Table of Contents
1.0INTRODUCTION
1.1PurposeofthisDocument
1.2RelationshiptoOtherDocuments
1.3SystemOverview
1.4Terms
1.5Interchangeability
1.6RegulatoryApprovals
2.0INTERCHANGEABILITYSTANDARDS
2.1Introduction
2.2FormFactor,Connector,andIndexPinCoding
2.3StandardInterwiring
2.4PowerCircuitry
2.5SystemFunctionsandSignalCharacteristics
2.6EnvironmentalConditions
2.7Cooling
2.8GroundingandBonding
2.9StandardizedSignaling
3.0SYSTEMDESIGN
3.1Introduction
3.2SystemDesign
3.3HFDLAvionicsComponents
3.4OptionalAdditionalComponents
3.5InterlocksonDualHFDRSystems
3.6HFDRandHFDUModesofOperation
4.0HFDATARADIODESIGN
4.1Introduction
4.2Transceiver
4.3Transmitter
4.4Receiver
4.5SELCALOutput
4.6HFDR-SystemInterface
5.0HFDATAUNITDESIGN
5.1Introduction
5.2HFVoice/DataModeEnableSwitching
5.3Air/GroundDataTransmissionFunctions
5.4Air/GroundDataReceiveFunctions
5.5HFTransceiverTuning
5.6HFAntennaCouplerTuningInitiation
5.7Air/GroundDataTransferProtocol
5.8ACARSMU/CMUInterfaceFunctions
5.9OtherInterfaces
5.10StatusIndications
5.11Built-InTests
6.0DATALINKCONTROLFUNCTIONS
6.1Introduction
6.2HFDCFFunctions
7.0ANTENNASYSTEMS
7.1Introduction
7.2Antenna
7.3HFAntennaCoupler
7.4MultiwireSerialInterface(MSI)
7.5TuningTime
8.0PROVISIONSFORAUTOMATICTESTEQUIPMENT
8.1General
8.2ATETesting
9.0PROVISIONSFORBUILT-INTESTEQUIPMENT(BITE)
9.1Introduction
9.2BITEInterfaces
9.3BitePresentation
9.4FaultMonitor
9.5Self-TestInitiation
9.6MonitorMemoryOutput
9.7HFDataLinktoCMCStatusWord
10.0ACARSMU/CMU-HFDLINTERFACE
10.1Overview
10.2PhysicalInterface
10.3LinkLayer-Broadcast
10.4LinkLayer-BitOrientedFileTransfer
Protocol
ATTACHMENTS
1-1AirborneSubsystemBlockDiagram
2-1AHFDRAvionicsConfigurationA
2-1BHFDRSystemBlockDiagram
2-1CDualHFDRAvionicsConfigurationA
(UsingARINC429Voice/DataControlFeedbacktoRMPs)
2-1DDualHFDRAvionicsConfigurationA
(UsingDiscreteVoice/DataControlFeedbacktoRMPs)
2-2HFDRStandardInterwiring
2-3AHFDRTopConnectorLayout
2-3BHFDRMiddleConnectorLayout
2-3CHFDRBottomConnectorLayout
2-3DARINC600Size2Connector-HFDRRearView
3-1AHFDUAvionicsConfigurationB
(UsingARINC719HFXCVRWithDiscrete
Voice/DataControl)
3-1BHFDUAvionicsConfigurationB
(UsingARINC719HFXCVRWithARINC429
Voice/DataControl)
3-1CHFDUAvionicsConfigurationB(UsingHFXCVR
ARINC559AType)
3-1DHFDUSystemBlockDiagram
3-2HFDUStandardInterwiring
3-3AHFDUTopConnectorLayout
3-3BHFDUMiddleConnectorLayout
3-3CHFDUBottomConnectorLayout
3-3DARINC600Size2Connector-HFDURearView
4-1AHFDataControlPanelStandardInterwiring
4-1BHFDataControlPanelConnectorLayout
4-2ACouplerStandardInterwiring
4-2BCouplerConnectorLayout
5NotesApplicabletoStandardInterwiring
6EnvironmentalTestCategoriesPerDO-160C
7MaintenanceSystemCodes
8USBSelectivity
9TypicalTestProcedures
10TypicalMessageTransferDiagram
11CouplerCMCFlightData
12HFDROutputLabels
13HFDRActivityLabels
14Voice/AnalogData/DataLinkMode
SelectionMatrix
APPENDICES
AHFTransmissionRequirements
BACARSMU-HFDUMSKInterface
CARINC429ControlWordFormatsfortheHFDR
DDocumentsList
EAcronymList Abstract
Provides general and specific design guidance for the development and installation of the airborne equipment. Covers the desired operational capability of the HFDL system and the standards necessary to achieve interchangeability of the airborne hardware.
