DTH Solutions
Transcript of DTH Solutions
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Optimizing COmmuniCatiOns f
direct to hom
Why is Comtech Telecommunications the worlds leading supplier of Direct To Home (DTH) head-end
transmission equipment?
We have the widest selection of DTH satellite uplink hardware:
Satellite Modems & Modulators
Frequency Converters
HighPowerAmpliers
Switching & Redundancy Options
Signal Monitoring Equipment
We empower DTH providers to increase service offerings & ARPU, and reduce recurring costs:
Enable software updates to new transmission standards
Improve bandwidth / power utilization and MER / BER performance
Enable full transponder utilization
Options for IP-based and VOD services
Add Enterprise IPTV offerings
Save75%inampliercosts,powerconsumptionandfacilitycosts
We provide service, support and stability:How can you expect the best available service and support from your vendors if they dont have a proven
track record of stability? Comtech is a U.S.-based public company (NASDAQ: CMTL). Comtech has been in
thesatellitebusinesssince1967,hasahistoryofcontinuedgrowthandhassatellitecommunicationsground
equipment installed in more than 160 countries.
Over4,000satellitemodems/modulatorssoldtoDTHprovidersworldwide
Frequencyconvertersaverageover350,000hoursofservicewithoutoutage TWTAAmpliersdeployedbyeveryU.S.-basedDTHoperator
WIDEST SELECOF DTH UPLINKHARDWARE
MARKET-LEADITECHNOLOGIES
STABILITY &RELIABILITY
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sateLLite mODems & mODuLatOrs
Transport Stream Interfaces and Modularity
Toprotectyourlongterminvestment,ourmodems/modulatorscomewithaexibleassortmentofinterfaceoptionsthatareeld
installable. Multiple interfaces can be co-installed on these products
providingyourDTHuplinkfacilitytheexibilityandmonitoring
capability you demand. Interface expansion slots include:
10/100/1000Gig-EdatapipeFacilitatesIPTVservicestoenterprises and DVR caching service CCM,VCMandACMMod/CodMappingEnablesIPdataservicestobusinessandendusers PRO-MPEGCOP3AllowsuseofnextgenerationIP-basedencodersandmultiplexers Auto-EQ Automatic group delay and amplitude pre-distortion module Maximizes transponder resources and compensates forsatellite transponder distortion ASI-MonitorportProvidesvaluablecondencemonitoringsolutions
Redundant interfaces Enables transport stream selection and internal switchingPeak Performance
With4,000+modems/modulatorsdeployedbyDTHproviders,noothercompanyhasthebackgroundandexperienceofsupportinghigh
revenue DTH programs like Comtech does. Your satellite transmission equipment represents your sole delivery mechanism to your end
customer.DTHequipmentisnotusedasaterrestrialemergencybackup.Everyoutagerepresentsapotentiallossofmultiplechannels,
guaranteedadvertisingpositions,millionsofsubscribersandhundredsofthousandsofdollarsinrevenue.Ourmodems/modulators
aredesignedtoexceedtheDVB,DVB-S2andDVB-DSNGstandardsandprovidetheindustrysbestModulationErrorRatio(MER)
performance.Comtechmodems/modulatorsarebuilttolastfordecadesandprovideaplatformexibleenoughtosupportinfrastructure
upgradesandmodicationwithminimalimpacttohardwareandwiring.
FREQUENCY CONVERTERS
Comtech EF Datas converters set the standard for consistent
reliabilityandcost-effective,high-performancefrequency
conversion.ProvidingademonstratedMTBFof350,000hours
derivedfromgreaterthan10,000eldedunitsandover15years
ofmarketleadership,ourconvertersareanexcellentchoicefor
the stringent reliability requirements of broadcast systems. A broad
product line with over 40 different models translating between
IFfrequenciesof70/140MHzorL-BandtoC-,X-,Ku-Bandand
theHotbirdsatellitebandsensuresthereisaconvertersuitedforyourspecicrequirements.
Comtech offers 1:1 and 1:N redundancy switching options for your RF equipment. By utilizing the patented (U.S. #5666646) Daisy
ChainSwitchingtechnology,theconverterssupportredundantoperationusingdistributedprotectionswitchinginanactiveDaisyChainconguration.Thisredundantsystemtopologyprovidesbackupfor1to12onlineconverters.
ComtechsnumerousswitchingoptionscoupledwiththeRFperformance,breadthofproducts,anddemonstratedreliability,makeour
convertersthenocompromise,cost-effectivechoiceofDTHoperators.
CDM-710 Broadcast Satellite Modem &
DM240XR DVB Modulator
MBT-5000 L-Band Up/Down Converter System
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HigH pOWer ampLifiers
HighpowerampliersareacriticalcomponentinDTHuplinks.Ampliersaffectlinkperformance,andareoneofthemajorfactors
involvedindeterminingavailability,installationandoperationalcosts.OurComtechXicomTechnologydivisionunderstandsthatyouneedthemostcost-effectiveandreliablesolutionthatprovidestheexibilitytogrowyourbusiness.WearetheDTHuplinkamplier
providerofchoiceinNorthAmericaandtheleadingoutdoortravelingwavetubeamplier(TWTA)supplierworldwide.
TWTAsolutionsreducethecosttopurchase,install,operateandmaintaintheHPAsbyover75%whencomparedtoindoorklystron
powerampliers(KPAs).Weofferindustry-leadinghighpoweroutdoorpackagedTWTAsystemsinC-,Ku-,DBS-andKa-Band.
Reducing System Cost and Complexity
TWTAscansimultaneouslytransmitmultiplecarriers,takingtheplaceofmultipleKPAs.
Multi-carrier operation with a single HPA can dramatically reduce your installation and
replacementcosts.Forexample,aDTHproviderwithfourchannelstotransmitcanmultiplex
thesewitha1+1TWTAsolution,requiringonlytwoHPAs,comparedwithfouronline
ampliersandatleastonespareforaklystronapproach.Benetsinclude:
Eliminatingtheneedformultiplexersandsimpliedswitchingsystems. Reducing your HPA power consumption by ~90% due to the reduced number of HPAsrequiredandTWTAefciency,loweringoperatingcostsandenhancingreliability. Reducing the size and cost of the emergency backup generator (or increasing backupoperationtimebyupto10X). EliminatingtheneedforafastchannelchangerforthebackupHPA,sincetransmitfrequenciesareeasilychangedonaTWTAbymodifyingitsinputfrequency;klystronsmustbemechanicallytuned,increasingoperationalmanpowerrequirements.
High power outdoor TWTAs enable you to mount the HPA at the antenna. Moving the HPAs from the transmission room to the antenna
providesadditionalbenets:
EliminateslongwaveguiderunsbetweenthetransmissionroomandantennaalongwiththeirassociatedRFlosses.InmanycasesasingleTWTA,withitshigherinstantaneousbandwidth,canprovidemuchmorepowerattheantennacomparedtoKPAs. Reduces space requirements in the transmission room facility; saves on new installations and frees up space needed for upgrades Reducesairconditioningcostsbyeliminatingasignicantportionofthethermaldissipationinthetransmissionroom.
Flexibility for the Future
ExpandingyournetworkusingTWTAsiseasycomparedtoaKPAapproach.Carrierscanbeaddedwithoutinstallingadditional
ampliersaslongasthesystemoperateswithinthepowerandlinearityrequirementsoftheTWTA.Thismethodismoreexiblethanthe
traditionalapproachofaddinganewKPAforeachaddedcarrier.And,itprovidesexibilityinthelinkforchangesinpowerandlinearity
requirementsperchannelasthetransmissionstandardschange.MaximizingthisTWTAadvantage,weofferthehighestoutputpower
TWTAsintheindustry,withupto1250WatKu-Band,750WatDBS-Band,and500WatKa-Band.Sinceyouoperatetheselinksfor
decades,weofferTWTAswithmultiplesourcesoftubes,thusreducingdependenceonasingletubesupplier.OurTWTAsareavailable
withoptionsforextendedbandwidth,Ethernetinterface,predistortionlinearizers,andintegratedL-BandBUCs.
ThebusinesscaseforouroutdoorTWTAsinDTHuplinksiscompelling.DTHprovidersbenetfromareliablesolutionofferingreduced
costs,lowerelectricityconsumptionandareductioninfacilitiesandancillaryequipmentcosts.Ourlonghistoryoftechnologyleadership
in high power outdoor TWTAs for satellite communications and our outstanding record for reliability will help build your business and we
will be there to support you in the future.
Ka-Band Antenna-Mount TWTA
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sWitCHing & reDunDanCY OptiOns
WerecognizethatDTHoperatorsdependonyearroundoperationandsupport.Anyoutageaffectsmultipleprograms,vastrevenue
streamsandmillionsofcustomers.Forthesereasons,ComtechoffersDTHprovidersawideselectionofswitchingandredundancycongurationstocomplementourmodem,converterandamplierproducts.
Baseband,IF,L-BandandRFswitching Monitorportsforonline,backupandswitchpositioningforlocalandremotestatus Seriesswitching,independentswitchingandchainswitching 1:1primeservice,1:NandM:Ncongurations Productfaultdetection,validstreamdetection,IPaddressandPortbaseddetection
signaL mOnitOring eQuipment
Whether you need to monitor your signals at the uplink facility
orremotelyduetocrossstrappingorlocalizedfeedsupport,Comtech has a solution for your operations and service group.
ComtechofferssolutionsforIF,RFandbasebandmonitoring.
Comtech also offers specialized products to remotely monitor
signals and backhaul video and data feeds to network operation
centers (NOC) and uplink facilities. We offer ASI baseband
backhaulsolutions,Gig-EbackhaulsolutionsandremoteIRD
monitoring options.
DD240XR DVB Demodulator
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ComtechEFDatareservestherighttochangespecicationsofproductsdescribedinthisdocumentatanytimewithoutnoticeandwithoutobligationtonotifyanypersonofsuchchanges.Informationinthisdocumentmaydiffer
from that published in other Comtech EF Data documents. Refer to the website or contact Customer Service for the latest released product information. May 2009
2114 West 7th Street Tempe, AZ 85281 USA Voice 1.480.333.2200 Fax 1.480.333.2540
E-mail: [email protected] www.comtechefdata.com
mOre infOrmatiOn
Based on a consistent track record of reliability and stability, our market-leading satellite communications technologies
and global acceptance, you can have confidence when you select Comtech as your DTH head-end transmission equipmen
provider. Our solutions can help you increase service offerings, increase ARPU and reduce recurring costs.
Contact us to learn more about how our infrastructure products can be integrated into your network to optimizesatellite communications.