CEPT NET 3 PART 2 E-1989 Approval Requirements for Terminal Equipment to Connect to ISDN Using ISDN Basic Access Layer 3 Aspect (ETS P (Rev 1))《使用ISDN基本接入第3层方面(ETS P修改件1)连接到ISDN的数据.pdf
《CEPT NET 3 PART 2 E-1989 Approval Requirements for Terminal Equipment to Connect to ISDN Using ISDN Basic Access Layer 3 Aspect (ETS P (Rev 1))《使用ISDN基本接入第3层方面(ETS P修改件1)连接到ISDN的数据.pdf》由会员分享,可在线阅读,更多相关《CEPT NET 3 PART 2 E-1989 Approval Requirements for Terminal Equipment to Connect to ISDN Using ISDN Basic Access Layer 3 Aspect (ETS P (Rev 1))《使用ISDN基本接入第3层方面(ETS P修改件1)连接到ISDN的数据.pdf(225页珍藏版)》请在麦多课文档分享上搜索。
1、CEPT NET*3*PART*2 89 232b4L4 00002b2 7 European Telecommunications Standards Inotitute ETSI LEUROBXAIN STANDARD TELiECOMMUbJTCATXON Approval requirements for terminal equipment to connect to ISDN b using ISDN basic acceas, layer 3 aspect (candidate NET :3, part 2) Europoan Talocoaununicatons Standar
2、ds Instituto BP 152 P-06561 VALBONNE CEDEX APPROVAL REQUIREMENTS FOR TERMIN,RL EQUIPMENT TO CONNECT TO INTEGRATED SERVICES DIGITAL NETWORK (ISDN) USING ISDN BASIC ACCESS - 1,ayt.r 3 A8pt.CtS FOREWORD This standard is based on the following considerations : (a) It is of the highest importance for app
3、licants (manufacturers, sUpplitrr8. or users ) and telecommunication testing houses to be informed as accurately as possible of the interface tests necessary to obtain approval of terminal equipment for connection to public telecommunications networks, (b) Administrations or Reccgnibed Private Opera
4、ting Agencies (RPOAs) are responsible for the quality of service and for the proper functioning of tho telecommunications networks and services provided and maintained by them, (cl There is a need to protect the networks and subscribersinstallations, as well as network staff and users? from damage a
5、nd injury, (d) NET 3, Part 1 (May 1988) specifies the approval requirements concerning layer 1 and 2 aspects for terminal equipment to connect to ISDN using ISDN basic access , (e) ETC CA (TC doc. No. T/S 46-30) and ETS CB (TC doc. No. T/S 46-31) specify the layer 3 of the ISDN user - network interf
6、ace (Basic Call Control and SDL description respectively), (f) Suppliers of terminal equipment should comply with the following procedures and technical requirments in addition to those apecifitrd in NET 3, Part 1 and the terminal aguipment shall be tested for conformance to these requiruoents using
7、 the teata 8peCifhd in Annex A to thi8 atandard. TE 04-22 CEPT NET*3*PART*2 89 232ibYl14 0000264 O scapri .*.i. 3 18 O.b. o.* 3 1.1 IntroQctiai . . . . . . . . . . . . . . . . . . . . . . . . 3 1.2 mgurati?matU8ar- . . . . . . . . . . . . . . 8 3 1.3 RaatiooirNptootharAttadmmttiaw . . . 3 1.5 Infomm
8、tialtobrprwibbbythw.rruistu8k . 0 . . 4 1.4 T.rtLigud-uIw?. o I 4 2. 3. D.ihda-Mb-. . . . . . . . . . . . . . . . . . 18 2 CEPT NET*3*PART*2 89 232b414 00002b5 2 1 I I SCOPE In accordance with CCITT Recommendation 1.420 151 and ETS CA (TC doc. No. T/S 46-30) 2 and ETS CE (TC doc. No. T/S 46- 31) 3,
9、thi8 atandard 8pecifier the layer 3 accesa control protocol to be offered by terminal equipment at an interface to a public telocommunicationa network presented at an ISDN basic acceuu point. NOTE Some references in this standard reflect the fact that the text was initially produced in CEPT working
10、groups. For practical reasons it has not always been possible to re-edit the text appropriately at this strige. 1. General 1.1 Introduction 1.1.1 This standard specifies the basic requirements concerning the layer 3 basic call control protocol which Terminal Equipment (TE) has to meet for attachment
11、 to the public ISDN basic user - network interface at the S/T reference points. The requiremenls sppcified in this standard are in addition to those relating to the layer 1 and 2 aspects given in NET 3, Part 1. This standard does not cover all the requirements which a specific type of TE has to meet
12、. However, standards/NETs which define attachment requirements relevant to a specific type of TE should reft-c to this standard for the attachment requirements within th43 mope of this standard. 1.1.2 Unless otherwise stated, the use of the term TE within this specification refers to c:ustomers term
13、inal apparatus which may be a TE (Terminal Equipment Type i), a TA (Terminal Adaptor) or an NT2 (Network Termination Type 2) as defined in CCITT Recommendation X.411 141. 1.1.3 Communication between adjacent layers (primitive procedures) is conceptual and allows the description of interactions betwe
14、en functions dedicated to different layers within a TE. These primitive procedures do not constrain implementation, are system internal and therefore cannot be tested in isolation. However, as seen from outside, the design of TE shall be such that the strquence of events across the user - network in
15、terface must be the 8-e as if the primitives were implemented as described in ETS CA (TC doc. No. T/S 46-30) 2 and ET6 CB (TC doc. No. T/S 46-31) 3. 1.2 Cmfisurations at User Prtmiaes. The operational configurations 8pocifiod in $ 1.2 of NET 3, Part 1 Cl aro appllcablo to this standard. 1.3 Relation
16、ship to othor Attirohmont Itandard8/NBTr. Whero a TE rupportr 8orvica8 rp.cifi.6 in othor NETr, additional roquiromontr may rpply and will ba found in tho rpocific terminal NET. 3 CEPT NET*3*PART*2 89 m 1232b414 00002bb Y 4 CEPT NET*3*PART*2 89 23261iL4 00002b7 b 2.1 ceneral Lhis section defines tbn
17、 Dchannal Uyer 3 protoa01 with rrfsranei ta BMic ml -1. flor TE apua+iai da- to tha A TE shall support the priotoools associated with th. unr rib. in aooordanoe with Recoamruidatiais T/S 46-30 and T/S 46-31 wbm applicsbla 1IIyt those unctionality specified in a -tA.ai/NET mrwrnwd with a spcific type
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