Patch panel - Wikipedia
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A patch panel is a device or unit featuring a number of jacks, usually of the same or similar type, for the use of connecting and routing circuits for ... Patchpanel FromWikipedia,thefreeencyclopedia Jumptonavigation Jumptosearch Devicefeaturinganumberofjacksforconnectingandroutingcircuits Thisarticleneedsadditionalcitationsforverification.Pleasehelpimprovethisarticlebyaddingcitationstoreliablesources.Unsourcedmaterialmaybechallengedandremoved.Findsources: "Patchpanel" – news ·newspapers ·books ·scholar ·JSTOR(April2012)(Learnhowandwhentoremovethistemplatemessage) Aremotebroadcasttrailer'sjackfield ApairofmanagedGigabitEthernetrack-mountswitches,connectedtotheEthernetportsonafewPanduitpatchpanelsusingCategory 6patchcables.(Allequipmentisinstalledinastandard19-inchrack.) Apatchpanelisadeviceorunitfeaturinganumberofjacks,usuallyofthesameorsimilartype,fortheuseofconnectingandroutingcircuitsformonitoring,interconnecting,andtestingcircuitsinaconvenient,flexiblemanner.Patchpanelsarecommonlyusedincomputernetworking,recordingstudios,andradioandtelevision. Thetermpatchcamefromearlyuseintelephonyandradiostudios,whereextraequipmentkeptonstandbycouldbetemporarilysubstitutedforfaileddevices.Thisreconnectionwasdoneviapatchcordsandpatchpanels,likethejackfieldsofcord-typetelephoneswitchboards. Contents 1Terminology 2Usesandconnectors 3Normalization 4Switches 5Seealso 6References 7Externallinks Terminology[edit] Theyarealsoreferredtoasapatchbay,patchfield,jackpanelorjackfield. Usesandconnectors[edit] Inrecordingstudios,televisionandradiobroadcaststudios,andconcertsoundreinforcementsystems,patchbaysarewidelyusedtofacilitatetheconnectionofdifferentdevices,suchasmicrophones,electricorelectronicinstruments,effects(e.g.compression,reverb,etc.),recordinggear,amplifiers,orbroadcastingequipment.Patchbaysmakeiteasiertoconnectdifferentdevicesindifferentordersfordifferentprojects,becauseallofthechangescanbemadeatthepatchbay.Additionally,patchbaysmakeiteasiertotroubleshootproblemssuchasgroundloops;evensmallhomestudiosandamateurprojectstudiosoftenusepatchbays,becauseitgroupsalloftheinputjacksintoonelocation.Thismeansthatdevicesmountedinracksorkeyboardinstrumentscanbeconnectedwithouthavingtohuntaroundbehindtherackorinstrumentwithaflashlightfortherightjack.Usingapatchbayalsosaveswearandtearontheinputjacksofstudiogearandinstruments,becausealloftheconnectionsaremadewiththepatchbay. Patchpanelsarebeingusedmoreprevalentlyindomesticinstallations,owingtothepopularityof"StructuredWiring"installs.[1]Theyarealsofoundinhomecinemainstallationsmoreandmore.[citationneeded] Normalization[edit] Apatchbayforpatchingcircuitstostagelightinginstruments Rearviewofapatchpanelwithdual-coaxialpatchjacks[2] Itisconventionaltohavethetoprowofjackswiredatthereartooutputsandbottomrowofjackswiredtoinputs.[citationneeded]Patchbaysmaybehalf-normal(usuallybottom)orfull-normal,"normal"indicatingthatthetopandbottomjacksareconnectedinternally.Whenapatchbayhasbottomhalf-normalwiring,thenwithnopatchcordinsertedintoeitherjack,thetopjackisinternallylinkedtothebottomjackviabreakcontactsonthebottomjack;insertingapatchcordintothetopjackwilltakeafeedoffthatjackwhileretainingtheinternallinkbetweenthetwojacks;insertingapatchcordintothebottomjackwillbreaktheinternallinkandreplacethesignalfeedfromthetopjackwiththesignalcarriedonthepatchcord.Withtophalf-normalwiring,thesamehappensbutviceversa.Ifapatchbayiswiredtofull-normal,thenitincludesbreakcontactsinbothrowsofjacks. Switches[edit] Dedicatedswitchingequipmentcanbeanalternativetopatchbaysinsomeapplications.Switchescanmakeroutingaseasyaspushingabutton,andcanprovideotherbenefitsoverpatchbays,includingroutingasignaltoanynumberofdestinationssimultaneously.However,switchingequipmentthatcanemulatethecapabilitiesofagivenpatchbayismuchmoreexpensive.Forexample,anS-Videomatrixroutingswitcherwiththesamecapability(8×8)asa16-pointS-Videopatchpanel(8patchcablesconnects8inputsand8outputs)maycosttentimesmore,thoughitwouldprobablyhavemorecapabilities. Likepatchpanels,switchingequipmentfornearlyanytypeofsignalisavailable,includinganaloganddigitalvideoandaudio,aswellasRF(cableTV),MIDI,telephone,networkingandelectrical.Therearevarioustypesofswitchesforaudioandvideo,fromsimpleselectorswitchestosophisticatedproductionswitchers.However,emulatingorexceedingthecapabilitiesofaudioorvideopatchpanelsrequiresspecializeddeviceslikecrossbarswitches. Switchingequipmentmaybeelectronic,mechanical,orelectro-mechanical.Someswitcherhardwarecanbecontrolledviacomputerorotherexternaldevices.Somehaveautomatedorpre-programmedoperationalcapabilities.Therearealsosoftwareswitcherapplicationsusedtoroutesignalsandcontroldatawithina"puredigital"computerenvironment. Seealso[edit] Cablemanagement Distributionframe Wiringcloset References[edit] ^"HowtoUseaPatchbay".LedgerNote.RetrievedApril22,2017. ^TrompeterProductCatelog(PDF).Trompeter.p. 51.Retrieved24January2015. Thisarticleincorporates publicdomainmaterialfromtheGeneralServicesAdministrationdocument:"FederalStandard1037C".(insupportofMIL-STD-188) Externallinks[edit] MediarelatedtoPatchpanelsatWikimediaCommons Retrievedfrom"https://en.wikipedia.org/w/index.php?title=Patch_panel&oldid=1092469322" Categories:TelephonyequipmentAudioengineeringBroadcastengineeringElectricalsignalconnectorsNetworkinghardwareHiddencategories:ArticleswithshortdescriptionShortdescriptionmatchesWikidataArticlesneedingadditionalreferencesfromApril2012AllarticlesneedingadditionalreferencesAllarticleswithunsourcedstatementsArticleswithunsourcedstatementsfromDecember2016ArticleswithunsourcedstatementsfromSeptember2016WikipediaarticlesincorporatingtextfromtheFederalStandard1037CWikipediaarticlesincorporatingtextfromMIL-STD-188CommonscategorylinkisonWikidata Navigationmenu Personaltools NotloggedinTalkContributionsCreateaccountLogin Namespaces ArticleTalk English Views ReadEditViewhistory More Search Navigation MainpageContentsCurrenteventsRandomarticleAboutWikipediaContactusDonate Contribute HelpLearntoeditCommunityportalRecentchangesUploadfile Tools WhatlinkshereRelatedchangesUploadfileSpecialpagesPermanentlinkPageinformationCitethispageWikidataitem Print/export DownloadasPDFPrintableversion Inotherprojects WikimediaCommons Languages العربيةCatalàDeutschEspañolFrançaisItalianoBahasaMelayuNederlands日本語PolskiPortuguêsRomânăРусскийСрпски/srpskiSvenskaTürkçeУкраїнська Editlinks
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