Martin Audio U-Hub User manual

User Guide

U-Hub

Ethernet to U-NET™ Bridge

V1.0 Nov2018

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U‐Hub USERGUIDE

U‐HubUserGuideV1.0 1

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MartinAudioU‐HubUserGuide

Contents

MartinAudioU‐HubUserGuide......................................................................................................................................................1

Contents...........................................................................................................................................................................................1

IMPORTANTSAFETYINSTRUCTIONS................................................................................................................................................3

CONSIGNESDESÉCURITÉIMPORTANTES.........................................................................................................................................4

AVERTISSEMENTDESECURITE.....................................................................................................................................................4

COMPLIANCE....................................................................................................................................................................................5

FORCUSTOMERSINEUROPE........................................................................................................................................................5

FORCUSTOMERSINTHEUSA.......................................................................................................................................................5

FORCUSTOMERSINCANADA.......................................................................................................................................................6

ThanksandUnpacking......................................................................................................................................................................7

UnpackingtheMartinAudioU‐Hub.............................................................................................................................................7

INSTALLATIONINSTRUCTIONS ..........................................................................................................................................................7

MechanicalInstallation.................................................................................................................................................................7

ACPowerConnection...................................................................................................................................................................8

TheUserGuide.................................................................................................................................................................................9

IntroductionandKeyFeatures.......................................................................................................................................................10

Introduction................................................................................................................................................................................10

KeyFeatures...............................................................................................................................................................................10

U‐NetConnections.....................................................................................................................................................................10

BlockDiagram.............................................................................................................................................................................11

SystemExample..........................................................................................................................................................................11

AudioConnections..........................................................................................................................................................................13

InputConnections......................................................................................................................................................................13

Usingunbalancedconnections ...................................................................................................................................................13

U‐HubNetworkConnections......................................................................................................................................................14

PanelLayouts..................................................................................................................................................................................15

RearPanel.......................................................................................................................................................................................16

Introduction....................................................................................................................................................................................17

ConnectPowertotheU‐Hub......................................................................................................................................................17

ConnectallinputandNetworkcables........................................................................................................................................17

IPSelection.................................................................................................................................................................................17

IPReset.......................................................................................................................................................................................17

Accessories..................................................................................................................................................................................... 18

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Cables.........................................................................................................................................................................................18

Adaptors.....................................................................................................................................................................................19

Audio/U‐NetSplitter...................................................................................................................................................................19

Vu‐Net............................................................................................................................................................................................20

Introduction................................................................................................................................................................................20

Menus.........................................................................................................................................................................................20

Windowcomponents.................................................................................................................................................................21

WorkingOffline..........................................................................................................................................................................36

DeviceDiscovery.........................................................................................................................................................................36

DeviceID.....................................................................................................................................................................................43

RightClickmenu.........................................................................................................................................................................44

IPSettings...................................................................................................................................................................................45

TechnicalSpecifications..................................................................................................................................................................47

General.......................................................................................................................................................................................47

FrontPanel.................................................................................................................................................................................47

Physical.......................................................................................................................................................................................47

TechnicalDrawing..........................................................................................................................................................................48

Warranty.........................................................................................................................................................................................49

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IMPORTANTSAFETYINSTRUCTIONS

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1. Readtheseinstructions.

2. Keeptheseinstructions.

3. Heedallwarnings.

4. Followallinstructions.

5. Donotusethisapparatusnearwater.Apparatusshallnotbeexposedtodrippingorsplashingandnoobjectsfilledwith

liquids,suchasvases,shallbeplacedontheapparatus.

6. Clean

onlywithdrycloth.

7. Donotblockanyventilationopenings.Installinaccordancewiththemanufacturer'sinstructions.

8. Donotinstallnearanyheatsourcessuchasradiators,heatregisters,stovesorotherapparatus(includingU‐Hubs)that

produceheat.

9. Donotdefeatthesafetypurposeofthepolarized

orgroundingtypeplug.Apolarizedplughastwobladeswithone

widerthantheother.Agroundingtypeplughadtwobladesandathirdgroundingprong.Thewidebladeorthethird

prong are provided for your safety. If the provided plug does not fit into your outlet,

consult an electrician for

replacementoftheobsoleteoutlet.

10. Protectthepowercablefrombeingwalkedonorpinchedparticularlyatplugs,conveniencereceptaclesandthepoint

wheretheyexitfromtheapparatus.

11. Onlyuseattachments/accessoriesspecifiedbythemanufacturer.

12. Useonlywiththecart,tripod,

bracketortable specifiedbythemanufacturer,orsoldwiththeapparatus.Whenacart 

isused,usecautionwhenmovingthecart/apparatuscombinationtoavoidinjuryfromtip‐over.

13. Unplugthisapparatusduringlightningstormsorwhenunusedforlongperiodsoftime.

14. Referall

servicingtoqualifiedservicepersonnel.Serviceisrequiredwhentheapparatushasbeendamagedinanyway,

suchaspower‐supplycableorplug damaged, liquidhasbeen spilled orobjectshave fallen intotheapparatus, this

apparatushasbeenexposedtorainormoisture,doesnotoperatenormally,orhas

beendropped.

SAFETYWARNING

Donotremoveanycovers,loosenanyfixingsorallowitemstoenteranyaperture.

SAFETYWARNING

Therearofthe productmaygethot.Avoiddirectskincontactduringoperationandforatleast5minutesafterpowerhasbeen 

isolated.

SAFETYWARNING

Theproduct

mustonlybepositionedatfloorlevelwhenoperatedinahorizontalposition.

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CONSIGNESDESÉCURITÉIMPORTANTES



1. Lisezcesinstructions.

2. Conservezcesinstructions.

3. Respecteztouslesavertissements.

4. Suiveztouteslesinstructions.

5. Nepasutilisercetappareilprèsdel'eau.L'appareilnedoitpasêtreexposéàdesgouttesoudeséclaboussuresetaucun

objetcontenantdesliquides,telsquedesvases,ne

doitêtreplacésurl'appareil.

6. Nettoyeruniquementavecunchiffonsec.

7. Nepasbloquerlesouverturesde ventilation.Installerconformémentauxinstructionsdufabricant.

8. Nepasinstallerprèsdesourcesdechaleurtellesqueradiateurs,registresdechaleur,poêlesouautresappareils (y

comprislesamplificateurs)quiproduisent

delachaleur.

9. Nesupprimezpasledispositifdesécuritédelafichepolariséeoumiseàlaterre.Unefichepolariséepossèdedeux

lamesdontl'uneestpluslargequel'autre.Uneprisedeterreaeudeuxlamesetunetroisièmebrochedeterre.Lalame

large

ou la troisième broche sont  fournies pour votre sécurité. Si la fiche fournie ne rentre pas dans votre prise,

consultezunélectricienpourremplacerlapriseobsolète.

10. Protégerlecordond'alimentationsoitécraséoupincé,particulièrementauniveaudesfiches,desprisesetlepointoù

ilssortentdel'appareil.



11. Utilisezuniquementlesaccessoiresspécifiésparlefabricant.

12. Utilisezunique ment  le chariot,letrépied,le supportoula tablespécifiés parlefabricant,ou venduavecl'appareil.

Quand un chariot est utilisé, soyez prudent lorsque vous déplacez l'ensemble chariot / appareil afin d'éviter toute

blessureencasde

chute.

13. Débranchezcetappareilpendantlesoragesoulorsqu'iln'estpasutilisépendantdelonguespériodesdetemps.

14. Adressez‐vous à un personnel qualifié. Une réparation est requise lorsque l'appareil a été endommagé de quelque

façonquecesoitlecordond'alimentationoulaficheendommagé,duliquidea

étérenverséoudesobjetssonttombés

dansl'appareil,cetappareilaétéexposéàlapluieouàl'humidité,nefonctionnepasnormalement,ous'ilesttombé.

15. Ledispositifnedoitpasêtreexposéàdesgouttesoudeséclaboussuresetaucunobjetremplideliquides,telsque

des

vases,doitêtreplacésurl'appareil.

16. Déconnexionpermanentedel'alimentationsecteurdoitêtreatteintensupprimantleconnecteurducordonfournià

l'arrièredel'unité.Ceconnecteurdoitêtrefacilementutilisable.

AVERTISSEMENTDESEC URITE 

Neretirezpaslescouvercles,nedesserrezpaslesfixationsetnelaissezaucunepièces'introduiredans lesouvertures.

AVERTISSEMENTDESEC URITE 

Leradiateurarrièredecetappareildevientchaud.Eviteztoutcontactdirectaveclapeaupendantlefonctionnementetaumoins

5minutesaprèslamisehorstensiondel'appareil.

AVERTISSEMENTDESEC URITE 

Leproduitnedoitêtrepositionnéauniveaudusollorsqu'ilestutiliséenpositionhorizontale.

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U‐Hub USERGUIDE

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COMPLIANCE

FORCUSTOMERSINEUROPE

This product complies with boththe LVD (electrical safety) 73/23/EEC and EMC (electromagnetic compatibility) 89/336/EEC

directivesissuesbythecommissionoftheEuropeancommunity.

CompliancewiththesedirectivesimpliesconformitywiththefollowingEuropeanstandards:

EN60065Productsafety

EN55103‐1EMCemissions 

EN55103‐2EMCimmunity

Thisproductisintendedfor

thefollowingelectromagneticenvironments:E1,E2;E3&E4.

THISPRODUCTMUSTBEEARTHED.Useonlyaflexiblecableorcordwithagreenandyellowcorewhichmustbeconnectedto

theprotectiveearthingterminalofasuitablemainsplugortheearthingterminaloftheinstallation.Thecord

mustbeamaximum

of2mlong,havea2.5mm2CSA,a300/500VratingandcomplywithEN50525‐2‐11/H05W‐F.

THISPRODUCTISDESIGNEDFO RPERMANENTINSTALLATION.Itmustbefittedintoa19”rackenclosureandnotoperatedunless

soinstalled.Therackenclosureshouldbe

openatthefrontandbacktoallowfreeventilationandmovementofairthroughthe

product.

FORCUSTOMERSINTHEUSA

ThisproductcomplieswithUL600657thedition.

THISPRODUCTMUSTBEEARTHED.Useonlyaflexiblecableorcordwithagreenorgreen/yellowcorewhichmustbeconnected 

totheprotective earthingterminal of a suitable mains plug or the earthing terminal of the installation. The cord must

bea

maximumof6’long,be14AWG,havearatingSJ,SJT,SJEor300/500VH05W‐FandbemarkedVW‐1.

THISPRODUCTISDESIGNEDFO RPERMANENTINSTALLATION.Itmustbefittedintoa19”rackenclosureandnotoperatedunless

soinstalled.Therackenclosureshould

beopenatthefrontandbacktoallowfreeventilationandmovementofairthroughthe

product.

DECLARATIONOFCONFORMITYWITHFCCRULES

We,MartinAudioLtd.ofCenturyPoint,HalifaxRoad,CressexBusinessPark,HighWycombe,HP123SL,England,declare under

oursolerespo nsibilitythatthisfamilyofdevices,

complieswithPart15oftheFCCRules.Operationissubjecttothefollow ing

twoconditions:(1)thisdevicemaynotcauseharmfulinterfe rence,and(2)thisdevicemustacceptanyinterferencereceived,

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

FEDERALCOMMUNICATIONSCOMMISSIONNOTICE

Anexampleof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and

commercial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andcorrecttheinterferencebyoneor

moreofthefollowingmeasures:

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

 Increasethedistancebetweentheequipmentandthereceiver.

 Connecttheequipmentto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.

FCCCaution:Anychangesormodificationsnotexpresslyapprovedbythepartyresponsibleforcompliancecouldvoidtheuser’s

authoritytooperatethisequipment.



 



U‐Hub USERGUIDE

U‐HubUserGuideV1.0 6



…………

FORCUSTOMERSINCANADA

ThisproductcomplieswithCA/CSAC22.2No.60065‐03

CeproduitestconformeavecCA/CSAC22.2No.60065‐03

THISPRODUCTMUSTBEEARTHED.Useonlyaflexiblecableorcordwithagreenorgreen/yellowcorewhichmustbeconnected

totheprotective earthingterminal of a suitable

mainsplugortheearthingterminal of the installation.The cordmustbea

maximumof6’long,be14AWG,havearatingSJ,SJT,SJEor300/500VH05W‐FandbemarkedVW‐1.

CEPRODUITDOITÊTREMISÀLATERRE.Utilisezuniquementuncâblesoupleavecun

noyauvertouvert/jaunequidoitêtre

reliéàlabornedeterredeconnecteurd'alimentationoulabornedeterredel'installation.Lecordondoitêtreunmaximumde

6'(2m)delong,14AWG(2.5mm2CSA),êtreclasséSJ,SJT,SJEou300/500VH05W‐Fetêtre

marquéeVW‐1

THISPRODUCTISDESIGNEDFO RPERMANENTINSTALLATION.Itmustbefittedintoa19”rackenclosureandnotoperatedunless

soinstalled.Therackenclosureshouldbeopenatthefrontandbacktoallowfreeventilationandmovementofairthroughthe

product.

CEPRODUIT

ESTCONÇUPOURUNEINSTALLATIONPERMANENTE.Ildoitêtreinstallédansunboîtierrack19".Lerackdevrait

êtreouvertàl'avantetl'arrièrepourpermettr e laventilationetlemouvementd'airlibreàtraversleproduit.

DECLARATIONOFCONFORMITYWITHCANADIANICES‐003

ThisClassBdigitalapparatuscomplies

withCanadianICES‐003.

CetappareilnumériquedelaclasseBestconformeàlanormeNMB‐003duCanada.





 



U‐Hub USERGUIDE

U‐HubUserGuideV1.0 7



…………

ThanksandUnpacking

ThankyouforchoosingaMartinAudioU‐HubEthernettoU‐Netbridgeforyourapplication.Pleasesparealittletimetostudy

thecontentsofthismanual,sothatyouobtainthebestpossibleperformancefromthisunit.

AllMartinAudioproductsare carefullyengineeredforworld‐classperformance

andreliability.

IfyouwouldlikefurtherinformationaboutthisoranyotherMartinAudioproduct,pleasecontactus.Welookforwardtohelping

youinthenearfuture.

UnpackingtheMartinAudioU‐Hub

Afterunpackingtheunitpleasecheckcarefullyfordamage.Ifdamageisfound,pleasenotifythecarrierconcernedatonce.You,

theconsignee,mustinstigateanyclaim.Pleaseretainallpackagingincaseoffuturere‐shipment.

INSTALLATIONINSTRUCTIONS

MechanicalInstallation



TheU‐Hubisdesignedtobe mountedinastandard19”rackenclosure.

Wheretheprocessorisusedinafixedinstallation,aslongasthebottomunitissupportedandtherearenogapsbetweenunits,

itisacceptabletouseonlythefrontpanel19”rackholes

whenfittingitinastandardrackenclosure.IftheU‐Hubismountedin

a mobile rack it is important that the  rear or sides are supported with a suitable rack support bracket.  Damage caused by

insufficientsupportisnotcoveredbythewarranty.

Topreventdamagetothefront

panelitisrecommendedthatplasticcupsorwashersarefittedunder neaththerackmounting

boltheads.

ItispossibletousetheU‐Hubwithoutventilationgaps betweenotherrackproductsaslongastherearenoproductswhic h

generate extreme high temperatures, Amplifiers for example. If U‐Hubs

are in the same rack it is essential that adequate

measuresforcoolingareprovidedinaccordancewiththeAmplifiermanufacturersguidelines.Thisshouldensureaminimumof

heattransfertotheU‐Hub.



 



U‐Hub USERGUIDE

U‐HubUserGuideV1.0 8



…………

TheU‐Hubshouldneverbeexposedtorainormoistureduringoperationorstorage.Iftheunitdoescomeintocontactwith

moisture,removetheACpowercableimmediatelyandleaveitinadryandwarmlocationtodryout.

Notethatwhenanyequipmentistakenfroma

coldlocationintoahothumidone,condensationmayoccurinsidethedevice.

Alwaysallowtimefortheequipmenttoattainthesametemperatureasits surroundingenvironmentbeforeconnectingtheAC

powercable.

IMPORTANT

Itistheresponsibilityoftheusertoensurethatdirt,liquidsandvapourfrom

oil‐basedtheatricalsmoke,hazeorfogmachinesis

notingestedbytheU‐Hub.Damagesocausedisnotcoveredbythemanufacturer’swarranty.

ACPowerConnection

TheU‐HubutilisesastandardIECACpowerconnectorfittedwitharetainingclip.UseonlyanACpowercable withacorrectly

wiredIECconnectortomaketheconnectiontothemainspowersupply.Thisshouldbecompatiblewiththeretainingclipensure

thattheconnectordoesn’taccidentlydisconnect.



TheU‐Hubisdesignedtooperateon50/60HzACpower.Thepowersupplysectionautomaticallyconfiguresforeither115Vor

230Vnominalvoltageatturnon.TheU‐Hubwilloperateoveranextendedrangeofsupplyvoltages(pleaserefertothetechnical

specifications).





 



U‐Hub USERGUIDE

U‐HubUserGuideV1.0 9



…………

TheUserGuide

This user manual gives a progressively more detailed description of the functions of the Martin Audio U‐Hub. A detailed

explanationofthefrontandrearpanelcontrolsandindicatorsiscontainedinthenextsection.

ThefinalsectiondescribesuseoftheU‐HubwithinMartinAudioVu ‐Netsoftware.

Thisisanabridgedguidecoveringessentia l

U‐Hubfunctionality,forfulldetails ofVu‐NetpleaserefertotheVu‐NetUserguidewhichcanbedownloadedfromtheMartin 

Audiowebsite.



 



U‐Hub USERGUIDE

U‐HubUserGuideV1.0 10



…………

IntroductionandKeyFeatures

Introduc tion

TheMartinAudioU‐HubisanEthernettoU‐NETbridgeequippedwithanalogueandAES3digitalaudiotransport.Itfacilitates

PCconnectionandVU‐NET™softwarecontrolofMLASeriesarraysandsubwoofersviatheirinbuiltproprietaryU‐NETnetwork.

KeyFeatures

 EthernettoU‐Netbridge

 IPaddressable(staticanddynamic)

 Analogueanddigitalaudiotransport

 DesignedtoworkwithDX4.0loudspeakerprocessorforDante™digitalaudiodistribution

ConvertingTCP/IPtoU‐NETprotocol,U‐HuballowsMLASeriesenclosurestoself‐addressandidenti fytheirposition

withinan

array,aswell assupportinga simple‐to‐use redundantloop.WithU‐Hub,anMLA Seriessystem withonboard U‐NETcan be

seamlesslyintegratedintoaTCP/IPnetworkandcontrolledviaVU‐NETsoftware.

Whenusedinconjunction withtheMartinAudioDX4.0networkedsystemcontroller,U

‐Hubcanconnectaudioandnetworkto

anMLASeriessystemwithasinglecableviaaDante™digitalaudionetwork. 

U‐NetConnections

TheU‐HubfeaturestwoU‐Netportsandtwopairsofparallellinkstoenableneatlyloomednetworkcablestobeusedgoingto

andfromseveralarrays.TheU‐Netconnectionsareavailableon8‐pinODUconnectors.IncommonwithstandardEthernetdata,

U‐Netonlyusesfour

oftheavailable8pinsallowingbalancedanalogueorAESaudiotobefeddowntwoorthe‘spare’cores

thusgreatlysimplifyingsystemwiringasanindependentaudiocableisnolongerrequired.





 



U‐Hub USERGUIDE

U‐HubUserGuideV1.0 11



…………

BlockDiagram

ThisdiagramshowstheessentialfeaturesoftheU‐Hub,highlightinghowtheaudiofeedfromtherearpanelinputsiscombined

ontothreeoftheU‐Netconnections.



U‐Netisrunasaredundantloop,allU‐Netenabledproductshavetwoports.Port1ontheU‐

Hubwouldbeconnectedtoport1

onthefirstdevice,port2onthisdevicewouldlinkouttothenextdeviceandsoonwithafinallinkbacktoport2ontheU‐Hub

to complete the loop. This allows the system to continue  working seamlessly in

 the event of a cable being damaged or

inadvertentlydisconnected.Datawillsimplyflowintheoppositedirectiontoallowcontinuouscommunication.

Audioconnectionsarecombinedwiththenetworkfeeds.Audioinput1isconnectedtoapairofspareconnectionsintheU‐Net

port1ODU.Thiswould

usuallybeusedasthe“send”tothefirstarray.Areturnfromthe arraywouldbeconnectedtothefirst

linkinconnection.Audio2iscombinedwiththesecondODUinthelinkedpairallowingaudiotobefedtoasecondarray,aside

hangforexample.The

networkreturnfromthisarraycomesbacktothesecondlinkin.Audio3isconnectedtothelinkoutof

thispairandcanbeusedtorouteouttoathirdarraysuchasthesub‐wooferstack.Finally,theU‐Netreturnfromthesubsis

connected

toU‐Netport2ontheU‐Hubtocompletetheloop.

SystemExample 

Thisdiagramillustratesthewiringtothearrayforasystemasdescribedabove(notethatmainsconnectionshavebeenomitted

forclarity);‐



 



U‐Hub USERGUIDE

U‐HubUserGuideV1.0 12



…………



AudioinputcanbedirectfromaconsoleorfromaDX4.0processorusedasamatrix.Threeaudiofeeds–eacheitherbalanced

analogueorAESEBUdigital‐areconnectedtothethreeaudioinputsontherearoftheU‐Hub.

Thefirstoftheseiscombinedonto

theU‐NetPort1whichisconnectedtothefirstcabinetofthemainarrayviaaPWAXXXXXU‐

NettoU‐Net+AudioadaptorwhichsplitsthefeedfromtheU‐NetcabletoaU‐NetonlycableandanAESspecaudiocable

terminatedina

standard3‐pinXLR.TheXLRisconnectedtotheaudioinput.Theaudioisdaisychainedbetweencabinetsusing

standardaudiolinkcables.

WhenthefinalnetworkcableisroutedbacktotheU‐Hubitisterminatedusingthefirstofthelinkpairs.Thelinkpairslink

the

networkconnections(firsttwotwistedpairs)butNOTtheaudiomeaningthatthelinkoutcanbeusedtorouteacompletely

independentaudiofeedconnectedtotheAudio2inputuptothesidehanginthesameway.

Thereturnfromthesidehanggoestothesecond

linkpairinputwiththeoutputalsocarryingaudioinput3tofeedthesubarray. 

Finally,thelastnetworkconnectiongoesfromthefinalsubbacktoport2ontheU‐HubtoclosetheU‐Netloop.

 



 

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U‐Hub USERGUIDE

U‐HubUserGuideV1.0 13

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AudioConnections

InputConnections

ForeachaudioinputthereisafemaleXLRconnectorforanalogueorAESsign als.

TheHOT,+or‘inphase’connectionshouldbemadetopin2oftheXLRconnector.

TheCOLD,‐or‘outofphase’connectionshouldbemadetopin3oftheXLRconnector.

Pin1

oftheXLRconnectorsisinternallyconnectedtothechassis.TheshieldoftheinputcableshouldalwaysbeconnectedPin

1oftheXLRtoensurethatEMCperformanceandregulationsaremet.



Usingunbalancedconnections 

Pleasenotethattheuseofunbalancedconnectionsisnotrecommended,howeverwhenconnectingtheU‐Hubtoanunbalanced

audiosource,thesignalconductorshouldbeconnectedtoXLRpin2.The‘Cold’conductororcablescreenshouldbeconnected

toXLRpin1withashortconnectionmadebetweenpin

1andpin3.





 

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U‐Hub USERGUIDE

U‐HubUserGuideV1.0 14

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…………

U‐HubNetworkConnections

U‐Hubfeaturesa standard RJ45Ethernetport on the rearpanel using a NeutrikEthercon  connector. Thisis wired using the

standardEthernetwiringprotocolsoanyofftheshelfCAT5EorbetternetworkcablecanbeusedtoconnecttheU‐Hubtoyour

Ethernetnetwork.

Therearetwo

frontpanelmountedU‐NetportsforconnectiontotheU‐Netenableddevicesinyoursystem.TheseuseODU

connectorstotheLEMOhighspeeddataseriespattern.Wiringconfigurationisasfollows;‐



ThetwopairsoflinkedODUconnectorsarewiredasshownintheblockdiagram.Pins

1,2,3&6arelinkedtogether,pins4and

5onthelinkoutconnectorshavetheaudiosignalfromthecorrespondingaudioinput.

Thesamecablewiringconfigurationshouldbeusedforallnetworkconnections.





 

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U‐Hub USERGUIDE

U‐HubUserGuideV1.0 15

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PanelLayouts



1.OnLineIndicator‐IlluminatestoshowthattheU‐HubisconnectedtoanEthernetnetwork

2.IPReset‐ResetsaU‐HubthathasbeenconfiguredforstaticIPbacktodynamic

3.StaticIP‐IndicatesthattheU‐HubhasbeenconfiguredforstaticIP

4.U‐

NetStatus‐TheU‐NetLEDwillilluminategreenwhenagoodconnectionismadetoaU‐Net

enableddeviceconnectedtoport1

5.U‐NetConnections‐SixODUconnectorsprovideU‐NetconnectivityconsistingofPort1,port

2andtwolinkedpairs.Port1andthe‘Out’

connectionofeachlinkedpairalsocarryaudioroute d

fromtheinputconnectorsontherearpanel.

6.U‐NetStatus ‐TheU‐NetLEDwillilluminategreenwhenagoodconnectionismadetoaU‐Net

enableddeviceconnectedtoport2

7.PowerIndicator‐Thisredindicator

islitwhenpowerisapplied







 

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U‐Hub USERGUIDE

U‐HubUserGuideV1.0 16

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RearPanel



1. Power Inlet‐ The unit should be connected to a suitable mains electricitysupply using a

standard IEC power lead. The device has a switch mode power supply that is capable of

operatingwithanominalmainsvoltageof100Vto230V,50/60Hzwithoutre‐configuration.

TheIECconnectorshould

becompatiblewiththeretentionclipsoitcanbesecuredwiththe

cliptoensuretheconnectorcannotaccidentallydisconnect.

2.MainFuse‐Thisshouldbefittedwithananti‐surge(T)fuseratedat1amp.

3.Ethernet‐NeutrikEtherconallowinganethernetconnectionusingwitherastandardCAT5E

connector

oranEtherconcable.

4. Analogue / AES EBU Audio  Inputs‐ Carries audio feed to the three ODU audio outputs

combinedwiththeU‐Netnetwork.





 

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U‐Hub USERGUIDE

U‐HubUserGuideV1.0 17

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…………

Introduction

ConnectPowertothe U‐Hub

ConnectapowersourcetotheU‐HubusinganIECcableandsecureusingtheretainingclip.

ConnectallinputandNe tw orkcables.

InputcablesshouldbebalancedXLRusing3‐corecablewithashield.MostsignalprocessingandmixingproductsalsouseXLR

connections,sothecablecanbea maletofemaleXLRor“microphone”cable.

NetworkConnectionsshouldbemadeusingODUU‐Netcablesoradaptorsavailableasaccessories

fromMartinAudio.

IPSelection

The U‐Hub can communicate over the ethernet network which has been configured for static or dynamic IP. The default is

dynamicIPwherethenetworkhasaDHCPservertoassignindividualIPaddressestoallnodesdetectedonthenetwork.Thisis

extremelystraightforwardforaplugandplay

systemwhichiswhyDomesticroutersareconfiguredtoactasaDHCPserverby

default.Static IPremoves therequirement fora DHCPserveronthenetworkso isfrequentlythechoicefor moreadva nced

systems.

TheU‐HubcanbeconfiguredforStaticIP,there aretwomethods

toenablethis.Youwillneedtoknowtherangeforallother

productsonthenetworkandassignanIPaddresswrithingthesamerangebutwithanaddressuniquetotheU‐Hub.

You can select the default Static IP  address by using the IP Reset switch on the

 front panel. Press and hold the switch for

approximately3secondsandtheU‐Hubwillbe settoStaticIPwithanaddressof169.254.19.71.Thedefaultaddressgivesyou

theflexibilitytoconnecttotheU‐HubwithouthavingtoadjustyourPCLANsettings,ifthePC

isindynamicmodeitwillself‐

assign a link local address in the 169.254.xxx.xxx domain. If your network is configured for static mode, the U‐Hub will be

immediatelydiscoverableaslongasyournetworkisinthe169.254.xxx.xxxrangeandaslongasthereisn’tanotherdevicewith

the

sameIP.TheprincipalintentionofthismodeistogiveyouimmediateconnectiontotheU‐Hub,soyoucanchangetheIPto

anumberofyourchoice

YoucanalsochangetheIPmodeviaVu‐Net(SeetheVu‐Netchapter)usingtheright‐clickmenu.

Notethatifyouareinthe 

defaultdynamicmodeandyou changetoastaticIPaddressoutsidethe169.254.xxx.xxxrangeyouwillloseconnectionwiththe

U‐HubuntilyoureconfigureyourPCtostaticmode inthesamerange.

Whenthe U‐Hubhasbeensettostatic

IP,eithermanuallyorusingthedefaultstaticIPmode,theStaticIPfrontpanelLEDwill

illuminateyellow.

IPReset

IfaU‐HubhasbeenpreviouslyconfiguredforstaticIPitcanquicklybesettodynamicusingtheIPresetswitch.Theresetisa

recessedfrontpanelswitchashortpresswillreturntheU‐HubtodynamicIPconfiguration.ItcanthenbediscoveredviaVu‐Net



usingDeviceDiscovery,seetheVu‐Netchapterformoredetails.





 



U‐Hub USERGUIDE

U‐HubUserGuideV1.0 18

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Accessories

Cables

AfullrangeofU‐NetcablesinvariouslengthsareavailableforconnectionswithinanMLAseriessystem;‐



AllcablesuseBelden1305AtourgradeCAT5Ecableandfeaturethe8‐pinODUconnectorwhichisfittedwithauniqueover‐

mouldedstrainreliefmakingthemincrediblyrobust.The

partnumbersareasfollows;‐

800mm PWA00038 UsedtolinkbetweenMLAorMLACabinetsinanarray

3m PWA00039 UsertolinkMLX,DSXorMSXSubwoofers

5m PWA00051 Generalpurposecable,oftenusedtolinkfromaU‐Hubtothefirstsubwooferwheretheracksare

inclose

proximitytothesubs

15m PWA00063 Generalpurposecable,oftenusedtolinkfromaU‐Hubtothefirstsubwooferinanarray.

35m PWA00040 Mostcommonlyusedaspartofanarrayloomtogofromarackuptoaflownarrayandbackandas

cross‐

stageEthernetlinks

50m PWA00077 Extra‐longArray looms.

75m PWA00052 Suppliedonacabledrum,usedforEthernetconnectiontoFrontofhouseorextra‐longcrossstage

Ethernetlinksonlargefestivalstages.

125m PWA00041 Suppliedonacabledrum.125misthemaximumcablelengthbetweennodeson

aU‐Netnetwork

socanbeusedfortheultimatearrayloominsituationswherethecable pickhastobevirtuallyinvisibleandthereforeislikely

tobeparticularlylong.





 

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U‐Hub USERGUIDE

U‐HubUserGuideV1.0 19

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Adaptors

Thereareseveraladaptorsavailabletoassistwithcablingupasystem;‐



PCX00048 ThisisaU‐Netcouplerforextendingcables.ItishousedinaNeutrikDshellBarrellandhasanODUconnectorat

eachendwiredtogether.

PCX00043 ThisishousedinanidenticalNeutrikhousing

tothe U‐NetcouplerbuthasanEtherConconnectoratoneendand

ODUconnectorattheother.Thisallowstomixthecable infrastructurebetweenODUcablesandlowcostCAT5Ecable which

wouldbeamorecost‐effectivesolutionforinstalledsystems.

PWA00056 Thisisa10mCAT5E

cableterminatedoneendinanODUconnectorandtheotherinanRJ45connector.Asabove 

thisoffersacost‐effectivesolutionforcertainapplications.

Audio/U‐NetSplitte r 

TheU‐Hubaudiointegrationfeatureswillallowaudioandnetworksignalstobefedtoanarrayusingasinglecable.Tosplitthe

combinedU‐NetandaudiosignalsthededicatedadaptorassemblypartnumberPWAxxxxxisused.

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ThisreceivesthecombinedU‐Netandaudiofeedfrom

theU‐HubandsplitsitintoindependentODUandXLRcablestoconnect

totheU‐NetportandaudioinputonallMLAseriesproducts.

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Martin Audio U-Hub User manual

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