Table of Contents
1.0INTRODUCTIONANDDESCRIPTION
1.1PurposeofThisDocument
1.2Functions
1.3SystemDescription
1.4Interchangeability
1.4.1General
1.4.2"GenerationInterchangeability"Considerations
1.5RegulatoryApproval
1.6ReferenceDocuments
2.0INTERCHANGEABILITYSTANDARDS
2.1Introduction
2.2FormFactor
2.3EnvironmentalConditions
2.4Interwiring
2.5PowerCircuitry
2.5.1PrimaryPowerInput
2.5.2TheCommonGround
2.5.3TheACCommonCold
2.6GroundingandBonding
2.7Cooling
2.8Installation
3.0PRINTERDESCRIPTION
3.1General
3.2FunctionalDescription
3.2.1PrinterInputs
3.2.2PrinterOutput
3.2.3PrintFormat
3.2.4DesiredCapabilities
3.2.5DataConsumptionRate
3.2.6BufferStorage
3.2.7PaperSupply
3.2.8FrontPanelControlsandIndicators
3.2.9FunctionalTest
3.2.10Noise
3.2.11Chime/LightProvisions
3.3GeneralSystemOperation
3.3.1DynamicPortAllocation
3.3.2PoweronSequence
3.3.3Post-InitializationSystemIdentification
3.3.4ScanningSequenceandPriority
3.3.4.1PriorityofInputs
3.3.4.2ScanningSequence
3.4InterfaceProtocol
3.4.1"ENQ"Word
3.4.2"RTS"Word
3.4.3"CTS"Word
3.4.4"STX"Word
3.4.5FirstControl(CTL1)Word
3.4.6SecondControl(CTL2)Word
3.4.7"DATA"Words
3.4.8"EOT/ETX"Word
3.4.9"ACK/NAK"Word
3.4.10Status(STA)Word
3.5DataTransactionExample
3.6LongMessages
ATTACHMENTS
1StandardInterwiring
NotesonStandardInterwiring
2AddressLabels
3DigitalWordFormats
4ISONo.5CodeAssignments
5EnvironmentalTestCategories
6TypicalSystemConfiguration
7Glossary Abstract
Describes the form, fit, function and interfaces of an airborne printer capable of communicating with multiple systems one at a time. The printer contains the circuitry for acquisition, buffering and processing of coded alphanumeric messages for print-out on half-width paper.