ISO 6936 INTERNATIONAL STANDARD Second edition 1988-09-15 INTERNATIONAL ORGANIZATION FOR STANDARDIZATION ORGANISATION INTERNATIONALE DE NORMALISATION MEXKAYHAPOAHAA OPIAHM3ALMA O CTAHAAPTM3ALMM Information processing Conversion between the two coded character sets of ISO 646 and ISO 6937-2 and the CCITT international telegraph alphabet No. 2 (ITA 2) Traitement de I'information - Conversion entre les jeux de caracteres codes de I'isO 646 et I'ISO 6937-2 et I'alphabet telegraphique international CC/TT no 2 (ITA 2) Reference number ISO 6936 : 1988 (E) Copyright International Organization for Standardization ed without license from IHS Not for Resale ISO 6936 : 1988 (E) Foreword Iso (the International Organization for Standardization) is a worldwide federation of national standards bodies (IsO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, govern- mental and non-governmental, in liaison with ISo, also take part in the work. IsO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. Draft International Standards adopted by the technical committees are circulated to the member bodies for approval before their acceptance as International Standards by the ISO Council. They are approved in accordance with ISO procedures requiring at Information processing systems. This second edition cancels and replaces the first edition (ISO 6936 : 1983), of which it constitutes a technical revision. Annex A of this International Standard is for information only. International Organization for Standardization, 1988 Printed in Switzerland Copyright International Organization for Standardization ed without license from IHS Not for Resale ISO 6936 : 1988 (E) INTERNATIONAL STANDARD Information processing - Conversion between the two coded character sets of ISO 646 and ISO 6937-2 and the CCITT international telegraph alphabet No. 2 (ITA 2) Scope CCITT Recommendation S.18 (Geneva, 1984), Conversions 1 between Alphabets. The International Standard specifies rules for conversion between the 58 characters (including control functions) of the CCITT International Telegraph Alphabet No. 2 (CCITT Re- 3 Rules for code conversion commendation F.1) and the characters of the ISO 646 and ISO 6937-2 coded character sets. 3.1 Conversion from ITA 2 to ISO 646 or ISO 6937-2 This International Standard does not specify whether small or The conversion of characters shall be as specified in table 1. capital letters will be used to represent the alphabetic characters of ITA 2. Characters for which there are no direct equivalents shall be represented by the graphical representation of the substitute This International Standard is expected to facilitate interwork- character SUB, unless prior agreement has been made ing between, for example, the international telex service and between the interchange parties. terminals in data networks in cases where the telex character repertoire is sufficient. NOTE -- Annex A, together with table A.1, provides information on aiternative conversions which are in general use in some countries. 2 Normative references 3.2 Conversion from ISO646 orISO6937-2 to ITA 2 The following standards contain provisions which, through The conversion of the characters of Iso 646 or the characters reference in this text, constitute provisions of this Internationa! of the primary set of ISO 6937-2 shall be as specified in table 2. Standard. At the time of publication, the editions indicated were:valid. All standards are subject to revision, and parties to The non-spacing characters in the supplementary set of agreements based on this International Standard are encour. ISO 6937-2 shail be removed from the character string; all other aged'to inves