I-OLT imele i-optical line terminal futhi iyithuluzi eliyinhloko ohlelweni lokuxhumana lwe-fiber-optic oludlulisela idatha futhi lwamukele idatha kusuka ezindaweni zomsebenzisi ezikude. Ama-OLT ahlala ekugcineni komhlinzeki wesevisi futhi asebenzisana nama-ONU amaningi noma ama-ONT emakhaya noma emabhizinisini. Lawa madivayisi asiza ekuphathweni kwethrafikhi, ekulawulweni komkhawulokudonsa, nasekugcineni idatha igeleza ngokushesha nangokushelela. Abathengi bahlangana nama-OLT kakhulu kumanethiwekhi e-fiber-to-the-home (FTTH), lapho i-inthanethi ethembeke kakhulu, eshesha kakhulu ibalulekile. Ama-OLT enza lula umsebenzi womhlinzeki wesevisi wokuphatha inani elikhulu labasebenzisi ngasikhathi sinye. Ukuze uqonde ukuthi ama-OLT asebenzisana kanjani nezinye izingxenye zenethiwekhi nokuthi kungani zibalulekile, isigaba esilandelayo sibheka ngokuningiliziwe imisebenzi yawo eyinhloko kanye nokucushwa.

Iyini i-Optical Line Terminal?

I-terminal yomugqa we-optical (OLT) iyisici esiyinhloko senethiwekhi ye-optical engasebenzi (i-PON) edlala indima ebalulekile ekuhlinzekeni ngezinsizakalo ze-fiber optic. Itholakala ehhovisi eliphakathi lenkampani, ixhumanisa inethiwekhi yenkampani nezinkulungwane zababhalisile ngokudlulisa ulwazi ngemigqa ye-fiber optic. I-OLT iguqula izimpawu zikagesi ezivela kumhlinzeki wesevisi ye-inthanethi zibe izimpawu ezibonakalayo ezingadluliselwa amabanga amade ngemigqa ye-fiber. Njengesici esibalulekile, isebenza njengoxhumano phakathi komgogodla we-inthanethi kanye nayo yonke indlu noma ibhizinisi elixhunywe nge-fiber, isekela ubuchwepheshe obuhlukahlukene be-PON, okuhlanganisa i-GPON ne-10G-PON ukuqinisekisa ukuphathwa kwenethiwekhi okuphumelelayo.

1. I-Network Core

Idivayisi ye-OLT, noma i-Optical Line Termination, ifana nobuchopho bamanethiwekhi e-PON. Ilawula ithrafikhi yedatha futhi igcina izinto zihlabelela, isebenza njenge-switchboard ehlakaniphile ethumela amasignali kubasebenzisi abaningi noma ngisho namakhulu ngokusebenzisa ama-optical splitter, ngezinye izikhathi ngezilinganiso zokuhlukanisa ezinkulu njengo-1 kuya ku-128. Ihlala ehhovisi eliphakathi, ixhumanisa umgogodla we-inthanethi kuzo zonke izixhumanisi zasendaweni, iqinisekisa ukuphathwa kwenethiwekhi okuphumelelayo kubo bonke abathintekayo.

Isebenza njengesikhungo esilawula lonke ulwazi olugeleza lungena luphuma, okuqinisekisa ukuthi umsebenzisi ngamunye uthola isabelo sakhe esifanele sezinhlelo zokusebenza ze-bandwidth ngaphandle kokulahlekelwa ikhwalithi. I-OLT igcina ukulingana kwenethiwekhi, iqapha ukubambezeleka, futhi ihlinzeka ngokusebenzisana phakathi kwezingxenye ezahlukahlukene, ihlanganisa ama-ONU, ama-ONT, kanye nama-terminal enethiwekhi ye-optical ukuze kugcinwe wonke umuntu exhunyiwe.

2. Umphathi Wethrafikhi

I-OLT isebenza njengomlawuli wethrafikhi yedatha, iqondisa ukugeleza ukuqinisekisa ukuthi akukho lutho oluminyana noma oluwayo. I-OLT ngayinye icubungula izinkulungwane zokugeleza kwethrafikhi ngasikhathi sinye, ihambisa amanani amakhulu edatha ngaphandle kokuminyana. Ihlukanisa i-bandwidth ngesidingo somsebenzisi, ivimbele noma yimuphi umsebenzisi oyedwa ukuthi asebenzise yonke inethiwekhi.

Ibeka phambili izinhlobo ezithile zethrafikhi, njengevidiyo ye-4K noma izingcingo, ukuqinisekisa ukuthi lezi zinsizakalo zihlala zishesha futhi zicacile. Ngesikhathi udlala i-flick noma uxhumana nomngane ocingweni, i-OLT isebenza ngemuva kwezigcawu ukugcina izinto zihamba kahle.

3. Isango Lenkonzo

I-OLT ayiyona nje uxhumano. Yisihluthulelo esivula umhlaba we-inthanethi, i-TV, nokuningi. Ithumela i-broadband, i-IPTV, ngisho nezintambo zocingo kumsebenzisi ngamunye wokugcina, ilawula ithrafikhi ukuze bonke bathole lokho abakudingayo. Ama-OLT axhumana nama-ONT atholakala ekhaya ngalinye noma ehhovisi, eqinisekisa ukuthi isevisi efanele ilethwa endaweni efanele.

Isekela izinhlobo eziningi zesevisi ngesikhathi esisodwa, ivumela abasebenzisi ukuthi babukele i-TV, baphequlule i-inthanethi, futhi benze izingcingo. I-OLT ihlala ifana, ngakho-ke ungathembela ekuxhumekeni kwakho uma kubalulekile.

4. Umyalo Ophakathi

I-OLT iyisikhulu esiyinhloko senethiwekhi. Iqinisekisa konke ukuxhumana futhi iqaphe impilo yenethiwekhi, ithole izinkinga kusenesikhathi. Ngokuxhumana nezinhlelo zokuphatha inethiwekhi, iyasiza ekulungiseni izinkinga ngokushesha nasekulondolozeni izinto.

Ukweqiwa kwakhiwe ngamandla okusekelayo namabhodi okulawula. Uma kukhona okuphukayo, inethiwekhi iyaphakama. Njengoba amanethiwekhi e-fiber ekhula futhi ethuthuka, ama-OLT afika ekulungele ukusekelwa kwesivinini nezinsizakalo zesizukulwane esilandelayo, okuqinisekisa ukuthi ukuthuthukiswa kuyawa ngaphandle kokuphazamiseka.

Indlela i-OLT esebenza ngayo

Enkabeni ye- inethiwekhi ye-fiber optic Isebenzisa idivayisi ye-Optical Line Terminal (OLT). Isebenza njengesikhungo esiphakathi, ixhumanisa abahlinzeki bezinsizakalo ze-inthanethi (ama-ISP) namakhulu emakhaya noma amahhovisi. I-OLT ihlukanisa isignali yefayibha eyinhloko bese iyithumela kubasebenzisi abaningi noma amakhulu nge-passive optical splitter. Ngesilinganiso sokuhlukaniswa kanye nokucushwa kwesistimu, le divayisi ingaxhuma kuma-Optical Network Units (ama-ONU) angu-64 noma angu-128/ama-Optical Network Terminals (ama-ONT) echwebeni ngalinye. Amakhadi e-Uplink ngaphakathi kwe-OLT axhumanisa inethiwekhi yendawo ne-inthanethi ebanzi, esebenzisa ukuxhumana okunamandla aphezulu njenge-10G noma i-100G Ethernet. Ibhodi lokulawula le-OLT liqinisekisa ukuphathwa kwenethiwekhi okusebenzayo, ukugcina idatha igeleza, ukuphatha umzila, nokuqinisekisa ukuthi konke ukuxhumana kuhlala kuphilile futhi kuphephile. Isekela ubuchwepheshe obuningi be-PON, kanye ne-GPON, i-EPON, ne-XGS-PON eziyizibonelo eziphawulekayo. Ama-OLT amaningi aphinde abe namandla okusekelayo noma amabhodi okulawula engeziwe ukugcina amanethiwekhi uma kwenzeka ehluleka.

Ukuguqulwa Kwesignali

Idivayisi ye-OLT ithola idatha njengezimpawu zikagesi futhi iyiguqulele ezimpawini zokukhanya ukuze idluliselwe ngenethiwekhi ye-fiber optic. Lokhu kuguqulwa kwenzeka ku-transceiver ye-OLT, edlulisela phansi ngobude be-wavelength ethile, ngokuvamile cishe ama-nanometer angu-1490. Ngokuguqula izimpawu zikagesi zibe ukukhanya, uhlelo luvimbela ukulibaziseka noma ukudideka kwedatha, okubalulekile ekwabiweni kwe-bandwidth ngesikhathi semisebenzi enzima ye-bandwidth njengezinsizakalo zevidiyo. Uma isignali ingalungiswanga kahle, inethiwekhi ingacindezela noma ilahlekelwe ulwazi. Ubuchwepheshe be-OLT bunciphisa ukulahleka kwesignali ngokusebenzisa ihadiwe ebekezelela amaphutha kanye nokutholwa kwamaphutha ukuqinisekisa ukuthi ubuqotho bedatha bufinyelela kumsebenzisi ngamunye wokugcina.

Ukusakazwa Okuphansi

Ukusakazwa okuya phansi kusho ukuthi idivayisi ye-OLT isakaza idatha kubasebenzisi ngokuhlukanisa isignali yokukhanya nge-splitter ye-optical engasebenzisi lutho, okuvumela ukuthi ifayibha eyodwa yabiwe ezindaweni eziningi zokuhlala noma zamahhovisi. Ubuchwepheshe be-OLT buqaphela iyunithi ngayinye yenethiwekhi ye-optical futhi bukhonza iziteshi eziningi ngesikhathi esisodwa, bulawula kahle ukwabiwa kwe-bandwidth ukuqinisekisa ukuthi abasebenzisi bamandla, njengokusakaza imindeni noma amahhovisi amatasa, bathola okwanele. i-inthanethi esheshayo. I-OLT iqapha ikhwalithi, iqinisekisa ukuthi bonke abasebenzisi bayayijabulela ividiyo engenazihibe, amakhasi ewebhu alayishwa ngokushesha, kanye nezingcingo ezicacile.

Ukuxhumanisa Okuphezulu

Idatha ephuma phezulu ibuya kubasebenzisi iye kudivayisi ye-OLT, lapho iyunithi ngayinye yenethiwekhi ye-optical (i-ONU) idlulisela khona ngobude be-wavelength ehlukile, ngokuvamile ecishe ibe yi-nanometers eziyi-1310, ukuvimbela ukuhlangana kwesignali. Uhlelo lwakho lwe-OLT luhlola lezi zimpawu, luqinisekisa ukuthi idatha yomsebenzisi ngamunye ifika endaweni efanele. Luvumelanisa isikhathi ukuze imiyalezo ingashayisani, lugcina inethiwekhi ye-fiber optic ikhala kahle, ngisho nabasebenzisi abaningi abaku-inthanethi ngesikhathi esisodwa. Izilawuli ze-OLT ziqapha amaphutha futhi ziwalungise ngokushesha, zigcina ukuphathwa kwenethiwekhi okusebenzayo futhi zisigcina sonke sixhumekile.

Ukwakhiwa kwe-OLT

Ukwakhiwa kwe-OLT, okuyingxenye ebalulekile yamanethiwekhi e-fiber optic, kuchaza indlela lawa manethiwekhi aklanywa futhi asebenza ngayo. Ashintsha ukuthuthwa kwezimpawu phakathi kwemishini yomhlinzeki wesevisi ye-inthanethi kanye nemigqa ye-fiber optic kuya ezindaweni zokuhlala nasemahhovisi, okuqinisekisa ukuphathwa kwenethiwekhi okuphumelelayo kanye nokukhula kwayo.

Isekelwe ku-Chassis

Ama-OLT asekelwe ku-chassis asebenza ngendlela efanayo ne-mainframe, anezikhala zamabhodi amaningi angamukela ama-port ahlukahlukene e-PON. Lawa ma-port axhumeka kuma-unit amaningi enethiwekhi ye-optical (ama-ONU), kanti ukucushwa kuvame ukufinyelela isilinganiso sokuhlukaniswa kwama-port esingu-1 kuya ku-64 noma ngisho no-1 kuya ku-128. Lo mklamo usekela ububanzi be- Izindinganiso ze-PON, kufaka phakathi i-GPON, i-XGS-PON, kanye ne-Combo PON, ezingasebenza ngesikhathi esisodwa ngaphakathi kweshasi elilodwa. Ukuguquguquka kuvumela ukungezwa noma ukushintshaniswa kwamabhodi njengoba izidingo zenethiwekhi zithuthuka noma kuvela ubuchwepheshe obusha. Ukugcinwa kulula, njengoba amabhodi ngamanye angashintshwa ngaphandle kokuvala yonke inethiwekhi ye-fiber optic.

Lawa ma-OLT afaneleka kakhulu ezindaweni ezinkulu lapho udinga ukuhlinzeka khona ababhalisile abasha noma izinsizakalo njalo. Amamodeli amaningi e-chassis anamabhodi okulawula aphindwe kabili kanye nokulawula ukuze kusetshenziswe kabusha. Lokhu kuholela ekunciphiseni isikhathi sokungasebenzi kumasayithi abalulekile njengezibhedlela noma amapaki ebhizinisi amakhulu. Aphatha imisebenzi eminingi: ukubethela ithrafikhi, ukusebenzisa i-PLOAM, nokuvumela ama-ONU ahlukene ukuthi asebenze ndawonye, ​​​​ngisho nakubakhi abahlukene uma besebenzisa i-OMCI.

Ibhokisi le-pizza

• Izinzuzo: * Izindleko eziphansi zokufakwa okuncane kuya kokuphakathi.

  • Kulula ukuyifaka nokusebenza.

  • Ithatha isikhala esincane se-rack.

  • Kuhle kakhulu ekusetshenzisweni okusheshayo.

• Imikhawulo: * Ayikhuli kakhulu kunezinhlelo ezisekelwe ku-chassis.

  • Amachweba ambalwa, ukuguquguquka okuncane.

  • Ukusekelwa kwezindinganiso ze-PON ezixubile okulinganiselwe.

Ama-OLT e-pizza-box afana nama-router asekhaya—ama-mini-monolith axhunyiwe futhi adlala ngokwawo. Alungele ukufakwa okuncane noma izindawo lapho ungalindele ukukhula okukhulu khona. Ukufakwa kuyashesha. Kodwa-ke, njengoba inethiwekhi yakho ye-fiber optic ikhula, ungase ukhule ngokushesha udlule lolu hlobo ngoba kunzima kakhulu ukwengeza ama-terminal enethiwekhi ye-optical eyengeziwe noma ukuthuthela ezingeni elisha le-PON.

Kwenziwe nge-inthanethi

Ama-OLT asebenza nge-Virtualized angumqondo wakamuva emkhakheni wenethiwekhi ye-fiber optic. Asebenza njengesofthiwe kwihadiwe yezimpahla esikhundleni semishini eyimfihlo, okuvumela opharetha ukuthi bashintshe izinsizakalo noma bandise umthamo ngaphandle kokushintsha imishini. Lokhu kuguquguquka kuzuzisa kakhulu amanethiwekhi anezidingo ezishintsha ngokushesha, njengemizi ehlakaniphile noma amakhampasi. Ngokusebenzisa amaseva angekho eshalofini, izindleko zehadiwe ziyancipha kakhulu.

Ngama-OLT abonakalayo, ukuthuthukiswa kuqhutshwa kakhulu yisofthiwe, okuvumela izici ezifana nokuphathwa okuzenzakalelayo okuholela ekunciphiseni izindleko zomsebenzi kanye namaphutha. Lobu buchwepheshe buyasiza ngokonga amandla kanye nokusebenza kahle kwesikhala, njengoba ama-OLT amaningi abonakalayo angasebenza ku-rack eyodwa yeseva, okuthuthukisa ingqalasizinda ye-broadband ye-optic iyonke.

Ukukhethwa kwesakhiwo se-OLT kuthinta ukusabalala, izindleko, kanye nobulula bokusebenza kwenethiwekhi. Ukukhetha efanele kuhilela ukucabangela izidingo zamanje, ukwanda okulindelekile, kanye nezinga lenkonzo ebalulekile edingekayo ukuze kuhlangatshezwane nezidingo zabahlinzeki bezinsizakalo abahlukahlukene.

Izindawo Ezivamile Zokusabalalisa

Ama-OLT afana nomphefumulo wamanethiwekhi e-fiber optic, adlulisela ulwazi kubasebenzisi abaningi, ngisho namakhulu, ngokusebenzisa imicu ye-optical. Ukufakwa kwedivayisi ye-OLT, indlela oyilungiselela ngayo, kanye nokuphathwa kwezintambo ze-optical konke kubalulekile ekusebenzeni kahle kwenethiwekhi. Izinqumo mayelana nokufakwa kwe-OLT zithonywa isimo sezulu sesifunda, isidingo samakhasimende, kanye nohlobo lwezinsizakalo ze-optical ezinikezwayo.

I-Broadband Yezindawo Zokuhlala

Ezindaweni ezizungezile, izinsizakalo ze-fiber optic ziyimfihlo yokuvula i-inthanethi yasekhaya, ngama-OLT ahambisa idatha ngemigqa ye-fiber ngqo emakhaya ngamanye. Lokhu kusethwa kwenza imindeni ikwazi ukubuka ama-movie, ukuya emakilasini angokoqobo, noma ukudlala imidlalo kanye nokubambezeleka okuncane. Ama-OLT amaningi asetshenziswa kulezi zifunda angohlobo lwe-chassis, okuvumela abahlinzeki bezinsizakalo ze-inthanethi ukuthi bafake izikhala ezengeziwe njengoba amakhaya amaningi efika ku-inthanethi. Lo mklamo ohambisana ne-plug usiza ukunwetshwa kwenethiwekhi ye-fiber optic ngaphandle kokuguqulwa okukhulu kwezakhiwo. Emiphakathini emincane, i-OLT yohlobo lwebhokisi kulula ukuyisebenzisa futhi ihambisana nenani eliphansi lababhalisile.

Ubuchwepheshe be-OLT abugcini nje ngesivinini; buyasiza nasekugcineni isignali eqinile ngisho nangesikhathi sokusebenza kakhulu. Ngokulawula ithrafikhi yedatha, ama-OLT aqinisekisa ukuthi imidlalo eku-inthanethi ayibambeki futhi amavidiyo awabambi. Ukucushwa kwe-OLT okuklanywe kahle kusho ukuthi njengoba abasebenzisi abaningi bengena ku-inthanethi, ayibeki phansi, igcina inethiwekhi ikhala futhi inciphisa ukuphuma.

Ukuxhumana Kwebhizinisi

Ezinkampanini, kungaphezu kokufinyelela kuwebhu; kuyi-OLT. Yilokho okuvumela amabhizinisi ukuthi aqhube izingqungquthela zevidiyo namalungu eqembu kuzo zonke izindawo zesikhathi, abambe izinhlelo zokusebenza zamafu, futhi enze izingcingo ze-VoIP ezicacile. Iningi labahlinzeki bezinsizakalo likhetha ama-OLT asebenzisana nama-ONU ezinkampani zangaphandle, okubavumela ukuthi bahlanganise abathengisi ukuze bavumelane nokuthunyelwa kwabo okuhlukile. Isivinini nokuzinza kubalulekile, njengoba ukuvala isikhashana kungasho amadili alahlekile noma izinsuku zokugcina eziphuthelwe.

Amabhizinisi athile adinga ukuthunyelwa okuklanyelwe wona, ukuphepha okwengeziwe, amandla okusekela, noma ngisho nama-OLT afihliwe emakhabetheni aseceleni komgwaqo. Izinsiza zamandla ezikabili kanye nokulawulwa kwesimo sezulu kuvamile, ikakhulukazi lapho ukuthembeka kuyadingeka khona. Ama-OLT angafakwa kumiklamo ye-FTTH noma ye-FTTB, kuye ngokuthi ifayibha iphelela esakhiweni noma ifinyelela edeskini ngalinye.

I-Backhaul yeselula

I-backhaul yeselula ixhumanisa imibhoshongo yeselula ne-inthanethi ebanzi, futhi ama-OLT anendima ebalulekile lapha. Acubungula ukuqhuma okukhulu kwedatha lapho sonke sikhipha amafoni ethu ngasikhathi sinye. Lawa ma-OLT kufanele enze idatha ihambe ngokushesha futhi agcine ukubambezeleka (ukubambezeleka) kuphansi ngangokunokwenzeka ukuze imiyalezo, izingcingo zezwi, kanye nezinhlelo zokusebenza kuzwakale ngokushesha.

Ukufakwa kwangaphandle kuvamile kulesi simo. Ama-OLT adinga amakesi angangenisi isimo sezulu, ukuphathwa kwefayibha okuqinile, kanye nokugeleza komoya okuhle kakhulu ukuze ahlale epholile. Ama-OLT anamandla aphezulu avumela amanethiwekhi eselula ukuthi akhule njengoba abasebenzisi banda futhi befisa idatha eyengeziwe. Ukuhambisana namanye ama-ONU kubalulekile ngoba amanethiwekhi eselula avame ukuxuba nokufanisa imishini evela kubathengisi abahlukahlukene.

Imithwalo Yemfanelo Ye-OLT Enganakwa

Ama-OLT, noma amadivayisi okuqeda umugqa we-optical, ayizingqondo ngemuva kwamanethiwekhi e-fiber optic asheshayo. Isikali sawo sangempela sivame ukunganakwa. Kunokuba nje kucindezelwe ama-bits, ubuchwepheshe be-OLT buphatha ukwabiwa kwe-bandwidth futhi buqinisekisa ukuphathwa kwenethiwekhi okuphumelelayo, okusiza ukugcina amanethiwekhi eshesha, ephephile, futhi ethembekile ezigidini emhlabeni jikelele.

• Ukuvumela ukuphindaphinda kwamanethiwekhi abalulekile anamabhodi okulawula aphindwe kabili.

• Guqula amasignali kagesi kusuka kumishini yomhlinzeki kuya kumasignali e-fiber optic.

• Ukusekela amazinga amaningi e-PON, njenge-GPON, EPON, XG(S)-PON, kanye ne-Combo PON.

• Cubungula ozimele abaphezulu bezindawo zokuphatha nokunakekela amaseli

• Bethela ithrafikhi yomsebenzisi ukuze ugcine idatha ye-ONT iyimfihlo

• Phatha izilinganiso zokuhlukanisa ezibonakalayo, uxhumanisa amashumi noma amakhulu ama-ONU echwebeni ngalinye.

• Sekela ama-ONU avela kubathengisi abaningi abasebenzisa i-OMCI ejwayelekile.

• Nikeza izinsizakalo ze-bandwidth ephezulu njengevidiyo ye-4K kanye ne-VoIP kalula.

Ukuphepha Kwenethiwekhi

Ukuphepha kubhakwe kuma-OLT kusukela phansi kuya phezulu. Babhala ngemfihlo ithrafikhi ukuze i-ONT eyodwa ingakwazi ukubona idatha yomunye nge-GPON Serial Number, iphasiwedi ye-PLOAM, noma i-LOID ID kanye nephasiwedi. Lokho kungaphezu komnyango okhiyiwe; uhlelo oluphelele lokuphepha. Ama-OLT aqapha ukuthi yimaphi amadivayisi ajoyina futhi aphatha ukuphepha, eqinisekisa ukuthi imishini egunyaziwe kuphela exhumana nohlelo.

Ukufinyelela kulawulwa kakhulu. Yonke idivayisi kufanele izibonakalise ngaphambi kokubamba iqhaza. I-OLT isebenzisa izinqubo ze-OMCI ukuqinisekisa ukuthi ama-ONU alandela imithetho, kungakhathaliseki ukuthi umhlinzeki ungubani. Ukubethela kubalulekile kuzo zonke izigaba. Idatha ingadlula inethiwekhi ngaphandle kwengozi yokuvuza noma ukuqapha. I-OLT ibona ithrafikhi ngesikhathi sangempela, ibona ukuziphatha okusolisayo ngokushesha. Lokhu kugcina izinsongo zingatholakali futhi kugcina isevisi iphezulu.

Ukusebenza Kahle Kagesi

Ama-OLT anamuhla asindisa amandla imini nobusuku. Izindlela zokulala kanye nokulinganisa amandla ashukumisayo kuvumela ihadiwe ukuthi ibuyisele emuva ukudonsa kwayo amandla lapho abasebenzisi abambalwa bexhunywe ku-inthanethi. Lokhu kulawula okuqinile konga imali kubahlinzeki futhi kunciphisa umthelela wekhabhoni.

Ukuphathwa kwamandla okuphumelelayo akukhona nje kuphela ukonga imali. Kwandisa impilo yamanethiwekhi futhi kwenza ukufinyelela kwefayibha kube inketho enobungani nemvelo. I-OLT ingashintsha amandla kuye ngenani lamadivayisi axhunyiwe, kanti ama-OLT angashintsha amandla. Abahlinzeki abaningi namuhla bazocabangela ngisho nezilinganiso zamandla lapho bekhetha ama-OLT amasha, beqaphela ukuthi wonke ama-watt agciniwe ayasiza.

Ukuxilongwa Okuthuthukisiwe

Yilapho-ke Ukuxilongwa kwe-OLT ngena. Zisebenza njengokuhlola impilo yenethiwekhi. Lawa mathuluzi aqapha ikhwalithi yesiginali, athole amaphutha, futhi azise amaqembu ngezinkinga ngaphambi kokuba abasebenzisi bazibone. Ukuskena ngesikhathi sangempela kuqinisekisa ukuthi izinkinga zixazululwa ngokushesha, kugcina isevisi ingenamthungo.

Lezi zinhlelo zingabiza ukuze zihlole amalogi noma imibiko enemininingwane, zinikeze opharetha benethiwekhi impendulo eqondile ngalokho okuhambayo kanye nalokho okudinga usizo. Ukuxilongwa okuqinile kuhumusha ukungasebenzi kahle kanye namakhasimende ajabule kakhulu.

Ukukhetha i-OLT Efanele

Ukukhetha i-OLT efanele kungaphezu kokukhetha ibhokisi elisheshayo esibukweni. Isinqumo sakho sinquma ukuthi inethiwekhi imelana kahle kangakanani nokwanda, izidingo ezishintshayo, kanye nobuchwepheshe obusha. Ama-OLT angumphefumulo wamanethiwekhi e-fiber anamuhla, ngakho ukukhetha okulungile kumayelana nokucabanga kusengaphambili nokugxila ezintweni ezithile ezibalulekile.

1. Ukukhuliswa: Khetha i-OLT enezimbobo ezanele kanye nomkhawulokudonsa we-bandwidth wenani lakho lamanje lababhalisile kanye nohlelo lwakho lokukhula lweminyaka emihlanu. Ama-OLT akhuliswayo angasekela abasebenzisi abaningi, amadivayisi amaningi, kanye nethrafikhi yedatha enamandla kakhulu. Khetha i-OLT efanele. Ngaphandle komthamo, funa imiklamo ye-chassis ye-modular. Lokhu kukuvumela ukuthi wengeze amakhadi omugqa noma ushintshe ihadiwe njengoba isidingo sikhuphuka, ngakho akudingeki ukuthi ufake esikhundleni se-OLT yonke. Lolu hlobo lokuhlela lugcina ukutshalwa kwezimali kwakho kwesikhathi esizayo kuphansi ngenkathi kuvumela inethiwekhi yakho ukuthi ithuthuke njengoba wethula abasebenzisi abasha noma uthumela izinhlelo zokusebenza ezisheshayo. Isibonelo, i-OLT ye-modular ingavumela umhlinzeki wesifunda omncane ukuthi aqale ngamakhasimende angamakhulu ambalwa kuphela bese ekhula aze afike ezinkulungwaneni ngaphandle kwesikhathi sokuphumula.

2. Ukusebenzisana: Ama-OLT kufanele asebenze kahle nama-ONU ahlukene kanye nokusethwa kwenethiwekhi. Uma inethiwekhi yakho izosebenzisa imishini evela kubathengisi abaningi, qinisekisa ukuhambisana. Ama-OLT e-Combo PON ayindlela enhle lapha. Asekela i-GPON kanye ne-XGS-PON, ngakho-ke ungahlanganisa isivinini futhi uthuthe abasebenzisi ngokushesha. Akubona opharetha kuphela abafuna ukusebenzisana okuhle; yilokho okufunwa abahlinzeki bemishini. Bheka ithebula ukuze uthole inkomba esheshayo:

| I-GPON | 2.5G/1.25G | Ama-GPON ONU |

| XG-PON | 10 Gbps kanye no-2.5 ​​Gbps | XG-PON ONUs

| I-XGS-PON | 10 Gbps / 10 Gbps | Ama-ONU e-XGS-PON/Ama-Combo | I-PON Ehlanganisiwe | I-GPON kanye ne-XGS-PON | I-GPON, i-XGS-PON, Ama-ONU Amahlanganisiwe |

3. Ukuphathwa: Ama-OLT adinga amathuluzi okuphatha alula naqinile. Funa amadeshibhodi ewebhu aqondakalayo noma ukufinyelela kwe-CLI okukuvumela ukuthi uhlale unolwazi ngamachweba, ubuyekeze amalogi, futhi ukhombe izinkinga ngokushesha. Yenza ngokuzenzakalelayo umsebenzi ojwayelekile, njengokufakwa kwamakhasimende, izibuyekezo ze-firmware, kanye nokusetha amaphrofayili esevisi amaphakheji ahlukahlukene e-bandwidth, ukuze unciphise isikhathi futhi unciphise amaphutha. Izici ezinhle zokuphatha zifaka phakathi izexwayiso zokuphuka kwefayibha noma ukwehluleka kwamandla, okusiza ukugcina isikhathi sokungasebenzi siphansi futhi amakhasimende ajabule. Kumanethiwekhi aminyene, ukuqondisa ikhebula ngobuhlakani kanye nokumaka okufanele kunciphisa amaphutha futhi kusheshiswe ukulungiswa.

Isiphetho

Ngamafuphi, i-OLT iyigazi lokuphila kwamanethiwekhi e-fiber. Ithulisa imini nobusuku, ithumela idatha yakho ngesivinini esikhulu futhi yenza impilo ibe lula kubaphequluli be-inthanethi, abasakaza kanye nabafonayo. Uhlangana nama-OLT ezindaweni zasemadolobheni, zasemadolobheni nasezindaweni ezikude. Ukusethwa ngakunye kudinga indlela ehlukile kancane, kusukela ekukhetheni imishini kuya ekulungisweni. Ukukhetha okufanayo okulungile kwenza amanethiwekhi asebenze futhi ahlale isikhathi eside. Kungakhathaliseki ukuthi asezindaweni ezimatasa zedolobha noma emizileni yasemakhaya ethule, i-OLT igcina umhlaba uxhumekile. Ufuna ukwandisa ukuhlelwa kwe-fiber yakho? Bamba ngokujulile izinketho zakho ze-OLT bese uthola ukuthi efanele ingaguqula kanjani yonke inethiwekhi yakho.

imibuzo ejwayelekile ukubuzwa

Iyini i-Optical Line Terminal (OLT)?

I-terminal yomugqa we-optical (OLT) iyisici esibalulekile esilawula ukugeleza kwedatha phakathi komhlinzeki wesevisi ye-inthanethi nabasebenzisi bokugcina kunethiwekhi ye-passive optical (PON).

Isebenza kanjani i-OLT kunethiwekhi yefayibha?

Idivayisi ye-OLT iguqula amasignali edatha avamile abe amasignali optical, iwathumele ngemigqa ye-fiber optic kubabhalisile abaningi, okwenza kube lula i-inthanethi esheshayo kanye nezinsizakalo ezahlukahlukene ze-optical.

Zisetshenziswa kuphi i-OLT?

Ama-ISP afaka amadivayisi e-OLT ngaphakathi kwamanethiwekhi awo e-fiber optic ukuze kube lula ukuthunyelwa kwe-broadband ezindaweni zasemadolobheni, zasemadolobheni, nezasemakhaya, ezivame ukutholakala ezikhungweni zedatha noma emahhovisi amakhulu.

Yimiphi imisebenzi eyinhloko ye-OLT?

Idivayisi ye-OLT ilawula ukwabiwa kwe-bandwidth, ilawula ubuqotho besiginali, futhi iqinisekisa ukuphepha kwenethiwekhi, isekela abasebenzisi abaningi kumanethiwekhi e-fiber athembekile.

Ngingayikhetha kanjani i-OLT efanele inethiwekhi yami?

Khetha idivayisi ye-OLT ngokusekelwe esikalini senethiwekhi, amaklayenti asekelwayo, ukusebenzisana nengqalasizinda yamanje, kanye nezinhlelo zokusebenza ze-bandwidth eziqondiwe zokuphathwa kwenethiwekhi okuphumelelayo.

Ingabe ama-OLT ayahambisana nazo zonke izinhlobo zamanethiwekhi optical?

Cha, amadivayisi e-OLT aklanyelwe amazinga athile enethiwekhi njenge-GPON noma i-EPON, ngakho-ke qinisekisa njalo ukuthi iyahambisana nobuchwepheshe benethiwekhi yakho ye-fiber optic ngaphambi kokuthenga!

Uyini umehluko phakathi kwe-OLT ne-ONU?

Idivayisi ye-OLT, ebalulekile ekuphathweni kwenethiwekhi okuphumelelayo, ihlala ekugcineni komhlinzeki wesevisi futhi ilawula inethiwekhi ye-optical, kuyilapho i-ONU, noma iyunithi yenethiwekhi ye-optical, itholakala endaweni yomsebenzisi ukuze ithole idatha.