Space data and information transfer systems. Space link extension (SLE). Forward communications link transmission unit (CLTU) service specification
This Recommended Standard 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.
| SDO | BSI: British Standards Institution |
| Document Number | ISO 22671 |
| Publication Date | July 20, 2021 |
| Language | en - English |
| Page Count | 152 |
| Revision Level | |
| Supercedes | |
| Committee | ACE/68 |
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