MIL-STD-188-114A(1)-1995.pdf

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MIL-STD-188-114A 30 September1985 LJEPARTMENT OF DEFENSE bJashington, DC20301 ElectricalCharacteristics of DigitalInterfaceCircuits MIL-STD-188-114A 1.ThisMilitaryStandardis approvedand mandatoryfor use by all Depart- mentsandAgenciesoftheDepartmentofDefense,inaccordancewiththe memorandumoftheUnderSecretaryofDefenseforResearchandEngineering, dated16 August1983.(See AppendixA). 2.Beneficialcomments(reconwnendations,additions,deletions)andany pertinentdatawhichmaybeofuseinimprovingthisdocumentshouldbe tiddressed to: Commander U.S. ArmyCommunications-ElectronicsCommand ATTN :AMSEL-SEI-I Fort Monmouth,New Jersey07703-5203 by usingthe self-addressedStandardizationDocumentImprovementproposal(DD Form 1426) appearingat the end of this documentor by letter. ) ii Source: http:/ - Downloaded: 2007-03-27T06:25Z Check the source to verify that this is the current version before use. MIL-STD-188-114A 30 September1985 FOREWORD 1.Originally,MilitaryStandard188(MIL-STD-188)coveredtechnical standardsfortacticalandlonghaulcommunications,butlaterevolved throughrevisions(MIL-STD-188A,MIL-STD-188B)into a documentapplicableto tacticalcommunicationsonly(MIL-STD-188C). 2.TheDefenseConwnunications Agency(DCA)publ ishec! D5ACirculars(DCAC) promulgatingstandardsandengineeringcriteriaapplicabletothelonghaul DefenseCommunicationsSystem(DCS)andtothetechnicalsupportofthe NationalMilitaryComnandSystem(NMCS). 3.Asa resultofa JointChiefsofStaff(JCS) action,standardsfor all militarycorrxnunicationsarenowbeingpublishedinaPIIL-STD-188 seriesof documents.TheMIL-STD-188seriesissubdividedintoaMIL-STD-188-1OO series coveringcommonstandardsfor tacticalandlong haul conmnications,a MIL-STD-188-200seriescoveringstandardsfortacticalcommunicationsonly, and a MIL-STD-188-300seriescoveringstandardsforlong haulcommunications only.Emphasisis beingplacedondevelopingconnnon standardsfortactical andlong haul communicationspublishedin the MIL-STD-188-1OOseries. 4.Thisdocumentcontainselectricaland functionalcharacteristicsof the unbalancedand balancedvoltagedigitalinterfacecircuitsapplicableto both long haul and tacticalconnunications. 5.ThisdocumentsupersedesMIL-STD-188-114whichsupersededsubparagraph 4.3.1.3of MIL-STD-188-1OOand subparagraph7.2.1 of MIL-STD-188C. iii Source: http:/ - Downloaded: 2007-03-27T06:25Z Check the source to verify that this is the current version before use. MIL-STD-188-114A 30 September1985 IDENTIFICATIONOF INTERNATIONALSTANDARDIZATIONAGREEMENT Certainprovisionsof thisdocument(see 4.7)arethe subjectofinter- national? standardizationagreementQSTAG594.Uhenanamendment,revision, orcancellationofthisstandardisproposedwhichwillmodifytheinter- nationalagreementconcerned,thepreparingactivitywilltakeappropriate actionthroughinternationalstandardizationchannels,including departmental standardizationofficestochangetheagreementormakeotherappropriate acconunodations. ACKNOWLEDGEMENT TheElectronicIndustriesAssociation(EIA)isthecopyrightholderof materialusedinthisdocument.Theirpermissiontoreproduceportionsof EIAStandardsRS-422AandRS-423Aisgratefullyacknowledged.TheseEIA standardsmay be purchasedfrom the ElectronicsIndustries Association(EIA), 2001 Eye Street,I!.W., Washington,D.C., 20006. iv VWv. .- Source: http:/ - Downloaded: 2007-03-27T06:25Z Check the source to verify that this is the current version before use. . G Paraqraph 1 1.1 1.2 1.3 2 2.1 2.1.1 2.1.2 2.2 3 3.1 3.2 4 4.1 4.2 4.3 4.4 4.4.1 4.4.2 4.4.3 4.5 4.6 4.7 4.8 MIL-STD-188-114A 30 September1985 CONTENTS Title Promulgationsheet Foreword IdentificationofInternational StandardizationAgreement Acknowledgement sCOPE Purpose Application Systemstandardsand designobjectives REFERENCEDDOCUMENTS Governmentdocuments Standards OtherGovernmentdocumentsand publications Orderof precedence DEFINITIONS Definitions Abbreviationsand acronyms GENERALREQUIREMENTS Descriptionof digitalinterface circuits Descriptionof functional interchangecircuits Signalingrate range Selectiorl of type of digitalinterface circuit Typesof balancedgenerators Use of balancedvoltagedigital interfacecircuit Use of balancedand unbalancedvoltage digitalinterfacecircuits Relationshipwithotherdigital interfacestandards Groundingrequirements Interoperabilityrequirementsof ABCAArmies Compromisingemanations(TEMpEST)requirements10 PacJg ii iii iv iv 1 1 1 3 4 4 4 4 4 5 5 5 7 7 7 7 8 8 8 9 9 9 9 Source: http:/ - Downloaded: 2007-03-27T06:25Z Check the source to verify that this is the current version before use. MIL-STD-188-114A 30 September1985 Paraqraph Title Pacje 5 5.1 5.1.1 5.1.1.1 5.1.1.2 5.1.1.3 5.1.1.4 5.1.1*5 5.1.1.6 5.1.1.7 5.1.1.8 5.1.1.9 5.1.2 5.1.3 5.1.3.1 5.1.3.2 5.1.3.3 5.1.3.4 5.1.3.5 5.1.3.6 5.1.4 5.1.5 5.2 5.2.1 5.2.1.1 5.2.1.2 5.2.1.3 5.2.1.4 5.2.1.5 5.2.1.6 5.2.1.7 5.2.1.8 5.2.2 5.2.3 5.2.3.1 5.2.3.2 5.2.3.3 5.2.3.4 5.2.3.5 5.2.3.6 5.2.3.7 5.2.4 5.2.5 5.3 DETAILEDREQUIREMENTS Unbalancedvoltagedigitali
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