Standards

  • ISTO STD MOSA-IF-S-001: Common Payload Interface Standard – Command and Data Handling
    • This Standard specifies an architecture for achieving a standardized bus to payload command and data handling interface and requires the use of SpaceWire and sRIO.
  • ISTO STD MOSA-IF-S-001 w/ Change 1: Common Payload Interface Standard – Command and Data Handling
    • This Standard specifies an architecture for achieving a standardized bus to payload command and data handling interface and requires the use of SpaceWire and sRIO. This version was updated to specify the same connector pinout as the MOSA-IF-S-002.
  • ISTO STD MOSA-IF-S-002: MOSA Payload Manager Interface Standard
    • This Standard specifies the same architecture as MOSA-IF-S-001 for achieving a standardized bus to payload command and data handling interface, however it replaces sRIO with Ethernet.
  • ISTO STD MOSA-IF-S-003, Volume 1: MOSA User Experience/User Interface Standard
    • This standard establishes requirements for creating an improved “common look and feel” console for satellite operations.
    • This standard is the first of 3 expected volumes.
  • ISTO STD MOSA-SE-S-001: Test Requirements for Ground Systems Standard
    • This standard establishes the requirements for functional, performance, and environmental testing during Government development test and evaluation (DT&E) and operational test and evaluation (OT&E) events for ground systems, subsystems, and units that support the launch and operation of launch vehicles, upper- stage vehicles, and space vehicles.
    • It updates SMC-S-024 “Test Requirements for Ground Systems” to conform with updates to associated United States Space Force and Department of the Air Force policies.
  • ISTO STD MOSA-IF-S-005: Payload to Launch Vehicle Interface Standard for NSSL-Class Missions, Volume 1: Mechanical Interfaces
    • This standard upgrades the current NSSL SIS with more standardization at the mechanical interfaces.
  • ISTO STANDARD MOSA-IF-S-006: Volume 1: Model Semantic Versioning Standard 1.0

    • This standard defines requirements for versioning, version numbering, and semantic version numbering of models. It defines criteria for incrementing the major, minor, or patch version numbers of descriptive models to achieve a similar intent to the semantic versioning standard used in the software domain.
    • This standard improves the effectiveness of model sharing by communicating the extent of model changes and their potential impact to users of the models.
  • ISTO STANDARD MOSA-IF-S-007: Volume 1: Quantities and Units Modeling Standard 1.0
    • This standard defines requirements for consistent modeling of quantities and units in SysML models and defines a standard library of SysML QuantityKind and Unit elements that extends the ISO 80000 library with additional quantities and units commonly used in the space domain and many other domains.
    • This standard improves model interoperability by ensuring quantities and units are consistently specified for value properties representing physical quantities.
  • ISTO STD MOSA-IF-S-008: Volume 1: Model Security Classification Standard 1.0
    • This standard defines high-level requirements for marking of descriptive models in MBSE for security classification and dissemination control.
    • This standard improves the consistency of model implementation of markings to comply with applicable guidance.

Guides

  • ISTO GUIDE MOSA-IF-G-001: Centralized Payload Manager Design Guide
    • This guide provides additional details to clarify the MOSA-IF-S-001 Standard.
  • ISTO GUIDE MOSA-IF-G-002: MOSA Payload Manager Design Guide
    • This Guide helps to better inform the associated MOSA-IF-S-002 Standard and provides suggestions for developing a MOSA Payload Manager unit and verification methods to ensure conformance with the MOSA-IF-S-002 Standard.
  • ISTO GUIDE MOSA-IF-G-002, with Change 1: MOSA Payload Manager Design Guide
    • This Guide contains minor administrative changes that add consistency, clarity, and accuracy. A summary of the change modifications is included on page ii of the Guide.
  • ISTO GUIDE MOSA-IF-G-004: Supplemental Concept of Operations Guide for MOSA-IF-S-004, Standardized Client and Servicer Berthing/Docking Mechanism for On-Orbit Hosted Payload Replacement in Geosynchronous Earth Orbit
    • This supplemental guide defines the rendezvous and proximity operations, and mission parameters within which the standardized berthing/docking mechanism specified in MOSA-IF-S-004 (in-work) can be successfully operated.
  • ISTO GUIDE MOSA-IF-T-001: Tailoring For SDA-9100-001-09, SDA Optical Communication Terminal (OCT) Standard Version 4.0.0
    • This tailoring guide focuses on the physical layer and data link layer for space-to-space optical communication networks.
  • ISTO GUIDE MOSA-IF-T-002: TAILORING FOR ETSI EN 302 307-2 V1.3.1 (2021-07), Digital Video Broadcasting (DVB); Second generation framing structure, channel coding and modulation systems for Broadcasting, Interactive Services, News Gathering and other broadband satellite applications; Part 2: DVB-S2 Extensions (DVB-S2X)
    • This tailoring guide provides recommended system configurations for use of the DVB-S2X Standard and interoperability with U.S. space agency systems.
  • ISTO GUIDE MOSA-IF-T-003 Vol 1: Space-Ground Free-Space Optical Communications Tailoring for the SDA-9100-001-09, SDA Optical Communication Terminal (OCT) Standard Version 4.0.0
    • This first of two anticipated volumes addresses the physical layer for space-to-ground (S2G) and ground-to-space (G2S) optical communication networks. The primary objective is to enable and promote interoperability between optical communication terminals (OCTs) in low Earth orbit (LEO) and optical ground terminals (OGTs).

MBSE Models

  • ISTO MDL MOSA-IF-S-001: MBSE Model for ISTO STD MOSA-IF-S-001
  • ISTO MDL MOSA-IF-S-001 with Change 1: MBSE Model for ISTO STD MOSA-IF-S-001 with Change 1
  • ISTO MDL MOSA-IF-S-002: MBSE Model for ISTO STD MOSA-IF-S-002
  • ISTO MDL MOSA-IF-S-006: MBSE Model for ISTO STD MOSA-IF-S-006
  • ISTO MDL MOSA-IF-S-007: MBSE Model for ISTO STD MOSA-IF-S-007
  • ISTO MDL MOSA-IF-S-008: MBSE Model for ISTO STD MOSA-IF-S-008

 Recommended Standards

  • ISO-IEC 11889-1 Information Technology — Trusted Platform Module Library — Part 1: Architecture
  • C2MS 1.0 Object Management Group (OMG) Command and Control Message Specification (C2MS)
  • CCSDS 902.1-B-1 Cross Support Service Management – Simple Schedule Format Specification
  • CCSDS 902.9-B-1 Service Management Utilization Request Formats
  • Private Schema Extension Supplements CCSDS 902.9-B-1, “Service Management Utilization Request Formats”
  • Universal Command and Control Interface (UCI) version 2.3
  • OMG XML Telemetric and Command Exchange (XTCE), version 1.2

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