DIN EN 50090-4-2-2004 Home and Building Electronic Systems (HBES) - Part 4-2 Media independent layers - Transport layer network layer and general parts of data link layer for HBES .pdf

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1、Juli 2004DEUTSCHE NORM DKE Deutsche Kommission Elektrotechnik Elektronik Informationstechnik im DIN und VDEPreisgruppe 23DIN Deutsches Institut f r Normung e.V. Jede Art der Vervielf ltigung, auch auszugsweise, nur mit Genehmigung des DIN Deutsches Institut f r Normung e. V., Berlin, gestattet.ICS 3

2、5.100.05; 97.120 6 9560048www.din.deXDIN EN 50090-4-2Elektrische Systemtechnik f r Heim und Geb ude (ESHG) Teil 42: Medienunabh ngige Schicht Transportschicht, Vermittlungsschicht und allgemeine Teile der Sicherungsschicht f r ESHG Klasse 1;Deutsche Fassung EN 5009042:2004, Text EnglischHome and Bui

3、lding Electronic Systems (HBES) Part 42: Media independent layers Transport layer, network layer and general parts of data link layer for HBES Class 1;German version EN 5009042:2004, text EnglishSystmes lectroniques pour les foyers domestiques et les b timents (HBES) Partie 42: Couches indpendantes

4、des media Couches transport, rseau et parties gnrales de la couche donnes pour HBES Classe 1;Version allemande EN 5009042:2004, texte anglaiseAlleinverkauf der Normen durch Beuth Verlag GmbH, 10772 Berlinwww.beuth.deGesamtumfang 65 SeitenDIN EN 50090-4-2:2004-072Nationales VorwortNorm-Inhalt war ver

5、ffentlicht als E DIN EN 50090-4-2:2003-03.Fr die vorliegende Norm ist das nationale Arbeitsgremium K 716 Elektrische Systemtechnik fr Heim undGebude (ESHG) der DKE Deutsche Kommission Elektrotechnik Elektronik Informationstechnik im DIN undVDE zustndig.Die Europische Norm EN 50090-4-2:2004 besteht n

6、ur aus einer englischen Sprachfassung. Es kann davonausgegangen werden, dass die Anwender dieser Norm ber hinreichende englische Sprachkenntnisseverfgen. Fr die meisten der verwendeten Begriffe existieren keine gebruchlichen deutschen Benennun-gen, da sich die deutschen Anwender in der Regel der eng

7、lischen Benennungen bedienen.Die vorliegende Norm ist Teil der Reihe EN 50090 Elektrische Systemtechnik fr Heim und Gebude(ESHG) mit der VDE-Klassifizierung VDE 0829. Dieser Teil der Norm steht nicht in unmittelbaremZusammenhang mit Rechtsvorschriften und ist nicht als Sicherheitsnorm anzusehen. Dam

8、it entfllt dieVDE-Klassifizierung.Bei der Anwendung von DIN EN 50090-4-2 knnen Patente berhrt werden, die der europischenNormungsorganisation CENELEC mitgeteilt worden sind. Das Vorwort der vorliegenden Seite 3 im EN-Textenthlt Informationen zur Lizenzvergabe.Die Europische Norm EN 50090-4-2:2004-02

9、 Home and Building Electronic Systems (HBES) Part 4-2:Media independent layers Transport layer, network layer and general parts of data link layer for HBESClass 1 wurde vom TC 205 Elektrische Systemtechnik fr Heim und Gebude (ESHG) des EuropischenKomitees fr Elektrotechnische Normung (CENELEC) mit H

10、ilfe des CENELEC-Kooperationspartners KonnexAssociation erarbeitet.Beginn der GltigkeitDie von CENELEC am 2003-12-02 angenommene EN 50090-4-2 gilt als DIN-Norm ab 2004-07-01.Nationaler Anhang NA(informativ)Zusammenhang mit Europischen und Internationalen NormenFr den Fall einer undatierten Verweisun

11、g im normativen Text (Verweisung auf eine Norm ohne Angabe desAusgabedatums und ohne Hinweis auf eine Abschnittsnummer, eine Tabelle, ein Bild usw.) bezieht sich dieVerweisung auf die jeweils neueste gltige Ausgabe der in Bezug genommenen Norm.Fr den Fall einer datierten Verweisung im normativen Tex

12、t bezieht sich die Verweisung immer auf die inBezug genommene Ausgabe der Norm.Eine Information ber den Zusammenhang der zitierten Normen mit den entsprechenden Deutschen Normenist nachstehend wiedergegeben.DIN EN 50090-4-2:2004-073Tabelle NA.1Europische Norm Internationale Norm Deutsche NormKlassif

13、ikation imVDE-VorschriftenwerkEN 50090-1 1) EN 50090-3-2:2004 DIN EN 50090-3-2:2004 2)EN 50090-4-1:2004 DIN EN 50090-4-1:2004 2)Normen der ReiheEN 50090-5 3) Normen der ReiheISO 7498Nationaler Anhang NB(informativ)LiteraturhinweiseDIN EN 50090-3-2:2004, Elektrische Systemtechnik fr Heim und Gebude (

14、ESHG) Teil 3-2:Anwendungsaspekte Anwendungsprozess ESHG Klasse 1; Deutsche Fassung EN 50090-3-2:2004, inVorbereitung.DIN EN 50090-4-1:2004, Elektrische Systemtechnik fr Heim und Gebude (ESHG) Teil 4-1:Medienunabhngige Schicht Anwendungsschicht ESHG Klasse 1; Deutsche Fassung EN 50090-4-1:2004,in Vor

15、bereitung.1)Im Entwurfsstadium2)In Vorbereitung, voraussichtliches Ausgabedatum3)In Vorbereitung: DIN EN 50090-5-2:2004DIN EN 50090-4-2:2004-074 Leerseite EUROPISCHE NORMEUROPEAN STANDARDNORME EUROPENNEEN 50090-4-2Februar 2004ICS 35.100.05; 97.120 Ersatz fr R205-008:1996 Deutsche FassungElektrische

16、Systemtechnik fr Heim und Gebude (ESHG)Teil 4-2: Medienunabhngige Schicht Transportschicht, Vermittlungsschichtund allgemeine Teile der Sicherungsschicht fr ESHG Klasse 1Home and Building Electronic Systems (HBES)Part 4-2: Media independent layers Transportlayer, network layer and general parts of d

17、atalink layer for HBES Class 1Systmes lectroniques pour les foyersdomestiques et les btiments (HBES)Partie 4-2: Couches indpendantes des media Couches transport, rseau et parties gnralesde la couche donnes pour HBES Classe 1Diese Europische Norm wurde von CENELEC am 2003-12-02 angenommen. Die CENELE

18、C-Mitgliedersind gehalten, die CEN/CENELEC-Geschftsordnung zu erfllen, in der die Bedingungen festgelegt sind,unter denen dieser Europischen Norm ohne jede nderung der Status einer nationalen Norm zu gebenist.Auf dem letzten Stand befindliche Listen dieser nationalen Normen mit ihren bibliographisch

19、en Angabensind beim Zentralsekretariat oder bei jedem CENELEC-Mitglied auf Anfrage erhltlich.Diese Europische Norm besteht in einer offiziellen Fassung (Englisch). Eine Fassung in einer anderenSprache, die von einem CENELEC-Mitglied in eigener Verantwortung durch bersetzung in seineLandessprache gem

20、acht und dem Zentralsekretariat mitgeteilt worden ist, hat den gleichen Status wiedie offizielle Fassung.CENELEC-Mitglieder sind die nationalen elektrotechnischen Komitees von Belgien, Dnemark,Deutschland, Estland, Finnland, Frankreich, Griechenland, Irland, Island, Italien, Lettland, Litauen,Luxemb

21、urg, Malta, den Niederlanden, Norwegen, sterreich, Polen, Portugal, Schweden, der Schweiz,Slowenien, der Slowakei, Spanien, der Tschechischen Republik, Ungarn, dem Vereinigten Knigreichund Zypern.CENELECEuropisches Komitee fr Elektrotechnische NormungEuropean Committee for Electrotechnical Standardi

22、zationComit Europen de Normalisation ElectrotechniqueZentralsekretariat: rue de Stassart 35, B-1050 Brssel 2004 CENELEC Alle Rechte der Verwertung, gleich in welcher Form und in welchem Verfahren,sind weltweit den Mitgliedern von CENELEC vorbehalten.Ref. Nr. EN 50090-4-2:2004 DEN 50090-4-2:20042Cont

23、entsForeword . 3Introduction . 41 Scope 42 Normative references. 43 Terms, definitions and abbreviations 43.1 Terms and definitions . 43.2 Abbreviations . 54 Requirements for the physical layer and independent data link layer. 64.1 Functions of the data link layer . 64.2 Possible media and their imp

24、act on Layer-2 74.3 Data link layer services. 74.4 Data link layer protocol 164.5 Parameters of Layer-2 .164.6 Specific devices 175 Requirements for the network layer.175.1 Functions of the network layer .175.2 Network layer services and protocol.195.3 Parameters of the network layer 255.4 Network l

25、ayer state machines 256 Requirements for the transport layer .296.1 Functionality of the transport layer .296.2 Transport layer Protocol Data Unit (TPDU).306.3 Overview communication modes 306.4 Transport layer services 326.5 Parameters of transport layer.416.6 State machine of connection-oriented c

26、ommunication mode .42Annex A (informative) Examples of transport layer connection orientedstate machine state diagrams 54A.1 Connect and disconnect .54A.2 Reception of data .57A.3 Transmission of data 59Figure 1 Individual address . 5Figure 2 Group address 5Figure 3 Interaction of the data link laye

27、r. 7Figure 4 Exchange of primitives for the L_Data-Service . 8Figure 5 Frame_format Parameter11Figure 6 Coding of Extended Frame Format12Figure 7 Interaction of the network layer (not for Bridges or Routers) 18Figure 8 General functionality of a router or a bridge 18Figure 9 Format of the NPDU (exam

28、ple) .19Figure 10 Interaction of the transport layer .29Figure 11 Format of the TPDU (example)30Figure 12 Transport control field.30Table 1 Usage of priority.10Table 2 Actions of the connection oriented state machine .44Table 3 Transition table Style 1 .46Table 4 Transition table Style 1-rationalize

29、d 48Table 5 Transition table Style 2 .50Table 6 Transition table Style 3 .52EN 50090-4-2:20043ForewordThis European Standard was prepared by the Technical Committee CENELEC TC 205, Home and BuildingElectronic Systems (HBES) with the help of CENELEC co-operation partner Konnex Association (formerlyEH

30、BESA).The text of the draft was submitted to the Unique Acceptance Procedure and was approved by CENELEC asEN 50090-4-2 on 2003-12-02.This European Standard supersedes R205-008:1996.CENELEC takes no position concerning the evidence, validity and scope of patent rights.Konnex Association as Cooperati

31、ng Partner to CENELEC confirms that to the extent that the standardcontains patents and like rights, the Konnex Associations members are willing to negotiate licenses thereofwith applicants throughout the world on fair, reasonable and non-discriminatory terms and conditions.Konnex Association Tel.:

32、+ 32 2 775 85 90Neerveldstraat, 105 Fax.: + 32 2 675 50 28Twin House e-mail: infokonnex.orgB - 1200 Brussels www.konnex.orgAttention is drawn to the possibility that some of the elements of this standard may be the subject of patentrights other than those identified above. CENELEC shall not be held

33、responsible for identifying any or all suchpatent rights.The following dates were fixed: latest date by which the EN has to be implementedat national level by publication of an identicalnational standard or by endorsement (dop) 2004-12-01 latest date by which the national standards conflictingwith t

34、he EN have to be withdrawn (dow) 2006-12-01EN 50090-4-2 is part of the EN 50090 series of European Standards, which will comprise the following parts:Part 1: Standardization structurePart 2: System overviewPart 3: Aspects of applicationPart 4: Media independent layersPart 5: Media and media dependen

35、t layersPart 6: InterfacesPart 7: System managementPart 8: Conformity assessment of productsPart 9: Installation requirementsEN 50090-4-2:20044IntroductionThis standard specifies the Media independent requirements for the data link layer and the requirements forthe network layer and the transport la

36、yer for Home and Building Electronic Systems.This standard provides the communication stack targeted for providing the services specified inEN 50090-3-2 User Process and EN 50090-4-1 Application Layer for HBES Class 1. It can be used ascommunication stack on the physical layers as specified in EN 50

37、090-5.1 ScopeThis part of the EN 50090 specifies the services and protocol in a physical layer independent way for the datalink layer and for the network layer and the transport layer for usage in Home and Building ElectronicSystems2 Normative referencesThe following referenced documents are indispe

38、nsable for the application of this document. For datedreferences, only the edition cited applies. For undated references, the latest edition of the referenceddocument (including any amendments) applies.EN 50090-1 1)Home and Building Electronic Systems (HBES) Part 1: Standardisation structureEN 50090

39、-3-2:2004 Home and Building Electronic Systems (HBES) Part 3-2: Aspects of application User process for HBES Class 1EN 50090-4-1:2004 Home and Building Electronic Systems (HBES) Part 4-1: Media independent layers Application layer for HBES Class 1EN 50090-5 series Home and Building Electronic System

40、s (HBES) Part 5: Media and media dependent layersISO 7498 series Information technology - Open Systems Interconnection - Basic reference model3 Terms, definitions and abbreviations3.1 Terms and definitionsFor the purposes of this part the terms and definitions given in EN 50090-1 and the following a

41、pply.3.1.1individual addressIAunique identifier for every device in a network. The individual address is a 2-octet value that consists of an8-bit subnetwork address and an 8-bit device address1)At draft stage.EN 50090-4-2:200453.1.2sub network addressSNApart of the individual address, consists of a

42、4-bit line address and a 4-bit area address, that specifies thesubnetwork in which the device is mounted3.1.3area addresspart of the individual address that specifies the area in which the device is mounted3.1.4line addresspart of the individual address that specifies the line in which the device is

43、 mounted3.1.5device addressunique identifier for every device in a subnetwork. The device address is an 8-bit valueNOTE Figure 1 shows the relationship between individual address, subnetwork address, area address, line address and deviceaddress.Individual AddressOctet 0 Octet 17654321076543210AreaAd

44、dressLineAddressSubnetwork AddressDevice AddressFigure 1 Individual address3.1.6group addressGAa 2-octet valueGroup AddressOctet 0 Octet 17 654321076543210Main Group Sub GroupFigure 2 Group address3.1.7datagramfull sequence of elements (physical symbols) transporting a frame on the physical medium3.

45、1.8framesequence of octets exchanged between data link layers through the physical layer3.2 Abbreviationsack AcknowledgeAPDU Application layer Protocol Data Unitcon confirmationEN 50090-4-2:20046GA Group AddressHBES Class 1 refers to simple control and command.HBES Class 2 refers to Class 1 plus sim

46、ple voice and stable picture transmissionHBES Class 3 refers to Class 2 plus complex video transfersIA Individual Addressind indicationiack Immediate AcknowledgeLPDU Link layer Protocol Data UnitLSDU Link layer Service Data Unitnack Negative AcknowledgeNPDU Network layer Protocol Data UnitNSDU Netwo

47、rk layer Service Data UnitPDU Protocol Data Unitreq requestSNA Sub-Network AddressTSAP Transport layer Service Access PointTPDU Transport layer Protocol Data UnitUART Universal Asynchronous Receiver Transmitter4 Requirements for the physical layer and independent data link layer4.1 Functions of the

48、data link layerThe data link layer (also called “Layer-2“) is the layer between the data link layer user and the physical layer.The data link layer conforms to the definitions of the ISO/OSI model (ISO 7498) data link layer. It providesmedium access control and logical link control.The data link lay

49、er is concerned with reliable transport of single frames between two or more devices on thesame subnetwork.When transmitting it is responsible for- building up a complete frame from the information passed to it by the network layer,- gaining access to the medium according to the particular medium access protocol in use, and- transmitting the frame to the data link layer in the peer entity or entit

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