ARINC 664 SPECIFICATION PDF

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Introduction. “Avionic Full-Duplex Switched Ethernet” (AFDX), designated. ARINC , is a specification for a deterministic aircraft data network bus for. The latest ARINC data bus specification is known as ARINC This bus standard is based on an Airbus Industries proprietary data bus known as AFDX. The ARINC message format is based on the standard Ethernet frame. The specification ARINC Specification , Part 7, Aircraft Data Network, Avionics.

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Archived copy as title All Wikipedia articles needing clarification Wikipedia articles needing clarification from September Sub-virtual links are spevification to a particular virtual link.

This frame type is standard for Airbus and is one of the two frame type used by Boeing.

AgustaWestland asserts its independence in the cockpit”. Contains the destination End System Identification. Used for Integrity checking the message. By adding key elements from ATM to those already found in Ethernet, and constraining the specification of various options, a highly reliable full-duplex deterministic network is created providing guaranteed bandwidth and quality of service QoS. ARINC operates in such a way that its single transmitter communicates in a point-to-point connection, thus requiring a significant amount of wiring which amounts to added weight.

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Contains the preamble, destination address, and source address.

The Sequence Numbers on successive frames must be in order. This is the maximum rate data can be sent, and it is guaranteed to be sent at that interval. Specificaion six primary aspects of an AFDX data network include full duplexredundancy, determinism, high speed performance, switched and profiled network. Sppecification and Rockwell Collins: Views Read Edit View history. By using this site, you agree to the Terms of Use and Privacy Policy.

Data are read in a round-robin sequence among the virtual links with data to transmit. Further a redundant pair of networks is used to improve the system integrity although a virtual link airnc be configured to use one or the other network only.

Therefore, in a network with multiple switches cascaded star topologythe total number of virtual links is nearly limitless. This ADN operates without the specificatjon of a bus controller thereby increasing the reliability of the network architecture. This frame include a supplemental layer called the EDE layer used for enhanced control, checking and time validation of the frame.

MX Foundation 4: ARINC Frames

A similar implementation [ clarify ] of deterministic Ethernet is used on the Boeing Dreamliner. Implicit messages do not.

This makes them more bandwidth efficient and more widely used. Innovating together for the A XWB”.

AFDX is a worldwide registered trademark by Airbus. There can be one or more receiving end systems connected within each virtual link.

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However, some features of a real AFDX switch may be missing, such as traffic sepcification and redundancy functions. The virtual link ID is a bit unsigned integer value that follows a constant bit field. The network is designed in such a way that all critical traffic is prioritized using QoS policies so delivery, latency, and jitter are all guaranteed to be within set parameters. From Wikipedia, the free encyclopedia.

Basing on standards from the IEEE AFDX was designed as the next-generation aircraft data network.

Avionics Full-Duplex Switched Ethernet

In one abstraction, it is possible to visualise the VLs as an ARINC style network each with one source and one or more destinations. It specifies interoperable functional elements at the following OSI reference model layers:. There are two speeds of transmission: Also the switch, having specificatino VL configuration table loaded, can reject any erroneous data transmission that may otherwise swamp other branches of the network.

However, the number sub-VLs that may be created in a single specifiaction link is limited to four.