Ifayibha yemowudi enye vs. ifayibha yemowudi ezininzi zezona ntlobo zimbini ziphambili zeefayibha ze-optical ezisetyenziselwa ukudlulisa idatha kumgama omde nomfutshane. Ifayibha yemowudi enye isebenzisa isiseko esincinci kwaye idlulisela ukukhanya ngqo kumbindi, nto leyo eyenza ukuba ibe yeyona ifanelekileyo kunxibelelwano lomgama omde ngesantya esiphezulu. Ifayibha yemowudi eninzi inombindi omkhulu, isasaza ukukhanya kwiindlela ezininzi kwaye ifanelekile kumgama omfutshane njengakwisakhiwo okanye kwikhampasi. Nganye inezibonelelo zayo, njengexabiso, i-bandwidth, kunye nomgama. Ukukunceda ekukhetheni ifayibha efanelekileyo, la macandelo alandelayo abonisa ulwazi oluthe ngqo, uthelekiso lokusetyenziswa, kunye nohlalutyo lweendleko. Injongo kukwenza isigqibo sibe lula kwaye sicace kuye wonke umntu.

I-Single Mode vs. I-Multimode Fiber

Imo enye kunye nemowudi eninzi iintambo ze-fiber optic iqhuba ukukhanya ngendlela eyahlukileyo kakhulu, ichaphazela iimpawu zayo kunye nokusetyenziswa kwayo okufanelekileyo. Intambo ye-fiber optic yemowudi enye inombindi omncinci ojikeleze ii-microns ezili-9, ikhokela imowudi enye yokukhanya kumgama omde. Ngokwahlukileyo koko, i-fiber yemowudi ezininzi, enobukhulu obuphakathi obuyi-50 okanye i-62.5 microns, inokusasaza iindlela ezininzi zokukhanya ngaxeshanye. Imowudi enye isebenza kwii-wavelengths ezinde, ngelixa i-multimode ihlala nezimfutshane, ibonisa amandla azo ahlukileyo kwizicelo ezahlukeneyo.

1. Imo enye: i-long-haul telecom, i-data center backbones, iinethiwekhi zedolophu.

2. Iindlela ezininzi: iinethiwekhi zekhampasi, iintambo zokwakha, amakhonkco eseva afikelela kwiindawo ezikufutshane.

1. Ububanzi obuphambili

Isiseko sentambo ye-fiber optic yemowudi enye yi-9µm kuphela, nto leyo evumela ukukhanya ukuba kuhambe ngokuthe ngqo ngaphandle kokutsiba kakhulu. Le ndlela imxinwa iphucula ukuthembeka kwesignali kwiindawo ezinkulu, kodwa ifuna izixhobo ezikhethekileyo kunye noqwalaselo olucokisekileyo. Ngokwahlukileyo koko, iintambo ze-fiber optic zemowudi ezininzi zinomqolo omkhulu kakhulu—i-62.5µm ye-OM1 kunye ne-50µm ye-OM2, i-OM3, i-OM4, kunye ne-OM5. Zombini ezi ntlobo zinobubanzi be-cladding obuyi-125µm, obuzikhuselayo kwaye buqinisekisa ukuba ziyakwazi ukulawula. Isiseko esikhulu se-multimode sivumela ukukhanya ukuba kutsibe kwiindlela ezininzi, zilungele imigama emifutshane kodwa zinokukhokelela kwi-signal smear okanye i-modal dispersion kwiindawo ezinde.

2. Umthombo wokukhanya

Ifayibha yemowudi enye idla ngokuhamba nemithombo yokukhanya yelaser. Iilaser zikhupha umqadi othe tye, onamandla — ofanelekileyo ekuthumeleni umgama omde. Ifayibha yemowudi eninzi isebenzisa ii-LED, ezingabizi kakhulu kwaye kulula ukuzicwangcisa kodwa zisasaza ngakumbi kwaye zisebenza kakuhle kumgama omfutshane.

Ngeelaser, iikhonkco zemowudi enye ziya kude kakhulu, kodwa izixhobo zinokubiza kakhulu kwaye zifuna izandla zobugcisa. Ii-LED zeMultimode zinciphisa iindleko kwaye zenze kube lula ukufaka, kodwa zithintela umgama kunye nesantya. Ngumahluko phakathi kwephupha elibi eliphula uhlahlo-lwabiwo mali lentloko ebuhlungu, kunye nephupha elizalisekayo, kwiinethiwekhi ezinkulu okanye kwiikhampasi ezinkulu.

3. Umda weBandwidth

I-fiber yemowudi enye ayikaze ifikelele kuphahla lwe-bandwidth. Umbindi wayo omxinwa ubangela ukulahleka kokukhanya okuncinci okanye ukusasazeka, okwenza ukuba ihlangabezane neemfuno njengoko imithwalo yedatha isanda. I-fiber yemowudi eninzi ilahlekelwa kwaye isasazeka ngakumbi, ngoko ke i-bandwidth yayo iyehla ngomgama. Oku kubalulekile kwiindawo ezifana ne-cloud computing okanye amaziko edatha anamhlanje apho ulwazi oluninzi lusasazeka ngokukhawuleza.

Imowudi enye yeyona ndlela ilungileyo yokukhetha, apho i-multimode slots ifanelekileyo khona, apho ukubaleka okufutshane nokukhawulezileyo kubaluleke kakhulu.

4. Ukufikelela kumgama

Imowudi enye igubungela umgama ofikelela kwi-160km, isebenza kwiintambo ezinkulu zonxibelelwano okanye kwiinethiwekhi zesixeko. Imowudi eninzi ifikelela kwi-550 yeemitha kwi-1Gbps, nto leyo ilungele ukufakelwa kweentambo ngaphakathi.

Umgama uguqula ucwangciso lwenethiwekhi. Ukuba ukufikelela okufutshane kunye neziphindaphindo ezininzi ze-multimode, imo enye ithetha ukuba akukho kumisa kakhulu kunye nemiqondiso ethambileyo.

Umgama uqhagamshela ngqo ekulahlekelweni kwesiginali.

Ukubaleka ixesha elide? Imowudi enye iyaphumelela.

5. Ixabiso lilonke

Ifayibha yemowudi enye ibiza kancinci ukuyivelisa, kodwa ii-transceivers zayo zidla ngokubiza ngaphezulu—ngamanye amaxesha zide ziphindeke kahlanu. Oko kunokwanda, ingakumbi xa kuphuculwe kakhulu okanye kulwakhiwo olutsha. Oko kuthethiweyo, imowudi enye ifanelekile kwiinethiwekhi ezinkulu okanye ezikhuselekileyo kwixesha elizayo.

Ixabiso lilonke lingaphezulu nje kwexabiso lentambo. Cinga ngokuseta/izixhobo kunye neemfuno zexesha elizayo ngaphambi kokuba ukhethe.

Ukonga kwangaphambili kweMultimode kulungile xa kufikwa kuhlahlo-lwabiwo mali oluncinci, kodwa ukukhula kwexesha elide kunokuyitshintsha indlela enye.

I-Anatomy yeFiber

Iintambo ze-fiber optic, kuquka i-singlemode kunye ne-multimode fiber optic cable, zidibanisa i-core, i-cladding, kunye nee-protective layers ukuhambisa ulwazi ngokukhanya. Ukuqonda ukwakheka kwezi ntlobo ze-fiber kubalulekile kuye nabani na oseka okanye ogcina inethiwekhi esebenza nzima kwaye ngokukhawuleza, njengoko imisela ukusebenza, ukuqina, kunye nendawo efanelekileyo.

Ulwakhiwo Lomzimba

Iintambo ze-fiber optic ze-single-mode kunye ne-multimode zombini zisebenzisa i-glass core egqunywe nge-cladding, kodwa ubukhulu bulapho zahlukana khona. I-core ye-fiber optic cable ye-single mode ilinganisa ububanzi be-8.3 ukuya kwi-10 microns kuphela—ngesiqhelo i-9 μm—ngelixa i-core ye-fiber optic cable ye-multimode inkulu kakhulu kwi-50 okanye i-62.5 μm. Zombini ezi ntlobo zigcina i-cladding kwi-125 μm, zibamba ukukhanya ngaphakathi kwaye zigcina ukucaca kwesignali. Iijakethi ezikhuselayo zijikeleze la macandelo ukukhusela iglasi emanzini, ukungcola, kunye neempembelelo ezinokwenzeka phantsi komhlaba okanye kwiisilingi eziwela phantsi. Ezinye iijakethi ziqinile kwizinto zangaphandle, ngelixa ezinye zenzelwe ukumelana nomlilo wangaphakathi.

Ukwakhiwa kweentambo ze-fiber optic kubaluleke ngeendlela ezahlukeneyo. Ii-cores ezincinci ze-single-mode zibangela ukuba ukukhanya kungaphindi kukhanye kwaye kusasazeke ngaphakathi kwe-core, nto leyo evumela imiqondiso ukuba ihambe kude ngaphambi kokuba kubonakale ukonakala. Ngokwahlukileyo koko, ii-fibers ze-multimode, kunye nee-cores zazo ezibanzi, zinokubamba ukukhanya okungakumbi kodwa zinokufumana ukuphazamiseka kwesignali ngexesha lokudluliselwa. Xa ukhetha iintlobo zefayibha, kubalulekile ukuqwalasela imeko yokufakela—ukuseta kwangaphandle kufuna iijakethi eziqinileyo nezikhuselekileyo emanzini, ngelixa ukufakelwa kwangaphakathi kunokungenelwa kuyilo olumelana nomlilo okanye iintambo eziguquguqukayo.

Ukusasazwa kokukhanya

Ifayibha yemowudi enye ibamba ukukhanya kwindlela enye emxinwa, ivumela ulwazi ukuba lubaleke ngaphandle kokuphazamiseka. Yiyo loo nto imiqondiso inokunqumla imigama emide - cinga ngeentambo zetelegraph ezinqumla ilizwe - ngaphandle kokuphela okanye ukuqhekeka. Ifayibha yemowudi eninzi isasaza ukukhanya kwiindlela ezininzi ngaxeshanye. Indlela nganye, okanye imowudi, inokuzulazula ngendlela eyahlukileyo, ngoko ke isignali inokusasaza kwaye ihlale ixesha elide njengoko isasazeka.

Yiyo loo nto i-single-mode ilukhetho lweekhonkco ezihamba ngesantya esiphezulu nezihamba ixesha elide. I-core yayo ithintela ukusasazeka kwe-modal, inika i-bandwidth engenamda. I-Multimode ikhawuleza ukuyisebenzisa kwiindlela ezimfutshane zokwakha kodwa ayinakudlula i-single-mode kwiindlela ezinkulu zokusebenza kwedatha. Ukuqonda indlela ukukhanya okusasaza ngayo kwifayibha kwenza abafaki kunye neengcali bakwazi ukuphucula isantya kunye nokucaca kwesignali apho bafuna khona.

Ukukhetha iFiber yakho

Ukukhetha iintambo zakho ze-fiber optic kuxhomekeke kwizinto ezimbalwa. Inethiwekhi nganye ineemfuno zayo, ngoko ke ukulungelelanisa iintlobo zefayibha neenjongo zakho, njengentambo ye-fiber optic ye-singlemode okanye intambo ye-fiber optic ye-multimode, kubalulekile!

• Umgama ekufuneka uhlangatyezwe yinethiwekhi yakho

• Isantya sebhendi okanye idatha siyafuneka

• Uhlahlo-lwabiwo mali lwefayibha kunye nezixhobo

• Iza kusetyenziswa phi kwaye njani ifayibha

• Imfuneko yokukhula okanye ukuphuculwa kwexesha elizayo

KwiZiko leDatha

Ukusebenza okufutshane ngaphakathi kwamaziko edatha kufuna i-multimode fiber. I-core yayo enkulu (ngesiqhelo i-50 ukuya kwi-100 microns) yenza kube lula ukunxibelelana kwaye yehlisa iindleko. I-Multimode isebenza ngesantya esiphezulu kwiirakhi zeseva kunye nokunxibelelana kwendawo yokugcina. Idlala kakuhle nemithombo yokukhanya engabizi kakhulu efana nee-LED kunye nee-VCSEL.

I-Multimode fiber ilungile kakhulu xa ubaleka ukuya kuthi ga kwiimitha ezingama-500–600, kwaye ihlala ingabizi kakhulu nangona amaxabiso edatha yenethiwekhi enyuka. Kwiindibano ezinde zeeholo zedatha okanye izakhiwo, i-single mode fiber iyathatha indawo. I-single mode ibiza kakhulu, ikakhulu ngenxa yee-transceivers ezibizayo, kodwa iyimfuneko kwiikhonkco zasekhampasini okanye kwisixeko. Yikhusele kwixesha elizayo ngokukhusela kwixesha elizayo kwisantya esiphezulu okanye izixhobo ezintsha endleleni.

Kwiikhampasi

Iikhampasi ezinezakhiwo ezikufutshane zihlala zisebenza njenge-multimode fiber. Iyakwazi ukuguquguquka, ixhasa ukudibana kwezicelo (ezifana nedatha, ilizwi, kunye nevidiyo), kwaye inokwamkela imfuno ye-bandwidth ekhulayo njengoko izixhobo ezininzi zijoyina.

Khetha inqanaba elifanelekileyo loqwalaselo lwakho—i-OM3, i-OM4 okanye i-OM5 yesantya kunye nokubaleka okude kube yi-2 km! Beka lonke ixesha cinga ngendlela inethiwekhi yakho enokukhula ngayo. I-Fiber, ebekwe ngoku enokuthatha imiqondiso ngokukhawuleza kamva, igcina ixesha nemali kwixesha elizayo.

Ukuhamba ixesha elide

Iinethiwekhi zokuhamba ixesha elide—umz. isixeko okanye phakathi kweedolophu—zixhomekeke kwifayibha yemowudi enye. Ububanzi bayo obuncinci obuphakathi bubamba imiqondiso kufutshane, bufikelela kwiikhilomitha ezingama-40 ngaphandle kokulahleka okuncinci. Ezi ndlela zibalekayo zifuna ii-transceivers ezikhethekileyo ezilungiselelwe umgama.

Imowudi enye ikhanya kakhulu kwiinethiwekhi ze-backbone kunye ne-metro, apho isantya kunye nokuthembeka kulawula kakhulu. Ixabisa kakhulu kwangaphambili kodwa igcina imali xa kuthelekiswa nokuphindaphinda okanye ukuphuculwa okuncinci. Ekucwangciseni, cinga ngeemfuno zangoku kunye noko i-net inokulawula kwiminyaka emihlanu okanye elishumi.

Iindleko Ezifihlakeleyo

Ukufakwa kwe-fibre optic, kuquka iintambo ze-fiber optic ze-multimode kunye nentambo ye-fiber optic ye-singlemode, zithwala okungaphezulu kuneendleko zokuqala zestikha. Iindleko ezininzi ezifihlakeleyo zinokuvela ngexesha leprojekthi okanye emva kweminyaka, nto leyo echaphazela kakhulu uhlahlo-lwabiwo mali lulonke.

Ixabiso leTransceiver

Iitransceiver zibalulekile ekuvumeleni imiqondiso yokukhanya ukuba ingene kwaye iphume kwiintambo zefayibha. Kwifayibha yemowudi enye, iitransceivers zihlala zibiza kakhulu kune-multimode. Oko kungenxa yokuba ii-optics zemowudi enye zifuna iilaser ezithile ukuze zidlulise imiqondiso ubude obuziikhilomitha ezimbalwa. Nangona intambo ibiza kakhulu, ii-optics zinokuba yeyona nto ikuphazamisayo kwi-wallet yakho.

Ii-transceivers ze-Multimode zifikeleleka lula kodwa zisebenza kumgama omfutshane, ngesiqhelo zingamakhulu ambalwa eemitha. Ukuba ukhetha ii-fibers ze-multimode ezikumgangatho ophezulu ukuze ufumane ukufikelela okongezelelweyo okanye i-bandwidth, ukonga kwe-transceiver kunokuphela ngokukhawuleza. Ukukhetha ii-optics ezihambelanayo kubalulekile—ukusebenzisa uhlobo olungalunganga kunokuguqulela ekuthengeni iintambo ezongezelelweyo zehardware okanye ze-mode conditioning, nganye ibangela iindleko ezifihlakeleyo. Ukucwangcisa ukuphuculwa kwexesha elide, ukuphelelwa lixesha kunye nokukhetha ii-optics ze-OEM kunokunceda ukugcina ezi ndleko zilawulwa.

Isakhono sokufaka

Ukufumana iinkqubo zefayibha kwi-intanethi akuyonto ilula nje yokuxhuma iintambo. Kufuna izandla zobugcisa. Imicu yefayibha incinci kwaye iyaphuka, ngoko ke intshukumo enye engalunganga inokonakalisa ikhonkco okanye ilahle isignali. Ukufakelwa kakubi kunokulingana neentloko ezibuhlungu, iisignali eziwileyo kunye nexesha elilahlekileyo ekuhambeni kwexesha.

Iingcali zobugcisa ezinamava ziyaqonda indlela yokudibanisa, ukudibanisa, kunye nokukhusela ezi ntambo. IKHUPHONI): Uqeqesho lubiza kakhulu, kodwa luhlawula xa intambo ingasebenzi kakuhle kwaye intambo isetyenziswa ixesha elide. Njengoko ubhajetha, kububulumko ukubandakanya iindleko zabafaki abasemgangathweni, kungekuphela nje izixhobo.

Izixhobo zovavanyo

Uluhlu lokujonga izixhobo zovavanyo:

• Imitha yamandla e-Optical: ilinganisa amandla esignali, isitshixo semowudi enye kunye nemowudi ezininzi.

• Umthombo wokukhanya: ujonga ukuqhubeka kwentambo.

• I-Optical time-domain reflectometer (OTDR): ifumana iimpazamo, iqikelela ubude bekhebula.

• Isixhobo sokubona iimpazamo ezibonakalayo: amabala aqhekekileyo kwaye agobile.

• I-microscope yokuhlolwa: iqinisekisa ukuba izihlanganisi zicocekile.

Ukuthenga okanye ukuqesha ezi zixhobo akubizi mali ingako. Uvavanyo aluyonto eyenzeka kube kanye—iinethiwekhi zifuna uvavanyo oluqhubekayo ukuze zihlale zithembekile kwaye zikhawuleza. Izixhobo ezifanelekileyo zenza kube lula ukubamba iingxaki kwangethuba, kwaye iindleko zinokunyuka, ngakumbi kwiindlela ezinkulu okanye ezixutyiweyo zokulungisa i-fiber.

Ngaphaya Kweziseko

I-Fiber optics ayipheleli nje kwi-single mode xa ithelekiswa ne-multimode fiber optic cable; imalunga nokuqonda ukuba i-signal yakho ihamba ngokukhawuleza kangakanani, ikude kangakanani, kwaye icacile kangakanani. Ukujonga iinkcukacha zobugcisa zokusasazwa kunye ne-multiplexing kukulungiselela ukuba wenze izigqibo ezikrelekrele xa uyila iziko ledatha elitsha okanye uphucula isiseko senethiwekhi yekhampasi.

Ukusasazwa kweModal

Ukusasazwa kweModal kwenzeka kwiifayibha ze-multimode kuba ukukhanya akuhambi ngendlela ethe ngqo—kubonakala kwiindlela ezahlukeneyo, okanye kwiindlela, ngaphakathi kwesiseko esikhulu sefayibha. Ezi ndlela zahlukeneyo zibangela ukuba ii-pulses zokukhanya zifike ngamaxesha ahlukeneyo kancinci, nto leyo efihla isignali kwaye ivale ukufikelela kwayo kunye nesantya sayo, ingakumbi kwisantya esiphezulu. Umzekelo, i-OM1 multimode fiber inikezela ngeemitha ezingama-33 kuphela kwi-10G, i-OM2 ziimitha ezingama-82 kuphela—uphahla olusemthethweni lokuphucula ngamandla.

• Khetha iifayibha ze-multimode eziphezulu (OM3, OM4, okanye OM5) ukuze ufumane i-bandwidth eyandisiweyo kunye nokufikelela.

• Sebenzisa iimodyuli zokulungisa isignali ukucoca iipulse.

• Gcina ifayibha yemowudi enye ukuze ufumane amakhonkco ahamba ngesantya esiphezulu, akude.

• I-Heartbeat igcina intambo ingasebenzi kakuhle kwii-OM1 kunye ne-OM2 ezindala.

Ukuba wenza nantoni na engaphaya kokunxibelelana kweeofisi okungenamsebenzi, ukusasazwa kweendlela zekhompyutha kufuneka kufumane indawo kuluhlu lwakho lokuhlola.

Ukusasazeka kweChromatic

Ukusasazwa kweChromatic kuphuma intloko kuba ayizizo zonke imibala (ubude bamaza) bokukhanya ezihamba ngesantya esifanayo ngeglasi. Kwimijikelo emide, ngakumbi kwifayibha yemowudi enye, oku kubangela ukusasazeka kwesignali - iipulses zinokuphuma igazi kunye, nto leyo eyenza idatha ibe nzima ukuyiqonda kwelinye icala. Le yingxaki enkulu njengoko usiya ngokukhawuleza okanye kude, cinga ngee-cross-country fiber links.

I-Single mode fiber core (8–10 microns) inceda ekunciphiseni i-modal dispersion, kodwa i-chromatic dispersion ihlala ikhona. Kwiinethiwekhi zokuhamba ixesha elide, iinjineli zisebenzisa i-dispersion-compensing fibers, ezinokudlula ngaphaya kweekhilomitha ezingama-200. Zisebenzisa i-laser ezinqamlezileyo kunye nezixhobo ze-electronic compensation ukugcina imiqondiso icocekile.

Ukwahlulahlula iWavelength Division

I-Wavelength division multiplexing, okanye i-WDM, yonyusa amandla efayibha ngokuvumela imiqondiso emininzi phezu kwamaza ahlukeneyo ukuba isasazeke kwintambo efanayo ye-multimode fiber optic ngaxeshanye. Kufana nokuguqula indlela enye ibe yindlela enkulu, okukuvumela ukuba usebenzise kakhulu iintambo zakho ze-fiber optic ezifakiweyo, nto leyo egcina indawo kunye nemali. Olu buchule lubalulekile kwiinethiwekhi ze-metro okanye ze-backbone apho ukubeka ezinye iintambo ze-fiber optic zemveli kungasoloko kusenzeka.

I-WDM ayilophawu lokudlala; ukukhetha ii-laser ezifanelekileyo, ii-amplifier, kunye nezihluzi ezihambelana namaza okukhanya achanekileyo kubalulekile. Oku kuqinisekisa ukuba imiqondiso ayiphumi okanye ayitshoni, okuvumela ukwanda kwamandla e-bandwidth ukuba kuyimfuneko.

Ukujonga Phambili

Ukuzazi ezi ngcamango—i-modal kunye ne-chromatic dispersion, i-WDM, kunye nomahluko phakathi kwe-multimode fiber optic cable kunye ne-singlemode fiber optic cable—kuthetha ukuba awukhethi nje iintambo, wenza inethiwekhi ekhawulezayo, ecacileyo, nelungele oko kuza kwenzeka.

Ukuqinisekisa Ikamva Lenethiwekhi Yakho

Ukukhula kwixesha elizayo akukude engqondweni yakho xa usakha inethiwekhi. Akukho mntu ufuna ukukrazula iintambo okanye ukutshintsha izixhobo rhoqo emva kweminyaka embalwa, ngoko ke ukucwangcisa kuyimfuneko. Ukukhula kwesakhiwo kubalulekile—kufana nokuthenga indlu enamagumbi ongezelelweyo, ukuze ube nendawo yokukhula kuyo. Iinethiwekhi kufuneka zixhase ithrafikhi engakumbi, izixhobo ezintsha, kunye nesantya esikhawulezayo ukuya phambili. Yiyo loo nto ukukhetha iintambo ze-fiber optic kunye nehardware ezingayi kuphelelwa lixesha ngokukhawuleza kubalulekile.

I-Fiber lukhetho oluhle kakhulu lokukhusela inethiwekhi yakho kwixesha elizayo njengoko inokudlulisa idatha engaphezulu kune-copper. Ukusasaza, ilifu, kunye nokudluliselwa kweefayile ezinkulu zonke zifuna amandla aphezulu e-bandwidth. I-Fiber ijongana nezi zinto ngaphandle kokubila. Kumashishini amakhulu, amaziko edatha, okanye amaziko emfundo, oku kuthetha ukuba akukho nkxalabo ingako malunga nemiqobo eqhubekayo, ingakumbi xa kusetyenziswa iintambo ze-fiber optic ze-singlemode.

Ifayibha yemowudi enye isebenza kakuhle xa kuqhutywa ixesha elide. Uyifumana kwiinethiwekhi zesixeko, kwizakhiwo zeeofisi ezidibanisayo, okanye kwiindawo ezinkulu zedatha ezinezithuba ezinkulu phakathi kweerakhi. Ingathumela imiqondiso naphi na ukuya kuthi ga kwiikhilomitha ezingama-40 ngaphandle koncedo. Oku kukhulu ukuba ufuna inethiwekhi enye igubungele ikhampasi okanye idibanise iindawo ezikude. Nantsi into emnandi, igiya yemowudi enye idla ngokuba nexabiso eliphezulu lokuqala, kodwa ekuhambeni kwexesha, ngakumbi xa kuqhutywa ixesha elide kunye nesantya esiphezulu, ihlala ihlawulela yona.

I-Multimode fiber ilunge ngakumbi kwi-wallet xa uqhuba i-short run—ngaphakathi kwesakhiwo, okanye kumgangatho. Ayinakufikelela okanye idlulisele ulwazi oluninzi kangako. Iindidi ezintsha ezifana ne-OM5 fiber zinokunceda—nge-bandwidth exhasa ukuya kuthi ga kwi-28000 MHz/km—kodwa nangona kunjalo, ayenzelwanga unxibelelwano oluhamba phakathi kwedolophu. I-Multimode yee-short hops kunye noqwalaselo olulula, i-single-mode yezicwangciso zakho ezinkulu.

Ukuceba isantya esiphezulu akupheleli nje kwiintambo. Khetha ii-transceivers kunye neeswitshi ezihambelana neemfuno zakho zexesha elizayo. Lumka ukulahleka kwesiginali kunye nokuncitshiswa—ezi zinto zonakalisa isantya senethiwekhi kwaye zibangela ukuwa. Ukusebenzisa iintambo ze-fiber optic ezisemgangathweni kunye nezihlanganisi ezifanelekileyo kugcina ukuthembeka kwesiginali.

Ixabiso liza kuhlala libalulekile. I-Multimode ibiza kancinci kwiindlela ezimfutshane, kodwa i-single-mode iba yeyongayo njengoko iimfuno zakho zisanda. Isigqibo esichanekileyo sigcina iintloko kunye nemali ekuhambeni kwexesha.

Isiphelo

I-single mode kunye ne-multimode fiber zombini zibonelela ngeenzuzo zokwenyani. I-single mode ilungele ukufikelela ixesha elide kunye nesantya esikhawulezayo. I-Multimode ifanela ukubaleka okufutshane kunye neemfuno zeendleko eziphantsi. Zombini ezi ntlobo zibonelela ngeenzuzo ezicacileyo zoqwalaselo ezahlukeneyo. I-Fiber ayisiyonto nje yobuchwephesha, yindlela esiqhagamshelana ngayo kwaye sabelane ngayo. Iofisi encinci, ikhampasi enkulu okanye isiqalo esikhula ngokukhawuleza, indawo nganye ityhila ukujikeleza okutsha. Iindleko, izixhobo kunye nezicwangciso zokwandisa zonke zichaphazela. Ukujonga phambili, i-fiber ihambelana inyathelo ngenyathelo. Ukuze ufumane okufanelekileyo, cinga ngeemfuno zakho kwaye ujongane nemibuzo enzima. Ngaba ufuna ukufunda okungakumbi okanye ufuna uncedo oluncinci lokukhetha i-fiber efanelekileyo? Nxibelelana nathi kwaye siza kuthetha ngento ekusebenzelayo.

Imibuzo ebuzwa qho

Yintoni umahluko omkhulu phakathi kwe-single mode kunye ne-multimode fiber?

Intambo ye-fiber optic yemowudi enye isebenzisa i-core encinci yokudlulisa idatha ekude, ngesantya esiphezulu, ngelixa iintambo ze-fiber optic zemowudi ezininzi, ezine-core enkulu, zilungele imigama emifutshane kunye nezisombululo ezingabizi kakhulu.

Loluphi uhlobo lwefayibha olungcono ekudlulisweni kwedatha kumgama omde?

Intambo ye-fiber optic yemowudi enye ifanelekile kunxibelelwano lomgama omde, ixhasa umgama omde kakhulu kwaye ayinciphisi kangako kuneentambo ze-fiber optic ze-multimode eziqhelekileyo.

Ngaba i-fiber ye-multimode ifikeleleka lula kune-fiber ye-single mode?

Yinyani, iintambo ze-fiber optic ze-multimode kunye nezixhobo zidla ngokuba zixabiso eliphantsi, kodwa iindleko zexesha elide zinokwahluka ngokusekwe kubuchule be-bandwidth yenethiwekhi yakho.

Ngaba ndingayiphucula ngokulula i-fiber ye-multimode ukuya kwi-single mode?

Inokuba nzima ngeentambo ze-fiber optic ze-singlemode kunye neentambo ze-fiber optic ze-multimode kusetyenziswa izixhobo ezahlukeneyo, ngoko ke ukucinga phambili kuthintela ukuphuculwa okubizayo.

Loluphi uhlobo lwefayibha olulula ukuyifaka nokuyigcina ikwimeko entle?

Intambo ye-fiber optic ye-Multimode idla ngokuba lula kwaye ingabizi kakhulu ukuyisebenzisa, ingakumbi kumgama omfutshane.

Ndingakhetha njani phakathi kwe-single mode kunye ne-multimode fiber kwinethiwekhi yam?

Cinga ngeemfuno zakho zomgama, iimfuno zesantya, kunye nohlahlo-lwabiwo mali xa ukhetha phakathi kwentambo ye-fiber optic yemode enye yezicelo ezikhawulezayo nezihamba ixesha elide kunye neentambo ze-fiber optic zemode ezininzi zokusetyenziswa okufutshane nokungabizi kakhulu.

Ngaba i-single mode fiber inokuba luncedo kwixesha elizayo kune-multimode fiber?

Intambo ye-fiber optic yemowudi enye inika amandla okwandisa amandla e-bandwidth yexesha elizayo kunye neemfuno zomgama, nto leyo eyenza ukuba ibe lukhetho oluhle kakhulu lokukhusela inethiwekhi yakho kwixesha elizayo.