Linear Token Passing Multiplex Data Bus
- Aerospace Standard
General Description (3.1): An overview of the LTPB protocol.
Physical Media Interface (3.2): This portion of the standard defines the physical interface to both optical and electrical bus media.
Access Protocol Definition (3.3): This portion of the standard defines the symbols, frame formats, timing functions and traffic recording requirements of the Token Passing Interface Unit (TPIU).
Network Protocol Definition (3.4): This portion of the standard defines the network control and station management functions.
Test and Verification (Section 4): This paragraph defines the responsibilities and methods for test and verification of the LTPB.
TPIU State Machine (Section 5): This section defines the TPIU States and state transition rules.
Data Sets - Support Documents
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|TABLE 5-1||State Transition Table|
The SAE AS-1 Aircraft Systems & Systems Integration committee addresses all facets of aircraft avionics systems¿design, maintenance, and in-service experience. It reviews and develops specifications for stores interface, validation requirements, systems integration, mission store validation plans and media terminal design. Also addressed are system test requirements, architecture, security and 1553 data bus standards. The group is comprised of three subcommittees dedicated to creating, preparing, and maintaining all relevant specifications, standards, and requirements for aircraft avionics systems. These subcommittees include:AS-1A Avionics Networks AS-1B Aircraft-Store Integration AS-1C Avionic Subsystems Participants in the SAE AS-1 committee include OEMs, suppliers, aircraft avionics equipment companies, consulting firms, government and others across the aerospace and defense industries.
|AIR4288A||Linear Token Passing Multiplex Data Bus User's Handbook|
|AS4290A||Validation Test Plan for AS4074 Linear Token Passing Multiplex Data Bus|
|ISO/DIS7498||This document is not part of the subscrption.|