Table of Contents

1.0GENERALCONSIDERATIONS
1.1Objectives
1.2Scope
1.3Principles
1.4NomenclatureandDefinitions
2.0INTERCHANGEABILITY
2.1LRUInterchangeability
2.2Cabinets,RacksandShelvesInterchangeability
3.0PHASEIDESIGNREQUIREMENTS
3.1TheMCU
3.2TheEquipmentRack/Cabinet
3.3TheRackandPanelConnector
3.4WireIntegration
3.5ThermalManagement
3.6PowerQualityandPowerConditioning
3.7MechanicalandStructuralAppraisals
ATTACHMENTS
1TypicalRackAssembly
2StandardLRUCaseSize
3LocationofConnector
4MaximumLRUMass
5Rack/ShelfDatums
6StandardShelfDatumLineGridandLRULocations
7LRUHoldDownMechanisms
8Shelf/RackDimensionsforLRUGuides
9CoolingApertures
11ContactPositionIdentificationandInsertSize
12MaximumLRUThermalDissipation
13EnvironmentalConditionsforElectrical/Electronic
EquipmentInstalledinControlledTemperatureand
PressurizedLocations
14ThermalAppraisalTest
15LRUMountingPattern
16Shelf/RackCutout
17ConnectorEngagingSequence
18IndexPinCoding
19ConnectorSpecification
20ConnectorElectricalandMechanicalCharacteristics
Size8QuadraxType
21ConnectorElectricalandMechanicalCharacteristics
Size8Twinaxtype
APPENDICES
2EnvironmentalRequirementsforMilitaryApplications
3TypicalAssemblyInstructions,Size1RFContact
4GuidelinesforAvionics10/100BASE-TEthernetConnector
CharacteristicsSize8QuadraxType
5EthernetContactConsiderationfornewDesigns
ARINCStandard-ErrataReport
APIM

Abstract

Specifies the definition, guidance, and appraisal for design and acceptance of the mechanical, electrical and environmental interfaces between Line Replaceable Units (LRUs) and the racks or cabinets in which they are installed.