Status : Withdrawn

This standard has been revised by ISO 22671:2011

Abstract

ISO 22671:2007 defines the communications link transmission unit (CLTU) service in conformance with the transfer services specified in ISO 15396:1998. The forward CLTU service is a space link extension (SLE) transfer service that enables a mission to send communications link transmission units (CLTUs) to a spacecraft.

ISO 22671:2007 defines, in an abstract manner, the forward CLTU service in terms of

  • the operations necessary to provide the transfer service;
  • the parameter data associated with each operation;
  • the behaviors that result from the invocation of each operation; and
  • the relationship between, and the valid sequence of, the operations and resulting behaviors.

It does not specify

  • individual implementations or products;
  • the implementation of entities or interfaces within real systems;
  • the methods or technologies required to radiate data to a spacecraft and to acquire telemetry frames from the signals received from that spacecraft for extraction of the Operational Control Field;
  • the methods or technologies required for communications; or
  • the management activities necessary to schedule, configure, and control the forward CLTU service.

General information

  • Status
     : Withdrawn
    Publication date
     : 2007-02
    Stage
    : Withdrawal of International Standard [95.99]
  • Edition
     : 2
    Number of pages
     : 149
  • Technical Committee :
    ISO/TC 20/SC 13
    ICS :
    49.140 
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