ISO 26143-2021 PDF
Name in English:
St ISO 26143-2021
Name in Russian:
Ст ISO 26143-2021
Original standard ISO 26143-2021 in PDF full version. Additional info + preview on request
Full title and description
Space data and information transfer systems — Space link extension (SLE) — Return operational control fields service specification. ISO 26143:2021 defines the SLE Return Operational Control Fields (ROCF) transfer service used to deliver operational control-field data from a master channel or virtual channel to a mission user, establishing the abstract service operations, parameters and behaviours required for interoperable cross‑support between ground systems.
Abstract
ISO 26143:2021 specifies, in an abstract manner, the ROCF service in conformance with the SLE Reference Model. It defines the operations necessary to provide the ROCF service, the parameters associated with each operation, the behaviours resulting from operation invocation and the valid sequences and relationships among operations. The standard is intentionally implementation‑neutral and does not prescribe internal system architectures, signal acquisition methods, communications technologies or operational management practices.
General information
- Status: Published
- Publication date: 30 June 2021
- Publisher: International Organization for Standardization (ISO)
- ICS / categories: 49.140 (Space systems and operations)
- Edition / version: 3rd edition (2021)
- Number of pages: 144
Scope
This standard defines the Space Link Extension (SLE) Return Operational Control Fields (ROCF) service for transfer of operational control-field information from a single master or virtual channel to a mission user. It covers the abstract service interface: service operations, input/output parameters, response behaviours and allowable operation sequences. The document explicitly excludes product‑level implementation details, internal entity interfaces, spacecraft signal acquisition techniques, communications layer implementations and service scheduling/management procedures.
Key topics and requirements
- Definition of the ROCF transfer service and its purpose within SLE.
- Formal specification of service operations (bind, unbind, transfer, status, etc.) and their parameters.
- Operational behaviours and state transitions resulting from service operations.
- Sequencing rules and valid invocation patterns for operations.
- Interoperability and conformance to the SLE reference model (cross‑support considerations).
- Security and data integrity considerations specified at the service interface level (implementation left open).
- Explicit exclusions: no prescriptions for implementation architecture, physical-layer acquisition, or mission scheduling procedures.
Typical use and users
ISO 26143:2021 is used by space agencies, ground segment system integrators, satellite operators, mission operations centres, spacecraft ground‑station vendors and software engineers implementing SLE service providers or user applications. Typical uses include specifying service contracts for cross‑support, guiding SLE interface implementation in mission control and ground systems, and verifying interoperability between service providers and mission users.
Related standards
Key related documents and families include the SLE Reference Model (ISO 15396), other SLE service specifications (for example Return‑All‑Frames and Return‑All‑Packets services), CCSDS Space Link Extension recommended standards, and earlier editions of ISO 26143 (the 2013 edition). Implementers commonly consult CCSDS SLE specifications and the wider CCSDS telemetry/telecommand recommendations for complementary technical detail.
Keywords
Space Link Extension, SLE, ROCF, Return Operational Control Fields, space data transfer, CCSDS, interoperability, ground segment, telemetry, mission operations
FAQ
Q: What is this standard?
A: ISO 26143:2021 specifies the abstract interface and behaviour of the Space Link Extension Return Operational Control Fields (ROCF) service, used to deliver operational control-field data from a master or virtual channel to a mission user.
Q: What does it cover?
A: It covers the ROCF service operations, the parameters associated with each operation, the resulting behaviours and the valid sequences of operations. It does not cover implementation details, physical signal acquisition, communications technology selection or operational scheduling procedures.
Q: Who typically uses it?
A: Space agencies, ground segment vendors and system integrators, mission operations centres, satellite operators and software developers implementing or testing SLE service providers and users.
Q: Is it current or superseded?
A: ISO 26143:2021 (third edition, published 30 June 2021) is the published, current edition that supersedes the previous 2013 edition. For the absolute latest status or any amendments after 30 June 2021, consult your national standards body or ISO catalog.
Q: Is it part of a series?
A: Yes. ISO 26143 is part of the SLE family of specifications and aligns with the SLE Reference Model (ISO 15396) and other SLE/CCSDS service specifications (e.g., Return‑All‑Frames). It forms part of the broader CCSDS/ISO portfolio for space data and information transfer systems.
Q: What are the key keywords?
A: SLE, ROCF, Return operational control fields, space data transfer, interoperability, CCSDS, ground segment, telemetry.