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Fiber 101: Nalane le mabaka a Base-8 e ncha le li-connectors tsa khale tsa Base-12

Corning e tsebahala ka Glass ea Gorilla e tiileng eo batho ba bangata ba e sebelisang mehalang ea bona ea cellular.Empa k'hamphani e tšoana le thapo ea fiber optic.(Setšoantšo: Groman123, Flickr).
Ha ba hlalosa lihokelo tsa optical fiber, batho ba sebelisa mantsoe a fapaneng ho hlalosa sehokelo ho latela mofuta oa likhokahano le palo ea likhoele tsa optical tseo ba li sebelisang sehokelong.Base-2 ke eona e bonolo ho e utloisisa le ho e bona ka mahlo a kelello.Ka khokahano ea Base-2, sehokelo sa rona se ipapisitse le ho eketseha ha likhoele tse peli, joalo ka khokahano e tloaelehileng ea LC duplex kapa SC duplex.
Ka lehlakoreng le leng, likhokahano tsa Base-12 li sebelisa likhokahano tse thehiloeng ho li-increments tse 12, le likhokahano tse 12 tsa fiber optic, joalo ka MTP.Haufinyane tjena, tharollo ea khokahano ea Base-8 e se e qalile ho hlaha.Sistimi ea Base-8 e ntse e sebelisa likhokahano tsa MTP, empa sehokelo se hahiloe ka li-increments tsa likhoele tse robeli, ho kenyeletsoa lihokelo tse robeli tsa fiber MTP.Ka mohlala, tsamaisong ea Base-8, ha re na lithapo tse 12 tsa trunk optical.Re na le likhoele tse 8-core trunk optical, 16-core trunk optical cables, 24-core trunk optical cables le 32-core trunk optical cables;lithapo tsohle tsa kutu ea Base-8 li eketsoa ke nomoro ea 8. bongata.Phapang pakeng tsa Base-12 le Base-8 e bontšoa setšoantšong se ka tlase.
Khokahano ea Base-12 e qalile ho hlahisoa bohareng ba bo-1990.Modular, high-density, system cabling e hlophisitsoeng e ntlafalitsoeng ke IBM le Corning, e ka tsamaisoang ka potlako litsing tsa data ha e ntse e eketsa bongata ba boema-kepe sebakeng sa rack.Litsi tsa data li se li holile ho tloha ho likhokahanyo tse 'maloa feela ho isa litsing tsa data tse nang le likou tsa fiber tse likete kapa mashome a likete.Ho hlakile hore ho thaepa li-jumper tse peli tsa fiber k'honeng e 'ngoe le e' ngoe ea setsi sa data ho tla lebisa moferefereng o sa laoleheng le o sa tšepahaleng.Ka lebaka la hore TIA/EIA-568A fiber color coding standard e ipapisitse le lihlopha tse 12 tsa fiber, hoa utloahala hore likhokahano tse phahameng haholo li theiloe ho palo ea 12 increments.Ka hona, lihokelo tse 12 tsa fiber MTP le lihokelo tsa Base-12 li hlahile.
Lithapo tsa kutu tse thehiloeng holim'a likhoele tse 12-core optical, ho fihla ho 144-core optical fibers, haufinyane li tla fumaneha le ho romelloa lefatšeng ka bophara.Lithapo tsa trunk tsa Base-12 li atisa ho sebelisoa mokokotlong oa marang-rang, ho tloha sefapanong se seholo sa ho kopanya ho ea libakeng tsa kabo ea libaka, moo palo ea likhoele tsa optical e leng khōlō le ho feta ho hlokahala.E le ho hokela likoung tsa li-server, li-switch, le li-unit tsa polokelo, boholo ba likou tsa fiber li thehiloe holim'a likhoele tse peli tsa optical, kahoo Base-12 ho Base-2 li-module tsa lekala le li-wire harnesses li sebelisetsoa ho fana ka likou tse peli tsa fiber bakeng sa likou tse peli tsa fiber.Kaha palo ea 12 e ka aroloa ka nomoro ea 2, re ka fana ka sebopeho sa li-fiber tse peli habonolo ho thepa ea marang-rang le ho sebelisa ka botlalo fiber ea optical ea mokokotlo oa mokokotlo oa Base-12.
Ka lilemo tse ka bang 20, likhokahano tsa Base-12 li sebelitse indasteri ea setsi sa data hantle.Ha ho tsamaisoa ha lihokelo tsa 12-core MTP ho ntse ho hola ka mokhoa o pharalletseng ho theosa le lilemo, MTP e se e fetohile maemo a tloaelehileng ho marang-rang a mangata a mokokotlo oa lits'ebeletso tsa data.Leha ho le joalo, linako lia fetoha, 'me haufinyane tlhokahalo ea likhokahano tsa Base-8 e se e bonahala.Sena se bakoa ke mefuta ea li-transceivers tse sebelisoang ke li-switches, li-server, le bahlahisi ba polokelo ka thepa ea bona, hammoho le 'mapa oa litsela oa transceiver o tataisang indasteri ho tloha 10G Ethernet ho ea 40G le 100G, esita le ho fihlela ho 400G.
Theknoloji ea tšimo ea transceiver e fetoha ka potlako, empa mang kapa mang ea kentseng lipotoloho tsa 40G o tla tseba hore e 'ngoe ea mefuta e tloaelehileng ea li-transceivers ke transceiver ea QSFP, e sebelisang li-fiber tse robeli tsa optical.Re ka sebelisa likhokahano tsa Base-12 ho hokela likoung tsa QSFP.Ha e le hantle, batho ba bangata ba sebelisang lipotoloho tsa 40G kajeno ba na le likamano tsa Base-12 mokokotlong oa bona, empa esita le liithuti tsa motheo tsa lipalo li ka utloisisa mokhoa oa ho hokahanya likhoele tse 12 tsa optical.Ho kenya transceiver e hlokang likhoele tse robeli feela ho bolela hore ho na le likhoele tse 'nè tse sa sebelisoeng.Ho na le litharollo tse ling 'marakeng tse ka finyellang 100% ts'ebeliso e feletseng ea fiber ea mokokotlo ka mochine oa phetoho oa Base-12 ho ea Base-8 kapa ho kenya letsoho tabeng ena, empa sena se tla eketsa li-connectors tsa MTP le ho kenngoa ho eketsehileng ho lahleheloa ke khokahanyo.Bakeng sa mabaka a litšenyehelo le lihokelo tsa ts'ebetso, hangata sena ha se hantle, kahoo indasteri e entse qeto ea hore ho hlokahala tsela e betere ea ho ea pele.
Mokhoa o betere ke khokahano ea Base-8.Ha u bua le li-transceiver tse kholo, li-switch, server, le baetsi ba polokelo, ho hlakile hore hona joale, bokamoso bo haufi, le bokamoso ba nako e telele bo tletse mefuta ea li-transceiver e thehiloeng ho Base-2 kapa Base-8.Ka mantsoe a mang, bakeng sa phetiso ea Ethernet ho tloha 40G ho ea ho 400G, litsela tsohle li lebisa tharollong ea likhokahano tsa fiber tse peli le tse robeli.
Joalokaha ho bontšitsoe tafoleng, tseleng e eang ho 400G, ho tla ba le tharollo ea nako e khutšoanyane, e kang moloko oa pele le oa bobeli oa phetisetso e tšoanang ea OM3 / OM4, e hlahisoang e le tharollo ea Base-32 le Base-16.Leha ho le joalo, ho tloha lipuisanong tsa Corning le li-transceivers tse tsebahalang, li-switches, li-server le barekisi ba polokelo, ka lebaka la litšenyehelo tsa tlhahiso le ho rarahana ha sehokelo (mohlala, na u hlile u batla ho hlahisa fiber ea 32-core? Hokela marang-rang a hau? ).Ho lebeletsoe hore tharollo ea moloko oa boraro, tharollo ea Base-8, bakeng sa 400G e sebelisang OM3 / OM4 optical fiber parallel transmission, e tla fumana kamohelo e pharaletseng ea 'maraka.
Kaha palo ea 8 e arohanngoa ka ho feletseng ke nomoro ea 2, khokahano ea mokokotlo oa Base-8 e ka sebelisoa habonolo tsamaisong ea li-transceiver tse peli tsa fiber, joalo ka ho hokahanya ha Base-12.Leha ho le joalo, li-connections tsa Base-8 li fana ka phetoho e kholo ka ho fetisisa bakeng sa mefuta e tloaelehileng ea 40G, 100G, le 400G ea li-transceiver, hobane li-connections tsa Base-12 ha lia nepahala bakeng sa mekhoa ea 8-fiber transceiver.Ka mantsoe a bonolo, khokahano ea Base-8 e fana ka tharollo e shebileng pele ka ho fetesisa ho fihlela litlhoko tsa phetisetso ea 400G.
Che, e, le che.Ho itšetlehile ka hore na u hlalosa joang lentsoe "sebelisoa hammoho".Haeba u bolela ho kopanya likarolo ka ho toba le ho kenya kutu ea Base-8 ka har'a mojule oa 12-core, joale karabo ke "che" e hlakileng.Likarolo ha lia etsetsoa hore li hoketsoe ka kotloloho ho tse ling.Ka hona, moralo oa mekhoa ea Base-12 le Base-8 MTP e na le phapang ea pono, kahoo hoa khoneha ho qoba ho kopanya likarolo tsa Base-8 le Base-12 ka sehokelo se le seng.Lebaka le ka sehloohong la phapang ea pono ke lithapo tsa kutu tsa Base-12 hangata li na le likhokahano tsa MTP tse sa ngolisoang lipheletsong ka bobeli, 'me li hloka ho sebelisa li-modules tse hahelletsoeng.Leha ho le joalo, thapo ea kutu ea Base-8 e hlahang e entsoe ka likhokahanyo tsa phini lipheletsong ka bobeli.Ka hona, ho hokela thapo ea kutu ea Base-8 ka har'a mojule oa ho phatloha ha Base-12 ho ke ke ha hlola ho sebetsa, hobane ho bolela ho leka ho kopanya lihokelo tse peli tse hatisitsoeng hammoho.Lebaka la phetoho ena lenaneong la trunk cable fixation ke hore le fana ka monyetla oa ho etsa bonnete ba hore ho sa tsotellehe hore na li-jumpers tsa Base-8 MTP li sebelisoa kae kapa kae marang-rang, li ka lula li e-na le li-connectors tse sa tsitsitseng lipheletsong tse peli.Sena se nolofatsa ho tsamaisoa ha marang-rang le ho felisa tlhoko ea ho boloka litlhophiso tse ngata tsa li-pin bakeng sa li-jumpers tsa MTP.
Leha ho le joalo, haeba "ho sebelisoa hammoho" ho bolela ho ba le likamano tse peli tsa Base-8 le Base-12 setsing se le seng sa data, joale karabo ke "e", le hoja "e" ena e na le temoso.Ho lokela ho hlokomeloa hore lihokelo tsa Base-8 le Base-12 li tlameha ho bolokoa ka boikemelo, hobane joalo ka ha ho boletsoe pejana, likarolo tsa Base-8 le Base-12 ka botsona ha li fetohe, 'me likarolo tsa Base-8 le Base-12 li ke ke tsa fetoha. e kentsoeng sehokelong se le seng..Ka hona, tlhokomelo e lokela ho nkoa ha o laola lisebelisoa tsa lisebelisoa tsa 'mele oa setsi sa data ho netefatsa hore likarolo tsa Base-8 le Base-12 ha li kopane khokahanyong e le' ngoe.
Kaha palo ea 12 e kholo haholo ho feta palo ea 8, khokahano ea Base-12 e fana ka monyetla oa ho ba le fiber e phahameng ka ho fetisisa ho sehokelo ha se bapisoa le Base-8, kahoo palo e kholoanyane ea likhoele e ka kenngoa ka potlako ha ho sebelisoa Base. -12 khokahano .Leha ho le joalo, ha li-circuits tse ngata tsa 40G le 100G li sebelisoa ho sebelisa li-transceivers tsa 8-core fiber optic, melemo ea ho bapisa palo ea likhoele mokokotlong oa mokokotlo oa MTP le palo ea likhoele ho transceiver hangata e feta melemo ea bongata ba Base-12. kgokelo.Ho phaella moo, ha u sebelisa MTP ho LC duplex lekala la wiring harness ho hokahanya le karete ea switjha, mohala oa Base-8 o ka fetisetsoa habonolo ho likarete tsohle tse tloaelehileng tsa mohala oa li-port, hobane likarete tsohle tse tloaelehileng tsa line li na le likou tse ngata tse teng. e arohanngoa ke nomoro ea 4 (hobane Base-8 The wiring harness e fana ka likhokahano tse 'nè tsa LC duplex).Tabeng ea lithapo tsa Base-12 tse fanang ka likhokahano tse tšeletseng tsa LC duplex, lithapo tsena ha li bonolo ho ea ho likarete tsa line tse nang le likou tse 16 kapa 32, hobane linomoro tsa 16 le 32 ha li arohane ka botlalo ka nomoro ea 6. Tafole e latelang e hlalosa melemo e amanang le eona ha e bapisa likhokahano tsa Base-8 le Base-12 tse sebelisoang litsing tsa data.
Le hoja matla a fiber a sehokelo se seng le se seng a ke ke a hlokomolohuoa, ho batho ba bangata, qeto e tla bela ho fihlela lebelo leo ba fallelang ka lona ho 40G le 100G lebelo la marang-rang.Mang kapa mang ea nang le moralo oa nako e haufi oa ho falla ho amohela 40G kapa 100G setsing sa bona sa data o tla rua molemo haholo ka ho amohela lihokelo tsa Base-8 kajeno.
Lihokelo tsa Base-8 le Base-12 li tla tsoelapele ho sebelisoa litsing tsa data ka lilemo tse ngata tse tlang.Ka bobeli li na le melemo ea tsona, 'me ka bobeli li tla ba le sebaka setsing sa data, moo tšebeliso ea 40 le 100G phetisetso e leng eona ntho e ka sehloohong e etsang qeto.Haeba u sebelisa khokahano ea Base-12 setsing sa hau sa data kajeno 'me u khotsofetse ke eona, ho nepahetse ho tsoela pele ho sebelisa Base-12.Khokahano ea Base-8 ke khetho e 'ngoe feela ka har'a sesebelisoa sa moetsi oa marang-rang ho etsa bonnete ba hore setsi sa data se na le marang-rang a theko e boima ka ho fetisisa, a nang le bopaki ba nakong e tlang, le tsela ea ho falla e ka atolosoang habonolo ho fetisetsa 400G.
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Nako ea poso: Dec-01-2021