ISO 26143:2013 (CCSDS 911.5-B-2) Preview
Space data and information transfer systems -- Space link extension (SLE) -- Return operational control fields service
ISO 26143:2013 defines the space link extension (SLE) return operational control fields (ROCF) service in accordance with the SLE Reference Model (ISO 15396:2007). The ROCF service is an SLE transfer service that delivers to a mission user all operational control fields from one master channel or one virtual channel.
ISO 26143:2013 defines the ROCF service in terms of
- the operations necessary to provide the 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 acquire telemetry frames from signals received from a spacecraft,
- the methods or technologies required to provide a suitable environment for communications, or
- the management activities required to schedule, configure, and control the ROCF service.
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