1、BRITISH STANDARD BS EN 60933-4:1994 IEC 933-4: 1994 Audio, video and audiovisual systems Interconnections and matching values Part4: Connector and cordset for domestic digital bus (D2B) The European Standard EN60933-4:1994 has the status of a British Standard UDC 621.397:621.316.541BS EN60933-4:1994
2、 This British Standard, having been prepared under thedirectionof the ElectrotechnicalSector Board,waspublished undertheauthority of the StandardsBoard and comesintoeffect on 15 November1994 BSI11-1999 The following BSI references relate to the work on this standard: Committee reference EEL/32 Draft
3、 for comment88/25976 DC ISBN 0 580 23467 3 Cooperating organizations The European Committee for Electrotechnical Standardization (CENELEC), under whose supervision this European Standard was prepared, comprises the national committees of the following countries: Austria Italy Belgium Luxembourg Denm
4、ark Netherlands Finland Norway France Portugal Germany Spain Greece Sweden Iceland Switzerland Ireland United Kingdom Amendments issued since publication Amd. No. Date CommentsBSEN60933-4:1994 BSI 11-1999 i Contents Page Cooperating organizations Inside front cover National foreword ii Foreword 2 1
5、Scope 3 2 Normative references 3 3 Definitions and abbreviations 3 4 Application and contact designation 3 5 Cordsets 5 Annex ZA (normative) Other international publications quoted in this standardwith the references of the relevant European publications 6 National annex NA (informative) Committees
6、responsible Inside back cover National annex NB (informative) Cross-reference Inside back cover Figure 1 Contact designation 4 Figure 2 Interconnections of devices in a D2B system 5 Figure 3 Connections in cordsets equipped with connectors of the samegenderat each end 5 Table 1 4BSEN60933-4:1994 ii
7、BSI 11-1999 National foreword This British Standard has been prepared under the direction of the Electrotechnical Sector Board and is the English language version of EN60933-4:1994 Audio, video and audiovisual systems. Interconnections and matching values Part4: Connector and cordset for domestic di
8、gital bus (D2B), published by the European Committee for Electrotechnical Standardization (CENELEC). It is identical with IEC933-4:1994, published by the International Electrotechnical Commission (IEC). A British Standard does not purport to include all the necessary provisions of a contract. Users
9、of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, pagesi andii, theEN title page, pages2 to6, an inside back
10、cover and a back cover. This standard has been updated (see copyright date) and may have had amendments incorporated. This will be indicated in the amendment table on the inside front cover.EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN60933-4 May1994 UDC 621.397:621.316.541 Descriptors: Video
11、 recording, sound recording, data recording, home electronic systems, data bus, appliance interconnexion, transmission, control signal, connectors, designation English version Audio, video and audiovisual systems Interconnections and matching values Part4: Connector and cordset for domestic digital
12、bus (D2B) (IEC933-4:1994) Systmes audio, vido et audiovisuels Interconnexions et valeurs dadaptation Partie4: Connecteurs et cordons pour les bus numriques usages domestiques (D2B) (CEI933-4:1994) Audio-, Video- und audiovisuelle Anlagen Verbindungen und Anpawerte Teil4: Steckverbinder und Gerteansc
13、hluleitung fr den digitalen Bus fr Heimanwendungen (D2B) (IEC933-4:1994) This European Standard was approved by CENELEC on1994-03-08. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a nationa
14、l 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 CENELEC member. This European Standard exists in three official versions (English, French, German). A version in a
15、ny other language made by translation under the responsibility of a CENELEC member into its own language and notified to the Central Secretariat has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Denmark, Finland, France, G
16、ermany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom. CENELEC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Central
17、Secretariat: rue de Stassart 35, B-1050 Brussels 1994 Copyright reserved to CENELEC members Ref. No. EN60933-4:1994 EEN60933-4:1994 BSI 11-1999 2 Foreword The text of document84(CO)157, as prepared by IEC Technical Committee84: Equipment and systems in the field of audio, video and audiovisual engin
18、eering, was submitted to the IEC-CENELEC parallel vote in August1993. The reference document was approved by CENELEC as EN60933-4 on8 March1994. The following dates were fixed: Annexes designated “normative” are part of the body of the standard. In this standard, Annex ZA is normative. latest date o
19、f publication ofan identical national standard (dop) 1995-04-01 latest date of withdrawal of conflicting national standards (dow) 1995-04-01EN60933-4:1994 BSI 11-1999 3 1 Scope This International Standard deals with the application of a connector and cordset for transmitting domestic digital bus (D2
20、B) control data signals independently from other (audio and video) signals. NOTEThe mechanical and electrical specifications for maintaining interchangeability of connectors originating from different manufacturers are under consideration by IEC sub-committee48B. 2 Normative references The following
21、 normative document contains provisions which, through reference in this text, constitute provisions of this International Standard. At the time of publication, the edition indicated was valid. All normative documents are subject to revision, and parties to agreements based on this International Sta
22、ndard are encouraged to investigate the possibility of applying the most recent edition of the normative document indicated below. Members of IEC and ISO maintain registers of currently valid International Standards. IEC1030:1991, Audio, video and audiovisual systems Domestic Digital Bus (D2B). 3 De
23、finitions and abbreviations None. 4 Application and contact designation The contact designation is given in Figure 1. The contact numbers are given as seen on the mating face of the pin connector. The fixed connector consists of two receptacles (sockets), each having a switch activated when a plug i
24、s inserted. Therefore the termination resistor R t (1207) of the D2B control bus is automatically provided at the terminating device at both ends of the cable. EN60933-4:1994 4 BSI 11-1999 The application and the designation of the contacts shall be as given in Table 1. Table 1 NOTEThe switches S 1a
25、nd S 2are normally closed, and open when a connector is inserted. Termination resistance R t =1207. Figure 1 Contact designation Contact number Contact designation 1 2 3 Send/Receive(+) (D2B+) Send/Receive() (D2B) Ground NOTEShielding of the connector is not required.EN60933-4:1994 BSI 11-1999 5 5 C
26、ordsets 5.1 Cordset connections The various devices in the system are connected according to the daisy-chain principle as shown in Figure 2. 5.2 Cable specification The cable is specified in IEC1030. NOTEShielding of the cable is not required. 5.3 Marking and layout Figure 2 Interconnections of devi
27、ces in a D2B system Figure 3 Connections in cordsets equipped with connectors of the same gender at each endEN60933-4:1994 6 BSI 11-1999 Annex ZA (normative) Other international publications quoted in this standard with the references of the relevant European publications This European Standard inco
28、rporates by dated or undated reference, provisions from other publications. These normative references are cited at the appropriate places in the text and the publications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this Eur
29、opean Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to applies. NOTEWhen the international publication has been modified by CENELEC common modifications, indicated by (mod), the relevant EN/HD applies. IEC public
30、ation Date Title EN/HD Date 1030 1991 Audio, video and audiovisual systems Domestic Digital Bus (D2B) EN61030 a 1993 a EN61030 includes A1:1993 to IEC1030BSEN60933-4:1994 BSI 11-1999 National annex NA (informative) Committees responsible The United Kingdom participation in the preparation of this Eu
31、ropean Standard was entrusted by the Electronic Equipment Standards Policy Committee (EEL/-) to Technical Committee EEL/32 upon which the following bodies were represented: Association of British Theatre Technicians Audio Engineering Society British Broadcasting Corporation British Educational Suppl
32、iers Association British Radio and Electronic Equipment Manufacturers Association British Telecommunications plc Consumers Association Federation of British Audio Federation of the Electronics Industry Independent Television Association Institution of Electrical Engineers International Association o
33、f Broadcasting Manufacturers National Council for Educational Technology (NCET) Professional Lighting and Sound Association Radio Electrical and Television Retailers Association Royal Institute of British Architects Royal National Institute for Deaf People Society of Cable Television Engineers Sound
34、 and Communication Industries Federation National annex NB (informative) Cross-reference Publication referred to Corresponding British Standard EN61030:1993 (IEC1030:1991) BS EN61030:1993 Specification for domestic digital bus (D2B) for audio, video and audiovisual systemsBSEN 60933-4:1994 IEC933-4:
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