Table of Contents
1INTRODUCTION
1.1Purposeofthisreport
1.2Background
1.3DesignObjectives
1.4RelationshiptoOtherSpecifications
1.5Useof"SpecificationLanguage"
1.6RelatedDocuments
2INTERCHANGEABILITYSTANDARDS
2.1TheDesireforInterchangeability
2.2FlightSimulators
3INSTALLATION
3.1General
3.2ElectricalPower
3.3EnvironmentalCondition
4HARDWAREDESIGN
4.1General
4.1.1Removalwith"PowerOn"
4.1.2PersonnelProtection
4.1.3ESDProtection
4.1.4RepairofInnovativeHardware
4.1.5RepairMethods
4.2Accessibility
4.2.1AccesstoSubassemblies
4.2.2AccesstoBuses/LRUFrontConnector
4.3PartsandMaterial
4.3.1StandardParts
4.3.2Multi-layerBoards
4.3.3InternalCabling
4.3.4ElectrolyticCapacitors
4.3.5InternalBatteries
4.3.6ThermalStress
4.3.7CorrosiveEnvironment
4.3.8ExpendableModules
4.4Memories
4.4.1On-BoardReplaceableMemoryModule
4.4.2SingleChipProgramming
4.4.3FaultMemories
4.5ProvisionsforShopTroubleshooting
4.5.1TestPoints,ExtenderBoards
4.5.2ComponentReplacementforTroubleshooting
4.5.3SpacingofComponents
4.6ComponentSolderingandMounting
4.6.1ComponentMountingtoPCB
4.6.2WaveSoldering
4.7CoatingandPotting
4.7.1ConformalCoating
4.7.2Potting
4.8ConsiderationforOBRMs
4.8.1Introduction
4.8.1.1General
4.8.1.2Objectives
4.8.2Interchangeability
4.8.2.1Introduction
4.8.2.2Mounting
4.8.2.3Interwriting
4.8.3OBRMDescription
4.8.3.1General
4.8.3.2MemoryConsiderations
4.8.3.3PowerSupply
4.8.3.4EnvironmentalConditions
4.8.4UnitIdentification
4.8.4.1OBRMLabeling
4.8.4.2MainLRULabeling
4.8.4.3ElectronicIdentification
4.8.5DataLoaders
5SOFTWAREDESIGN
5.1General
5.2SoftwareStructure
5.3SoftwarePackageSeparation
5.4Multi-ControllerArchitecture
5.5SoftwareDocumentation
5.6StandardHigh-OrderLanguage
6EQUIPMENTTESTING
6.1Introduction
6.2LineTest
6.2.1"Power-Up"Test
6.2.2Push-to-Test
6.2.3In-FlightMonitoring
6.2.4BITE
6.3WorkshopTest
6.3.1TestConcept
6.3.2SimulationofFlightConditions
6.3.3PlausibilityCheckOverride
6.3.4FaultMemoryRead-Out
6.3.5BITETestRoutine
6.3.6EnvironmentalTest
6.3.7ManualIntervention
6.3.8Break-InPoints
6.3.9InsulationandResistanceTest
6.3.10Unit-UnderTest(UUT)Interface
ATTACHMENTS
1OBRMConnectorPinAssignments
2OBRMIdentifierStandardizedContent
3AirplanePersonalityModule(APM)Characteristics Abstract
Provides general guidelines for the design of avionics equipment. It represents the desires of the airline industry resulting from extensive airline experience. Manufacturers are urged to use this standard when initially starting the design of new equipment. Airplane Personality Module (APM) specifications are included.
