ARINC 735A:1997
ARINC 735A:1997 Mark 2 Traffic Alert And Collision Avoidance System (tcas) Covers a Traffic Alert and Collision Avoidance System that gives protocols and interface definitions as required in RTCA/DO-185A.
Table of Contents
1.0IntroductionandDescription1.1PurposeofthisDocument
1.2SystemDescription
1.3TCAS
1.4UnitDescription
1.5AltitudeReportingData
1.6Interchangeability
1.7RegulatoryApproval
2.0InterchangeabilityStandards
2.1Introduction
2.2FormFactor,ConnectorsandIndexPinCoding
2.3Interwiring
2.4PowerCircuitry
2.5EnvironmentalConditions
2.6Cooling
2.7GroundingandBonding
2.8StandardizedSignaling
3.0TCASFunctionalDescription
3.1VoiceandVisualAnnunciatorOutputs
3.2AircraftInterfaces
3.3TCASInterfacewithModeSTransponder
3.4TCASDisplays
3.5DiscreteSignals
3.6ProgramPins
3.7TestPins
4.0FunctionalTest,MonitoringandBuilt-inTestEquipment(BITE)
4.1TCASFunctionalTest
4.2IndicatorResponse
4.3IntegrityMonitorDisplay
4.4Built-InTestEquipment(BITE)
4.5BITEDisplay
4.6FaultMonitor
4.7BITEInitiation
4.8MonitorMemoryOutput
4.9ProvisionsforAutomaticTestEquipment
5.0Antennas
5.1OmnidirectionalAntenna
5.2DirectionalAntenna
5.3EnvironmentalConsiderations
5.4D-BandSystemsPhysicalIsolation
5.5AntennaInstallation
5.6AntennaandCableCharacteristics
5.7Anti-Icing
6.0VSI/TCASDisplay
6.1StandardVSI/TCASDisplay
6.2AlternativeTCASDisplayIndicators
6.3IntegralLighting
6.4EnvironmentalConditions
7.0SimulatorInstallation
7.1UseinSimulators
Attachments
1ATCAS/DualModeSArchitecture
1BTCAS/DualModeIntraSystemDataLinkDiagram
1C-1TCASDisplayandAnnunciationInterfaceDiagram
1C-2TCASDisplayandAnnunciationInterfaceDiagram
1DTCAS/DualModeSPowerInputConfigurationDiagram
1ETCASInputSignalDiagram
1FTCASOutputSignalDiagram
1GTCASProgramPinSignalDiagram
2TCASComputerUnitConnectorPositioning
3AStandardInterwiring
3BNotesApplicabletotheStandardInterwiring
4TCASComputerUnitConnectorInsertLayout
5AModeAReplyCodeCombination
5BATCRBSReplyCodePulseCharacteristics
6DataWordsApplicabletoRTCA/DO-185
6AARINC429DataBusInterfaceDefinition
6BCoordinationDataBusDefinition
6CDITSControlWordforTCAS(andModeSTransponder)
6DDITSControlWordforTCAS,ModeSTransponderandTA/RADisplays
6ETCASVerticalRADataOutputWord
6FReservedforTCASHorizontalRADataOutputWord
6GTCASTrafficAdvisory,IntruderRangeWord
6HTCASTrafficAdvisory,IntruderAltitudeWord
6JTCASTrafficAdvisory,IntruderBearingEstimateWord
6KStandardARINC429FormatforBus1Word2-TranspondertoTCAS
TCASCoordinationData(MidPart1)
6LStandardARINC429FormatforBus1Word8-TranspondertoTCAS
TCASCoordinationData(MidPart2)
6MStandardARINC429FormatforBus1Word3-TranspondertoTCAS
ModeSGroundUplink(SCL,IIS)
6NStandardARINC429FormatforBus1Word4toTCAS
andTA/RADisplay-TransponderandTCASOutputs
6PStandardARINC429FormatforBus1Word5-Transponderto
TCASTCASControlData(ModeSAddressPart1)
6QStandardARINC429FormatforBus1Word6-Transponderto
TCASTCASControlData(ModeSAddressPart2,MaxA/S)i
6RStandardARINC429FormatforBus1Word7-TranspondertoTCAS
Acknowledgement(ACK/NACK)
6SStandardARINC429FormatforBus1Word1-TranspondertoTCAS
TCASCoordinationData(MTB,CVC,VRC,CHC,HRC,HSB,VSB)
6TStandardARINC429FormatforBus2Word1-TCAStoTransponder
andtoDisplays-TCASOutput(ARA,RAC)
6UStandardARINC429FormatforBus2Word2-TCAStoTransponder
andDisplays-TCASOutput(SL,RI)
6VStandardARINC429FormatforBus2Word3-TCAStoTransponder
andDisplays-Acknowledgement(ACK/NAK)
6WStandardARINC429Format-FMStoTCAS
6XAltitudeSelectLimitsWord
6YTCASFaultSummaryWord
6Z-1TCASDisplayStartofTransmission(STX)RecordWord
6Z-2TCASDisplayTextDisplayDataControlWord
6Z-3TCASDisplayTextDisplayDataCharacterWord
6Z-4TCASDisplayEndofTransmission(EOT)Word
6AAStandardARINC429Format-SelectedAltitudetoTCAS
6ABStandardARINC429FormatforBus1Word9TranspondertoTCAS
andTA/RADisplayTransponderandTCASOutputs
7AInput/OutputCircuitStandards
7BARINC429TransmitterLogicStates
8SuppressionPulseSystemCharacteristics
9ATypicalBladeAntenna
9BBearingAntennaMountingLayout
9CTCASDirectionalAntennaEnvelope
9DAircraftInstallations
10TCASAntennaConfiguration
11NotUsed
12TCAS-TransponderInterfaceBus
13EnvironmentalTestCategories
14-1StandardVSI/TCASDisplayInterwiring
14-2NotestoStandardVIS/TCASDisplayInterwiring
14-3StandardVSI/TCASDisplayConnectorLayout
15-1Alternate1VSI/TCASDisplayInterwiring
15-2NotestoAlternate#VSI/TCASDisplayInterwiring
15-3Alternate1VSI/TCASConnectorLayout
16-1Alternate2VSI/TCASDisplayInterwiring
16-2NotestoAlternate2VSI/TCASDisplayInterwiring
16-3Alternate2VSI/TCASConnectorLayout
17-1Alternate3VSI/TCASDisplayInterwiringforRetrofit
Installations
17-2NotestoAlternate3VSI/TCASDisplayInterwiring
17-3Alternate3VSI/TCASConnectorLayout-TBD
18TCASSystemFunctionalTestNormalOutputDefinition
19DataWordsApplicabletoRTCA/DO-185A
19ATCAS/TransponderLabelUsageRTCA/DO-185ACompatible
Equipment
19BTCAS/TransponderCoordinationBusdefinitionRTCA/DO-18A
CompatibleEquipment
19CTranspondertoTCAS(XT)XTWord6
RTCA/DO-185ACompatibleEquipment
19DTCAStoTransponder(TX)TXWord2
RTCA/DO-185ACompatibleEquipment
19ETCAStoTransponder(TX)TGDProtocol
RTCA/DO-185ACompatibleEquipment
19FTCAStoTransponder(TX)ResolutionAdvisoriesReport
RTCA/DO-185ACompatibleEquipment
19GTCAStoTransponder(TX)DataLinkCapabilityReport
RTCA/DO-185ACompatibleEquipment
19HTCAStoTransponder(TX)RequestforGICBData
RTCA/DO-185ACompatibleEquipment
19JTranspondertoTCAS(XT)XGDProtocol
RTCA/DO-185ACompatibleEquipment
20AADS-BIntruderFileFormat
20BADS-BIntruderFileStructure-TCAStoDisplay
20CADS-BIntruderDataTypeWordStructure
20DADS-BIntruderStartofFileProtocol-STX
20EFlightIDIntruderFileProtocol-ETX
20FTCASTrafficAdvisory,ADS-BIntruderFileHeader
20GTCASTrafficAdvisory,ADS-BIntruderPacketHeader
20HTCASTrafficAdvisory,IntruderFlightIDWord(Char12)
20ITCASTrafficAdvisory,IntruderADS-BExtendedRange,Altitude
BearingWord
Appendices
1NotUsed
2Label270,ResolutionAdvisoryWord,ReportingCombinations