I-OLT imele i-optical line terminal kwaye sisixhobo esiphambili kwinkqubo yonxibelelwano lwe-fiber-optic ethumela idatha kwaye ifumane idatha evela kwiindawo zomsebenzisi ezikude. Ii-OLT zihlala ekupheleni komboneleli wenkonzo kwaye zinxibelelana nee-ONU ezininzi okanye ii-ONT emakhaya okanye kumashishini. Ezi zixhobo zinceda ekulawuleni ithrafikhi, ulawulo lwe-bandwidth, kunye nokugcina idatha ihamba ngokukhawuleza nangokulula. Abathengi badibana nee-OLT kakhulu kwiinethiwekhi ze-fiber-to-the-home (FTTH), apho i-intanethi ethembeke kakhulu, ekhawulezayo ibalulekile. Ii-OLT zenza lula umsebenzi womboneleli wenkonzo wokulawula inani elikhulu labasebenzisi ngaxeshanye. Ukuqonda indlela ii-OLT ezisebenzisana ngayo nezinye izinto zenethiwekhi kunye nesizathu sokuba zibalulekile, icandelo elilandelayo lijonga ngokweenkcukacha imisebenzi yazo ephambili kunye noqwalaselo.

Yintoni i-Optical Line Terminal?

Isiphelo somgca we-optical (OLT) yinxalenye ephambili yenethiwekhi ye-optical engasebenziyo (i-PON) edlala indima ebalulekileyo ekuboneleleni ngeenkonzo ze-fiber optic. Ikwi-ofisi ephakathi yenkampani, idibanisa inethiwekhi yenkampani namawaka ababhalisile ngokudlulisa ulwazi ngemigca ye-fiber optic. I-OLT iguqula imiqondiso yombane evela kumboneleli wenkonzo ye-intanethi ibe yimiqondiso ye-optical enokudluliselwa kumgama omde ngemigca ye-fiber. Njengenxalenye ebalulekileyo, isebenza njengonxibelelwano phakathi komqolo we-intanethi kunye nayo yonke indlu okanye ishishini eliqhagamshelwe kwi-fiber, ixhasa ubuchwepheshe obahlukeneyo be-PON, kubandakanya i-GPON kunye ne-10G-PON ukuqinisekisa ulawulo olusebenzayo lwenethiwekhi.

1. Isiseko seNethiwekhi

Isixhobo se-OLT, okanye i-Optical Line Termination, sifana nobuchopho beenethiwekhi ze-PON. Silawula ithrafikhi yedatha kwaye sigcina izinto zicula, sisebenza njenge-switchboard ekrelekrele ethumela imiqondiso kubasebenzisi abaninzi okanye kwanamakhulu ngokusebenzisa i-optical splitters, ngamanye amaxesha nge-split ratios enkulu njenge-1 ukuya kwi-128. Sihlala kwi-ofisi ephakathi, sidibanisa umqolo we-intanethi kuzo zonke ii-intanethi zasekuhlaleni, siqinisekisa ulawulo olusebenzayo lwenethiwekhi kubo bonke ababandakanyekayo.

Isebenza njengesikhungo esilawula lonke ulwazi olungena noluphumayo, iqinisekisa ukuba umsebenzisi ngamnye ufumana isabelo sakhe esifanelekileyo sezicelo ze-bandwidth ngaphandle kokunciphisa umgangatho. I-OLT igcina ukulingana kwenethiwekhi, ijonga ukubambezeleka, kwaye ibonelela ngokusebenzisana phakathi kwamacandelo ahlukeneyo, idibanisa ii-ONU, ii-ONT, kunye nee-terminals zenethiwekhi ye-optical ukugcina wonke umntu enxibelelene.

2. Umphathi weNdlela

I-OLT isebenza njengomlawuli wethrafikhi yedatha, ilawula ukuhambahamba ukuqinisekisa ukuba akukho nto ixinanayo okanye ilahlekayo. I-OLT nganye icubungula amawaka okuhambahamba kwethrafikhi ngaxeshanye, ihambisa idatha eninzi ngaphandle kokuxinana. Yahlula i-bandwidth ngokwemfuno yomsebenzisi, ithintela nawuphi na umsebenzisi ukuba asebenzise inethiwekhi yonke.

Ibeka phambili iintlobo ezithile zethrafikhi, njengevidiyo ye-4K okanye iifowuni, ukuqinisekisa ukuba ezi nkonzo zihlala zikhawuleza kwaye zicocekile. Ngelixa udlala i-flick okanye udibana nomhlobo efowunini, i-OLT isebenza ngasemva kweziganeko ukugcina izinto zihamba kakuhle.

3. Isango leNkonzo

I-OLT ayilonxibelelwano nje kuphela. Yisitshixo esivula ihlabathi le-intanethi, iTV, nokunye. Ithumela i-broadband, i-IPTV, kwaneefowuni kumsebenzisi ngamnye, ilawula ithrafikhi ukuze bonke bafumane oko bakudingayo. Ii-OLT zinxibelelana nee-ONT ezikwikhaya ngalinye okanye eofisini, ziqinisekisa ukuba inkonzo efanelekileyo inikezelwa kwindawo echanekileyo.

Ixhasa iintlobo ezininzi zeenkonzo ngaxeshanye, ivumela abasebenzisi ukuba babukele iTV, bakhangele i-intanethi, kwaye benze iifowuni. I-OLT ihlala ihambelana, ngoko unokuthembela kuqhagamshelo lwakho xa kubalulekile.

4. Umyalelo oPhakathi

I-OLT yeyona mphathi iphambili yenethiwekhi. Iqinisekisa zonke iinethiwekhi kwaye ijonga impilo yenethiwekhi, ifumanisa iingxaki kwangethuba. Ngokunxibelelana neenkqubo zolawulo lwenethiwekhi, inceda ekulungiseni iingxaki ngokukhawuleza nasekugcineni izinto zisemgangathweni.

Ukuphinda-phinda kwakhelwe ngaphakathi ngamandla okugcina kunye neebhodi zolawulo. Ukuba kukho into ephukileyo, inethiwekhi iyaphakama. Njengoko iinethiwekhi zefayibha zisanda kwaye zitshintsha, ii-OLT ziza zilungele inkxaso yesantya kunye neenkonzo zesizukulwana esilandelayo, ukuqinisekisa ukuba uhlaziyo luyehla ngaphandle kokuphazamiseka.

Indlela i-OLT esebenza ngayo

Embindini we inethiwekhi ye-fiber optic Isebenzisa isixhobo se-Optical Line Terminal (OLT). Isebenza njenge-central hub, iqhagamshela ababoneleli beenkonzo ze-intanethi (ii-ISP) kumakhulu ezindlu okanye iiofisi. I-OLT yahlula isignali yefayibha ephambili kwaye iyithumele kubasebenzisi abaninzi okanye amakhulu nge-passive optical splitter. Ngomlinganiselo wokwahlulwa kunye noqwalaselo lwenkqubo, esi sixhobo sinokuqhagamshela kwi-64 okanye i-128 Optical Network Units (ii-ONU)/Optical Network Terminals (ii-ONT) kwizibuko ngalinye. Amakhadi e-Uplink ngaphakathi kwe-OLT axhuma inethiwekhi yendawo kwi-intanethi ebanzi, esebenzisa uqhagamshelo olunamandla aphezulu njenge-10G okanye i-100G Ethernet. Ibhodi yolawulo ye-OLT iqinisekisa ulawulo olusebenzayo lwenethiwekhi, ukugcina idatha ihamba, ukulawula umzila, kunye nokuqinisekisa ukuba zonke uqhagamshelo zihlala zisempilweni kwaye zikhuselekile. Ixhasa ubuchwepheshe obuninzi be-PON, kunye ne-GPON, i-EPON, kunye ne-XGS-PON njengemizekelo ephawulekayo. Ii-OLT ezininzi zikwanamandla okugcina okanye iibhodi zolawulo ezongezelelweyo ukugcina iinethiwekhi xa zingasebenzi.

Ukuguqulwa kweSignali

Isixhobo se-OLT sifumana idatha njengemiqondiso yombane size siyiguqulele kwimiqondiso yokukhanya ukuze idluliselwe ngenethiwekhi ye-fiber optic. Olu tshintsho lwenzeka kwi-transceiver ye-OLT, edlulisela ngezantsi kubude be-wavelength ethile, ngesiqhelo malunga ne-1490 nanometers. Ngokuguqula imiqondiso yombane ibe kukukhanya, inkqubo ithintela ukulibaziseka okanye ukudideka kwedatha, nto leyo ibalulekileyo ekwabiweni kwe-bandwidth ngexesha lemisebenzi enzima ye-bandwidth efana neenkonzo zevidiyo. Ukuba isignali ayilungiswanga ngokuchanekileyo, inethiwekhi inokuthoba okanye ilahle ulwazi. Itekhnoloji ye-OLT inciphisa ukulahleka kwesignali ngokusebenzisa i-hardware enyamezela iimpazamo kunye nokufunyanwa kweempazamo ukuqinisekisa ukuba ukuthembeka kwedatha kufikelela kumsebenzisi ngamnye wokugqibela.

Usasazo olusezantsi

Ukusasazwa okuya ezantsi kuthetha ukuba isixhobo se-OLT sisasaza idatha kubasebenzisi ngokwahlula isignali yokukhanya nge-passive optical splitter, sivumela ukuba ifayibha enye yabelwane ngayo kwiindawo ezininzi zokuhlala okanye iiofisi. Itekhnoloji ye-OLT iyayiqonda iyunithi nganye yenethiwekhi ye-optical kwaye isebenza kwiitshaneli ezininzi ngaxeshanye, ilawula ngokufanelekileyo ukwabiwa kwe-bandwidth ukuqinisekisa ukuba abasebenzisi bamandla, abanjengokusasaza iintsapho okanye iiofisi ezixakekileyo, bafumana okwaneleyo. i-intanethi ekhawulezayoI-OLT ijonga umgangatho, iqinisekisa ukuba bonke abasebenzisi bayonwabela iividiyo ezingenamthungo, ukulayisha ngokukhawuleza amaphepha ewebhu, kunye neefowuni ezicacileyo.

Ulungelelwaniso oluPhezulu

Idatha ephuma phezulu ibuya kubasebenzisi iye kwisixhobo se-OLT, apho iyunithi nganye yenethiwekhi ye-optical (ONU) idlulisela khona kubude be-wavelength eyahlukileyo, ngokuqhelekileyo iphantse ibe yi-1310 nanometers, ukuthintela ukudibana kwesignali. Inkqubo yakho ye-OLT ihluza ezi signals, iqinisekisa ukuba idatha yomsebenzisi ngamnye ifika kwindawo efanelekileyo. Ivumelanisa ixesha ukuze imiyalezo ingangqubani, igcina inethiwekhi ye-fiber optic icula kakuhle, nokuba kukho abasebenzisi abaninzi abakwi-intanethi ngaxeshanye. I-OLT ilawula iimpazamo kwaye izilungise ngokukhawuleza, igcina ulawulo lwenethiwekhi olusebenzayo kwaye isigcina sonke siqhagamshelwe.

Uyilo lwe-OLT

Uyilo lwe-OLT, oluyinxalenye ebalulekileyo yeenethiwekhi ze-fiber optic, luchaza indlela ezi nethiwekhi eziyilwe kwaye zisebenza ngayo. Zitshintsha ukuthuthwa kwemiqondiso phakathi kwezixhobo zomboneleli weenkonzo ze-intanethi kunye nemigca ye-fiber optic ukuya kwiindawo zokuhlala nakwiiofisi, ukuqinisekisa ulawulo olufanelekileyo lwenethiwekhi kunye nokukhula kwayo.

Isekelwe kwiChassis

Ii-OLT ezisekelwe kwi-chassis zisebenza ngendlela efanayo ne-mainframe, zineendawo zokubeka iibhodi ezininzi ezinokwamkela ii-PON ports ezahlukeneyo. Ezi ndawo zokubeka ziqhagamshela kwiiyunithi ezininzi zenethiwekhi ye-optical (ii-ONU), kunye noqwalaselo oluhlala lufikelela kumlinganiselo wokwahlulwa kwezibuko ukusuka kwi-1 ukuya kwi-64 okanye i-1 ukuya kwi-128. Olu yilo luxhasa uluhlu lwee- Imigangatho yePON, kuquka i-GPON, i-XGS-PON, kunye ne-Combo PON, ezinokusebenza ngaxeshanye ngaphakathi kwi-chassis enye. Ukuguquguquka kuvumela ukongezwa okanye ukutshintshiselwa kweebhodi njengoko iimfuno zenethiwekhi zitshintsha okanye kuvela ubuchwepheshe obutsha. Ukugcinwa kulula, njengoko iibhodi ngazinye zinokutshintshwa ngaphandle kokuvala yonke inethiwekhi ye-fiber optic.

Ezi OLT zilungele ngakumbi ukuthunyelwa okukhulu apho kufuneka unikezele ababhalisile abatsha okanye iinkonzo rhoqo. Uninzi lweemodeli zetshasi zinamandla amabini kunye neebhodi zolawulo zokuphinda zisetyenziswe. Oku kubangela ukuba ixesha lokungasebenzi lincinci kwiindawo ezibalulekileyo ezifana nezibhedlele okanye iipaki zoshishino ezinkulu. Zisingatha imisebenzi emininzi: ukubethela ithrafikhi, ukusebenzisa i-PLOAM, kunye nokuvumela ii-ONU ezahlukeneyo ukuba zisebenze kunye, nokuba zivela kubavelisi abahlukeneyo ukuba basebenzisa i-OMCI.

Ibhokisi yePizza

• Iingenelo: * Ixabiso eliphantsi lokusasazwa okuncinci ukuya kokuphakathi.

  • Kulula ukuyifaka nokusebenza.

  • Ayinandawo ingako yokufaka iirakhi.

  • Ilungele ukuthunyelwa ngokukhawuleza.

• Imida: * Ayikhuli kangako kuneenkqubo ezisekwe kwi-chassis.

  • Amazibuko ambalwa, ukuguquguquka okuncinci.

  • Inkxaso yemigangatho ye-PON exutyiweyo elinganiselweyo.

Ii-OLT zebhokisi lepizza zifana nee-routers zasekhaya—ii-mini-monoliths ezizifakelweyo, ezizifakelweyo. Zilungele ukufakwa okuncinci okanye iindawo apho ungalindelanga ukukhula okukhulu khona. Ukusasazwa kukhawuleza. Nangona kunjalo, njengoko inethiwekhi yakho ye-fiber optic isanda, unokukhula ngokukhawuleza udlule olu hlobo kuba kunzima ngakumbi ukongeza ezinye ii-terminals zenethiwekhi ye-optical okanye ukufudukela kwi-PON standard entsha.

Yenziwe ngekhompyutha

Ii-OLT ezisebenziseka lula zizinto zamva nje kwicandelo lothungelwano lwe-fiber optic. Zisebenza njengesoftware kwi-hardware yezinto ezithengiswayo endaweni yezixhobo ezizimeleyo, zivumela abaqhubi ukuba batshintshe iinkonzo okanye bonyuse umthamo ngaphandle kokutshintsha izixhobo. Olu tshintsho luluncedo ngakumbi kwiinethiwekhi ezineemfuno eziguquka ngokukhawuleza, ezifana nezixeko ezikrelekrele okanye iikhampasi. Ngokusebenzisa iiseva ezithengiswayo, iindleko zehardware ziyancipha kakhulu.

Ngee-OLT ezibonakalayo, ukuphuculwa kuqhutywa kakhulu yisoftware, okuvumela iimpawu ezifana nolawulo oluzenzekelayo olukhokelela ekunciphiseni iindleko zomsebenzi kunye neempazamo. Le teknoloji inceda ngokonga amandla kunye nokusebenza kakuhle kwendawo, njengoko ii-OLT ezininzi ezibonakalayo zinokusebenza kwi-rack enye yeseva, nto leyo ephucula isiseko se-broadband ye-optic iyonke.

Ukukhethwa koyilo lwe-OLT kuchaphazela ukwandiswa, iindleko, kunye nobulula bokusebenza kwenethiwekhi. Ukukhetha efanelekileyo kubandakanya ukuqwalasela iimfuno ezikhoyo, ukwanda okulindelekileyo, kunye nomgangatho wenkonzo ebalulekileyo efunekayo ukuhlangabezana neemfuno zabanikezeli beenkonzo ezahlukeneyo.

Iindawo eziqhelekileyo zokusasazwa

Ii-OLT zifana nomoya weenethiwekhi ze-fiber optic, zithumela ulwazi kubasebenzisi abaninzi, kwanakwamakhulu, ngee-fiber optic. Ukusasazwa kwesixhobo se-OLT, indlela osilungiselela ngayo, kunye nolawulo lweentambo ze-optical konke kubalulekile ekusebenzeni kakuhle kwenethiwekhi. Izigqibo malunga nokusasazwa kwe-OLT ziphenjelelwa yimozulu yale ndawo, imfuno yabathengi, kunye nohlobo lweenkonzo ze-optic ezinikezelwayo.

I-Broadband yokuhlala

Kwiindawo ezikufutshane, iinkonzo ze-fiber optic ziyimfihlo yokukhanyisa i-intanethi yasekhaya, kunye ne-OLTs ezithumela idatha ngemigca ye-fiber ngqo kumakhaya ngabanye. Olu seto luvumela iintsapho ukuba zibukele iimuvi, ziye kwiiklasi ze-intanethi, okanye zidlale imidlalo kunye nokubambezeleka okuncinci. Uninzi lwe-OLTs ezisasazwa kwezi ndawo ziluhlobo lwe-chassis, oluvumela ababoneleli beenkonzo ze-intanethi ukuba bafake izithuba ezongezelelweyo njengoko amakhaya amaninzi efika kwi-intanethi. Olu yilo oluhambelana neplagi lunceda ukwandiswa kwenethiwekhi ye-fiber optic ngaphandle kotshintsho olukhulu loyilo. Kuluntu oluncinci, i-OLT yohlobo lwebhokisi kulula ukuyisebenzisa kwaye ihambelana namanani aphantsi ababhalisileyo.

Itekhnoloji ye-OLT ayipheleli nje kwisantya; ikwanceda ekugcineni isignali enamandla nokuba lixesha leeyure ezixakekileyo. Ngokulawula ithrafikhi yedatha, ii-OLT ziqinisekisa ukuba imidlalo ekwi-intanethi ayibambeki kwaye iividiyo azibambi. Uqwalaselo lwe-OLT oluyilwe kakuhle luthetha ukuba njengoko abasebenzisi abaninzi bengena kwi-intanethi, alunciphisi isantya, nto leyo egcina inethiwekhi iduma kwaye inciphisa ukungasebenzi.

Unxibelelwano lweShishini

Kwiinkampani, kungaphezulu nje kokufikelela kwiwebhu; yi-OLT. Yiyo evumela amashishini ukuba aqhube iingqungquthela zevidiyo namalungu eqela kwiindawo ezahlukeneyo zexesha, abambe usetyenziso lwamafu, kwaye enze iifowuni zeVoIP ezicacileyo. Uninzi lwababoneleli beenkonzo bakhetha ii-OLT ezinokusebenzisana nee-ONU zomntu wesithathu, nto leyo ebavumela ukuba badibanise abathengisi ukuze balungele ukuthunyelwa kwabo okukhethekileyo. Isantya kunye nozinzo zibalulekile, njengoko ukucima okwethutyana kunokubonisa ukuba izivumelwano ezilahlekileyo okanye ixesha elibekiweyo alikho.

Amashishini athile afuna ukufakelwa okulungiselelwe wona, ukhuseleko olongezelelweyo, amandla okuxhasa, okanye ii-OLT ezifihliweyo kwiikhabhathi ezisecaleni kwendlela. Izixhobo zombane ezimbini kunye nolawulo lwemozulu ziqhelekile, ingakumbi apho ukuthembeka kuyimfuneko. Ii-OLT zinokufakwa kuyilo lwe-FTTH okanye lwe-FTTB, kuxhomekeke ekubeni ifayibha iphela kwisakhiwo okanye ifikelela kwidesika nganye.

I-Backhaul yeselula

I-backhaul yeselula idibanisa ii-cell towers kwi-intanethi ebanzi, kwaye ii-OLT zinendima ephambili apha. Zicubungula idatha eninzi xa sonke sikhupha iifowuni zethu ngaxeshanye. Ezi OLT kufuneka zenze idatha ihambe ngokukhawuleza kwaye zigcine i-latency (ukulibaziseka) iphantsi kangangoko ukuze imiyalezo, iifowuni zelizwi, kunye nee-apps zivakale zikhawuleze.

Ukusasazwa ngaphandle kuxhaphakile kule ndawo. Ii-OLT zifuna iikheyiphu ezimelana nemozulu, ulawulo oluqinileyo lwefayibha, kunye nokuhamba komoya okugqwesileyo ukuze zihlale zipholile. Ii-OLT ezinomthamo ophezulu zivumela iinethiwekhi zeselula ukuba zikhule njengoko abasebenzisi besanda kwaye benqwenela idatha eyongezelelweyo. Ukuhambelana nezinye ii-ONU kubalulekile kuba iinethiwekhi zeselula zihlala zidibanisa kwaye zifanisa izixhobo ezivela kubathengisi abahlukeneyo.

Iimbopheleleko ze-OLT ezingahoywanga

Ii-OLT, okanye izixhobo zokuphelisa umgca we-optical, ziingcinga ezisemva kweenethiwekhi ze-fiber optic ezikhawulezayo. Ubukhulu bazo bokwenyani buhlala buphantsi kwe-radar. Kunokuba zityhale nje ii-bits, itekhnoloji ye-OLT ilawula ukwabiwa kwe-bandwidth kwaye iqinisekisa ulawulo lwenethiwekhi olusebenzayo, inceda ukugcina iinethiwekhi zikhawuleza, zikhuselekile, kwaye zithembekile kwizigidi kwihlabathi liphela.

• Ukuvumela ukuphindaphinda kwenethiwekhi ezibalulekileyo ezineebhodi zamandla amabini kunye nolawulo.

• Guqula imiqondiso yombane ukusuka kwizixhobo zomboneleli ukuya kwimiqondiso ye-fiber optic.

• Ixhasa imigangatho emininzi yePON, efana neGPON, EPON, XG(S)-PON, kunye neCombo PON.

• Inkqubo yezakhelo ezisezantsi zolawulo lweslothi kunye neeseli zokugcina

• Bhala phantsi ithrafikhi yabasebenzisi ukuze idatha ye-ONT igcinwe iyimfihlo

• Phatha ii-optical split ratios, udibanise amashumi okanye amakhulu ee-ONU kwizibuko ngalinye.

• Xhasa ii-ONU ezivela kubathengisi abaninzi abasebenzisa i-OMCI eqhelekileyo.

• Nika iinkonzo ze-bandwidth ephezulu njengevidiyo ye-4K kunye ne-VoIP ngokulula.

Ukhuseleko lweNethiwekhi

Ukhuseleko lufakwe kwi-OLTs ukusuka kumgangatho ukuya phezulu. Zibhala ngekhowudi ithrafikhi ukuze umntu omnye angakwazi ukubona idatha yomnye nge-GPON Serial Number, i-password ye-PLAAM, okanye i-LOID ID kunye ne-password. Oko kungaphezulu kocango olutshixiweyo; yinkqubo yokhuseleko epheleleyo. Ii-OLT zijonga ukuba zeziphi izixhobo ezidibanisa kwaye zilawula ukhuseleko, ziqinisekisa ukuba zizixhobo ezigunyazisiweyo kuphela ezinxibelelana nenkqubo.

Ukufikelela kulawulwa kakhulu. Isixhobo ngasinye kufuneka sizibonakalise ngaphambi kokuba sithathe inxaxheba. I-OLT isebenzisa iiprotokholi ze-OMCI ukuqinisekisa ukuba ii-ONU ziyayithobela imithetho, nokuba ngubani na onikezelayo. Ukubethela kubaluleke kakhulu kuzo zonke izigaba. Idatha inokudlulisa inethiwekhi ngaphandle kwengozi yokuvuza okanye ukubonwa. I-OLT ijonga ithrafikhi ngexesha langempela, ichonge ukuziphatha okurhanelekayo ngokukhawuleza. Oku kugcina izoyikiso zingabikho kwaye kugcina inkonzo iphezulu.

Ukusebenza kakuhle kwamandla

Ii-OLT zanamhlanje zigcina umbane imini nobusuku. Iindlela zokulala kunye nokulinganisa amandla aguqukayo kuvumela izixhobo ukuba zibuyisele umva ukutsala kwazo amandla xa abasebenzisi abambalwa beqhagamshelwe kwi-intanethi. Olu lawulo luqinileyo lugcina imali kubaboneleli kwaye lunciphisa umngcipheko wekhabhoni.

Ulawulo lwamandla olusebenzayo alupheleli nje ekongeni imali. Luyandisa ubomi benethiwekhi kwaye lwenza ukufikelela kwifayibha kube lukhetho olunobuhlobo nokusingqongileyo. I-OLT inokutshintsha amandla ngokuxhomekeke kwinani lezixhobo eziqhagamshelweyo, kwaye ii-OLT zinokutshintsha amandla. Ababoneleli abaninzi namhlanje baya kuqwalasela nokulinganiswa kwamandla xa bekhetha ii-OLT ezintsha, besazi ukuba yonke iwatt egciniweyo iluncedo.

Uxilongo oluPhambili

Kulapho ke Ukuxilongwa kwe-OLT Zingena. Zisebenza njengovavanyo lwempilo yenethiwekhi. Ezi zixhobo zijonga umgangatho wesiginali, zichonge iimpazamo, kwaye zazise amaqela ngemiba ngaphambi kokuba abasebenzisi bazibone. Ukuskena ngexesha langempela kuqinisekisa ukuba iingxaki zisonjululwa ngokukhawuleza, kugcina inkonzo ingenamthungo.

Ezi nkqubo zinokubiza ukuze zihlole iirekhodi okanye iingxelo ezineenkcukacha, zinike abaqhubi benethiwekhi ingxelo ecacileyo malunga nokuba yintoni eqhubekayo kunye noko kufuna uncedo. Ukuxilongwa okuqinileyo kuthetha ukuba ukungasebenzi kakuhle kuncinci kwaye abathengi bonwabile.

Ukukhetha i-OLT echanekileyo

Ukukhetha i-OLT efanelekileyo kudlula nje ukukhetha ibhokisi ekhawulezayo kwisibonisi. Isigqibo sakho simisela ukuba inethiwekhi iyakwazi ukumelana njani nokwanda, iimfuno ezitshintshayo, kunye netekhnoloji entsha. Ii-OLT zingumphefumlo wenethiwekhi yefayibha yanamhlanje, ngoko ke ukukhetha elungileyo kukucinga kwangaphambili nokugxila kwizinto ezibalulekileyo.

1. Ukwanda: Khetha i-OLT enezibuko ezaneleyo kunye ne-bandwidth eyaneleyo yenani lababhalisi bakho bangoku kunye nesicwangciso sakho sokukhula seminyaka emihlanu. Ii-OLT ezikhula ngokukhawuleza zinokuxhasa abasebenzisi abaninzi, izixhobo ezingaphezulu, kunye nethrafikhi yedatha enzulu ngakumbi. Khetha i-OLT efanelekileyo. Ngaphandle komthamo, khangela uyilo lwe-chassis yemodyuli. Ezi zikuvumela ukuba wongeze amakhadi omgca okanye utshintshe izixhobo njengoko imfuno isanda, ngoko akufuneki utshintshe yonke i-OLT. Olu hlobo lolungiselelo lugcina utyalo-mali lwakho lwexesha elizayo luphantsi ngelixa uvumela inethiwekhi yakho ukuba iguquke njengoko usazisa abasebenzisi abatsha okanye usebenzisa usetyenziso olukhawulezayo. Umzekelo, i-OLT yemodyuli inokuvumela umboneleli omncinci wengingqi ukuba aqale ngabathengi abambalwa kuphela aze akhule aye kumawaka ngaphandle kwexesha lokungasebenzi.

2. Ukusebenzisana: Ii-OLT kufuneka zisebenze kakuhle nee-ONU ezahlukeneyo kunye nokuseta inethiwekhi. Ukuba inethiwekhi yakho iza kuthumela izixhobo ezivela kubathengisi abaninzi, qinisekisa ukuhambelana. Ii-OLT ze-Combo PON ziyindlela entle apha. Zixhasa zombini i-GPON kunye ne-XGS-PON, ngoko ke ungadibanisa isantya kwaye ufuduse abasebenzisi ngokukhawuleza. Ayisiyiyo kuphela abaqhubi abafuna ukusebenzisana okuhle; koko kufunwa ngababoneleli bezixhobo. Jonga itafile ukuze ufumane isalathiso esikhawulezileyo:

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

| XG-PON | 10 Gbps kunye ne-2.5 Gbps | XG-PON ONUs

| I-XGS-PON | 10 Gbps / 10 Gbps | Ii-ONU ze-XGS-PON/Combo | I-PON edibeneyo | I-GPON kunye ne-XGS-PON | I-GPON, i-XGS-PON, ii-ONU ezidibeneyo |

3. Ulawulo: Ii-OLT zifuna izixhobo zolawulo ezilula neziqinileyo. Funa iideshibhodi zewebhu eziqondakalayo okanye ukufikelela kwi-CLI okukuvumela ukuba uhlale ujonge amazibuko, uphonononge iilog, kwaye uchonge imiba ngokukhawuleza. Yenza umsebenzi wesiqhelo ube ngozenzekelayo, njengokungenisa abathengi, uhlaziyo lwe-firmware, kunye nokuseta iiprofayili zenkonzo kwiipakeji ezahlukeneyo ze-bandwidth, ukunciphisa ixesha kunye nokunciphisa iimpazamo. Iimpawu ezilungileyo zolawulo ziquka ukuphuka kwefayibha okanye izilumkiso zokusilela kombane, ezinceda ukugcina ixesha lokungasebenzi liphantsi kwaye abathengi bonwabile. Kwiinethiwekhi ezixineneyo, ukuhanjiswa kweentambo ngobuchule kunye nokuphawula ngokufanelekileyo kunciphisa iimpazamo kwaye kukhawulezise ukulungiswa.

Isiphelo

Ngamafutshane, i-OLT yeyona nto ibalulekileyo kwiinethiwekhi zefayibha. Ivakala imini nobusuku, ithumela idatha yakho ngesantya esiphezulu kwaye yenza ubomi bube lula kubaphequluli be-intanethi, abasasazi kunye nabafowunelayo. Udibana nee-OLT kwiindawo zasezidolophini, ezisemaphandleni nakwiindawo ezikude. Yonke into ifuna indlela eyahlukileyo kancinci, ukusuka ekukhetheni izixhobo ukuya ekugcinweni. Ukukhetha okuhambelanayo kwenza iinethiwekhi zisebenze kwaye zihlale ixesha elide. Nokuba zikwiibhloko zesixeko ezixakekileyo okanye kwiindlela zasemaphandleni ezithuleyo, i-OLT igcina ihlabathi liqhagamshelwe. Ngaba ufuna ukwandisa ulungiselelo lwakho lwefayibha? Gxila kwiinketho zakho ze-OLT kwaye ufumane indlela efanelekileyo enokuguqula ngayo inethiwekhi yakho yonke.

Imibuzo ebuzwa qho

Yintoni i-Optical Line Terminal (OLT)?

Isiphelo somgca we-optical (OLT) sisixhobo esibalulekileyo esilawula ukuhamba kwedatha phakathi komboneleli wenkonzo ye-intanethi kunye nabasebenzisi bokugqibela kwinethiwekhi ye-optical engasebenziyo (i-PON).

Isebenza njani i-OLT kwinethiwekhi yefayibha?

Isixhobo se-OLT siguqula imiqondiso yedatha eqhelekileyo ibe yimiqondiso ye-optical, siyithumela ngemigca ye-fiber optic kubabhalisi abaninzi, nto leyo evumela i-intanethi ekhawulezayo kunye neenkonzo ezahlukeneyo ze-optic.

Zisetyenziswa phi ii-OLT rhoqo?

Ii-ISPs zifakela izixhobo ze-OLT kwiinethiwekhi zazo ze-fiber optic ukuze kube lula ukusasazwa kwe-broadband kwiindawo zasezidolophini, ezisemaphandleni, nakwiindawo zasemaphandleni, ezihlala zikwiziko ledatha okanye kwiiofisi eziphambili.

Zithini imisebenzi ephambili ye-OLT?

Isixhobo se-OLT silawula ukwabiwa kwe-bandwidth, silawula ukuthembeka kwesignali, kwaye siqinisekisa ukhuseleko lwenethiwekhi, sixhasa abasebenzisi abaninzi kwiinethiwekhi zefayibha ezithembekileyo.

Ndingayikhetha njani i-OLT efanelekileyo kwinethiwekhi yam?

Khetha isixhobo se-OLT ngokusekelwe kubukhulu benethiwekhi, abathengi abaxhaswayo, ukusebenzisana neziseko zophuhliso zangoku, kunye nezicelo ze-bandwidth ekujoliswe kuzo ukuze kulawulwe inethiwekhi ngokufanelekileyo.

Ngaba ii-OLT ziyahambelana nazo zonke iintlobo zeenethiwekhi ze-optical?

Hayi, izixhobo ze-OLT zenzelwe imigangatho ethile yenethiwekhi efana ne-GPON okanye i-EPON, ngoko ke soloko uqinisekisa ukuba iyahambelana netekhnoloji yenethiwekhi yakho ye-fiber optic ngaphambi kokuba uthenge!

Yintoni umahluko phakathi kwe-OLT kunye ne-ONU?

Isixhobo se-OLT, esibalulekileyo kulawulo lwenethiwekhi olusebenzayo, sihlala kwicala lomboneleli wenkonzo kwaye silawula inethiwekhi ye-optical, ngelixa i-ONU, okanye iyunithi yenethiwekhi ye-optical, ikwindawo yomsebenzisi ukuze ifumane idatha.