Adtec Digital EN-40 User manual

Brand: Adtec Digital

Model: EN-40

Category: Modulator

Type: User manual

EN81/80

MultiCODECEncoder

IncludesmodulatorversionsLBandIF



USERGUIDE

02.19.15v2.02.28

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 

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TableofContents

Trademarks&Copyrights

ElectricalDeviceComplianceNotices

SafetyWarningsandCautions

ComplianceNotices

FCC

IndustryCanada

EuropeanUnionEMCDirectiveConformanceStatement

Chapter1ProductIntroduction

CoveredEquipment

FrontPanel

TransportLEDIndicators

AudioEncodeIndicators

SystemIndicators

Controls

ModulatorUplinkLineup

FrontPanelMenuStructure

ServicesMenu

RFTxMenu

IPTxMenu

VideoMenu

AudioMenu

PIDsMenu

VBIMenu

ProfileMenu

CASMenu

SystemMenu

Duration

BacklightDimDelay

NetworkSubMenu

TimeSubMenu

NTPSubMenu

Alarm

SNMPSubMenu

Com2

FeatureSubMenu

Name

Firmware

BackPanel*

DB15MAnalogaudioinputpinout

COM1/COM2toDB9SerialAdapter

GPIOandParportinformation



GPIOPinout

ParportPinout

Chapter2GettingConnected

IntroductiontotheControlApplication

Compatiblebrowsers

EthernetAccess

ZeroConfigurationAccess

UpgradingViaWebUserInterface

UpgradingViaFTP&Telnet

Chapter3OperationalHowTos

HowtoUseVerticalIntervalTimeCode

HowtoConfigurePassthruAudio

HowtoUseAutoTransportMuxRate

HowtoUseASIReceive

Chapter4Appendix

AppendixAGNUGeneralPublicLicense

AppendixBTechnicalSpecificationsEN81

Video

Audio

SystemandHost

AppendixCAdtecDigitalSupport&Service

TelephoneandEmailSupport

PreparingforSupport

SLAOptions

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 



Trademarks&Copyrights

inpart,becopied,photocopied,reproducedandtranslated,orreducedtoanyelectronic

mediumormachinereadableformwithoutpriorwrittenconsentfromAdtecDigital.



Trademarks:EN81,EN80aretrademarksofAdtecDigital.Dolby,DolbyDigital,AC3and

thedoubleDsymbolareregisteredtrademarksofDolbyLaboratories.Otherproductand

companynamesmaybetrademarksorregisteredtrademarksoftheirrespective

companies.Theinformationinthisdocumentissubjecttochangewithoutnotice. 



 



ElectricalDeviceCompliance

Notices

SafetyWarningsandCautions

Foryoursafetyandtheproperoperationofthedevice:

● Thisunitmustbeinstalledandservicedbysuitablyqualifiedpersonnelonly.

● Disconnectallpowerbeforeservicingtheunit.

● Donotexposethisdevicetorainorothermoisture.Cleanonlywithadrycloth.

● Ifnotinstalledinanequipmentrack,installtheproductsecurelyonastablesurface.

● Installtheproductinaprotectedlocationwherenooncansteportripoverthe

supplycord,andwherethesupplycordwillnotbedamaged.

● Ifasystemisinstalledinaclosedormultiunitrackassembly,theoperatingambient

temperatureoftherackenvironmentmaybegreaterthantheroomambient

temperature.

● Considerationshouldbegiventoinstallingtheunitinanenvironmentcompatible

withthemaximumrecommendedambienttemperatureof50degreesCelcius(122

degreesFahrenheit).

● Installtheunitinaracksothattheamountofairflowrequiredforsafeoperationis

notcompromised.

○ Therecommendedclearanceonthetopandsidesoftheunitisatleast½“

(onehalfinch/onecentimeter).

● Mountingoftheunitinarackshouldbesuchthatnohazardousconditionisachieved

duetounevenmechanicalloading.

● Useonlyagroundedelectricaloutletwhenconnectingtheunittoapowersource.

● Reliableearthgroundingofrackmountequipmentshouldbemaintained.

○ Particularattentionshouldbegiventosupplyconnectionotherthandirect

connectionstothebranchcircuit(e.g.,useofpowerstrips).

ComplianceNotices

FCC

Note:Thisequipmenthasbeentestedandfoundtocomplywiththelimitsfora

ClassBdigitaldevice,pursuanttoPart15oftheFCCRules.Theselimitsaredesignedto

providereasonableprotectionagainstharmfulinterferenceinaresidentialinstallation.This

equipmentgenerates,usesandcanradiateradiofrequencyenergyand,ifnotinstalledand

usedinaccordancewiththeinstructions,maycauseharmfulinterferencetoradio

communications.However,thereisnoguaranteethatinterferencewillnotoccurina

particularinstallation.Ifthisequipmentdoescauseharmfulinterferencetoradioor

televisionreception,whichcanbedeterminedbyturningtheequipmentoffandon,theuser

isencouragedtotrytocorrecttheinterferencebyoneormoreofthefollowingmeasures:



● Reorientorrelocatethereceivingantenna.

● Increasetheseparationbetweentheequipmentandreceiver.

● Connecttheequipmentintoanoutletonacircuitdifferentfromthattowhichthe

receiverisconnected.

● Consultthedealeroranexperiencedradio/TVtechnicianforhelp.

Warning:ChangesormodificationstothisdevicenotexpresslyapprovedbyAdtecDigital

couldvoidtheuser’sauthoritytooperatetheequipment.

IndustryCanada

ThisClassBdigitalapparatusmeetsallrequirementsoftheCanadianInterference

CausingEquipmentRegulations.Operationissubjecttothefollowingtwoconditions:(1)this

devicemaynotcauseharmfulinterference,and(2)thisdevicemustacceptanyinterference

received,includinginterferencethatmaycauseundesiredoperation.

CetappareillagenumériquedelaclasseBrépondàtouteslesexigencesdel'interférence

canadiennecausantdesrèglementsd'équipement.L'opérationestsujetteauxdeux

conditionssuivantes:(1)cedispositifpeutnepascauserl'interférencenocive,et(2)ce

dispositifdoitacceptern'importequelleinterférencereçue,ycomprisl'interférencequipeut

causerl'opérationpeudésirée.

EuropeanUnionEMCDirectiveConformanceStatement

ThisproductisinconformitywiththeprotectionrequirementsofEUCouncilDirective

2004/108/EContheapproximationofthelawsoftheMemberStatesrelatingto

electromagneticcompatibility.AdtecDigitalcannotacceptresponsibilityforanyfailureto

satisfytheprotectionrequirementsresultingfromausermodificationoftheproduct.This

producthasbeentestedandfoundtocomplywiththelimitsforClassBInformation

TechnologyEquipmentaccordingtoCISPR22/EN55022.



 



Chapter1ProductIntroduction

CoveredEquipment

EN81:HD&SDMPEG2andMPEG4capable.Standardaudioencodeincludesfour(4)

stereopairs(8mono)ofMPEG1Layer2withanoptionalupper4stereopairs(8stereo

pairsor16monochannels),two(2)DolbyEPassthru.viaAESorSDIembedded.Standard

VBIsupportincludesCaptions,Teletext,AFD,VITC(608waveform,H/VANCfor708,OP47,

SMPTE2016/2031withbuiltinVBIanalyzer).BISS1/Eencryptionincluded.Transportvia

3XmirroredASIandGigEwithSMPTE2022FEC.HardwareconfigurationI/Oincludes

CompositeandSDIvideo,Analog(x2),AES(x4)andSDI(x16)audioinputs.Includes

redundantACpowersupplies.



EN81w/IFModulator:EN81(asconfiguredabove)+IFModulator–AddsNewtecOEM

IFModulator.SupportsDVBS,QPSKto15Ms.AdditionalModulationoptionsavailable.See

below.IFisuserdefinablebetween50180MHz.Powerrangeof35/+5dBm.



EN81w/LBandModulator:EN81(asconfiguredabove)+LBandModulator–Adds

NewtecOEMLbandModulator.SupportsDVBS,QPSKto15Ms.AdditionalModulation

optionsavailable.Seebelow.Lbandisuserdefinablebetween9501750MHz.Newer

models(7139



)supportupto2150MHz.



EN81w/LBandModulator+10Mhz:EN81(asconfiguredabove)+LBandModulator

–AddsNewtecOEMLbandModulator.SupportsDVBS,QPSKto15Ms.Additional

Modulationoptionsavailable.Seebelow.Lbandisuserdefinablebetween9501750MHz.

Newermodels(7139



)supportupto2150MHz..Adds10Mhzreferenceasoption.



EN80:HD&SDMPEG2andMPEG4capable.Standardaudiofeaturesincludesupportfor

four(4)stereoMPEG1Layer2encodewithDolbyEPassthruviaAESorSDIstandard.Two

optionalstereoDolbyAC3encodes.StandardVBIsupportincludesCaptions,Teletext,AFD,

VITC(608waveform,H/VANCfor708,OP47,SMPTE2016/2031withbuiltinVBIanalyzer).

BISS1/Eencryptionincluded.Transportvia3XmirroredASIandGigEwithSMPTE2022

FEC.HardwareconfigurationI/OincludesCompositeandSDIvideo,Analog(x2),AES(x4)

andSDI(x16ONLYencodes4pairs)audioinputs.IncludesredundantACpowersupplies.



EN80w/IFModulator:EN80(asconfiguredabove)+IFModulator–AddsNewtecOEM

IFModulator.SupportsDVBS,QPSKto15Ms.AdditionalModulationoptionsavailable.See

below.IFisuserdefinablebetween50180MHz.Powerrangeof35/+5dBm.



EN80w/LBandModulator:EN80(asconfiguredabove)+LBandModulator–Adds

NewtecOEMLbandModulator.SupportsDVBS,QPSKto15Ms.AdditionalModulation

optionsavailable.Seebelow.Lbandisuserdefinablebetween9501750MHz.Newer

models(7139



)supportupto2150MHz.



FrontPanel



TransportLEDIndicators

Indicator

Function

Video

OffIfmodulatorisinstalled,anoffledindicatesthatnovideoisdetectedon

theselectedinputorthatASIReceivemodeisenabled.

OnVideoisdetectedontheselectedinput.

BlinkNovideoisdetectedandfaultmodeisactive.

Encode

OffDeviceisnotencoding.IdleState

OnDeviceisencoding.

AVC

OffMPEG2isselectedforencode.

OnMPEG4(H264)isselectedforencode.

4:2:2

OffEncodingchromatype4:2:0.

OnEncodingchromatype4:2:2.

HD

OffEncodingstandarddefinition. 

OnEncodinghighdefinition.

Note:ThisproductoffersoptionalHDencoding.ChecktomakesureHDkey

isenabledifyouexperienceissueswithHDencoding.

IPOut

OffTransportofIPviaEthernetorGigEisidle.

OnTransportofIPviaEthernetorGigEisactive.

RFOut

OffModulatorisnottransmitting.

OnModulatoristransmitting.

BlinkModulatorisrunningintestmode.

Note:Makingchangestospecificmodulatorparameterscancausethe

modulatortostoptransmittingandyouwillneedtoreenableit.Thisisby

designtopreventtransmissionwithanincorrectpowersetting.

Bars

OffB/T/IDoptionsaredisabled.

OnB/T/IDareenabled.

Note:Thisproductcomeswiththeabilitytogeneratebars/tonesandservice

IDviaOSDonvideoloss.ThiscanbeconfiguredonlyviathewebUIonthe

VideoTab.



 



AudioEncodeIndicators

Indicator

Function

EN80

A1A4

EN81

A1A8

OffAudioencoderconfigurationissettooff.

OnAudioencoderconfigurationissettoencodeorpassthru.

Note:Thisproductoffersoptionalextendedaudioencodingoftheupper

fourpairs.Ifyouexperienceissuesengagingtheupperpairs,checkyour

featurekeysfirst.

SystemIndicators

Indicator

Function

Alarm

OffNosystemalarms.

OnSystemalarm. 

(TypicallyNTPalarm)

BISS

OffNoencryptionset

OnEncryptionactive

Link

OffNonetworkdetected

OnNetworkcommunicationactive

Busy

OffNonetworkactivity

OnNetworktrafficpresent

Controls

UsingtheMode,Select,Enter,Escape,anddirectionalbuttons,theusercancontrolthe

unitviathefrontpanel.



Control

Function

Modebutton

Modewillcycleyouthroughtoplayermenus.

Select

Selectwillenteryouintoeditmode.

Enter

Entersubmitsanyedits.

Escape

Escapereturnsyoutothepreviousmenulayer.

CursorArrows

Arrowswillnavigateyouwithinsubmenus

Programming

Keypad

Forvalueentry.F2functionsasa“.”decimalorperiod.



ModulatorUplinkLineup

Thisfeatureenablestheoperatortoquicklyviewand/orconfigureselectmodulatorRF

outputparameters.Toaccessthemenu,presstheF1andF2keyssimultaneously.Thefront

panelwillbrieflyflash“MODULATORUPLINKFREQUENCYLINEUP”thendisplaythemenu.



Theparametersavailableinthismenuare:



1. CarrierMode: [PURE_CARRIERorON] adjustedbySELECT

2. Transmit: [ENABLEDorDISABLED] adjustedbyENTER

3. OutputPower: [in0.5dBincrements] adjustedby↑or↓button

4. OutputFrequency: [readonlyifTxENABLED] adjustedbynumberpad



Notes: 



● Tousethisfeature,thefrontpaneldisplaymustbeilluminated.Ifthedisplayis

dim,pressANYfrontpanelbuttontoilluminateit.

● IftheunithasbeenpreviouslyconfiguredbytheoperatorandpoweredOFFandON,

thenthedisplaywillreadthelastvalidconfiguration,however,Txwillread

DISABLED.

● AnyFrequency(LO,UPLINK,FREQUENCY)mayonlybeadjustedifTxissetto

DISABLED.Otherwise,thefrequencywillberejected.

● Thelegacy“ModulatorFrequencyLineup”(IFandLBand)withdescribedbehavioris

stillavailablebyvisitingtheRFTxMENU>“ModulatorFrequencyLineup”Menu.

● F2isusedasthedecimalpointforFrequencyInput

● Frequencyentriesare“HOT”,IE,userdoesnotneedtopressenter

● IfFrequencyenteredisoutofrange(CalculationpushesIF/LBandoutofrange),the

valuewillberejected.

● AlwaysreviewtheLOsettingbeforeenteringtheUplinkLineupmenu.



TosetthedesiredoutputModulatorFrequency,usethenumberpadtotypedesired

frequency.1,2,3,4,6,F2,6,7,8,9.forexamplewillsubmit12346.6789MHz.



ToselectthedesiredCarrierMode,pressthefrontpanel“SELECT”button.



TosetTransmittoENABLEDorDISABLED,pressthefrontpanel“ENTER”button.



TosetthedesiredoutputPowerLevel,pressandholdthefrontpanel↑or↓button.



FrontPanelMenuStructure

ServicesMenu

Item

Function

Options

TSMuxRate

TransportMuxRateisthetotaltransport

streamrate.Usethisnumbertomatch

totalcircuitthroughput

7000100000000 

Program

Number

SetstheprogramnumberinthePAT

(ProgramAssociationTable).Thisvalue

isindecimalformat.

18190

ServiceName

Identifiestheservicebyname.This

valueisusedtopopulateeithertheDVB

SDTtable,orATSCVCTtable.Youare

limitedto20charactersinDVBmode

and7inATSCmode.WhenusingBars,

TonesandIDoverlays,thisfieldis

displayedaspartoftheservice

information.

120asciicharacters

inDVBmode

17asciicharactersin

ATSCmode

ServiceProvider

Identifiedtheservicesprovider.This

valueisusedtopopulateeithertheDVB

SDTtable,orATSCVCT.Whenusing

Bars,TonesandIDoverlays,thisfieldis

displayedaspartoftheservice

information.

120asciicharacters

inDVBmode

120asciicharacters

inATSCmode

Tables

Allowstheoperatortochoosewhichtype

ofTablestheencoderwillgenerate.

DVBincludesPMT,PAT,NITandSDT

tables

MPEGincludesPATandPMTtables

ATSCincludesPAT,PMT,VCT,RRT,

MGT,andSTTtables

DVB

ATSC

MPEG

SplicePID

Active

AddsPID(configuredinPIDmenu)to

transportstreamforcarriageofSCTE35

messages.Thisoptionisusedin

combinationwithDVCfilesortheGPIO

portforSCTE35payloadgeneration.

NO

YES

ASIReceive

Mode

RoutesaexternalASIsignalfromthe

HD/SDIinputintheplaceofthe

ON

OFF



internallyencodedsignal.



ASIMode

ConfigurestheASIoutputportstransmit

mode.

WhensettoContinuous,Datais

transmittedattheconfiguredTMRrate

continuouslyregardlessofwhetheror

notthereisavalidvideosource.

WhensettoEncodeonly,datawillonly

betransmittedifthereisavalidvideo

source.Datawillnotbetransmittedif

theencoderisidling.

CONTINUOUS

ENCODEONLY

CarrierIDMenu

CarrierIDcontainsuniqueinformation

withinthetransportstreamtoaidin

identifyingandtroubleshootingsatellite

sources.SpecifiedbySUIRGand

endorsedbytheWBUISOG,theuserwill

needtocompletesomefields.The

EncoderManufacturerandEncoderSerial

Numberfieldswillautomaticallybefilled.

ProviderID:5

characters.

Phone:17Character

number(typically

operatorMCR/POC

number.'+','(',and

')'.

Longitude:9

Characters

('+000.0000'to

'+/180.0000')

Latitude:8Characters

('+00.0000'to

'+/90.0000')

UserInformation:15

characters.

Bars,Tones,ID

Menu

Bars,TonesandServiceIDinformation

canbeoverlayedontopofvalidvideoby

selectingthedesiredcombinationfrom

thismenu.

BarsMode:ON,OFF

BarsType:BARS,

Solidcolor,FLASH

TonesMode:ON,OFF

OSDMode:ON,OFF,

BLINK



 



RFTxMenu

Item

Function

Options

Transmit

Allowstheoperatortoenableordisable

theMainRFoutput.IfTransmitis

enabledandanyvalueforType,

Frequency,Rolloff,SymbolRate,or

InterfaceRateischanged,thenTransmit

willbeautomaticallydisabled.However,

themonitoroutputwillremainactive.

Disable

Enable

Type

Allowstheselectionofthemodtype.

DVBS

DVBS2

Mode

Thiscontrolallowstheoperatortoselect

thedesiredmodulationmodeandFEC

coderate.

Wedisplayallpossible

rangesavailableviaour

deviceintheFrontPanel.

Thislistwilldifferfromthe

listfoundinthewebUIas

itonlyshowsthoseoptions

availablebasedonthe

featurekeysfound.

QPSK1/2

QPSK2/3

QPSK3/4

QPSK5/6

QPSK6/7

QPSK7/8

QPSK1/4

QPSK1/3

QPSK2/5

QPSK3/5

QPSK4/5

QPSK8/9

QPSK9/10

8PSK3/5

8PSK2/3

8PSK3/4

8PSK5/6

8PSK8/9

8PSK9/10

16QAM3/4

16QAM7/8

16APSK2/3

16APSK3/4

16APSK4/5

16APSK5/6

16APSK8/9

16APSK9/10

32APSK3/4

32APSK4/5

32APSK5/6

32APSK8/9

32APSK9/10



Local

Oscillator

Thisfieldshouldcontainthefrequencyof

yourexternalBUC. 



Itisprovidedforconveniencepurposes

onlyandtoaidintheautomatic

calculationoftheModulatorfrequency.

Thisfieldmayonlybe

changedifTxisDISABLED.



Theactualrequiredsettingwilldepend

onyourexternalhardware(Block

Upconverter),andmaydifferfromthe

valuesethere.Ifso,pleaseupdate.

Alternatively,thisvaluemaybesetto0

todisableautocalculation.

Uplink

Frequency

Thisfieldshouldcontainthefrequencyof

thesatelliteuplinkpaperwork.



Itisprovidedforconveniencepurposes

onlyandtoaidintheautomatic

calculationoftheModulatorfrequency.

AlwaysverifyotherFrequencysettings.

Thisfieldmayonlybe

changedifTxisDISABLED.

Frequency

Allowstheoperatortoenterthedesired

outputfrequencyofthemainRFoutput

port.

7039:950MHz1.75GHz

LBAND

7139:950MHz2.15GHz

LBAND

50MHz180MHzIF

**Themonitoroutput

frequencyfortheENXXIF

isfixedat1.080GHz.The

monitoroutputfrequency

fortheENXXLBand

trackswiththemainRF

outputfrequency.This

fieldmayonlybechanged

ifTxisDISABLED.

Power

Allowstheoperatortoconfigurethe

outputpowerofthemainRFoutputport.

Themonitoroutputpowerlevelforthe

ENXXIFandLBandisfixedat45dBm.

Powerisdefinedasthecompositepower

referencedtoanunmodulated(Pure

Carrier)carrier.

7039:50to7dBmLBAND

7139:35to+5dBm

LBAND

30to+5dBmIF

Spectrum

Inversion

TheSpectrumInversionoptionsare

eitherNormalorInvert.IfNormalis

selected,thenspectruminversiondoes

notoccur.Spectralinversioncanoccur

wheneitherthebasebandsignalis

upconvertedtoanIFfrequencyorwhen

theIFisupconvertedtothedesiredRF

outputfrequency.

Invert

Normal

FECFrame

WhenoperatinginDVBS2,theFrame

TypeoptionsareeitherNormalorShort.

Short

Normal



TheNormal64,800bitFECframe

providesbetterprotectionbutintroduces

morelatencycomparedtotheShort

16,200bitFECframe.Therefore,the

ShortFECframetypeshouldbeselected

inapplicationswherelatencyiscritical

andthelongerframetypeshouldbeused

tooptimizeprotection.

Rolloff

TheRolloffselectionwilldeterminethe

shapeoftheoutputfilter.Theoccupied

bandwidthofthemodulatedsignalisthe

symbolratemultipliedby(1+α)where

alpha(α)istherollofffactor.Byusinga

loweralpha,carrierscanbespacedcloser

togetheronagiventransponderoran

increasedsymbolratecanberealizedfor

agivenbandwidth.

20

25

30 

Pilot

WhenoperatinginDVBS2,thePilot

optionsareeitherONorOFF.Whenpilots

areenabled,thetotaldatathroughputis

reducedbyapproximately3.0%.

On

Off

Rate

Priority

TheRatePrioritycontrolallowsthe

operatortodesignatewhichratewillbe

keptconstant.WhentheSymbolRateis

enteredandRatePriorityisSymbol,the

symbolrateisheldconstantandthe

Interfacerateiscalculated.Whenthe

InterfaceRateisenteredandRate

PriorityisInterface,theinterfacerateis

heldconstantandthesymbolrateis

calculated.



Symbol

Interface

Symbol

Rate

Thenumberofsymbolstransmittedper

second.Theamountofdatapersymbol

isdependantuponthemodulationtype,

e.g.QPSK,8PSK,etc.

Rangecanbedetermined

byfeaturekey.

Interface

Rate

TheInterfaceRateisthebitrateatthe

basebandinterface.

Rangecanbedetermined

byfeaturekey.

Carrier

Mode

TheCarrierModecontrolallowsthe

operatortoselectONfornormal

operationsorselectoneoffour

unmodulatedcarriers.ThePureCarrier

PureCarrier

On

Clock/8

Clock/4



optionwillprovideanunmodulated

outputcarrieratthedesiredfrequency

andoutputpower.OtherCarrierMode

optionsincludeClock4/8/16.

Clock/16 

10Mhz

Clock

Allowsoperatortogenerateorpassa

10Mhzsignal.Thesignalcanbe

generatedinternallyorsourced

externally.



***Thisisaspecialorderoption.Ifyour

unitdoesnothavethefunctionalitythe

settingwillread“N/A”

OFF

ON

EXTERNAL

10Mhz

Clock

Combined

Allowstheoperatortochoosewhetheror

nottocombinethe10Mhzsignalwiththe

LBandoutput.



***Thisisaspecialorderoption.Ifyour

unitdoesnothavethefunctionalitythe

settingwillread“N/A”

UNCOMBINED

COMBINED

Modulator

Uplink

Lineup

Menuthatallowsusertomodify4RF

parameters.CarrierMode,Power,

Transmit,UplinkFrequency

SeeModulatorLineup

sectiononusage

Modulator

Frequency

Lineup

Allowsusertomodify4RFparameters.

CarrierMode,Power,Transmit,Modulator

Frequency

SeeModulatorLineup

sectiononusage



 



IPTxMenu

Note:thisisaparallelmenu.Ithasfourindex.Usetheleftorrightarrowstonavigateto

desiredindex.

Item

Function

Options

Mode

EnablesIPEgress.

Off

Send

IPTxMode

IPTxModecontrolstheprotocolused

fortransmittingatransportstream

overIP.



UDP/RTPare‘onewaystreet’types

ofprotocolsinwhichthetransmitter

sendsdataandisneverinformedif

dataislostatthereceiver.Theuseof

RTPassistswithoutoforderpackets

andwhencombinedwithSMPTE2022

FEC,assistswithlostpackets.

SMPTE2022FEChowevercomeswith

thepriceofbandwidthoverhead.



TCP,aconnectionbasedprotocol,can

overcomesomeofthefundamental

limitationsofUDPandRTP.TCP

streamsgenerallyhavehigherlatency,

butcanbemorereliablebecauseeach

packetisaccountedforbythe

receiver.Ifapacketislost,the

transmitterwillretransmitthe

packet.Thetransmitterandreceiver

continuetocommunicateabout

receptionqualityandattemptto

adjustpacketdeliveryaccordingly.

TheTCPmechanismwhencombined

withlargeIPreceivebufferscanbe

moreforgivingwithpacketloss,jitter,

andoutoforderpackets(typically

usedoverthepublicinternet).



MulticastisnotsupportedwithTCP

streams.TCPisrecommendedfor

pointtopointapplicationsutilizing

unreliablenetworkswherehigh

throughputandlowlatencyarenot

required.



UDP/RTPTxModeisthedefault

configurationandrecommendedfor

themajorityofbroadcastapplications

UDP/RTP

TCP



(highthroughput,reliablenetworks,

lowlatency,multicast).

TxIP

Address

IPAddressonwhichatransport

streamistransmitted.

userdefinedusingthe

numerickeypad

TxPort

portassignmentusedfortransmitting

amulticast

userdefinedusingthe

numerickeypad

DVBperIP

Allowstheoperatortoselecthow

manyDVBpacketstoinsertintoeach

Ethernetframe.

1

4

7

RTP

allowsforsequencenumberingand

timing;editableifMulticastModeis

setto'Send'

On

Off

FECMode

ForwardEdgeCorrection;selects

on/off.Whenselected,sendstwoFEC

RTPstreamsinadditiontoasource

RTPstreamenablingareceiverto

reconstructmissingpacketsinthe

sourcestream.

OFF

ON

MAXBURST

BURST

LOWLATENCY

FECL

affectsthemaximumburstpacketloss

thatcanberecovered

420

FECD

defineslatencyinvolvedin

burstrecovery

420

TOS

AllowstheoperatortosetstheTOS

bitsintheIPv4headeroftheTSoIP

payload

0=Normalservice

2=Minimizemonetarycost

4=Maximumreliability

8=Maximizethroughput

16=Minimizedelay

TTL

TimetoLive;specifiesthenumberof

iterationsortransmissionsthepacket

canundergobeforeitisdiscarded

userdefinedusingthe

numerickeypad

TxConnector

setsthephysicalconnector(onthe

rearoftheunit)touseformulticast

transmitpurposesontheindicated

encodechannel.

Ethernet

GigE



 



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Adtec Digital EN-40 User manual

Brand: Adtec Digital

Model: EN-40

Category: Modulator

Type: User manual

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Adtec Digital EN-40 User manual

Adtec Digital EN-40 User manual

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