Characteristics - SAE Mobilus

Items (109)

TEST - 791P2-2: Mark I Aviation Ku-Band and Ka-Band Satellite Communication System, Part 2, Electrical Interfaces and Functional Equipment Description

ARINC791P2-2-CSP (Historical)2/23/2024

This document (ARINC Characteristic 791, Part 2) provides the non-networking interface definition of the Mark I (ARINC 791) and Mark II (ARINC 792) Ku-Band and Ka-Band Satellite Communication (satcom) system intended for passenger entertainment on commercial transport aircraft. ARINC Characteristic 791 Part 1 of this document provides an overview of Ku-band and Ka-band satcom systems. System provisions, including Line Replaceable Unit (LRU) form factors, attachments, cooling, and inter-system wiring, are defined. Signals between the Modem/Modem Manager (Modman) and the Antenna Subsystem are described to permit interchangeability between any Modman and any Antenna Subsystem. ARINC Characteristic 791 Part 2 of this document provides the non-networking interface definition of the satcom system. Any signal crossing into or out of the communication system is documented to ease aircraft integration. Signals within the satcom system, and in particular, between the Modman and the Antenna

Airlines Electronic Engineering Committee

717-15 Flight Data Acquisition and Recording System, ARINC717-15

ARINC717-15JMS (Current)1/16/2024

sae-arinc-2.0 standard (characteristic) This document provides design guidance for the development and installation of a Digital Expandable Flight Data Acquisition and Recording System (DEFDARS) primarily intended for airline use. As such, this guidance will include specific requirements necessary to accommodate mandatory flight data recording and other flight data acquisition needs plus the requirements to ensure customer controlled interchangeability of equipment in a standard aircraft installation. The system capability was expanded to accommodate a data bus speed of 1024 words per second.

SECOND GENERATION AVIATION SATELLITE COMMUNICATION SYSTEMS, AIRCRAFT INSTALLATION PROVISIONS

ARINC761-6 (Current)12/23/2019

This ARINC Standard defines the installation characteristics of second generation L-band satellite communication systems. It provides the traditional form, fit, function, and interfaces for the installation of satcom equipment for use in all types of aircraft. Description of avionics equipment (e.g., Satellite Data Unit (SDU), Antennas, etc.) are included. Supplement 6 adds references to new Diplexer/Low Noise Amplifiers (DLNAs) defined in Supplement 8 to ARINC Characteristic 781: Mark 3 Aviation Satellite Communication Systems. The five new DLNAs are intended to protect Inmarsat Classic Aero and SwiftBroadband (SBB) satcom equipment from ground-based cellular sources, such as cellular Long Term Evolution (LTE) and Ancillary Terrestrial Component (ATCt). The DLNAs are categorized by desired features and service (e.g., new DLNA versus drop-in replacement, LTE and/or ATCt protection, Classic Aero and/or SBB service).

Airlines Electronic Engineering Committee

AVIATION SATELLITE COMMUNICATION SYSTEMS PART 1 AIRCRAFT INSTALLATION PROVISIONS

ARINC741P1-15 (Current)12/23/2019

This ARINC Standard defines the installation characteristics of first generation L-band satellite communication systems. It provides the traditional form, fit, function, and interfaces for the installation of satcom equipment for use in all types of aircraft. Description of avionics equipment (e.g., Satellite Data Unit (SDU), Antennas, etc.) are included. Supplement 15 adds references to new Diplexer/Low Noise Amplifiers (DLNAs) defined in Supplement 8 to ARINC Characteristic 781: Mark 3 Aviation Satellite Communication Systems. The five new DLNAs are intended to protect Inmarsat Classic Aero and SwiftBroadband (SBB) satcom equipment from ground-based cellular sources, such as cellular Long Term Evolution (LTE) and Ancillary Terrestrial Component (ATCt). The DLNAs are categorized by desired features and service (e.g., new DLNA versus drop-in replacement, LTE and/or ATCt protection, Classic Aero and/or SBB service).

Airlines Electronic Engineering Committee

COMMUNICATIONS MANAGEMENT UNIT (CMU) MARK 2

ARINC758-4 (Current)11/26/2019

This ARINC Standard specifies the ARINC 758 Mark 2 Communications Management Unit (CMU) as an on-board message router capable of managing various datalink networks and services available to the aircraft. Supplement 4 adds Ethernet interfaces, per ARINC Specification 664 Part 2. This will allow the CMU to communicate with IP based radio transceivers (e.g., L-Band Satellite Communication Systems (Inmarsat SwiftBroadband (SBB) and Iridium Certus), ACARS over IP, AeroMACS, etc.).

Airlines Electronic Engineering Committee

MARK I AVIATION KU-BAND AND KA-BAND SATELLITE COMMUNICATION SYSTEM PART 1 PHYSICAL INSTALLATION AND AIRCRAFT INTERFACES

ARINC791P1-3 (Current)9/19/2019

This standard sets forth the desired characteristics of Aviation Ku-band Satellite Communication (Satcom) and Ka-band Satcom Systems intended for installation in all types of commercial air transport aircraft. The intent of this characteristic is to provide guidance on the interfaces, form, fit, and function of the systems. This document also describes the desired operational capability of the equipment needed to provide a broadband transport link that can be used for data, video, and voice communications typically used for passenger communications and/or entertainment. The systems described in this characteristic are not qualified, at this writing, for aviation safety functions.

Airlines Electronic Engineering Committee

MARK 3 AVIATION SATELLITE COMMUNICATION SYSTEMS

ARINC781-8 (Current)9/10/2019

This document sets forth the desired characteristics of an aviation satellite communication (satcom) system intended for installation in all types of commercial transport and business aircraft. The intent of this document is to provide general and specific guidance on the form factor and pin assignments for the installation of the avionics primarily for airline use. It also describes the desired operational capability of the equipment to provide data and voice communications, as well as additional standards necessary to ensure interchangeability. This Characteristic specifies equipment using Inmarsat satellites operating in L-band. Ku-band and Ka-band equipment is specified in ARINC Characteristic 791. Supplement 8 adds new Diplexer Low Noise Amplifiers (DLNA) to protect Inmarsat’s Classic Aero and SwiftBroadband (SBB) satcom equipment from possible ground-based LTE and ATCt (Ligado) interference.

Airlines Electronic Engineering Committee

SECOND-GENERATION KU-BAND AND KA-BAND SATELLITE COMMUNICATION SYSTEM

ARINC792 (Current)12/19/2018

This standard sets forth the desired characteristics of a second-generation aviation Ku-band and Ka-band satellite communication (satcom) system intended for installation in all types of aircraft.

Airlines Electronic Engineering Committee

LOW-EARTH ORBITING AVIATION SATELLITE COMMUNICATION SYSTEMS

ARINC771-1 (Current)10/1/2018

This document sets forth the desired characteristics of the Iridium Low-Earth Orbiting (LEO) Aviation Satellite Communication (Satcom) System avionics intended for installation in all types of aircraft including commercial transport, business, and general aviation aircraft. The intent of this document is to provide a description of the system components, aircraft interfaces, and satellite communication functions. It also describes the desired system performance and operational capability of the equipment.

Airlines Electronic Engineering Committee

ADVANCED FLIGHT MANAGEMENT COMPUTER SYSTEM

ARINC702A-5 (Current)8/28/2018

The Advanced FMCS provides expanded functions beyond that defined in ARINC 702 to support the anticipated requirements for operation in the CNS/ATM operating environment. GNSS and RNP based navigation, air-to-ground data link for communications and surveillance, and the associated crew interface control/display definitions are included. The NextGen/SESAR concepts and their relative effects on the FMS are addressed in this document. The functional requirements also apply to a Flight Management Function (FMF) in an Integrated Modular Avionics (IMA) architecture with software partitions.

Airlines Electronic Engineering Committee

GNSS LANDING SYSTEM SENSOR UNIT (GLSSU)

ARINC743B-1 (Current)6/22/2018

This document sets forth the characteristics of the GNSS Landing System Sensor Unit (GLSSU) intended for installation in commercial aircraft. The intent of this document is to provide general and specific design guidance for the development of GLSSU for airline use. It describes the desired operational capability of the GLSSU and the standards necessary to ensure interchangeability.

Airlines Electronic Engineering Committee

GNSS LANDING SYSTEM SENSOR UNIT (GLSSU) WITH VHF DATA BROADCAST (VDB) RECEIVER

ARINC743C (Current)6/22/2018

This document sets forth the characteristics of the Global Navigation Satellite System (GNSS) Landing System Sensor Unit (GLSSU) with a built-in VHF Data Broadcast (VDB) receiver. The intent of this document is to provide general and specific design guidance for the development of GLSSU for airline use. It describes the desired operational capability of the GLSSU and the standards necessary to ensure interchangeability.

Airlines Electronic Engineering Committee

GNSS SENSOR

ARINC743A-6 (Current)6/22/2018

This document sets forth the characteristics of the integrated Global Positioning System (GPS)/Global Orbiting Navigation Satellite System (GLONASS) sensor unit (GNSSU) portion of a GNSS system intended for installation in commercial aircraft. The intent of this document is to provide general and specific design guidance for the development of GNSS sensors for airline use. It describes the desired operational capability of the GNSS system and the standards necessary to ensure interchangeability.

Airlines Electronic Engineering Committee

MULTI-MODE RECEIVER (MMR) - DIGITAL

ARINC755-5 (Current)1/25/2018

ARINC Characteristic 755 defines a multi-mode receiver capable of providing flight path deviation guidance (corrections) to the aircraft during the approach and landing phase. The data source may be from an Instrument Landing System (ILS), a Microwave Landing System (MLS) or an GNSS Landing System (GLS). Supplement 5 adds annunciations defined in RTCA/DO-253D – MOPS for GPS LAAS Airborne Equipment. GNSS Data and GLS Config Validity ARINC 429 Labels are also updated. The range for Selected Glide Path Angle is corrected.

Airlines Electronic Engineering Committee

AVIONICS REFRIGERATION COOLING SYSTEM

ARINC728 (Current)10/27/2017

This standard provides standards for the in accordance with which aircraft operators and manufacturers can order avionics refrigeration units and can design installations for an ARCS.

Airlines Electronic Engineering Committee

AERONAUTICAL MOBILE AIRPORT COMMUNICATION SYSTEM (AEROMACS) TRANSCEIVER AND AIRCRAFT INSTALLATION STANDARDS

ARINC766 (Current)7/7/2017

This documents defines the Installation Characteristics of an airborne radio transceiver capable of broadband wireless communication with an Airport Surface Network. The Aeronautical Mobile Airport Communications System (AeroMACS) Radio Unit (ARU) will operate in the aeronautical protected frequency of 5091 MHz to 5150 MHz, utilizing the IEEE 802.16e WiMAX protocol. It is intended to offload some of the congested narrowband VHF airport traffic used for ATS and AOC communications. ARU and Antenna Form, Fit, Function and Interfaces are described.

Airlines Electronic Engineering Committee

ENHANCED AIRBORNE FLIGHT RECORDER

ARINC767-1 (Current)5/29/2017

This document is intended to provide design guidance for the development and installation of an Enhanced Airborne Flight Recorder (EAFR). The EAFR standard addresses combinations of any or all of the following in a single Line Replaceable Unit (LRU), a Digital Flight Data Recorder (DFDR) function, a Cockpit Voice Recorder (CVR) function, a data link recording function, and an image recording function. This document does not address the overall flight data recorder system requirements but considers interface and system standards. This document does not replace ARINC Characteristic 747 which defines DFDRs. This document addresses the details of the voice recording function but does not describe the audio distribution system. It does not replace ARINC Characteristic 757 which defines CVRs. The EAFR may be used in a single or dual-redundant installation as permitted by regulation. Both configurations are addressed in this Characteristic.

Airlines Electronic Engineering Committee

535B-1 Lightweight Headset and Boom Microphone

ARINC535B-1 (Current)6/1/2016

This document describes the aircraft industry recommendations for a headset with integral boom microphone suitable for pilot use in all types of aircraft using conventional radio installations. This document, ARINC Characteristic 535B, is in addition to and does not supersede the older ARINC Characteristic 535A: Lightweight Headset and Boom Microphone, dated March 3, 1972.

Airlines Electronic Engineering Committee

MARK 4 SELECTIVE CALLING (SELCAL)

ARINC714A (Current)11/4/2015

This document represents a significant improvement to existing Selective Calling (SELCAL) standards used with HF and VHF voice communications. The goal is to eliminate the possibility that two or more aircraft could respond to the same radio call. The Mark 4 SELCAL system definition provides the following: " Guidance for integrated and federated audio systems " 32 audio tones total (16+16) yielding up to 215,760 unique codes " SELCAL form, fit, & function definition " Interwiring and installation details " Defines SELCAL decoding requirements in the presence of significant signal degradation.

Airlines Electronic Engineering Committee

COCKPIT VOICE RECORDER (CVR)

ARINC757-6 (Current)8/5/2015

This document provides guidance for the development and installation of a Cockpit Voice Recorders (CVR) with solid-state memory. Supplement 6 provides the following: " The optional interfaces to data link services and On-Board Maintenance System (OMS) were revised to clarify that if the optional interface is implemented, then it shall be implemented in a specific way. " The power input section was revised to clarity the need for the CVR to be designed to accept 115 Vac power and 28 Vdc power from the aircraft. " The time correlation requirement was revised to specify that the CVR should receive its time signal from the same source as the Flight Data Recorder (FDR). " The OMS interface was updated to describe the correct ARINC 429 Sign Status Matrix (SSM) encoding for new CVR designs.

Airlines Electronic Engineering Committee

GUIDANCE FOR TOOL AND TEST EQUIPMENT (TTE) EQUIVALENCY

ARINC735B-2 (Current)8/1/2015

This document defines a Traffic Surveillance capability for NextGen and SESAR airspace environments. Supplement 2 adds hybrid surveillance functionality. It satisfies recent updates to FAA Airworthiness Circular AC 20-151B - Airworthiness Approval of Traffic Alert and Collision Avoidance Systems (TCAS II), and Technical Standard Order TSO-119d requiring the annunciation of a hybrid surveillance failure. Supplement 2 also adds strobe program pinning, updates TCAS inputs status, improves aircraft troubleshooting, and supports recent central maintenance computer function block point updates.

Airlines Electronic Engineering Committee

MARK I AVIATION KU-BAND AND KA-BAND SATELLITE COMMUNICATION SYSTEM PART 2 ELECTRICAL INTERFACES AND FUNCTIONAL EQUIPMENT DESCRIPTION

ARINC791P2-1 (Current)7/28/2014

This document provides the interface definition of the Satcom system. Any signal crossing into or out of the communication system is documented to ease aircraft integration. Signals within the ARINC 791 Satcom system, and in particular, between the Modman and the Antenna Subsystem, are described to permit interchangeability between any Modman and any Antenna Subsystem.

Airlines Electronic Engineering Committee

AIRCRAFT INTERFACE DEVICE (AID)

ARINC759 (Current)7/15/2014

This document sets forth the characteristics of an Aircraft Interface Device (AID) intended for installation in commercial aircraft. The intent of the document is to provide general and specific design guidance for the development of an AID for use in retrofit applications associated with aircraft typically developed between the mid-1970s through the 1990s, that primarily utilize ARINC 700 series avionics, and that interface with the aircraft via ARINC 429 and ARINC 717 unidirectional buses and Hi/Lo discrete signals. This document describes the desired operational capability of the AID and the standards necessary to ensure interchangeability.

Airlines Electronic Engineering Committee

538C Handheld Microphone and Boom Microphone

ARINC538C (Current)1/1/2014

This document describes the aircraft industry recommendations for a handheld microphone and boom microphone for use with airborne radio installations. This document, ARINC Characteristic 538C, is in addition to and does not supersede the older ARINC Characteristic 538B: Hand-Held Microphone, dated February 16, 1983.

Airlines Electronic Engineering Committee

ELECTRONIC FLIGHT INSTRUMENTS (EFI)

ARINC725-2 (Current)6/1/2013

This standard sets forth the features of a color EFI system for installation in commercial transport aircraft. The EFI provides display functions that include Attitude Director Indicator (ADI), Horizontal Situation Indicator (HSI), Air Data, Map display, Weather display, Radio Altitude data, Flight Control Mode annunciation, Flight Path information, and Flight Warning display.

Airlines Electronic Engineering Committee

AVIATION SATELLITE COMMUNICATION SYSTEM PART 2 SYSTEM DESIGN AND EQUIPMENT FUNCTIONAL DESCRIPTION

ARINC741P2-11 (Current)6/27/2012

This document describes the desired operational capability of the equipment as configured with the first generation Satellite Data Unit (SDU) to provide data and voice communications, as well as additional standards necessary to ensure interchangeability. Supplement 11 adds commentary on the commonality of physical interfaces between ARINC 741 systems defined for SwiftBroadband safety services and ARINC 741 systems defined only for the Inmarsat Classic Aero safety services. It adds the SwiftBroadband safety services to the SDU functional definition.

Airlines Electronic Engineering Committee

AIRCRAFT COMMUNICATIONS ADDRESSING AND REPORTING SYSTEM (ACARS)

ARINC724B-6 (Current)2/24/2012

This standard describes the 724B version of the airborne components of ACARS, and is intended for use in conjunction with VHF radio equipment existing on the plane. This ACARS enhancement improves the ability of the system to provide air-to-ground and ground-to-air data communications.

Airlines Electronic Engineering Committee

MARK 4 AIR TRAFFIC CONTROL TRANSPONDER (ATCRBS/MODE S)

ARINC718A-4 (Current)11/15/2011

Mark 4 Air Traffic Control Transponder (ATCRBS/MODE S) describes an Air Traffic Control Radar Beacon System/Mode Select (ATCRBS/Mode S) airborne transponder with Extended Interface Functions (EIF). The ATC surveillance system is made up of airborne transponders and ground interrogator-receivers, processing equipment, and antenna systems. Mode S is a cooperative surveillance system for air traffic control with ancillary communications capabilities. ARINC 718A supports elementary surveillance. Provisional enhanced surveillance functionality is also defined as a customer option. The Mark 4 transponder, like its predecessor, will support TCAS functions.

Airlines Electronic Engineering Committee

FLIGHT DATA RECORDER

ARINC747-3 (Current)6/7/2011

This document provides design guidance for the development and installation of Flight Data Recorders (FDR) which may utilize solid state memory and which may employ some means of data compression. The Flight Data Recorder will be utilized with a Flight Data Acquisition Unit (FDAU) (ARINC Characteristic 573) or a Digital Flight Data Acquisition Unit (DFDAU) (ARINC Characteristic 717) to accommodate mandatory flight data recording and other flight data acquisition needs. The document provides guidance and information to ensure customer controlled interchangeability of equipment in a standard aircraft installation and in data retrieval. The system capability was expanded to accommodate a data bus speed of 1024 words per second.

Airlines Electronic Engineering Committee

FLIGHT DATA ACQUISITION AND RECORDING SYSTEM

ARINC717-15 (Current)6/6/2011

This document provides design guidance for the development and installation of a Digital Expandable Flight Data Acquisition and Recording System (DEFDARS) primarily intended for airline use. As such, this guidance will include specific requirements necessary to accommodate mandatory flight data recording and other flight data acquisition needs plus the requirements to ensure customer controlled interchangeability of equipment in a standard aircraft installation. The system capability was expanded to accommodate a data bus speed of 1024 words per second.

Airlines Electronic Engineering Committee

INTEGRATED SURVEILLANCE SYSTEM

ARINC768-2 (Current)6/1/2011

This document defines an Integrated Surveillance System (ISS) capable of providing traffic, terrain and weather information to the flight deck crew. Supplement 2 provides enhancements in the traffic surveillance area to support ADS-B Out and ADS-B In functionality, ADS-Re-broadcast capability, and Traffic Information Services Broadcast (TIS-B).

Airlines Electronic Engineering Committee

CABIN COMMUNICATION SYSTEMS (CCS)

ARINC746-6 (Current)11/19/2010

This document provides general and specific design guidance for the development, installation, and desired operational capability of Cabin Communications Systems, including satellite communications, air-to-ground communications, and gatelink. Supplement 6 incorporates guidance for protection of personal information using methods consistent with the Payment Card Industry (PCI) Data Security Standard (DSS). The CCS characteristic provides encryption approaches for payment card information and suggestions for key management.

Airlines Electronic Engineering Committee

758-3 Communications Management Unit (CMU) Mark 2

ARINC758-3 (Current)11/10/2010

This document defines a Communications Management Unit (CMU) as an on-board message router capable of managing various datalink networks and services available to the aircraft. Supplement 3 was developed to support ATS/ATN datalink recording requirements. The existing simulator data bus interface was converted to a shared simulator/CVR interface.

Airlines Electronic Engineering Committee

RECORDER INDEPENDENT POWER SUPPLY

ARINC777-2 (Current)10/11/2010

This Characteristic provides the definitions for the physical form and fit dimensions, the electrical interfaces, and the functions of an independent power supply for cockpit voice recorders or crash survivable recorders that combine voice with other recording functions. The RIPS is used to provide backup power that is independent of the aircraft generated power buses. Supplement 2 introduces a description of charge rates for alternate power sources and revises the electrical interface to accommodate monitoring of the RIPS status.

Airlines Electronic Engineering Committee

RADIO ALTIMETER

ARINC707-7 (Current)4/6/2009

This standard provides the desired characteristics of a RALT intended for installation in all types of commercial transport aircraft. Its primary function is to determine the aircraft's height above terrain for visual display to the pilot (essentially ground level to 2500 feet), and for use by the AFCS during automatically controlled approaches and landings.

Airlines Electronic Engineering Committee

MARK 2 NETWORK SERVER SYSTEM (NSS) FORM AND FIT DEFINITION

ARINC763A (Current)12/9/2008

This document defines both wired and wireless NSS components that enable the creation of airborne networks that are scalable, interchangeable, upgradeable, and remotely manageable with minimum cost. Aircraft equipment configurations and aircraft wiring recommendations are also described to allow aircraft network growth through the simple addition or replacement of NSS components. Hardware characteristics of standardized components are described without specifying equipment capacity or the operational functions of those components.

Airlines Electronic Engineering Committee

NETWORK SERVER SYSTEM (NSS)

ARINC763-3 (Current)8/31/2005

The network server system description includes a common file server, data processing, mass storage and interface capabilities to a number of terminals connected via an onboard aircraft Local Area Network (LAN). The Network Server System is a central node through which terminals are able to communicate with avionics systems, access data and applications stored in the NSS mass memory storage.

Airlines Electronic Engineering Committee

COCKPIT VOICE RECORDER (CVR)

ARINC757A-1 (Current)8/5/2005

This Characteristic provides guidance for the development and installation of a new generation of Cockpit Voice Recorders (CVRs) using solid-state memory. This document supersedes the earlier ARINC Characteristic 557. ARINC Characteristic 757A is intended to coexist with ARINC Characteristic 757 CVR. Supplement 1 provides the following: " The CVR unit description was updated to clarify the differences in the equipment designed to ARINC 757A versus that designed to ARINC 757, i.e., data link and OMS interfaces are required for ARINC 757A compliance. " Material was added to maintain document alignment with ARINC 757 which has FDR capability. ARINC 757A recorders are not required to have FDR capability. " The time correlation requirement was revised to specify that the CVR should receive its time signal from the same source as the Flight Data Recorder (FDR). " The OMS interface was updated to describe the correct ARINC 429 Sign Status Matrix (SSM) encoding for new CVR designs.

Airlines Electronic Engineering Committee

HEAD-UP DISPLAY (HUD) SYSTEM

ARINC764 (Current)7/8/2005

This document defines a Head-Up Display (HUD) system intended for installation in all types of aircraft. It describes the physical form factors, fit dimensions, electrical interface definition and typical HUD functions, including the display of navigation and guidance information in the flight crew's forward field of view. The HUD accomplishes this by projecting images onto a combiner with symbology that conforms to the outside world view. Guidance for HUD architectures include single, twin, dual and HUD integrated with Primary Flight Display (PFD). This document is an practical guide for the design of federated equipment and integrated modular avionics.

Airlines Electronic Engineering Committee

VHF DATA RADIO

ARINC750-4 (Current)8/11/2004

This standard specifies the form, fit and functional definitions for a VHF transceiver capable of voice and data communications. The VHF transceiver supports, 8.33 kHz AM and 25 kHz AM voice, and VDL-2 (31.5 kbps) data link communications as defined by ICAO. ARINC 631 is a companion standard.

Airlines Electronic Engineering Committee

GNSS NAVIGATION AND LANDING UNIT (GNLU)

ARINC756-3 (Current)2/27/2004

This standard describes the function of the GNLU, capable of providing enroute/terminal navigation, non-precision approach, and precision approach capabilities. The GNLS consists of a GNLU, associated controls and displays, antenna, and interfaces to other aircraft systems.

Airlines Electronic Engineering Committee

ETHERNET SWITCH UNIT (ESU)

ARINC765 (Current)12/29/2003

ARINC Characteristic 765 defines an Ethernet Switch Unit (ESU), which fits in the general architectural philosophy and aircraft infrastructure for the proper use and interface of various information network related equipment. This document specifies an ESU intended for various aircraft information network related equipment. It provides a wired network connection among the connected devices based on interfaces defined by ARINC Specification 664 and IEEE 802.3 CSMA/CD (Ethernet).

Airlines Electronic Engineering Committee

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