Table of Contents
1.0INTRODUCTION
1.1PurposeofthisDocument
1.2GatelinkDescription
1.2.1GatelinkScope
1.2.2RelationshipofthisDocumentto
ARINCSpecifications
1.3Interchangeability
1.3.1TransceiverUnits
1.3.2Umbilical
1.4Interoperability
1.4.1TransceiverUnits
1.4.2Umbilical
1.5RegulatoryApproval
1.6DefinitionofTermsusedinthisDocument
1.7ApplicableDocuments
2.0INTERCHANGEABILITYSTANDARDS
2.1Introduction
2.2AircraftTransceiverUnit(ATU)
2.2.1FormFactor,Connector,andIndexPinCoding
2.2.2PrimaryPowerInput
2.2.3PowerConsumption
2.2.4SystemFunctionsandSignalCharacteristics
2.2.5EnvironmentalConditions
2.2.6Cooling
2.3AircraftUmbilicalFiberHarness
2.3.1UmbilicalReceptacleFormFactor
2.3.2UmbilicalReceptacleInsertArrangement
2.3.3SignalCharacteristics
2.3.4EnvironmentalConditions
2.4Connectors
2.4.1UmbilicalConnector
2.5GroundingandBonding
2.6StandardizedSignaling
2.6.1ARINC429DITSDataBus
2.6.2Standard"Open"
2.6.3Standard"Ground"
2.6.4Standard"AppliedVoltage"Output
2.6.5StandardDiscreteInput
2.6.6StandardDiscreteOutput
2.6.7StandardProgramPinInput
3.0SYSTEMOVERVIEW
3.1SystemDescription
3.1.1AircraftSystemBlockDiagram
3.2TransmissionMedia
3.2.1IRConnection
3.2.2FiberConnection
3.2.2.1FiberUmbilical
3.2.2.2AircraftUmbilicalConnector
4.0PERFORMANCEREQUIREMENTS
4.1SystemRequirements
4.2FiberOpticInterface
4.2.1FiberOpticUmbilicalActiveInputInterface
(AircrafttoGround)
4.2.2FiberOpticUmbilicalActiveInputInterface
(GroundtoAircraft)
4.3IRTransceivers
4.3.1IRSignalinSpace
4.3.2ATULocation
4.3.2.1InfraredFootprint
4.3.3GTULocation
4.3.4AlignmentBetweentheATUandtheGTU
4.4AircraftUmbilicalFiberHarness
4.4.1UmbilicalConnector
4.4.1.1Configuration
4.4.1.2ConnectorShell
4.4.1.2.1ConnectorPlug
4.4.1.2.2ConnectorReceptacle
4.4.1.3Performance
4.4.1.3.1ConnectorPlug
4.4.1.3.2ConnectorReceptacle
4.4.1.4Maintenance
4.4.2AircraftInternalFiberHarness
4.4.2.1UmbilicalFiberCable
4.4.2.2InlineConnectors
4.5GroundEnvironment
5.0PROVISIONFORTEST
5.1AircraftIRTransceiverUnit(ATU)
5.1.1MinimumRequirements
5.2Built-InTestEquipment
5.3FaultReporting
5.3.1OMSFaultReporting
5.3.2OptionalCharacter-OrientedBITEFault
Reporting
5.3.3OptionalBit-OrientedBITEFaultReporting
5.4AutomaticTestEquipment
5.4.1ATETesting
ATTACHMENTS
1AbbreviationsandAcronyms
2EnvironmentalConditionsforGatelink
Equipment
3AircraftTransceiverUnit(ATU)
4ContactArrangement21-39forMIL-C-38999
Connector
5PinAssignmentsforATUConnector
6ExampleofanATUInterface
7GatelinkAircraft-to-TerminalFiberOptic
UmbilicalCableAssembly
8-1and2AircraftConnector:Receptacle
9ATUEnvironmentalRequirements
10ATULocationsforVariousAirframes
11MaintenanceWordsDefinitions
12ATUDimensions Abstract
Contains the definition of the avionics segment of a high speed full duplex communication link between the airport terminal and a parked aircraft. Defines the form, fit and function of the Aircraft Transceiver Unit (ATU), the infrared signal-in-space and various connectors and cables used to provide the physical Gatelink connection.
