1、 TJTE07-a3 Page E 1 Recommendation T/TE 07-03 (Edinburgh 1988) O INTERCHANGE OF TELETEX DOCUMENTS Recommendation proposed by the Working Group T/WG 10 “Terminal Equipment” (TE) Text of the Recommendation adopted by the “Telecoiniitmicntioiis” Commission: “The European Conference of Posts and Telecom
2、munications Administrations, considering - the work undertaken within CEPT with the view to harmonise international telecommunication, - that TELETEX services are implemented in a number of countries, - that CCIT Recommendations T.60, T.61, T.62 and T.70 describe the technical requirements for termi
3、nal - that CEPT SWG TE 2 has studied the harmonisation of TELETEX terminals under study point TC1, recommends to the member Administrations of the CEPT to apply the specifications contained in the following pages for the interchange of Teletex documents. equipment, O Edition of June 30, 1989 = 232b4
4、14 0010156 3 = TITE 07-03 E Page 2 O. 1. 2. 2.1. 2.2 3. 4. 5. _- - INTRODUCTION The concept and structure of Funtional Standards for Information Systems Interconnection are laid down in the CEN/CENELEC/CEPT Memorandum M-IT-01. The purpose of a Functional Standard is to recommend when and how certain
5、 information technology standards should be used. This Functional Standard specifies the exchange of Teletex documents between two end systems, which may be Teletex terminals, as defined in the CEN/CENELEC/CEPT Memorandum M-IT-02. SCOPE AND FIELD OF APPLICATION This Functional Standard is intended t
6、o be used with and identified within functional standards that specify the control procedures, the character repertoire and its coding scheme, and the functionality at application level for devices used for the exchange of Teletex documents. REFERENCES Reference Standards CCITT Recommendation T.60:
7、Terminal equipment for tise in the Teletex service (1988) CCITT Recommendation T.61: Chasactes sepestoise and coded character sets for the interna- tianal Teletex service (1988) CCITT Recommendation T.62: Control procedures for Teletex and Group 4 Facsimile Services (1988) CCITT Recornmendation T.63
8、 : Provisions for verijcation of Teletex terminal compliance (1988) CCITT Recommendation T.64: Recommendation of Test Procedures for Teletex (1988) CCITT Recommendation T.65 : Applicability of telematic protocols and terminal chasacteristics to computerized communication terminals (CCTs) (1988) CEPT
9、 Recommendation TITE 07-01 bis E: Specijcation of Teletex terminal equipment (1988) CEPT Recommendation TITE 07-02 E: Test procedures for testing Teletex communication protocol and terminal aspects (1988) Additional References M-IT-O 1 CENICENELECICEPT Memorandum on the Concept and Structure of Func
10、tional Standards for Information Technology (March 1986) M-IT-02 CENICENELECICEPT Memorandum on Directory of Functional Standards (March 1987) ENV 41502 ENV (FS C/llx) Graphic Character Repertoire and Coding for Interworking with CEPT Teletex Servi- ces (March 1987) Basic Teletex Service (1988) DEFI
11、NITIONS The terms used in this Functional Standard are defined in the Reference Standards. ABBREVIATIONS The abbreviations used in this Functional Standard are defined in the Reference Standards. SCENARIO DESCRIPTION Exchange of Teletex documents between two end systems, which may be Teletex termina
12、ls. Note. This Functional Standard does not make recommendations in relation to the local functionality of a Teletex terminal as specified in CCITT Recommendation T.60, but only in relation to the function of exchange of documents and interworking between these terminals. Implementations of systems
13、interworking with Teletex terminals can also be achieved on the basis of CCITT Recommendation X. 215/X. 225 or IS0 DIS 8326/7 in compatibility with CCITT Recommendation T.62, as specified in CCITT Recommendation T.62bis. The overall operation of the Teletex Service is defined in CCIT Recommendation
14、F.200. See Functional Standards C/llx for the use of this Functional Standard A/221 in combination with the relevant TI- Functional Standards in the context of the Teletex Service. Systems supporting this Functional Standard Al221 may also interchange Teletex Documents using any T/- Functional Stand
15、ard which offers the Connection Oriented Transport Service. Edition of June 30, 1989 6. O 7. 8. 9. TITE 07-03 E Page 3 CONFORMANCE REQUIREMENTS The exchange of Teletex documents between two end systems is in conformity with this Functional Standard, if the end systems fullls the provisions laid down
16、 in CCITT Recommendations T.63 and T.64 and CEPT Recommendation T/TE 07-02. SESSION LAYER DESCRTPTION The implementation of the session layer shall be fully in line with the provisions laid down and described in CCITT Recommendation T. 62 together with CEPT Recommendation T/A 07-01 bis E. PRESENTATI
17、ON LAYER DESCRIPTION The implementation of the presentation layer shall be fuily in line with the provisions laid down and described in CCITT Recommendation T.61 together with CEPT Recommendation T/A 07-01 bis E. Note. See also ENV 41 502 for further information on character repertoire and its codin
18、g in relation to IS0 standards. APPLICATION LAYER DESCRIPTION The implementation of the application layer for terminals wishing to exchange Teletex documents (but not participating in the Teletex service) shail be fully in line with CCITT Recommendation T.60 together with CEPT Recommendation T/A 07-
19、01 bis E except for the following: a) may or may not support full automatic operation; b) may or may not be capable of interworking with telex; c) may use fail-back representation for presenting the Basic Teletex Character Repertoire; d) may make use of a different terminal identification than defined for the basic Teletex service. Edition of June 30, 1989
