1、INTERNATIONAL TELECOMMUNICATION UNION)45G134 “ TELECOMMUNICATIONSTANDARDIZATION SECTOROF ITU-%!.3G0G0/&G0G0%802%33)/.2!0()#!,G0G039-“/,3G0G0!.$G0G025,%3G0G0&/24(%G0G002%0!2!4)/.G0G0/&G0G0$/#5-%.4!4)/.G0G0).4%,%#/-5.)#!4)/.3)45G134G0G0RecommendationG0G0“ (Extract from the “LUEG0“OOK)NOTES1 ITU-T Reco
2、mmendation B.10 was published in Fascicle I.3 of the Blue Book. This file is an extract from theBlue Book. While the presentation and layout of the text might be slightly different from the Blue Book version, thecontents of the file are identical to the Blue Book version and copyright conditions rem
3、ain unchanged (see below).2 In this Recommendation, the expression “Administration” is used for conciseness to indicate both atelecommunication administration and a recognized operating agency. ITU 1988, 1993All rights reserved. No part of this publication may be reproduced or utilized in any form o
4、r by any means, electronic ormechanical, including photocopying and microfilm, without permission in writing from the ITU.Fascicle I.3 - Rec. B.10 1Recommendation B.101)Fascicle I.3 - Rec. B.10GRAPHICAL SYMBOLS AND RULES FOR THE PREPARATION OF DOCUMENTATIONIN TELECOMMUNICATIONSThe CCITT,which cooper
5、ates in the work of the CCI/IEC Joint Working Group set up for the purpose of establishinginternationally agreed graphical symbols and rules for the preparation of documentation and for item designations (seeCCITT Recommendation A.13 or CCIR Resolution 23),recommendsthat, on diagrams for internation
6、al use concerning telecommunications, the Administrations and recognizedprivate operating agencies of the CCIs and CCI Secretariats should use the graphical symbols for diagrams given inIEC Series 617 publications and should observe the rules for the preparation of documentation and for item designa
7、tionlaid down in IEC, Publications 113 and 750.Administrations wishing to use symbols on equipment are recommended to refer to IEC Publication 417.Note 1 See CCIR Resolution 23.Note 2 References of relevant publications (updated in 1988).IEC Publication 113: “Diagrams, charts, tables”113-1 (1971) (D
8、efinitions and classification)113-2 (1971) (Item designation of components) replaced by Publication 750113-3 (1974) (General recommendations for the preparation of diagrams)113-4 (1975) (Recommendations for the preparation of circuit diagrams)113-5 (1975) (Preparation of interconnection diagrams and
9、 tables)113-6 (1976 andAmend. 1 1983) (Preparation of unit wiring diagrams and tables)113-7 (1981) (Preparation of logic diagrams)113-8 (1982 andAmend. 1 1983) (Preparation of diagrams for system manuals)IEC Publication 117: “Recommended graphical symbols”, replaced by Publication 617IEC Publication
10、 416: (1972 and 1978 amendment No. 1): “General principles for the formulation of graphicalsymbols”IEC Publications 417: (1973 and 7 supplements of 1974, 1975, 1977, 1978, 1980, 1982 and 1985): “Graphicalsymbols for use on equipment”IEC Publication 617: “Graphical symbols for diagrams”617-1 (1985):
11、General information, General Index. Cross-reference tables617-2 (1983): Symbol elements, qualifying symbols and other symbols having general application617-3 (1983) Conductors and connecting devices617-4 (1983) Passive components_1)A similar text will be submitted to the CCIR as a revision of Rec. 4
12、61-3.2 Fascicle I.3 - Rec. B.10617-5 (1983) Semi-conductors and electron tubes617-6 (1983) Production and conversion of electrical energy617-7 (1983) Switchgear, controlgear and protective devices617-8 (1983) Measuring instruments, lamps and signalling devices617-9 (1983) Telecommunications: Switching and peripheral equipment617-10 (1983) Telecommunication: Transmission617-11 (1983) Architectural and topographical installation plans and diagrams617-12 (1983) Binary logic elements617-13 (1983) Analogue elementsIEC Publication (1983): “Item designation in electrotechnology”
