A ibhokisi le-fiber optic, kufaka phakathi kokubiliibhokisi le-fiber optic yangaphandlefuthiibhokisi le-fiber optic langaphakathiamamodeli, aguqula izimpawu zokukhanya kusuka ku-ibhokisi lekhebula le-fiber opticukuxhumana kwedatha yedijithali ukuze kusetshenziswe i-inthanethi. Ngokungafani namamodemu endabuko, acubungula izimpawu zikagesi, ubuchwepheshe be-fiber optic bunikeza isivinini esilinganayo esifinyelela ku-25 Gbps,ukubambezeleka okuphansi, kanye nokuthembeka okumangalisayo.Ukuxhumeka kwe-fibre optic pigtailukunciphisa kakhulu ukuphazamiseka nokuminyana, okwenza i-fiber ibe yisinqumo esikhethwayo se-inthanethi yesimanje, esheshayo.
Izinto Ezibalulekile Okufanele Uzicabangele
- Amabhokisi e-fiber opticsebenzisa izimpawu zokukhanya ukuze ulethe i-inthanethi esheshayo nethembekile enesivinini esifinyelela ku-25 Gbps, idlula kakhulu amamodemu endabuko athembele ezimpawini zikagesi futhi anikeza isivinini esiphansi.
- Ama-modem aguqula idatha yedijithali ibe amasignali afanele izintambo zethusi noma zekhebula, okwenza kube lula ukufinyelela i-inthanethi kodwa ngemikhawulo yesivinini, ibanga, kanye nokubambezeleka uma kuqhathaniswaubuchwepheshe be-fiber optic.
- Ukukhetha amabhokisi e-fiber optic kuqinisekisa ukuphepha okungcono, amazinga aphansi okuhluleka, kanye namanethiwekhi angamelana nekusasa, okwenza kube kuhle emakhaya nasemabhizinisini afuna ukusebenza okuphezulu kanye nokukhula.
Ibhokisi le-Fiber Optic: Liyini Futhi Lisebenza Kanjani
Incazelo kanye nomsebenzi oyinhloko
A ibhokisi le-fiber opticisebenza njengesikhungo esiyinhloko sokuphatha nokuvikela izintambo ze-fiber optic kokubili kumanethiwekhi okuhlala kanye nawebhizinisi. Le divayisi ihlela ukuxhumana kwezintambo, ivikela izintambo ekulimaleni kwemvelo kanye nokwemishini, futhi iqinisekisa ukudluliswa kwedatha okuzinzile, okusheshayo. Amabhokisi e-fiber optic esimanje asetshenziswaizixhumi ezisheshayo kanye nama-adaptha aqinileukunciphisa ukulahleka kwesignali nokunikeza ukuxhumana okusheshayo nokuthembekile. Amamodeli amaningi anesilinganiso sokuvimbela amanzi se-IP68, okuqinisekisa ukuqina ezimweni ezinzima. Lawa mabhokisi asekela nokukhula kwenethiwekhi, okuvumela ukwanda okulula njengoba izidingo ze-inthanethi zikhula. Ama-splitter e-optical ngaphakathi kwebhokisi ahlukanisa amasignali angenayo, okwenza umugqa owodwa wefayibha usebenze kahle kubasebenzisi abaningi noma amadivayisi. Izindawo zodonga ze-fibre optic, ezivame ukuhlanganiswa nala mabhokisi, zixhuma ngqo kumadivayisi abasebenzisi futhi zilethe idatha esheshayo kakhulu ngaphandle kokuphazamiseka okukhulu.
Qaphela: Amabhokisi e-fiber optic adlala indima ebalulekile ekuvikeleni amanethiwekhi esikhathini esizayo, okwenza abe abalulekile kwi-inthanethi ethembekile, esheshayo emakhaya, emabhizinisini nasezindaweni zezimboni.
Indlela Ibhokisi Le-Fiber Optic Eliguqula Ngayo Izimpawu Zokukhanya
Ibhokisi le-fiber optic lisebenza ngokuphatha ukuguqulwa nokusatshalaliswa kwezibonakaliso zokukhanya ezithwala idatha ngezintambo ze-optical. Ekupheleni kokudlulisela, amadivayisi afana nama-LED noma ama-laser diode akhiqiza ama-pulse okukhanya avela kumasignali kagesi. Lawa ma-pulse ahamba nge-fiber, eqondiswa ukubonakaliswa kwangaphakathi okuphelele, okugcina ukulahlekelwa kwesignali kuphansi kakhulu. Lapho ukukhanya kufinyelela ebhokisini le-fiber optic, ama-photodiode aguqula ukukhanya kube yizibonakaliso zikagesi ukuze kusetshenziswe ama-router noma amanye amadivayisi enethiwekhi. Ama-amplifier ngaphakathi kwesistimu agcina amandla esignali ebangeni elide, esekela ukudluliswa kwedatha kumashumi noma ngisho namakhulu amakhilomitha. Ubuchwepheshe be-multiplexing, njenge-wavelength division multiplexing (WDM), buvumela ukusakazwa kwedatha okuningi ukuthi kuhambe ngesikhathi esisodwa kuma-wavelength ahlukene, okwandisa kakhulu isivinini se-bandwidth kanye nokuxhumana. Ukuhlolwa kwensimu kukhombisile ukuthi lezi zinhlelo zingadlulisa idatha ngaphezu kwamakhilomitha ayi-150 zisebenzisa ama-wavelength amaningi, okubonisa ukusebenza kahle kweamabhokisi e-fiber opticekusekeleni uxhumano lwe-inthanethi olusheshayo noluthembekile.
Imodemu: Inhloso kanye Nokusebenza
Incazelo kanye nomsebenzi oyinhloko
I-modem, efushaniswe ne-modulator-demodulator, isebenza njengedivayisi ebalulekile ekuxhumekeni kwe-inthanethi yesimanje. Iguqula idatha yedijithali kusuka kumakhompyutha noma kuma-router ibe yizimpawu ze-analog ezingahamba ngemigqa yocingo evamile. Lapho idatha ifika kusuka ku-inthanethi, i-modem iguqula le nqubo, ishintshe izimpawu ze-analog zibuyele kudatha yedijithali ukuze isetshenziswe amadivayisi axhunyiwe. Ama-modem okuqala asebenza ngesivinini esiphansi kakhulu, njengama-bits angu-300 ngomzuzwana, kodwa ubuchwepheshe buthuthuke kakhulu. Ama-modem e-broadband anamuhla angafinyelela isivinini ngamakhulu ama-megabits ngomzuzwana. Ngaphakathi, i-modem iqukethe isilawuli, abaguquli be-digital-to-analog kanye nabaguquli be-analog-to-digital, kanye nelungiselelo lokufinyelela idatha. Kunezinhlobo ezahlukene zama-modem, kufaka phakathi amamodeli e-dial-up, aqashiwe, i-broadband, kanye nesofthiwe. Uhlobo ngalunye lukhonza izidingo ezithile zenethiwekhi kanye nezindlela zomzimba.
Amamodemukusabalulekile ekuxhumeni amakhaya namabhizinisi kwi-inthanethi, kulungiswa amafomethi edatha ukuze ahambisane nezinhlobo ezahlukene zesevisi.
- Amamodemu avala igebe phakathi kwenethiwekhi yendawo ne-inthanethi ngokuhumusha izimpawu ezivela kumhlinzeki wesevisi ye-inthanethi (i-ISP) zibe idatha engasetshenziswa amadivayisi.
- Zisekela izindlela ezahlukene zomzimba, njenge-DSL, ikhebula, noma i-fiber, okuqinisekisa ukuhambisana okubanzi.
- Amamodemu avumela ukufinyelela i-inthanethi ngqo ngokuxhumanisa indawo yomsebenzisi nengqalasizinda ye-ISP.
- Amamodemu amaningi esimanje ahlanganiswa nama-router, ahlinzeka ngokuphathwa kwenethiwekhi kanye nezici zokuphepha.
- Amadivayisi e-modem-router ahlanganisiwe enza kube lula ukufakwa futhi athuthukise ukuthembeka kwabasebenzisi.
- Ngaphandle kwemodemu, ukufinyelela ngqo kwi-inthanethi akunakwenzeka.
Indlela Imodemu Ecubungula Ngayo Izimpawu Zikagesi
| Isici | Amamodemu (i-Modulator-Demodulator) | Amabhokisi e-Fiber Optic (Ama-Transmitter kanye nama-Receiver) |
|---|---|---|
| Umsebenzi Wokucubungula Isignali | Ukuguqulwa nokususwa kwezimpawu zikagesi zedijithali zibe izimpawu ezifanelekela imidiya yokudlulisa kagesi. | Ama-transmitter aguqula izimpawu zedijithali zikagesi zibe izimpawu zokukhanya eziguquliwe; abamukeli baguqula izimpawu zokukhanya babuyele ezimpawini zikagesi. |
| Indlela Yokushintshashintsha | Ukuguqulwa/ukususwa kwesignali kagesi (isb., ukuguquguquka kwe-amplitude noma imvamisa). | Ukuguqulwa kwe-Electro-optical: ukuguqulwa kobukhulu bokukhanya kusetshenziswa ama-LED noma ama-laser diode; ukuguqulwa kwe-optical-electric kusetshenziswa ama-photodiode. |
| Izingxenye Eziyinhloko | Amasekethe e-Modulator kanye ne-demodulator aphatha izimpawu zikagesi. | Umthumeli: Ama-LED noma ama-laser diode alawulwa yizimpawu zikagesi; Umamukeli: ama-photodiode (i-PIN noma i-APD), ama-resistor e-bias, ama-pre-amplifier anomsindo ophansi. |
| I-Signal Medium | Imidiya yokudlulisa ugesi (isib. izintambo zethusi). | Izintambo ze-optical fiber ezithwala izimpawu zokukhanya eziguquliwe. |
| Izici Zokuguquguquka | Iguqula amaza okuthwala kagesi ukuze amele idatha yedijithali (0′s kanye no-1′s). | Iguqula amandla okukhanya ukuze amele idatha yedijithali; ama-LED ahlinzeka ngempendulo yamandla kagesi eqondile, ama-laser diode anikeza amandla aphezulu kanye nesivinini kodwa ngezici ezingezona eze-linear. |
| Amanothi Omlando/Okuklama | Amadivayisi ajwayelekile enza ukuguqulwa/ukususwa kwe-modulation. | Ama-transmitter okuqala ayeyimiklamo eyenziwe ngokwezifiso; manje amamojula e-hybrid anezifunda ezihlanganisiwe nama-diode optical; ubunzima bomklamo banda ngamazinga edatha. |
Leli thebula liqokomisa umehluko wezobuchwepheshe phakathi kwendlela ama-modem namabhokisi e-fiber optic acubungula ngayo amasignali. Ama-modem agxila kumasignali kagesi kanye nezintambo zethusi, kuyilapho amabhokisi e-fiber optic ephatha amasignali okukhanya kanye nama-fiber optic.
Ibhokisi le-Fiber Optic vs. Imodemu: Umehluko Obalulekile
Ubuchwepheshe kanye nohlobo lwesignali
Amabhokisi namamodemu e-fiber optic athembele kubuchwepheshe obuhlukene ngokuphelele ukuze adlulise idatha. Ibhokisi le-fiber optic liphatha futhi lihlele izintambo ze-fibre, liqinisekisa ukuxhumana okuzinzile kanye nokulahleka okuncane kwesignali. Aliguquli amasignali kodwa kunalokho lisebenza njengendawo yokusabalalisa ama-pulse okukhanya ahamba ngemicu yengilazi noma yepulasitiki. Ngokuphambene nalokho, i-modem isebenza njengebhuloho phakathi kwamadivayisi edijithali kanye nendawo yokudlulisela. Iguqula amasignali kagesi edijithali avela kumakhompyutha noma kuma-router abe amasignali e-analog noma e-optical, kuye ngohlobo lwenethiwekhi.
Ubuchwepheshe be-fibre optic busebenzisa izimpawu zokukhanya ezikhiqizwa ama-LED noma ama-laser diode. Lawa ma-pulse okukhanya ahamba ngemicu emincane, enikeza i-bandwidth ephezulu kanye nokungavikeleki ekuphazamisekeni kwe-electromagnetic. Ama-modem, ikakhulukazi lawo aklanyelwe amanethiwekhi e-fiber, aphatha ukuguqulwa phakathi kwezibonakaliso zikagesi neze-optical. Asebenzisa amasu okuguqula ukuze afake idatha ku-light noma ku-electric carriers. Izinhlobo ezahlukene ze-modem, njengeE1, V35, RS232, RS422, kanye ne-RS485, isekela amazinga edatha ahlukahlukene kanye namabanga, okwenza zifaneleke ezinhlelweni eziningi zenethiwekhi.
Amabhokisi e-fiber optic aphatha ngokuyinhloko ingqalasizinda yekhebula, kuyilapho amamodemu enza umsebenzi obalulekile wokuguqulwa kwesignali. Lo mehluko wakha izindima zawo kumanethiwekhi anamuhla.
Isivinini kanye nokusebenza
Isivinini kanye nokusebenza kumelela umehluko omkhulu phakathi kwamabhokisi e-fiber optic namamodemu endabuko. Amabhokisi e-fiber optic asekela ukudluliswa kwedatha ngesivinini esikhulu kakhulu, ngokuvamile afinyelela ku-25 Gbps noma ngaphezulu. Ukusetshenziswa kwama-pulse okukhanya kuvumela ukudluliswa kwedatha okusheshayo, ngesikhathi esisodwa kanye nokubambezeleka okuphansi kakhulu. Izintambo ze-fiber optic zingathwala ukusakazwa kwedatha okuningi kusetshenziswa ubuchwepheshe obufana ne-wavelength division multiplexing, okwandisa kakhulu umthamo.
Ama-modem, ikakhulukazi lawo asebenzisa izintambo zethusi, abhekene nemikhawulo kokubili isivinini kanye nebanga. Amasignali kagesi ayawohloka ebangeni elide, okuholela ekuncipheni komkhawulokudonsa kanye nokubambezeleka okuphezulu. Ngisho nama-modem ekhebula athuthukile awavamile ukuhambisana nesivinini sokulayisha nokulanda esilinganiselwe esinikezwa izinhlelo ze-fiber optic. Amabhokisi e-fiber optic, njengalawo anikezwa yi-Dowell, avumela amabhizinisi namakhaya ukufinyelelaukuxhumana kwe-inthanethi okusheshayo kakhuluezisekela ukusakaza, imidlalo, kanye nezinhlelo zokusebenza zamafu ngaphandle kokuphazamiseka.
| Isici | Ibhokisi le-Fiber Optic | Imodemu (Ithusi/Ikhebula) |
|---|---|---|
| Uhlobo Lwesignali | Ukushaya kokukhanya | Izimpawu zikagesi |
| Isivinini Esiphezulu | Kufika ku-25 Gbps+ | Kufika ku-1 Gbps (okuvamile) |
| Ukubambezeleka | Kuphansi kakhulu | Okumaphakathi kuya kokuphezulu |
| Ibanga | Amakhilomitha angaphezu kuka-100 | Kunqunyelwe (amakhilomitha ambalwa) |
| Ububanzi bomkhawulo | Kuphezulu kakhulu | Okumaphakathi |
Ukuphepha Nokuthembeka
Ukuphepha nokuthembeka kudlala indima ebalulekile ezinqumweni zengqalasizinda yenethiwekhi. Amabhokisi e-fiber optic anikeza isivikelo esiqinile ekuphazamisekeni kwe-electromagnetic, okuqinisekisa ukusebenza okuqhubekayo ngisho nasezindaweni ezinomsindo omkhulu kagesi. Izakhiwo zomzimba zezintambo ze-fiber optic zenza kube nzima ukuzithinta ngaphandle kokutholwa, okuthuthukisa ukuphepha kwedatha. Izinhlelo ze-fiber optic nazo zibhekana nokuphazamiseka okuncane futhi zidinga ukulungiswa okuncane uma kuqhathaniswa namanethiwekhi asekelwe ethusi.
Kodwa-ke, ukwakheka kwehadiwe kwamabhokisi e-fiber optic kungadala ukuphazamiseka kwe-electromagnetic (EMI), ikakhulukazi emgwaqweni noma ezingeni lasekhaya. Le EMI ingahamba ngezintambo zethusi futhi ithinte imishini kagesi ebucayi. Izinkampani ezifana neDowell zibhekana nalezi zinkinga ngokuklama amabhokisi e-fiber optic anezivikelo ezithuthukisiwe kanye nokwakhiwa okuqinile, ukunciphisa ukukhishwa kwe-EMI kanye nokuthuthukisa ukuthembeka okuphelele.
Ama-modem, ikakhulukazi lawo anezici ezithuthukisiwe, avumela abasebenzisi ukulawula ukukhishwa kwe-electromagnetic field (EMF). Amanye amamodeli avumela abasebenzisi ukuthi bakhubaze i-Wi-Fi noma basebenzise ama-router aphansi e-EMF, okunganciphisa ukuvezwa kwemvamisa yomsakazo ekhaya. Nakuba ama-modem ekhebula anganikeza ukulawula okwengeziwe komsebenzisi ku-EMF, awakwazi ukufanisa izinzuzo zokuphepha nokuthembeka ezingokwemvelo zobuchwepheshe be-fiber optic.
Icebiso: Kubasebenzisi abafuna izinga eliphezulu lokuphepha nokuthembeka, amabhokisi e-fiber optic avela kubakhiqizi abadumile njengoDowell ahlinzeka ngesisombululo esivikela ikusasa kokubili kumanethiwekhi asekhaya namabhizinisi.
Ibhokisi le-Fiber Optic kanye neModemu ekusethweni kwasekhaya nakwebhizinisi
Ukuhlanganiswa Okuvamile Kwenethiwekhi Yasekhaya
Amanethiwekhi asekhaya namuhla avame ukuthembela engqalasizinda ethuthukisiwe ukuze alethe i-inthanethi esheshayo nethembekile kuwo wonke amakamelo. Imindeni eminingi isebenzisaizintambo ze-fiber optic, njenge-PureFiber PRO, ukuze kufezwe isivinini semodemu esigcwele kulo lonke ikhaya. Le ndlela iqeda ukulibaziseka kanye nokwehla kwesivinini okuvame ukwenzeka ngezintambo ze-CAT zendabuko. Izakhamuzi zivame ukufaka i-fiber enamachweba amane kuma-adapter e-Ethernet ezindaweni zokuhlala, okuvumela amadivayisi amaningi—njenge-Smart TV, ama-consoles okudlala, amafoni e-VOIP, kanye nezindawo zokufinyelela ze-WiFi—ukuxhuma ngasikhathi sinye. Amanye amakhaya axhumanisa lawa ma-adapter ekhabetheni likagesi, okwenza kube nokushintshana kwamachweba amaningi okungandiswa ukuze kwandiswe esikhathini esizayo.
Abaklami benethiwekhi bavame ukusebenzisa ama-pigtails e-MPO kuya ku-LC fiber breakout, ahlinzeka ngokuxhumeka okuningana kwe-fiber okuzimele ngekhebula ngalinye. Lokhu kusetha kuvumela amanethiwekhi ahlukene ngezinjongo ezahlukene, njengokusebenzela ekhaya, ukuzenzakalela kwekhaya okuhlakaniphile, noma ukuphequlula okuphephile kwengane. Amadivayisi anezikhala ze-SFP kanye nokusekelwa kwe-HDMI 2.1 angaxhuma ngqo, avumele ukusakaza ividiyo ye-4K noma ye-8K engacindezelwanga. Abanikazi bezindlu bayazuza ekufakweni kwe-plug-and-play, amapuleti odonga aguquguqukayo, kanye nokuthuthukiswa kwekhebula okulula. Lezi zici ziqinisekisa i-bandwidth ephezulu, akukho ukulibaziseka, kanye nokuvikela ikusasa kwezidingo zedijithali ezishintshayo.
Izinto Okucatshangelwayo Ngenethiwekhi Yebhizinisi
Amabhizinisi adinga ingqalasizinda yenethiwekhi eqinile, ekwazi ukukhuliswa, nephephile. Izinhlangano zivame ukusebenzisa ama-terminal enethiwekhi ye-optical (ama-ONT) ukuguqula amasignali e-optical abe amasignali kagesi ukuze asetshenziswe ngaphakathi kwamanethiwekhi ehhovisi. Ama-ONT ngokuvamile anikeza amachweba amaningi e-Ethernet asheshayo, ukwesekwa kwe-VoIP, kanye nezici zokuphepha ezithuthukisiwe ezifana nokubethela kwe-AES. Izinkampani zixhuma ama-ONT kuma-router asheshayo kanye nama-switch e-Gigabit, zisabalalisa ukufinyelela kwe-inthanethi kuwo wonke ama-department kanye namadivayisi.
Ithebula elingezansi lifingqa ukuhlanganiswa kobuchwepheshe:
| Isici | Amabhokisi e-Fiber Optic(ONTs) | Amamodemu |
|---|---|---|
| Umsebenzi Oyinhloko | Ukuguqulwa kokukhanya kube ugesi | Ukuguqulwa kwesiginali ye-DSL/ikhebula |
| Ukuthobela Izindinganiso | I-GPON, i-XGS-PON | Izindinganiso ze-DSL/zekhebula |
| Ukucushwa Kwembobo | Amachweba amaningi e-Ethernet asheshayo | Amachweba e-Ethernet |
| Izici Zokuphepha | Ukubethela kwe-AES, ukuqinisekiswa | Okuyisisekelo, kuyahlukahluka ngemodeli |
| Izici Ezengeziwe | Isipele sebhethri, i-VoIP, i-LAN engenantambo | Ukuguqulwa kwesignali okuyisisekelo |
Izifundo zamacala zibonisa ukuthi izinhlangano ezifana ne-Eurotransplant zinciphise izindleko eziphelele zobunikazi ngo-40% zisebenzisa izixazululo ze-fiber optic zezikhungo zedatha ezibalulekile. Abahlinzeki bezinsizakalo, njenge-Netomnia, bakhe amanethiwekhi angalinganiswa asekela ukukhula kwe-800G ngobuchwepheshe obuthuthukisiwe be-fiber optic. Lezi zibonelo ziqokomisa ushintsho oluvela kumamodemu endabuko kuya kwizixazululo ezisekelwe ku-fiber, oluqhutshwa isidingo se-bandwidth ephezulu, ukuthembeka, kanye nengqalasizinda elungele ikusasa.
Ukukhetha Phakathi Kwebhokisi Le-Fiber Optic Ne-Modem
Izici Okufanele Uzicabangele: Isivinini, Umhlinzeki, kanye Nokuhambisana
Ukukhetha idivayisi efanele yokuxhumeka kwe-inthanethi kudinga ukuhlolwa ngokucophelela kwezici eziningana. Ijubane liyindaba eyinhloko kubasebenzisi abaningi. Izinhlelo ezisekelwe ku-fiber zinikeza i-bandwidth ephezulu kakhulu kunezinye izindlela zekhebula noma ze-DSL. Isibonelo, amanethiwekhi e-fiber anganikeza i-upstream throughput efinyelela ku-40 Gb/s eyabelwana phakathi kwabasebenzisi, kuyilapho izinhlelo zekhebula ezisebenzisa i-DOCSIS 3.1 zivame ukufinyelela ku-1 Gb/s kuphela. I-Latency nayo ihluke kakhulu. Ukuxhumeka kwe-fiber kuvame ukugcina i-latency engaphansi kwama-millisecond angu-1.5, ngisho nasebangeni elide. Izinhlelo zekhebula, ngakolunye uhlangothi, zingase zithole i-latency eyengeziwe esukela kuma-millisecond angu-2 kuya kwangu-8 ngenxa yezinqubo zokwabiwa kwe-bandwidth. I-latency ephansi kanye ne-bandwidth ephezulu kuphumela kokuhlangenwe nakho okubushelelezi kwemisebenzi efana ne-video conferencing, imidlalo ye-inthanethi, kanye ne-virtual reality.
Abahlinzeki badlala indima ebalulekile ekukhetheni amadivayisi. Abanye abathwali bahlinzeka ngemishini yendawo yamakhasimende, njengamamodemu noma ama-router, ngaphandle kwezindleko ezengeziwe. Iziqondiso zomthetho zidinga abahlinzeki ukuthi bahlangabezane nemikhawulo yokusebenza eqinile. Okungenani u-80% wokulinganiswa kwesivinini kumele ufinyelele ku-80% wesivinini esidingekayo, kanti u-95% wokulinganiswa kokulibaziseka kumele uhlale kuma-millisecond ayi-100 noma ngaphansi kwawo. Abahlinzeki kumele futhi benze ukuhlolwa kwesivinini kanye nokulibaziseka ngesikhathi samahora aphezulu ukuqinisekisa ukusebenza okulinganayo. Lezi zidingo zisiza abasebenzisi ukuthi baqhathanise ikhwalithi yesevisi kubahlinzeki abahlukene.
Ukuhambisana kusalokhu kuyisici esibalulekile. Akuwona wonke amadivayisi asebenza kahle kuzo zonke izinhlobo zenethiwekhi. Abaguquli bemidiya namamodemu bafeza izinjongo ezahlukene. Abaguquli bemidiya baphatha ukuguqulwa okulula kwesignali phakathi kwesignali ye-optical nekagesi, kuyilapho amamodemu enza ukuguqulwa kwe-modulation kanye nokususwa kwe-demodulation yokuxhumana kwedijithali. Abasebenzisi kufanele baqinisekise ukuthi idivayisi abayikhethile isekela amaphrothokholi kanye nezixhumi ezidingekayo endaweni yabo yenethiwekhi.
| Isici | Izinhlelo Ezisekelwe Ku-Fiber | Izinhlelo zekhebula/ze-DSL |
|---|---|---|
| Umkhawulokudonsa Omkhulu | Kufika ku-40 Gb/s (okwabelwana ngakho) | Kufika ku-1 Gb/s (DOCSIS 3.1) |
| Ukubambezeleka Okuvamile | < 1.5 ms | 2–8 ms |
| Indima Yomhlinzeki | Ngokuvamile inikeza i-ONT/Router | Ngokuvamile inikeza iModemu/iRouter |
| Ukuhambisana | Idinga idivayisi elungele ifayibha | Idinga imodemu yekhebula/ye-DSL |
Icebiso: Njalo qinisekisa ukuhambisana kwedivayisi nomhlinzeki wakho wesevisi ye-inthanethi ngaphambi kokuthenga.
A ibhokisi le-fiber opticiphatha idatha esekelwe ekukhanyeni enamazinga okuhluleka aphansi kunama-modem, njengoba kuboniswe ngezansi:
| Ingxenye | Izinga Lokwehluleka (Lonyaka) |
|---|---|
| Ikhebula le-Fiber-Optic | 0.1% ngemayela |
| Ama-Optical Receivers | 1% |
| Ama-Transmitter Optical | 1.5–3% |
| Setha Ama-Terminal / Ama-Modem Aphezulu | 7% |
Iningi labasebenzisi liyazuza ngesivinini, ukuthembeka, kanye nomklamo ovikela ikusasa we-ibhokisi le-fiber optic.
Ngu: Eric
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Isikhathi sokuthunyelwe: Julayi-08-2025