Abstract
PreviewThis document defines the Communications Link Transmission Unit (CLTU) service in conformance with the transfer services specified in reference [1], Cross Support Reference Model—Part 1: SLE Services. 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.
This document 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.
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Status: PublishedPublication date: 2021-06
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Edition: 4Number of pages: 143
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- ICS :
- 49.140 Space systems and operations
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| Format | Language | |
|---|---|---|
| std 1 208 | ||
| std 2 208 | Paper |
- CHF208
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WithdrawnISO 22671:2011
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