MILITARY STANDARD - GET Engineering

1 LIIMIL-STD-1397C(SH)1 June1995 SUPERSEDINGMIL-STO-1397B(NAVY)3 March1989( )MILITARYSTANDARDINPUT/OUTPUTINTERFACES, STANDARDDIGITALDATA,NAWSYSTEMS10 AMSCWAAREAfvlCCRDISTRIBUTIONSTATEMENTAA pprovedforpublicrelease;dismbutionisunfi mitedIMIL-STD-1397C(SH)1 June1995 DEPARTMENTOFTHENAVYNAVALSEASYSTEMSCOMMAN DW ashington,DC20362-5101 , ~s=SYSEXIISCOIIIIXW@ MEIII oftbeNavy, (recommendations,additions,deletions)and anypertinentdatawhichmaybeofuseinimprovi ngIMsdocnmmtsboufdbeaddressedLOCOMMANDER NAVALSEASYSTEMSCOMMANDSEA03R422531fEFFER SONDAVtSHIGHWAYARLINGTONVA22242-5160 Usetheself-addressedSIandardizmionDocume nthnpmvementPrnpod(DDForm1426) (SH)1 June1995 FORWARD @io@ face, ~Hti& ,tiputtiming,~ ~tcd%c, ~ ,physl~..''.TypeDinterface, ~ ~ ~ ~ @ r-nd nOne* ,0 Wwordspersecondinbursto-ansfesmndeend17S , (aircmftiatmeaftimeditisinnmultiplexbus) .

2 (RS449compatiblewithRS-232]. ,CQ0wordspersecondononeBinaryvoltageleve lsof0 TdcOogicef1)end+ (IngimfO).J(fiberopticNATO asriaf). , (DnDfSS):SPECfFfCAllONSMLLfTARYMfL-C-17 MfL-C-1716 MIL-C-17/134 MIL-C-17/135 MfL-C-28876 MfbC-49142 MIL-C-49142/2 MfL-C-85045ML-F-49291-cables,RedioFrquee cy,FfexibleandSemi-rigid, ,RadioFrequency,FfcxibleCoaxial,75 Ohms,M17/6-RGl1,Unarmord,M17/6-RG12, ,RadinFrequency,Triaxiaf, ,SOOhm,WaterBlnckedandNon-Wa! ,Triaxiaf, ,FiberOptics,JCircufmPingmrdReceptacleSt yle,MelripleRemwableTermini,GemmlSpmitic atioofor(Meuic).-Cmmector,Triaxird, ~ ,Triexial,RadioFrequency( ,JamNutMountedClass2).-Cable,FiberOptica f,.%ipbcwd,GeaemfSpccitlcationfor(Metic) .-F&r,OpUmf,GeoeralSpccitirationfnr(Metr ic).1 MLL-STD-1397C(SH) (Meoic)MfL-sTD-1310D-ShipboardBondin,Gro undingendotherTechniquesfortElecuomagnet icompa! ~ (ANEP)12-TlmnughpnlImprovementfmSystemsh uplemendngIheStendardSm-ielInterfaceDefi nedinSTANAG4153 NATOA lliedNavelEoginecringpublication(ANEP)13 -SystemfntegrityFeatureImprovementsforSy stemsImplementingtheStanderdSerinlfntcrf aceDcfmedinSTANAG4153 NATOA lliedNavafEngineeringpublication(ANEP)35 -IsaprnvedTectndqncsandTeefmologiesforSh ipsfmplemendngtheStnedardSerirdInterface DefiedinSTANAG4153(Copiesofsfwifications , ) [ ,useOmaedncumemslistedinthesoficitadon !

3 Nlulfnpmreferstoiuputmthecomputer,except wheIespecifi~lysta~das~PUI10tie .. ~gWpmp*kw~lsi~ds,,tie~tition_iv=~fumtion timaOausti tigewceyeswmvrngcnmputrxorpcnpbemf~ ~:.f-~~~~~m~~~~k~~~~n- fbi ba$~ (theparitybit)tothedatawordfor +errordetect-muusrngefuUowiergcritcr singappropti~mn~ nue f%roughpmisthenumberofdatawordsthatamtmu snsittcdoverthechannelperrmitoftim.*inte rfaces, , , (SH) (simpleArmidimctionslchannelisone-baffof afuflduplexchannelinwfiicburforoumonMsen tmonecctiononly,butcontrolsignafsOmdabak e) ,nneWfbk,andarmrftiplenumberofinformatio nwords(lwS). ~iLItincludesti=&aandcontrolcircuitsatbo tbends, )tword( (W-s)aresentassoverlowlevelserial(LLS) :Thesourcestatoa(SOS)controlframe,origia atiagaIthesource,andtiesinkstatus(S1S)co ntrnlframc$ (S0S) (S1S) (B%.WhenusingsingleWOKI transfer(SWf),anflconsistsofasyncfxmdzab onbn(S),awordidenIerbitCAT),a32-bitword, andanoptionrdparitybit(P).

4 TheWfbitidentifiesthe32-bitwordaseithera m-dhtcmuptword(CfW) ,anfFconsistsofaSbiqaWfbit, , (baodsfraking) (SWf).SWToccurswhensofFbasoneSbiLnneWfbi t,aadoneinformationword(fW). (ffs). (fFs). (SfFs~.SfFsarethoseadditionalfea,turcs,s ncbasparityordrneauls, ~c$ristmofSTANAG41532ndEdition, (nptical].Opticalpowerlnss, (BER~. ,AdeviceusedtoterminateopticaJfibers40,0 I $ ! (SH) ,ndsfighttnwardsthetibdscure,iocmasingth efiber , ~ ~ ~i} (UPticel).l-heradian!pnwer, ( (TWH~.Theabsolutedifferencebetvwxutiewav elmgtbs,atwlucbIbespectralAIantUstcnslty Is50% (optical). (VAM).TheavemtgemeasuredcompositeDCvoltn geshaftbethesmsrnfthefnUowingfourDCvolta gelevelsdividedbyfomSIGNAL(+)beforethelo gicsurteoansition,SfGNAL(-)beforetbsIogi cstatemmsition,SfGNw+)afterthelogicstate transition,SfGNAL(-) (SsuaffComputesSystemsfoterfaceI) ~ (SmaflComputerSystemfrsterfaceU)sbalfspe c~ ~.))))

5 ThestnbisL&intercomecsionlengtioftheinte rnalable(icludingbutnotlimitedtowires,co nnecturpinsandcircuitboardsmces) (SH) :BERDODDuDISSEFEFAEFRElEIR~FWHMfALAcwIcf omAfDEDRfECFIFUoIRCFFu&sIoNATONTDSODODAO DEODROECFORCFPsSCSISFSISSosw-rTACWwBILEm urMioCo-dAntsrmptWordDepal onsntofDefenseDcuaromnlofDefensefadexofS pecificationsaudSomdnrdaExieraalFuaction ExwmafFuuctionAcknowledgeExtemafFuaction EuableExternalFuuctionReauestExemnafbttm lllpt-ExternalfntsrmptEnableExecmafhltSl lllptfteqaeslExtemaflySfmcificdAd&tsSExt smalfySpecitledfndexFuRWidthHaffMaximumf nputAciolowledgeInitialAddressCOD! (bit)Symhronization(bit)SodComputerSyste msInterface;~k&mfnnUgriIyFcamrssSourceSt atusSingleWordTmnsferTerminalAd& ,TD-1397C(SH) ! ,intercomputcs(IC) ,thephysi&linterfacefurparafl11U,sadIfIi nterfacesshaJJconsistoftheintm-cmmection ofcompatiblesquipmmtsby=S~f~ng~~~ ,comsectnrpinassignments, ,B,C,aadHsbalfmetthe+ rquiremcatsapmIsdmDOD-STD-139P, , , ,SS4?

6 ~ ~ [ ,[CforcedEF-~.StSPSSh5dfbStakmtOUI-theis ttes (ORCFIE xfcmaffmcmaptEnable(EfE)doesnotspecifyth eExtm-asdFancdnnRequest(EFR) !S1word(forcedEFwordfromtieuaasmiltiagco mputer) [ (categoryf) (catego~If) ~g=reqairwftnmnvenacatsgmyIinterfacetoca tegoryIIimcrfamahaffconsislofthefollowin gasspccitiediatheindividualequipmentspec ification::. ! (ExtesaafFunctionAcknowledge(EFA),Output DataAcknowledge(ODA),aadOutputDataReques t(ODR)) (toirrdicatcths!theEFcodewordisontheODli nes). (TheperiphemfequipmentmaycleartheEFRI iaeanydrneafterdetecdugthesettingoftheEF Aline,butsfrnflcleartheEFRlinebeforethec omputsrwillrecognissthenextEFR)f. fleDeriDheraiequiDmentshallsamoletheEFco dewordtha!isontheODlines, ~o~utcrSfil-cleartheEFAhebeforeplaciagth enex[ (sH) , (toindicatethattheEF*wordkOnIJMODfiSICS) . !forcedEFattherrr= ,themmpnterandtiepenpbe~eqmpmen~onthatcb srmelStrSUrmnsferdarossfouo~ (thismsyrdrmdybsvebnppmcdbeforetheODbuff erwasestsfdiafred).)]]]]

7 $.ThePer iphmlfeJ#uP~lsklrdldetmUrtesettingoftheO DAlines.( ,butshaffcleartheODRltiebeforethecompute rwiflrecognizethenextODR) ~.- h orhotbsteps g and h .(TheperiphernfequipmentmaycleartheEfRli neanytimeafLsrdetectingthesettingoftheID Aline,hutshaflcleertheEIRlinekforethecom puterwillrecognizethenextEfR-) , ) , , ~ e .(TheperipheralequipmentmayclcaItieEIRli eanytimeafterdetectingthesetigoftheIDAli ne,hutshaflcleartheEIRliebeforethecomput erwiflrexognkzthenextEEL) ,10 MIL-STD-1397C(SH)1 June1995*( , ,indicatingdrntithassampledthedamwordont h% (ThepsriphcraleqnipmemmaycleartieIDRI iaeanytirmafterdstccringthesettiagofthef DAline,butshaUcleartheIDRbeforethecomput erwillrecognizethenextfDR.) f (ES(NotafleqnipmsnlhaveLbeENmude,seeindi vidualquipmmrtspecification.)ESmudfuOwer ebyaperiphsredquiprmmcaa,uaderitsconunl, senddatatoorreceivedatafromon~~faay~%ofa ssignedstorageareasinffrecomputer ]umde, , ,itmaynotbspussiblein) , ] $ ~u~raadtheperipbe~ 13ecomputersbaflsampletheESIaddressandtb edamwordthaIisnnkIDliarse.

8 TIrecomputershallreadthebufferconrrulwnr dsspecifiedbytheESIaddressaadshaflstnret hedatawordasspecifkdbythebufferconucdwor ds. f hentheDAheM1bCseL~difigthattheESIaddress aadthedatawordonthefDfineshasbseasampled ,aadthattheboffcrmrrunlwnrdsspecifiedbyt heES] (TheperipheralcqaipmcntmayclearrbelDRlin emytimeafterdetectingthesrxriagofthefDAl ine,bntshallclearthefDRbefnreUrecomputer willrecognizethenextIDR). ,alwh! (SH) , ,theperiphcrrdequipmmtshaflplatstheESIou tpntaddressnntheIDlinesandsettheODRfine( UrismynfreadyhavefrappencxfkefomthCODbnf fecWa5esrabfisfrcd). ,thecomputershaffreadtheES1outputaddress presentonUrefDlines.(Thiswillcametbecomp ulmtoreadtheappropriatebuffer,mnunlworda ,outputtiewnrdfmmtheappropriatebuffcs,an dupdateandrestorethebnffercontrolwords.) ,slumtbeappropriatebnffer, (Theperipheraleqnipmentmaycl=IheODRlinea nytimeafterdctecdngthearmingnftheODAfine ,butshallcleartbeODRlinebeforethemmputer wiflrccogoizethenextODR)Thepcripherafequ ipmentSraffsamplethedatawnrdthatisontheO Dfines.

9 :: f%ecmnputcrshallcleartheODAlinebsfor ;seetheindividualeqwprnemspecification.) [12ML-STD-1397C(SH) [ ~m~intbctmasmitcingmmqrucerforadsatrrrel , ,thereceivingcomputer,underprogramcorrts nl, ,theoansmitdngcow:mShSII*WIthe=~gOfrbeE~ fioe(wbicbwiflbesecirgaizufastheEFRline) . ~oD ,tbermeivirrgcomputerahalfdetecttheae~go ftbeEFAlineoftkoansmitdngcornpurcs(wbicb willberecngrriaxfastheEIRline).f. (wfrichwillbeswcognkdastheResumefine). , $riscapableofbofferedElrrrmafera,thmtber eceivingCOUIPUICfSEIb~ferCOIMIO1 WWdSMSPSCIfYabtifmImgrbequalLOUE oarrsmittingCOMPIUCI ,nftheseceivingcomputerduesnothaveanEIEl ine, ,rhatmmputerslaal! ~theIReaunreline,oruntilthetransmitliat? ,thereceivingcomputaSEWdetecttheserdngof tbeEFAlineofrlreoaasmirtiagmrnpurm(which wilfber eur~zsdaskEIRline). (wbicbwill&recc-gaizedastheRcsuxncline) aasrnitriagcomputershaflcleartbeEFAlineb efnseplacingthenextwnrdontbeODlines, (SH) ,thelrmrsmittingCOMPWCI mdthermeitigcomputershafltransferdntaasf rdfowxa.]]

10 ,oruntiltheo ansmiuingmmpu~~Pm& ( ,theeivingmmputershnfldeteathesdngoftieR eadyfineofthetransmittingmmpurcr(whichwi llberecognizedasthefDRline). uusmireingcomputershalldetectthesetdngof theIDAfineofrhereceivingcconptrter(which wiffberemgnizedastheResumeline). , ~ledforcategory1interface( ).Tiref/Ointerfacehetwecnaperipberrd-per iphemlslralfmmsfercontrolanddatawordsbym mnsofthereciprocalinteractionosspccitied forcategoryI( ). , ~BC,, (psmffel)-thesctuslstrut(binaryoneorzero )ofthedatefinesshellbedcrmrcdbysmsingthe dclevelratherthanbydeuxdngacbrurgefrombi mryzcrntnbinmyme(asinthecaseforcontrolsi gnrds, ).Thercfnre, , ,eithercomputerorperiphersf, ,theODRandEFRsignalsshaflrcmsinsetuntilt hemmprrmsetsthemrrsspnndmgacknowledgelin e(ODAfnrODREFAforEFR). ,theperipheralequipmcmshallnotcbarrgetie stareofthefDfinesbeforethemmputcshssackn owledgedtherquesLTheonlyexceptionsmethat theIDRmEfRmuybeclearedbeforetheIDAisrcmi ved, (SH)1 June1995~ (NTDS slow)interfaceshallbecharacterizedbynomi nalvaluesoft);; ~-ewmb~.