Germany, Greece, Iceland,
12、 Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CEN European Committee for Standardization Comit Europen de Normalisation Europisches Komitee fur Normung Central Secretariat: rue de Stassart 36, B-1060 Brussels O 1996 Ail rights of reproduct
13、ion and communication in any form and by any means reserved in all countries to CEN and its members. Ref. No. EN ISP 10613-3 : 1996 E EN ISP 106133 : 1996 Issue 1, September 1997 Foreword The text of the International Standard from IS/IEC/JTC 1, Information technology, of the International rgmizatio
14、n for Standardization (EO) and the International Electrotechnical Commission (EC) has been taken over as a European Standard by CEN Technical Board. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by
15、 July 1996, and conflicting national standards shall be withdrawn at the latest by July 1996. According to CEN/CENELEC hted Regdabons, the following countries are bound to implement this European Standard: Austria, Belgium, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembou
16、rg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom. NOTE. EN ISP 10613 : Part 3 replaces ENV 418013 : 1992. For the time being, this document exists in the English version only. iib O BSI 1997 STD-BSI BS EN ISP LObL3-3-ENGL I997 lb2Libb9 Ob91875 LbB = I N TE R NAT I
17、 O NA L STANDARDIZED PROFILE ISO/IEC 1061313 First edition 1994-0515 Information technoloay - International Standardized Profile RA - Relaying the Connectionless-mode Network Service - Part 3: CSMNCD LAN subnetworkdependent, mediadependent requirements Technologies de /information - profil novmalis6
18、 interntiowl R4 - Releis de servike de r - Open Sysiems Envitonment Impiementors Workshop (OW). ISO/IEC ISP 10613 cnsists Of SCV paris, ndcr Ik gaieral title I b) support the functions of the Meia Access Control protocol defined in iSO/iEC tMX2-3; c) meet the Physical laya requirements defa in ISO/I
19、Ec 8802-3, ch 7 Physical Signaing (PLS) and Attachment Unit IntertaCC (Am Specifmtion; a if an AUI cable is supplied, meet the requirements specified in clause 7 of ISo/IEC 8802-3; e) if repeaters are sqwfid, meet the requirements specified in ciause 9 of ISO/IEC 8802-3. 5.1.53 Reqoirements for 10BA
20、SES The implementation shall: 9 ifan MAU is suppiie, meet the requirements specified in lSO/EC 8#2-3, subclauses 8.1.8.2.8.3, 85 and8.7 - if an MAU is not supplied, then an extenially accessible AUI shall be supplied; b) if components of the media are supplied, meet the requirements specified in ISO
21、/iC 8802-3, subciauses 8.4,85,8.6 and 8.7. 5.153 Requirements for lOBASE2 The implementation shall: a) if an MAU is supplied, meet the requirements specifred in ISOIIEC 8802-3, subclauses 10.1,10.3.10.4, 10.6 and 10.8 - if an MAU is not supplied, then an externally accessible AUI shall be supplied;
22、b) if components of the media are supplied, meet the requirements specifd in ISO/iEC 882-3, subclauses 10.5, 10.6, 10.7 and 10.8. 4 ISo/IEC ISP 10613-3:19w(E) 5.2 Dynamic Conformance Requirements An implementation wnfonnhg to this pan of ISOEC ISP 10613 shall cany out the supportai ISWC 8802-3 funct
23、ions in accordance wiih he pnicedures specified in IS/ru: 8802-3. It shall behave in xmdancc with the rquinments of the ISPICS Requirements List in annex A. 5 S/EC ISP l3=3:19w(E) Base Item smsg-r Annex A (nonnative) Dcpcadcaey constrrrint D Maximum SN data unit size (Rx) 2 1497 ISPICS Requirements
24、List A.1 Introducbn ISO/IM: TR 10000.1 identifies uint items to be included in an ISPICS Requirements List Ihese a: - ged oprioiis of the profile; - constraiatS on the allowable mwem in the PICS proforma of each such base sranar. nie fast two items date tothe prof bas a whole, and so are included on
25、ly in those parts of IsO/IEc ISP 10613 which are specific LO individuai profiles. But each part of ISO/IEC ISP 10613 contains the identification d those PICS proforma consmints which are within i Fax )181996 7400. 3SI offers members an individual updating service called PLUS which ensures that iubsc
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