I-An i-terminal yomugqa we-optical (OLT) Iwumthombo oyinhloko wenethiwekhi ye-optical engasebenzi futhi isetshenziselwa ukuguqula, ukuxhumanisa, nokuphatha izimpawu ze-optical phakathi komhlinzeki wesevisi nabasebenzisi. I-OLT isebenza njengenhliziyo yenethiwekhi, iqondisa ithrafikhi futhi iqinisekisa ukulethwa okungenamthungo kwezinsizakalo ze-inthanethi, ithelevishini, kanye ne-telephony ngokuxhumeka kwe-fiber optic ezindaweni zokuhlala kanye namabhizinisi. Lawa mayunithi ahlala ehhovisi eliphakathi lomhlinzeki wesevisi futhi axhuma kubabhalisile abaningi nge-splitters kanye ne-ONU. Ngama-OLT, abahlinzeki bangaletha i-inthanethi esheshayo emiphakathini yonke enokuxhumana okuthembekile nokusheshayo. Emhlabeni wonke, amadolobha athembele kuma-OLT ukuqinisa izidingo ezikhulayo zezinsizakalo zedijithali. Kulabo abanesifiso sokwazi ukuthi i-inthanethi yabo ye-fiber isebenza kanjani, ukwazi ukuthi i-OLT iyini kucacisa okuningi mayelana nokwakheka kwenethiwekhi.

Iyini i-Optical Line Terminal?

I-Optical Line Terminal (OLT) isebenza njenge- idivayisi yehadiwe ye-endpoint yenethiwekhi ye-fiber optic, exhumanisa inethiwekhi yomgogodla yomhlinzeki wesevisi ye-inthanethi nababhalisile abaningi ngama-ONT noma ama-ONU amaningi. Njengoba inamandla okwamukela ubuchwepheshe obuhlukahlukene be-PON njenge-GPON, i-EPON, kanye ne-XGS-PON, ama-OLT aqinisekisa ukusebenza kahle. ukuphathwa kwenethiwekhi kanye nokuzivumelanisa nezimo kwezinsizakalo ezahlukahlukene ze-fiber broadband, ukulawula ithrafikhi yedatha ukuze kunikezwe abasebenzisi ukuxhumana okuqinile, okusheshayo, nokuphephile.

• Ama-OLT adlulisela idatha engezansi kuma-ONT noma ama-ONU futhi athola idatha engenhla evela kuwo.

• Zibonisa izimpawu ze-multiplex kanye ne-demultiplex emigqeni ye-fiber ehlanganyelwe.

• Ngayinye Imbobo ye-OLT ingaxhuma kuma-ONT noma ama-ONU amaningi nge-splitter. Izilinganiso ezivamile zokuhlukanisa ziyi-1 kuya ku-64 noma i-1 kuya ku-128.

• Isivinini se-uplink ne-downlink siyahlukahluka ngokwemodeli, kusukela ku-1.25 Gbps kuya ku-10 Gbps noma ngaphezulu.

• Ama-OLT asekela izinhlobo ezahlukene zezinsizakalo, okuhlanganisa i-inthanethi, i-VoIP, i-multimedia, nokuningi.

• Njengoba zenzelwe ukukhuliswa, ama-OLT avumela abahlinzeki ukuthi bandise futhi bethule izinsizakalo ezintsha njengoba isidingo sikhula.

1. Umongo Wenethiwekhi

I-OLT iyinhliziyo yanoma iyiphi i-PON, esebenza njengendawo ephakathi ehlanganisa konke ndawonye. Iqinisekisa ukuthi amasignali ageleza kalula esuka kunethiwekhi yomgogodla eya ku-ONT noma i-ONU ngayinye exhunywe ezindlini nasemahhovisi. I-OLT inesibopho sokugcina yonke inethiwekhi izinzile ngokuphatha ukugeleza kwedatha, ukuvimbela izithiyo nokungasebenzi kahle kwayo.

I-OLT ngayinye inamabhodi namachweba amaningi, okuvumela ukuthi ikwazi ukwamukela amakhulu noma ngisho nezinkulungwane zababhalisile ngesikhathi esisodwa. Ngale ndlela, igcina inethiwekhi iqinile futhi ivumelana nezimo kungakhathaliseki inani lababhalisile noma ukusetshenziswa kwedatha.

2. Umqondisi Wezomgwaqo

Ama-OLT angamaphoyisa omgwaqo, anquma ukuthi angahlukanisa kanjani i-bandwidth kanye nedatha yomzila. Adlulisela phansi kubasebenzisi bese ebuyela emuva phezulu kunethiwekhi eyinhloko. Le ndlela, eyaziwa ngokuthi i-multiplexing, ivumela ababhalisile abaningi ukuthi basebenzise i-fiber efanayo ngaphandle kokuminyana.

Bangakwazi ukubeka phambili ithrafikhi ngohlobo, isibonelo, ukuqinisekisa ukuthi izingcingo zezwi noma ividiyo zithola ukubaluleka uma kudingeka. Lokhu kwenza izingcingo zibe lula futhi amavidiyo abe lula, ngisho nasethrafikhini. Bangamaqhawe angadumile avimbela i-inthanethi yakho ukuthi ingangeni.

3. Isango Lenkonzo

Njengesango lesevisi, i-OLT ingumnyango ovulekela kakhulu izinsizakalo ze-inthanethi, ucingo, kanye nevidiyo eziya emakhaya nasemabhizinisini. Ixhuma kunethiwekhi eyinhloko yomhlinzeki, okwenza abasebenzisi bakwazi ukufinyelela kalula okuqukethwe kwe-inthanethi okusheshayo, i-VoIP, kanye nokusakaza. Idizayini ye-OLT ivumela abahlinzeki, kusukela kwabancane kuya kwabakhulu, ukuthi banikeze ukuxhumana okuthembekile okusheshayo kumuntu ngamunye obhalisile.

Isibonelo, ama-OLT amaningi angathuthukiswa kakhulu, ngakho-ke izinkampani zenethiwekhi zingaxhuma izinsizakalo ezintsha njengoba zithuthuka. Kusukela ezinkampanini ezincane ezisafufusa kuya ezinhlanganweni zenethiwekhi zikazwelonke, i-OLT yiyona ebasiza ukuthi bahlale bephambili kunesidingo esikhulu se-broadband nezinhlelo zokusebenza ezintsha.

4. Isikhungo Sokuphatha

I-OLT iyisikhungo sokuphathwa kwenethiwekhi. Ukusuka lapha, opharetha bangaqapha, bashintshe, futhi balungise inethiwekhi ngesikhathi sangempela. I-OLT inikeza ukulawula okuphelele kwe-ONT noma i-ONU ngayinye, okukuvumela ukuthi ubone kalula izinkinga futhi uzixazulule ngaphambi kokuba ziqhubeke.

Isekela ukuqapha nokuguqulwa okukude, ngakho ochwepheshe akudingeki baqalise ukusebenza njalo uma kukhona inkinga. Ukucushwa okunjalo okuphakathi kusindisa imijikelezo futhi kuvimbela ukungasebenzi okukhulu. I-OLT ehlakaniphile isho ukuthi impilo yenethiwekhi iqashwe eduze futhi ukukhulisa inethiwekhi akuyona inkinga enkulu.

Indlela i-OLT esebenza ngayo

I-OLT imele i-Optical Line Terminal, okuyidivayisi ephakathi kunethiwekhi ye-FTTH. Ihlala ehhovisi eliphakathi lomhlinzeki wesevisi futhi ixhumanisa nge-optical fiber kuma-endpoints amaningi abasebenzisi, abizwa ngokuthi ama-ONT noma ama-ONU. Indima eyinhloko ye-OLT ukuguqula, ukuhlanganisa nokudlulisa idatha kusukela emgogodleni iye emndenini ngamunye bese yamukela idatha. Lokhu kudinga imishini ehlakaniphile kanye nokuhlela, kanye nezinqubo eziqondile zokuxhumana kwedivayisi.

I-OLT ejwayelekile isebenza ngalezi zinyathelo:

1. Ibhodi lokulawula, noma iswishi, liqondisa futhi lilawule idatha ukuze lixhume i-OLT ku-inthanethi ebanzi ngamakhadi e-uplink, ngokuvamile anezixhumi zejubane eliphezulu njenge-10G noma i-100G Ethernet.

2. I-transceiver iguqula izimpawu zedijithali zibe ukukhanya, ngokuvamile ku-1490nm ukuze kudluliselwe idatha. Lokhu kukhanya kudlula ngefayibha kuye ku-splitter engasebenzi.

3. I-OLT Indlela I-OLT Esebenza Ngayo I-splitter ihlukanisa ukukhanya kufikela kuma-ONU angu-64 noma angu-128 kuye ngesilinganiso sokuhlukanisa kanye nokucushwa.

4. Ama-ONU ezindaweni zokuhlala athola isignali futhi adlulisele idatha yawo ku-wavelength ehlukile yokukhanya, njenge-1310nm, ukuvimbela ukuphazamiseka.

5. I-OLT iqoqa idatha evela kuwo wonke ama-ONU, iyihlele bese iyithumela ku-inthanethi.

Izinqubo ezicacile ezifana ne-OMCI zenza kube lula ukuthi ama-OLT nama-ONU avela kumikhiqizo ehlukene asebenzisane. I-OLT ilawula kokubili ezansi kanye ithrafikhi ephezulu, ngakho bonke abasebenzisi bathola isevisi esezingeni eliphezulu.

Ithrafikhi Ephansi

Ithrafikhi engezansi, okuyikho konke ukumiswa komugqa we-optical (OLT) okudlulisela kubabhalisile, kufaka phakathi imisebenzi efana nokusakaza ividiyo, ukuphequlula iwebhu, noma ukulanda okukhulu. I-OLT ingathumela iziteshi ezahlukahlukene ngasikhathi sinye, ibhekane ngempumelelo nemizi eminingi ngesikhathi. Izinsizakalo zevidiyo, isibonelo, zidinga ukuthuthwa okusheshayo nokuqhubekayo, ngakho-ke izici ze-OLT zibeka phambili izidingo zomsebenzisi ngamunye ngokufanele ngokubambezeleka okuncane. Ukuthi i-OLT iphatha kahle kangakanani le thrafikhi kunquma ukuthi ukulanda kwakho kushesha kangakanani nokuthi ukusakaza kwakho kungaba bushelelezi kangakanani.

Ithrafikhi Ephezulu

Ithrafikhi ekhuphukayo isuka kuyunithi yenethiwekhi ye-optical yomsebenzisi ngamunye (i-ONU) iye ekuphelisweni komugqa we-optical (i-OLT). I-ONU ngayinye isebenzisa ubude bayo be-wavelength, iqinisekisa ukuthi akukho okuxubile, okuvumela i-OLT ukuthi ihlukanise umsebenzisi ngamunye ngempumelelo. Zonke lezi zimpawu kumele zihlungwe yi-OLT ukuze kuvinjelwe ukungqubuzana, okubalulekile ezinhlelweni zokusebenza ze-bandwidth njenge-VoIP kanye nezingcingo zevidiyo ezidinga ukubambezeleka okuphansiI-OLT ayiqinisekisi ukuthi izingcingo zishesha futhi zishesha, iqinisekisa ukuthi izingcingo zishesha futhi zishesha.

Ukwabiwa Komkhawulokudonsa

I-OLT, noma ukuphela komugqa we-optical, ihlukanisa i-bandwidth ngokwezicelo zomsebenzisi. Uma ikhaya elilodwa lisakaza i-movie kuyilapho elinye lihlola i-imeyili, i-OLT ihlukanisa isivinini ukuqinisekisa ukufinyelela okulungile kubo bonke abasebenzisi. Amadivayisi amasha e-OLT angalungisa ngokuguquguqukayo lokhu kuhlukaniswa ngokushesha, avumelane nesidingo esiphezulu futhi alondoloze uhlelo lokuphatha inethiwekhi olusebenzayo. Leli khono livumela inethiwekhi ye-optical ukuthi ihlale ingaguquguquki futhi ishesha, iqinisekisa ukuthi akekho osala elindile ngisho noma izidingo zishintsha.

Amazinga nezinhlobo ze-OLT

Ama-terminal e-Optical line (OLTs) anamathela ezintweni ezahlukahlukene amazinga e-pon ezinquma ukusebenza kwenethiwekhi, amakhono esivinini, kanye nokuhambisana neminye imishini. Izindinganiso eziyinhloko zifaka phakathi i-GPON, i-EPON, i-XG-PON, i-XGS-PON, kanye ne-Combo PON, eziphatha isivinini sedatha, izinhlobo zokuxhumeka, kanye nokukhula ngezindlela ezihlukile. Lapho ukhetha idivayisi ye-OLT efanele, kubalulekile ukucabangela inani labasebenzisi okufanele basekelwe, isivinini esifanele kakhulu, kanye nezinga lokukhula okudingekayo kwingqalasizinda ye-fiber broadband. Ukuhambisana nezinye izinto zenethiwekhi kubalulekile, njengoba izindinganiso zazisa okusebenza ndawonye futhi ziqinisekisa ukusebenza kahle.

• I-GPON: I-2.5 Gbps yehle kanye ne-1.25 Gbps yehle, ukusetshenziswa komhlaba wonke jikelele

• I-EPON: 1 Gbps yehlisa/yenyusa, ilula futhi ingabizi kakhulu

• I-XG-PON inikeza isivinini sokulanda esingu-10 Gbps kanye nesivinini sokulayisha esingu-2.5 Gbps, okwenza kube yisivinini esikhulu sezidingo ezikhulayo.

• I-XGS-PON inikeza isivinini sokulanda esingu-10 Gbps kanye nesivinini sokulayisha esingu-10 Gbps, okwenza kube ngcono kakhulu kubantu abaningi abasebenzisa i-inthanethi.

• I-Combo PON isekela kokubili i-GPON kanye ne-XG(S)-PON futhi ivumela ukuthuthukiswa okulula.

Amazinga e-PON

Lezi zinqubo zichaza amazinga Ukuxhumana kwe-OLT kumanethiwekhi e-fiber. Lezi zindinganiso zichaza indlela ama-OLT axhumana ngayo nababhalisile abaningi ngentambo eyodwa ye-fiber, okwenza abathwali bakwazi ukufinyelela ezindaweni zokuhlala, amahhovisi, noma ngisho nasezindaweni ezinkulu zasekhempasini. Amandla e-GPON izinga layo eliphezulu lokwehla elingu-2.5 Gbps kanye nezinga eliphezulu elingu-1.25 Gbps, okwenze kwaba ukukhetha okuthandwayo kokufakwa okusha okuningi. I-EPON, okwamanje, inikeza isivinini esilinganayo esingu-1 Gbps futhi inedumela lokufakwa okulula kanye nezindleko eziphansi, okwenza kube kuhle lapho isabelomali sinqunyelwe noma isidingo sihambisana kodwa singagcini. Izindinganiso nezinhlobo ze-OLT zilungisa i-XG-PON kanye ne-XGS-PON ziqhubekela phambili ngesivinini esingu-10 Gbps, esifanelekile ezindaweni zasemadolobheni noma kwezinye izindawo lapho abantu abaningi bedinga khona isivinini ngesikhathi esifanayo. I-Combo PON yengeza ungqimba lokuguquguquka, okuvumela i-OLT eyodwa ukuthi isekele amazinga akudala kanye namasha, ngakho-ke ukuthuthukiswa akudingi ukuklebhula okuphelele nokufakwa esikhundleni.

Izindinganiso nezinhlobo ze-OLT Zivumela opharetha ukuthi bafake ababhalisile abengeziwe noma bandise amanani ngaphandle kokuthuthukisa yonke inethiwekhi. Zivumela amadivayisi avela kubakhiqizi abahlukene ukuthi asebenzisane, uma nje bonke abantu belandela izindinganiso.

Ukucushwa Kwehadiwe

Ama-OLT, noma amadivayisi okunqamula umugqa obonakalayo, eza ngezindlela ezahlukene ezenzelwe izidingo ezahlukene zokuxhumana. Ama-OLT ohlobo lwebhokisi aqinile kakhulu futhi afanele imiphakathi emincane noma izikhala eziqinile, kuyilapho ama-OLT ohlobo lwe-chassis amakhulu futhi aklanyelwe ukwamukela amakhadi engeziwe namamojula, okwenza afaneleke kumanethiwekhi amakhulu e-fiber broadband. Eminye imishini ye-OLT isebenzisa ugesi owodwa ukuze kube lula, kanti eminye isebenzisa izinhlelo zamandla ezimbili ukuze isekele uma kwenzeka ukwehluleka.

Ama-OLT e-Modular anikeza ukuguquguquka kokuqala kancane nangokulinganiselwe ngokwezidingo zenethiwekhi. Njengoba enekhono lokwengeza amamojula amasha kubasebenzisi abengeziwe noma izinhlelo zokusebenza ze-bandwidth ezandisiwe, izindleko zokuqala zihlala ziphansi ngenkathi zivumela ukwanda kwesikhathi esizayo. Lokhu kuvumelana nezimo kubalulekile kubahlinzeki bezinsizakalo abafuna ukwenza ngcono ingqalasizinda yabo.

Ukukhetha amatheminali enethiwekhi afanele kuncike endaweni yokufaka. Izindawo zasemakhaya zingadinga kuphela i-OLT efana nebhokisi, kodwa izilungiselelo zasemadolobheni zivame ukudinga izinhlobo ze-chassis ezinama-pon port amaningi kanye nezinketho zamandla okusekelayo. Lezi zinketho zokuklama zithinta kakhulu isikhathi sokusebenza, isivinini, kanye nokulula kokulungiswa noma ukunwetshwa kwenethiwekhi.

Indima Ebalulekile Ye-OLT

I-terminal yomugqa we-optical, noma idivayisi ye-OLT, iyinhliziyo eshayayo yenethiwekhi ye-fiber optic. Ixhumanisa umgogodla we-inthanethi oshesha kakhulu emakhaya omakhelwane, amabhizinisi, kanye namakhampasi, ukuqinisekisa ukuthi bonke bathola ingxenye yabo elinganayo ye-bandwidth. Ngaphandle kwe-OLT, cishe akunakwenzeka ukulawula ukuthi ubani othola isivinini noma ukugcina ukusebenza kwenethiwekhi okuhle kakhulu. I-OLT ihlukanisa, ihlele, futhi ivikele yonke idatha ezayo nehambayo, njengohlelo lokuphatha inethiwekhi olusebenzayo lolwazi. Nasi uhlu lokuhlola lwalokho okufakwa yi-OLT, kanye nemininingwane embalwa yephuzu ngalinye.

• Iqinisekisa ukuhleleka ngokuqapha ithrafikhi yedatha ukuze kungabikho umsebenzisi oyedwa ongavimba lonke uhlelo.

• Ihlukanisa i-bandwidth ngokwesidingo somsebenzisi, isebenzisa ubuchwepheshe obuhlakaniphile ukuze bonke bathole isivinini esilinganayo.

• Ivikela ulwazi futhi ivikele ubunikazi njengoba luhamba phezu kwefayibha.

• Iphatha ama-ONU amaningi (amabhokisi ohlangothini lomsebenzisi) kusuka ku-OLT eyodwa, okungenzeka ibe amakhulu.

• Ibeka phambili ithrafikhi, njengevidiyo ye-4K noma izingcingo, ukuze zihlale zicacile futhi zicacile.

• Isebenzisa i-PLOAM kanye ne-OMCI, ivumela ama-ONU avela kubathengisi abahlukahlukene ukuthi basebenzisane uma nje elandela izindinganiso ezifanayo.

• Indima ye-OLT

Ukunika amandla i-FTTH

Kulungile, i-FTTH yokuqala yi-Fiber to the Home, lapho izintambo ze-fiber optic ziya khona ngqo ekhaya. I-OLT yiyona eyenza lokhu kusebenze. Zivumela ama-ISP ukuthi alethe amasignali anamandla aphezulu, ahlanzekile futhi acwebezelayo ngqo emakhaya, edlula izingcezu zethusi ezihamba kancane.

Uma i-OLT isemsebenzini, isivinini siyashintshashintsha futhi isikhathi sokungasebenzi asivamile. Zibone ngeso lengqondo umphakathi lapho bonke abahlali besakaza khona ama-movie e-HD, bedlala ku-inthanethi, futhi bexhumana ngaphandle kokulibaziseka! Lokho kungenxa ye-OLT, ehlela yonke leyo thrafikhi, iyigcina isha futhi ijwayelekile. Isiza ekwandiseni amanethiwekhi e-fiber, ithole izindlu eziningi eziseduze njengoba isidingo sanda.

Amabhizinisi Anamandla

Amabhizinisi athembele kuma-OLT ukuze athole ukuxhumana okuqinile nokusheshayo. Umsebenzi obalulekile we-OLT ukuthi iphatha ukuvumelana okukhulu futhi igcine ubuqotho bedatha.

Njengoba izinkampani zikhula, ama-OLT akhula, ekhula ngemigqa eminingi kanye nomkhawulokudonsa owengeziwe. Lokhu kwenza izinkampani zikwazi ukukala ngabasebenzisi abengeziwe noma amasayithi kalula. I-fiber ethembekile yenza amaqembu asebenze kahle, inciphisa isikhathi sokungasebenzi, futhi igcine ukusebenza kahle.

Ukusekela Amadolobha Ahlakaniphile

Amadolobha ahlakaniphile asebenzisa ubuchwepheshe ukuze asebenze kahle futhi anikeze izakhamuzi izinsizakalo ezingcono. Ama-OLT asiza ngokuxhumanisa izinzwa ezihlakaniphile, amakhamera, neminye imishini kulo lonke idolobha. Uma kwenzeka i-OLT, wonke lawa madivayisi axhumana ngokushesha futhi ashintshana ngedatha ngokushesha.

Abaholi bedolobha basebenzisa lolu lwazi ukubhekana nezinkinga, ukonga amandla noma ukuthuthukisa ithrafikhi. Izinto ezifana ne-Wi-Fi yamahhala yepaki noma izaziso eziphuthumayo ezisheshayo zincike ekuxhumaneni okuthembekile kwe-OLT. Ama-OLT amahle enza amadolobha ahlakaniphile abe phezulu ezintweni futhi agcine abantu bephephile.

Amakhampasi Okuxhumanisa

Emakhampasi asekhempasini nasemakolishi, ama-OLT axhumanisa izakhiwo eziningi namalebhu. Abafundi nabafundisi badinga ukuxhumana okusheshayo nokuthembekile kwezifundo, ukusakaza, kanye nemisebenzi yezemfundo. Yi-OLT eyenza lokhu kwenzeke ngokuxhumanisa wonke amakamelo namadivayisi.

Emakhampasi amakhulu, i-OLT ixhumanisa izinkulungwane zabasebenzisi futhi ibenze bakwazi ukwabelana ngamafayela noma ukusebenzisana ngesikhathi sangempela. I-fiber ethembekile isheshisa imfundo futhi inika amandla othisha nabafundi ukuthi bakhiphe okuningi nsuku zonke.

Ukuvikela Inethiwekhi Ye-Fiber

Ukuphepha kumanethiwekhi e-fiber akukhona nje ukuvikela ihadiwe; kumayelana nokuqinisekisa ukuthi yonke idatha ihlala iyimfihlo futhi iphephile. Ama-terminal e-optical line (ama-OLT) aphakathi nendawo yalesi sakhiwo se-optic broadband. Awagcini nje ngokudlulisa ulwazi; anquma ukuthi ubani ongalufinyelela, ukuthi yini edluliselwayo, nokuthi igcinwa kanjani iphephile. Ama-OLT aphatha amanethiwekhi amakhulu e-optical lapho isignali eyodwa ihlukaniswa khona futhi isatshalaliswa kubasebenzisi abaningi, ngisho namakhulu, okusho ukuthi ukuphepha okuqinile akuyona nje into emnandi ukuba nayo; kuyinto edingekayo.

Ukuqinisekiswa

Ukuqinisekisa ukuqinisekisa ukuthi ubani ozama ukuxhuma. Ku-OLT, lokhu kuqedwa ngaphambi kokuba noma iyiphi idatha iqale ukugeleza. I-OLT iqinisekisa yonke i-ONT noma i-ONU, ngokuvamile ngokusesha inombolo ye-serial ehlukile, iphasiwedi, noma i-LOID. Uma wehluleka ukuhlolwa, akukho okufakiwe.

Lokhu kubalulekile ngoba ichweba elilodwa le-OLT lingaphatha izixhumanisi ezifinyelela kuma-ONU angu-128. Lidinga ukwazi ukuthi ubani obani, lihlukanise phakathi kwamadivayisi angempela nabazenzisi. Amaphasiwedi aqinile nama-ID ahlukile asiza ukugcina abahlaseli bephephile. Ama-OLT aphatha ukuqinisekiswa okuningi ngasikhathi sinye, okungaba nzima futhi kuqinisekisa ukuthi inethiwekhi iphephile kubo bonke.

Ukubethela

Ukubethela yikho okuvikela idatha yakho ngesikhathi sokuthutha. I-OLT ihlanganisa ithrafikhi phakathi kwayo ne-ONU ngayinye, ngakho-ke uma othile ethinta i-fiber, konke abakubonayo idatha engenangqondo. Lokhu kubaluleke kakhulu lapho i-passive splitter idlulisela isignali eyinhloko kubasebenzisi abaningi.

Amasu ahlukahlukene njenge-GPON Serial Number noma iphasiwedi ye-PLOAM aqinisekisa ukuthi idatha iyimfihlo. Ukubethela akugcini nje ngokuba yimfihlo; ukuqinisekisa ukuthi akekho ophazamisa idatha endleleni eya kuwe. Kumanethiwekhi akho aminyene ikakhulukazi ngolwazi oluyimfihlo, lokhu kuyaphula isivumelwano.

Ukulawula Ukufinyelela

Ukulawula ukufinyelela kuyikhono lokuchaza izinqubomgomo mayelana nokuthi ubani ongenzani kunethiwekhi. I-OLT yabela futhi iqinisekise izimvume ngempumelelo, iqinisekisa ukuthi abasebenzisi bangafinyelela idatha yabo kuphela. Basebenzisana nezilawuli ezahlukahlukene ukuze balondoloze ukulula nokuphepha.

Imishini egunyaziwe nje ithola ukufinyelela, futhi i-OLT iqinisekisa ukuthi akekho umsebenzisi oyedwa ongavimba noma antshontshe yonke inethiwekhi. Lokhu kubaluleke kakhulu ekusetshenzisweni okukhulu lapho ama-ONU avela kubathengisi abaningi kufanele asebenzisane ngaphandle kwezinkinga.

Ikusasa Lobuchwepheshe be-OLT

Imikhuba yethu ye-inthanethi ishintsha ngokushesha, njengoba iningi lethu lifuna isivinini esikhulu kanye nensizakalo engenamthungo yokusakaza kwe-4K kanye ne-5G. Ama-terminal e-Optical line (ama-OLT) abalulekile kumanethiwekhi e-fiber broadband, futhi ikusasa lawo lincike ekhonweni lawo lokuhambisana nezidingo zenethiwekhi ezivelayo. Amadivayisi ethu e-OLT kumele asheshe, ahlakaniphe, futhi aguquguquke ukuze aphathe lezi zinguquko ngempumelelo.

Izivinini Eziphakeme

Isidingo sokulanda nokulayisha okusheshayo amadrayivu Abathengisi be-OLT ukwandisa isivinini. Ngezindinganiso ezintsha ezifana ne-XG-PON kanye ne-XGS-PON, amadivayisi e-OLT angaphatha ukuxhumana kwe-multi-gigabit, aqinisekise ukuthi i-fiber ihambisana nezinhlelo zokusebenza ezidla kakhulu, kusukela ezingxoxweni zevidiyo kuya emidlalweni yamafu. Ngama-Combo PON OLTs akwazi ukusebenzisa amazinga amaningi ngesikhathi esisodwa, abahlinzeki bezinsizakalo ze-inthanethi bangabhekana nezidingo ezikhona nezesikhathi esizayo ngaphakathi kwedivayisi eyodwa. Ama-OLTs ashesha kakhulu ayimfihlo ye-broadband yesizukulwane esilandelayo yonke indawo.

Ubuningi Obukhuphukile

Ubuningi obukhulu busho ukuthi yonke idivayisi ye-OLT ikhonza amakhaya noma amahhovisi amaningi, okuyinto ebalulekile ezindaweni zasemadolobheni lapho isikhala nezinsizakusebenza zintuleka khona. Ama-OLT anamuhla, ahlonyiswe ngama-terminal enethiwekhi ye-optical athuthukisiwe, afaka amachweba amaningi ebhokisini elincane, okusho ukuthi ingxenye eyodwa yegiya manje ikhonza izindawo ezizungezile zonke. Lokhu kuthuthukisa izindleko kanye nayo yonke intambo yefayibha, okuqinisekisa ukuthi ama-OLT anabantu abaningi asekela ukuphathwa kwenethiwekhi okuphumelelayo kwamadolobha achumayo kanye namadolobha amakhulu.

Ukwenziwa Kwe-Virtual Kwenethiwekhi

Ukwenziwa kwe-inthanethi kube yi-virtualization kuvumela amadivayisi e-OLT ukuthi aziphathe njengamadivayisi amaningi ngesikhathi esisodwa. Nge-SDN kanye ne-NFV, opharetha benethiwekhi bangahlanganisa izinsizakalo kusofthiwe, hhayi ihadiwe, okuthuthukisa ukusebenza kahle kokusetshenziswa kwe-fiber broadband. Lokhu kuholela ekuthuthukisweni okusheshayo kanye nokusetshenziswa okungcono kwezinsiza. Manje sebenekhono lokulungisa amanethiwekhi ekhasimende ngalinye noma uhlelo lokusebenza, okuyinto enhle kakhulu emadolobheni ahlakaniphile kanye ne-IoT. Ama-OLT abonakalayo anikeza amaqembu enethiwekhi ukulawula okwengeziwe kanye nokuguquguquka.

Ukuhlanganiswa kwe-AI

I-AI kumadivayisi e-OLT inkulu kakhulu. I-AI ingathola izinkinga ngaphambi kokuba zidale umonakalo kumanethiwekhi optical. Ingasiza ekuxazululeni izinkinga nasekulungiseni amanethiwekhi e-fiber broadband ngaphandle kosizo lomuntu. Ukulungiswa okubikezelayo kusho ukungasebenzi kahle, okwenza ama-OLT anikwe amandla yi-AI abaluleke kakhulu ekuphathweni kwenethiwekhi okuphumelelayo njengoba izidingo zomsebenzisi zithuthuka.

Isiphetho

Ama-OLT ahlala enkabeni yamanethiwekhi e-fiber asheshayo. Aqondisa ithrafikhi, agcina ukuxhumana, futhi asekela ubuchwepheshe besikhathi esizayo. Kusukela ezindaweni zasemadolobheni kuya emiphakathini yasemakhaya, ama-OLT asenza sikwazi ukuhlala sixhumene, sikhiqiza, futhi sihilelekile. Intuthuko ngayinye inikeza isivinini esisheshayo kanye nokuxhumana okuthembekile. Isibonelo, ihhovisi elimatasa lingasebenzisa izingcingo zevidiyo ezingenamthungo, kuyilapho umndeni ungasakaza uchungechunge futhi uhlanganyele emidlalweni ngesikhathi esisodwa. Ama-OLT asiza ekuvikeleni amanethiwekhi ezitelekeni eziyingozi. Njengoba amathuluzi amasha eqala ukusebenza, ama-OLT azohlala esezingeni. Ukuze ahlale evukile, abantu bangafunda izindaba zobuchwepheshe, baxhumane nochwepheshe benethiwekhi, noma babukeze iziqondiso. Intuthuko yangempela yenziwa ngokwandisa ubude obungamasentimitha, ngakho qhubeka ubuza, ufundise, futhi ubambisane nabantu abanentshisekelo ngokuxhumana okuqinile nokuphephile.

imibuzo ejwayelekile ukubuzwa

Iyini i-Optical Line Terminal (OLT)?

I-terminal yomugqa we-optical (OLT) ilawula ukugeleza kwedatha okuqhubekayo kusuka kumhlinzeki wesevisi ye-inthanethi kuya kubasebenzisi abaningi bokugcina ngezinsizakalo ze-fiber optic.

Isebenza kanjani i-OLT kunethiwekhi yefayibha?

I-terminal yomugqa we-optical, noma idivayisi ye-OLT, ihumusha izimpawu zikagesi zibe yi-optical futhi ihambisa idatha yababhalisile ngokuphathwa kwenethiwekhi okuphumelelayo. Ithatha izimpawu ezibonakalayo kubasebenzisi bese iziguqula kabusha zibe izimpawu zikagesi ukuze zicutshungulwe.

Yiziphi izindinganiso eziyinhloko ze-OLTs?

Izindinganiso ezinkulu ze-OLT, kufaka phakathi i-GPON ne-EPON, zilawula indlela idatha edluliselwa ngayo ngamanethiwekhi optical.

Kungani i-OLT ibalulekile kumanethiwekhi e-fiber?

Idivayisi ye-OLT ibalulekile njengoba ilawula futhi isabalalisa ithrafikhi yedatha, iqinisekisa ukudluliswa kwedatha okusheshayo ngaphakathi kwamanethiwekhi e-fiber broadband ngenkathi igcina ukuzinza kwenethiwekhi.

I-OLT isiza kanjani ukuvikela inethiwekhi?

Idivayisi ye-OLT ingasekela ukubethela kanye nezilawuli zokufinyelela, okuyizici ezibalulekile ezivikela idatha yomsebenzisi kunethiwekhi ye-optical.

Yiziphi izinhlobo ze-OLT ezikhona?

Kukhona amadivayisi e-OLT azimele kanye nalawo azimele, kanye nama-OLT azimele anganwetshwa ngokungeza amakhadi, kuyilapho ama-OLT azimele ayizinhlelo zamayunithi aqinile ezenzelwe amanethiwekhi amancane e-optical.

Liyini ikusasa lobuchwepheshe be-OLT?

Uma sibheka phambili, amadivayisi e-OLT alungele ukushesha, ukuvikeleka kakhudlwana, nokuvumelana nezimo namanethiwekhi optical esizukulwane esilandelayo. Lokhu kusungula izinto ezintsha kuzothuthukisa ukulethwa kwedatha kanye nolwazi lomsebenzisi ku-fiber broadband.