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CSA ISO/IEC 11185-10

95th Edition, April 1995

Complete Document

Information Technology - International Standardized Profiles FVT2nn - Virtual Terminal Basic Class - Register of Control Object Type Definitions - Part 10: FVT231 - Forms FEPCO (Field Entry Pilot Control Object) No. 1

Includes all amendments and changes through Reaffirmation Notice , 2004

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Product Details:

  • Revision: 95th Edition, April 1995
  • Published Date: January 2004
  • Status: Not Active, See comments below
  • Document Language: English
  • Published By: CSA Group (CSA)
  • Page Count: 24
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:


The concept of Profiles for OSI, and the structure of the International Standardized Profiles that document them, are defined in ISO/IEC TR 10000-1. Such Profiles are divided into a number of different classes and sub-classes. Two of these classes contain sub-classes comprising functions of the Virtual Terminal Basic Class Service and Protocol specified in the base standards ISO 9040 and ISO 9041. These are the Application Profiles (A-Profiles) and the Interchange Format and Representation Profiles (F-Profiles).

The relationship between A-Profiles and F-Profiles is described in 7.3.2 of ISO/IEC TR 10000-1 and is as follows. Application Layer base standards require, implicitly or explicitly, the str ucture of information carried or referenced by them to be specified for each instance of communication. It is the purpose of F-Profiles to specify such information structures. Particular functional requirements may then be met my the combination of an A-Profile with one or more F-Profiles.

Establishment of a VT-association involves the selection by negotiation of a particular Virtual Terminal Environment profile (VTE-profile), and of particular values for any arguments of that VTE-profile. The VTE-profile specification, and possibly a lso the values of certain VTE-profile arguments, may in turn reference the definitions of VT control object types and assignment types. These VTE-profiles, control object types and assignment types are thus information structures that require explicit reference within the VT protocol. Particular instances of these structures are fully defined within the base standards, but the base standards also provide for further instances to be defined by registration. Each registered instance constitutes an F-Profile within the framework of ISO/IEC TR 10000.

The Virtual Terminal Basic Class Service and Protocol may be used to realise a wide range of distinct functions. Particular functions may be realised through the selection of appropriate VT functional units, F-Profiles and other VTE-profile argument values. The specification of the selection required to realise a particular function and to promote interoperability constitutes a Virtual Terminal A-Profile within the framework of ISO/IEC TR 10000.

The three International Registers of VT information structures and the specifications of VT Application Profiles are each published as a separate multi-part ISP as follows:

- ISO/IEC ISP 11184 is the Register of VTE-profiles;

- ISO/IEC ISP 11185 is the Register of control object type definitions;

- ISO/IEC ISP 11186 is the Register of assignment-type definitions;

- ISO/IEC ISP 11187 contains the specifications of VT Application Profiles.

This part of ISO/IEC ISP 11185 contains the type definition of a Field Entry Instruction Control Object that provides substantial capabilities for local validation of data entry under application control. It is intended for use in form-filling and similar applications. The delegation of such verification to the terminal end system may reduce significantly the demands placed on the communication network and the application process, and may substantially improve the reaction time to users' actions