ARINC 750:1993
ARINC 750:1993 Vhf Data Radio Covers the airborne components of the Aviation VHF Packet Communications (AVPAC) system, defined in ARINC 631. Intended to provide general and specific design guidance for the development and installa
Table of Contents
1.0INTRODUCTION1.1PurposeofThisDocument
1.2AirborneSubsystemConfiguration
1.3Interchangeability
1.3.1General
1.3.2InterchangeabilityRequiredfortheARINC750
VHFDataRadio
1.4RegulatoryApproval
1.5RelationshiptoICAODocuments
1.6RelationshiptoOtherDocuments
2.0INTERCHANGEABILITYSTANDARDS
2.1Introduction
2.2FormFactors,AntennaConsiderations,Connectorsand
IndexPinCoding
2.2.1VHFDataRadio(VDR)
2.2.2Antennas
2.2.3AntennaConsiderationsforMultipleSystems
Operations
2.3StandardInterwiring
2.4PowerCircuitry
2.4.1PrimaryPowerInput
2.4.2PowerControlCircuitry
2.4.3TheCommonGround
2.4.4InternalCircuitProtection
2.5SystemFunctionsandSignalCharacteristics
2.6EnvironmentalConditions
2.7Cooling
2.8GroundingandBonding
2.9StandardizedSignalling
2.9.1ARINC429DITSDataBus
2.9.2Standard"Open"
2.9.3Standard"Ground"
2.9.4Standard"AppliedVoltage"output
2.9.5StandardDiscreteInput
2.9.6StandardDiscreteOutput
2.9.7StandardProgramPinInput
3.0MODESOFOPERATION
3.1Introduction
3.2DescriptionoftheModes
3.2.1716VoiceMode
3.2.2716DataMode
3.2.3750DataMode
3.3MotorDetermination
3.3.1VD_STATUSStatusVariable
3.3.2CMU_STATUSStateVariable
3.3.3A750_STATUSStateVariable
3.3.4ModeDeterminationStateTable
3.3.5StateTransitionTime
3.4CMU750DataModeSupportDetermination
3.5750DataModeProtocolManagement
3.6CMUARINC429Broadcast
4.0INTERFACESANDPROTOCOLSTOTHEGROUNDSYSTEM
4.1Introduction
4.2TransmitterandModulatorControl
4.2.1RFPowerOutput
4.2.2RadioTransmitterDutyCycle
4.2.3TransmitterRFPowerControl
4.2.4Tuning
4.2.5ModulationDefinitionforAnalogVoice
4.2.6ModulationDefinitionforMSK
4.2.7ModulationDefinitionforD8PSK
4.2.8PermissibleTransmitterVariations
4.3ReceiverandDemodulatorControl
4.3.1SensitivityandDynamicRange
4.3.2BurnoutProtection
4.3.3Selectivity
4.3.4NoiseImmunity
4.3.5SignalQualityAnalysis
4.3.6ChannelSenseAlgorithm
4.4Transmitter-ReceiverInteraction
5.0INTERFACEANDPROTOCOLSTOTHECMU
5.1ARINCSpecification429InterfaceDefinition
5.1.1ThePhysicalLayer
5.1.2BitOrientedProtocols
5.1.3MultipleCMU/VDRProtocolSupport
5.1.4FullandPartialDataWordFormats
5.2ARINC750DataModeInitializationandProtocol
States
5.2.1PROTOCOL_NULL
5.2.2PROTOCOL_RESET
5.2.3PROTOCOL_SET
5.2.4ProtocolStateDiagram
5.3VDRControl
5.3.1VDRControlMessageFormat
5.3.2ProtocolNegotiation
5.3.3FlowControlPrimitives
5.3.4BITEData
5.3.5ErrorMessages
5.4Reserved
5.5PeriodicData
5.5.1VDR'sSystemAddressLabelWord(172)
5.5.2VDR'sStatusWord(270)
5.5.3TransmittedEquipmentIdentificationWord
5.5.4ReceivedSystemAddressLabelWord
5.5.5ReceivedStatusWord
6.0PROVISIONSFORAUTOMATICTESTEQUIPMENT(ATE)
6.1General
6.1.1ATETesting
7.0PROVISIONSFORBUILT-INTESTEQUIPMENT(BITE)
7.1Introduction
7.2BITEInterfaces
7.2.1OMSInterfaces
7.2.2Character-orientedCFDSInterfaces
7.2.3Bit-OrientedCFDSInterfaces
7.2.4MU/CMUBITEInterfaces
7.3BITEPresentation
7.4FaultMonitor
7.5Self-TestInitiation
7.6MonitorMemoryOutput
ATTACHMENTS
1AirborneSubsystemBlockDiagram
2VDRConnectorPositioning
3StandardInterwiring
4NotesApplicabletoStandardInterwiring
5EnvironmentalConditionsforAirborneEquipment
RTCA/DO-160C
6SignalinSpaceMasks
7ExampleSymbolEncoding(DeletedbySupplement3)
8VDRTablesandFigures
9ScramblerFunctionalBlock
10AVLCSimpleInterfaceProtocol(ASIP)
11ACARSInterfaceProtocol(ACARSIP)
APPENDICES
ATerms
BAcronyms
CBibliography