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HF E-Mail System SEICAM 2020E
HF E-mail System SEICAM 2020E
Features
•Interoperability:SEICAM2020EisanoptionalpartoftheRadioFamily3000series.
•FamiliarInterface:Sendandreceivemaile.g.withMSOut-look,NetscapeNavigatororThunder-bird.ThesuppliedCOTSmailserverworkswithanySMTP/POP3compatiblemailclient.
•Encryption:SEICAM2020Eiscompatiblewithpop-ulare-mailencryptionplug-inslikePGPandVerisign.
•ProvenStandards:-FullycompliantwithMIL-STD-188-110Bserialtone/QAMmodemspecification.-designedaccordingtoSTANAG5066profileforHFdatacommunication.
•Upgradeable:SEICAM2020Esoftwareisupgradeablemakingitasafeinvestment.
•RadioSharing:OneSEICAM2020Enodemaybesha-redonaLANandusedbymultipleusers.
•FrequencySharing:“Listen-before-transmit”andcollisionresolutionsupportsingleFrequencyoperationofmultipleusers.
•Maximumthroughput:ARQ,compressionon-the-fly,anddynamicnegotiationofmodemdatarateensureerror-freedataatthemaxi-mumpossibledatarate.
•FullysupportsHagenukHF-equipmentandsoftware.
•Supportedoperatingsystems:Windows2000,XP
Overview
TheHagenukHFe-mailsystemSEICAM2020Eismorethanastandalonesystem.EquippedwiththeHFmodemMDM3000E,SEICAM2020EcanuseexistingHFradioequipmentandalaptopcomputertodelivermessagesfastanderror-free.ToassuremaximumperformanceSEICAM2020Eusesprovenmilitarystandardwaveforms.ThesystemisdesignedforapplicationswhereanindividualorgrouprequiresInter-nete-mail,buthasnomeanstoestablishaconventionalInternetconnection.Itisdesignedtooperateinoneoftwoconfigurations,aseitherabasestationorasanremotestation.ThebasestationhasInternetconnectivityandtheoutstationisataremotelocationwithoutInternetconnectivity.
ThebasestationisresponsibleforcollectingmailfromtheInternetand/orotherpri-vatenetworksrelayingittoandfromtheremotestation.Typically,thebasestationandremotestationuseidenticalhardware.TheonlydifferenceisintheconfigurationoftheSEICAM2020Esoftwareapplication,andthelocalmailserversthatareprovid-ingtheTCP/IPinterface.EachcomputerrunstheHagenukSEICAM2020EapplicationandaCOTSmailserver.Themailservercollects,sendsandreceivesmailfromboththeInternet/WANandclientapplications(i.e.MSOutlookorNetscapeNavigator).
The SEICAM 2020E application- extractsthemailfromthemailserver,sendsitovertheair,andhandsittothe mailserverattheotherend.Thesystemcanbeconfiguredtoforwardmailfrom eitherindividualaccountsorentiredomains.- displaysanassortmentofinformationrelatingtoeachmessagetransfer.- automaticallycompressesthemessagebeingtransferredon-the-fly,andadapti- velycontrolsthemodemdataratesothatmaximumthroughputisobtained.- providedFAXfunctionbyanadd-inoptionontheCOTSmailserver.Datatransfers arefullyautomatic,andoncethesystemisupandrunning,nooperatorintervention isrequired.
There are two distinct link modes available:1.Inapoint-to-pointlinkAutomaticrepeatrequest(ARQ)retransmitsanyinforma- tioncorruptedbythechannelsothaterror-freecommunicationisassured.2.BroadcastallowsreliableHFdatacommunicationtomultiplestationsatany timebyusingForwardErrorCorrection(FEC)protocols.TheSEICAM2020Edata transferprotocolarbitratesthechannelsothatmultipleusersmaytransferdata efficiently,evenwhenonlyasinglefrequencyisavailable.Eachstationusesa “listen-beforetransmit”strategytopreventtrafficcollisions.Everystationis uniquelyaddressableformessagerouting.
TheHagenukMDM3000Eprovidesthemodemcapabilitiesofthesystem.ItisfullycompliantwithMIL-STD-188-110AandBserial-tone/QAMmodemspecification,NATOSTANAG4285,4415andFSK.Onlyestablishedmilitarystandardwaveformsareemployed.Themodemisavailableasanexternal19”unitaswellasabuilt-inmodulefortheHFradioseries3000.
AuxilliaryequipmentisavailableforupgradingexistinglandbasedHFgroundsta-tions,e.g.SEICAM1001CforinterfacingSEICAM2020Etoexistingaudiolines.
TypicallayoutoftheSEICAM2020EHFE-Mailsystem
HF E-mail System SEICAM 2020E
SEICAM 2020EMail, release and routing service
E-mailserviceinmilitaryenvironmentrequiresadditionalfunctionsasnor-mallyprovidedbyknownInternetstand-ards.Thereisaneedthate-mailsbeingcreatedmustbeapprovedbyareleas-ingauthoritybeforesendingittothedestinedparticipant.Specificrout-ingfunctionsarealsonecessary,whichrefertothecharacteristicsofaradionetworkdifferentfromthoseoftheter-restrialsystem.AtypicalSEICAM2020Ecentreconsistsofamail,releaseandroutingservice.Incomingandoutgo-ingmailswillbeexchangedbyaCOTSmailservice.MailsviaHFlinkswillbesubmittedtothereleasingpositionforapprovalbeforeforwardingit.ThisreferstomessagesexchangedbetweenusersoftheterrestrialandtheHFnet-work.
WiththisaSEICAM2020EsetbecomesamilitarygatewaybetweenagroundsubnetandnetworkconsistingofmobileHFusers.E.g.ane-mailcreatedatanypositionintheterrestrialnet-workwillberoutedtotheappropriateradiobasestationtosendthismailtotheareawherethemobileusercanbereached.
ViceversaanymailreceivedatgroundstationswillberoutedtotheSEICAM2020Epositioninordertogatewayittotherecipient.SEICAM2020Email,releaseandrout-ingservicecanbeconfiguredtobeusedinmainnodesofterrestrialHFnet-works.Acomplementaryconfigurationisavailableforshipplatforms,e.g.cor-vettes,frigates,carriersorotherlead-ingships.Alocalareanetworkincludesmultiplemessagehandlingande-mailclientsusingaSEICAM2020Enodeasamail,releaseandroutingservertoexchangemessagesviashipandshoreradioserverstations.
HF e-mail base station
AfixedHFe-mailshorestationistheaccesspointbetweenthelandbaseddatanetworkandmobilestations.HFe-mailsoriginatedeitheratthelandbasedterminalsorshipstationwillberoutedthroughthisnode.Normallyatypicalmilitarynetworkwillconsistofmultiplebasestationsinordertocoverallareasofthetaskforces.Eachofthebasestationsistiedtothecentralsta-tionviathegroundnetworkwhichcol-lectse-mailsfromvariousreceivingstationsorroutese-mailstothedes-tinedtransmittinggroundstation.Agroundstationmaybefittedasabroad-castfacilitytosendorreceivemessagesinbroadcastmode.Inasplit-siteortransmit/receiveconfigurationSTANAG5066protocolssupportsthehighrelia-blemodeofARQ.
Internet/privatnetwork
E-Mail Server(Mail Daemon,Release Server,Routing)
E-mailclients
WAN
Ship-basedSTANAG Nodeeach comprising:Transceiver,Modem,SEICAM 2020E
TRX 3050
ERX 3000
RESET
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SP: OFF LOCKED BATT MUTE BITE
Mode : J3E/USB
Bandwidth : 1 ,5 k H z
Preselector : O N
Antenna Att : OFF
Gain Control : Short
1 2 .3 4 5 67 8 M H zC H : 1 2 5 S h i p / S h o r e
FREQ
CHAN
BANDWIDTH
GAINCTRL
MODE
MENUA
AFRF
-6dBm35dBuV
12:00:00
ON/OFF
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4 5 6
7 8 9
0MAIN
+ 48 VDC
+ 24 VDC
PS 3050
PA 3050
TRX 3050
ERX 3000
RESET
f
SP: OFF LOCKED BATT MUTE BITE
Mode : J3E/USB
Bandwidth : 1 ,5 k H z
Preselector : O N
Antenna Att : OFF
Gain Control : Short
1 2 .3 4 5 67 8 M H zC H : 1 2 5 S h i p / S h o r e
FREQ
CHAN
BANDWIDTH
GAINCTRL
MODE
MENUA
AFRF
-6dBm35dBuV
12:00:00
ON/OFF
1 2 3
4 5 6
7 8 9
0MAIN
+ 48 VDC
+ 24 VDC
PS 3050
PA 3050
TRX 3050
ERX 3000
RESET
f
SP: OFF LOCKED BATT MUTE BITE
Mode : J3E/USB
Bandwidth : 1 ,5 k H z
Preselector : O N
Antenna Att : OFF
Gain Control : Short
1 2 .3 4 5 67 8 M H zC H : 1 2 5 S h i p / S h o r e
FREQ
CHAN
BANDWIDTH
GAINCTRL
MODE
MENUA
AFRF
-6dBm35dBuV
12:00:00
ON/OFF
1 2 3
4 5 6
7 8 9
0MAIN
+ 48 VDC
+ 24 VDC
PS 3050
PA 3050
STANAG Node n
BaseHF-stations
Remote stationsHF E-mailServer
HF E-mailServer
STANAG Node 1comprising:TransceiverModemSEICAM 2020E
TRX 3050
ERX 3000
RESET
f
SP: OFF LOCKED BATT MUTE BITE
Mode : J3E/USB
Bandwidth : 1 ,5 k H z
Preselector : O N
Antenna Att : OFF
Gain Control : Short
1 2 .3 4 5 67 8 M H zC H : 1 2 5 S h i p / S h o r e
FREQ
CHAN
BANDWIDTH
GAINCTRL
MODE
MENUA
AFRF
-6dBm35dBuV
12:00:00
ON/OFF
1 2 3
4 5 6
7 8 9
0MAIN
+ 48 VDC
+ 24 VDC
PS 3050
PA 3050
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