1、INTERNATIONAL TELECOMMUNICATION UNION)45G134 : TELECOMMUNICATIONSTANDARDIZATION SECTOROF ITU-!.G13-!#().%G0G0,!.5!%).42/$5#4)/.G0G04/G0G039.4!8G0G0!.$G0G0$)!,/5%02/#%$52%3)45G134G0G0RecommendationG0G0: (Extract from the “LUEG0“OOK)NOTES1 ITU-T Recommendation Z.311 was published in Fascicle X.7 of th
2、e 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 remain unchanged (see below).2 In this Recommendation,
3、 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 or by any means, electronic ormechanical, including
4、photocopying and microfilm, without permission in writing from the ITU.Fascicle X.7 - Rec. Z.311 1Recommendation Z.311Fascicle X.7 - Rec. Z.311INTRODUCTION TO SYNTAX AND DIALOGUE PROCEDURES1 Scope of the SectionSection 2 deals with syntax and dialogue procedures for terminals where no advantage is t
5、aken or can be takenof enhanced input and output facilities which are usually available on VDTs. This basic MML is therefore compatiblewith the use of VDTs used in the manner of teletypewriters, hard copy printers, etc., at the man-machine interface.2 Organization of Section 2Section 2 consists of t
6、he following Recommendations:Z.311 Introduction to syntax and dialogue proceduresZ.312 Basic format layoutZ.313 (spare)Z.314 The character set and basic elementsZ.315 Input (command) language syntax specificationZ.316 Output language syntax specificationZ.317 Man-machine dialogue procedures.Recommen
7、dation Z.317 describes the operational procedures for a dialogue between user and system. Foraspects of input syntax, reference is made to Recommendation Z.315 and for aspects of output syntax, reference ismade to Recommendation Z.316. Recommendation Z.316 also deals with output outside dialogue. The specification ofbasic syntax elements for input and output, together with the characters to be used, is contained in RecommendationZ.314. Formats to be used on teletypewriters and hard copy printers are described in Recommendation Z.312.
