Mokhoa o le mong fiber optic cablelethapo ya mefuta e mengata ya fiber opticsebeletsa merero e fapaneng, e etsa hore li se lumellane bakeng sa tšebeliso e ka fapanyetsanoang. Liphapang tse kang boholo ba mantlha, mohloli oa leseli, le mefuta ea phetiso e ama ts'ebetso ea tsona. Mohlala, thapo ea fiber optic ea mefuta e mengata e sebelisa li-LED kapa li-laseser, ha thapo e le 'ngoe ea fiber optic e sebelisa li-lasers ka mokhoa o ikhethileng, ho netefatsa phetiso e nepahetseng ea mats'oao libakeng tse telele lits'ebetsong joalo ka.thapo ea fiber optic bakeng sa telecomlethapo ea fiber optic bakeng sa FTTH. Tšebeliso e fosahetseng e ka lebisa ho senyeha ha matšoao, ho se tsitse ha marang-rang, le litšenyehelo tse phahameng. Bakeng sa ts'ebetso e nepahetseng maemong a kangthapo ea fiber optic bakeng sa setsi sa dataLisebelisoa, ho bohlokoa ho khetha thapo e nepahetseng ea fiber optic.
Lintlha tsa bohlokoa
- Lithapo tsa mofuta o le mong le tse nang le mefuta e mengata li sebelisetsoamesebetsi e fapaneng. U ke ke ua li fapanyetsana. Khetha e nepahetseng bakeng sa litlhoko tsa hau.
- Lithapo tsa mofuta o le mong li sebetsa hantle bakeng sasebaka se selelelele lebelo le phahameng la data. Li ntle bakeng sa telecom le litsi tsa data.
- Lithapo tsa mefuta e mengata li bitsa tlase qalong empa li ka bitsa ho feta hamorao. Sena ke hobane ba sebeletsa sebaka se khuts'oane mme ba na le lebelo le tlase la data.
Phapang ea Teknoloji Pakeng tsa Multi-Mode le Single Mode Cables
Core Diameter le Mohloli oa Leseli
The core diameter ke phapang ea mantlha lipakeng tsalikhoele tse nang le mefuta e mengata le mefuta e le 'ngoe. Lithapo tsa mefuta e mengata hangata li na le li-diameter tse kholoanyane tsa mantlha, ho tloha ho 50µm ho isa ho 62.5µm, ho latela mofuta (mohlala, OM1, OM2, OM3, kapa OM4). Ka lehlakoreng le leng, thapo e le 'ngoe ea fiber optic e na le bophara bo bonyenyane haholo bo ka bang 9µm. Phapang ena e ama ka ho toba mofuta oa mohloli oa leseli o sebelisoang. Lithapo tse nang le mefuta e mengata li itšetlehile ka li-LED kapa li-laser diode, ha lithapo tsa mofuta o le mong li sebelisa laser feela bakeng sa phetisetso ea leseli e nepahetseng le e tsepamisitsoeng.
| Mofuta oa Cable | Core Diameter (microns) | Mofuta oa Mohloli oa Leseli |
|---|---|---|
| Multimode (OM1) | 62.5 | LED |
| Multimode (OM2) | 50 | LED |
| Multimode (OM3) | 50 | Diode ea laser |
| Multimode (OM4) | 50 | Diode ea laser |
| Mokhoa o le mong (OS2) | 8–10 | Laser |
Mokotla o monyane oathapo e le 'ngoe ea fiber optice fokotsa ho hasana ha modal, ho e etsa hore e lokele lits'ebetso tsa sebaka se selelele.
Bohole ba Phetiso le Bandwidth
Lithapo tse nang le mochini o le mong li ipabola ho fetisetsoang sebaka se selelele le matla a bandwidth. Ba khona ho fetisa data bohole ba lik'hilomithara tse 200 ka bandwidth e se nang moeli. Ka lehlakoreng le leng, lithapo tsa mefuta e mengata li lekanyelitsoe libakeng tse khuts'oane, hangata lipakeng tsa 300 le 550 metres, ho latela mofuta oa cable. Mohlala, likhoele tsa mefuta e mengata tsa OM4 li tšehetsa lebelo la 100Gbps ho feta sebaka se phahameng sa limithara tse 550.
| Mofuta oa Cable | Boholo bo Hole | Bophahamo ba motlakase |
|---|---|---|
| Mokhoa o le Mong | 200 km | 100,000 GHz |
| Multi-Mode (OM4) | 550 limithara | 1 GHz |
Sena se etsa hore mohala o le mong oa fiber optic e be khetho e ratoang bakeng sa lits'ebetso tse hlokang phetisetso ea data ka lebelo le holimo libakeng tse telele.
Boleng ba Letšoao le Tlhokomelo
Boleng ba matshwao le attenuation le tsona li fapane haholo lipakeng tsa mefuta ena e 'meli ea li-cable. Lithapo tsa mofuta o le mong li boloka botsitso ba matšoao a holimo maetong a malelele ka lebaka la ho fokotseha ha mokhoa oa ho hasana. Lithapo tse nang le mefuta e mengata, ka boholo ba tsona bo boholo ba mantlha, li na le phallo e phahameng ea modal, e ka theolang boleng ba lets'oao ho feta mefuta e atolositsoeng.
| Mofuta oa Fiber | Core Diameter (microns) | Range e Sebetsang (limithara) | Lebelo la Phetiso (Gbps) | Tšusumetso ea Phallo ea Modal |
|---|---|---|---|---|
| Mokhoa o le mong | 8 ho ea ho 10 | > 40,000 | > 100 | Tlase |
| Mekhoa e mengata | 50 ho isa ho 62.5 | 300 - 2,000 | 10 | Phahameng |
Bakeng sa tikoloho e hlokang boleng ba lets'oao le ts'epahalang, mohala o le mong oa fiber optic o fana ka monyetla o hlakileng.
Litlhaloso Tse Sebetsang Bakeng sa ho Khetha Cable e Nepahetseng
Phapang ea Litšenyehelo Pakeng tsa Multi-Mode le Single Mode Cables
Litšenyehelo li bapala karolo ea bohlokoa ha ho etsoa qeto lipakeng tsa likhoele tsa mefuta e mengata le mofuta o le mong. Lithapo tse nang le mefuta e mengata hangata li theko e tlase ka pele ka lebaka la ts'ebetso ea tsona e bonolo ea tlhahiso le ts'ebeliso ea li-transceivers tse theko e tlase. Sena se ba etsa khetho e tsebahalang bakeng sa lits'ebetso tsa sebaka se khuts'oane, joalo ka litsi tsa data kapa marang-rang a khamphase. Leha ho le joalo, mohala o le mong oa fiber optic, le hoja qalong o ne o le theko e boima haholo, o fana ka katleho ea nako e telele ea litšenyehelo. Bokhoni ba eona ba ho ts'ehetsa li-bandwidth tse phahameng le libaka tse telele li fokotsa tlhoko ea lintlafatso khafetsa kapa matsete a eketsehileng a meaho. Mekhatlo e etelletsang pele scalability le bopaki ba nako e tlang hangata e fumana litšenyehelo tse holimo tsa pele tsa likhoele tsa mofuta o le mong e le tsa bohlokoa.
Lisebelisoa tsa Single Mode Fiber Optic Cable le Multi-Mode Cables
Lisebelisoa tsa likhoele tsena lia fapana ho latela bokhoni ba tsona ba tekheniki. Lithapo tsa fiber optic tsa mofuta o le mong li loketse puisano ea sebaka se selelele, joalo ka mehala ea mehala le litsing tsa data tsa lebelo le holimo. Ba boloka botšepehi ba matšoao ho tloha bohōle ba lik'hilomithara tse 200, e leng se etsang hore e tšoanelehe bakeng sa marang-rang a mokokotlo le lisebelisoa tse phahameng tsa bandwidth. Ka hlakoreng le leng,likhoele tsa mefuta e mengata, haholo-holo mefuta ea OM3 le OM4, e ntlafalitsoe bakeng sa tšebeliso ea sebaka se khuts'oane. Hangata li sebelisoa marang-rang a poraefete le litsing tsa data, tse tšehetsang litefiso tsa data ho fihla ho 10Gbps ho feta sebaka se itekanetseng. Bophara ba bona bo boholo ba mantlha bo lumella phetiso e nepahetseng ea data libakeng tseo ho tsona ho sa hlokeheng ts'ebetso ea sebaka se selelele.
E lumellana le Infrastructure ea Network e teng
Ho lumellana le lisebelisoa tse teng ke ntlha e 'ngoe ea bohlokoa. Hangata lithapo tse nang le mefuta e mengata li sebelisoa mekhoeng ea lefa moo ho hlokahalang hore ho ntlafatsoe ka theko e tlaase. Ho lumellana ha bona le li-transceivers tsa khale le lisebelisoa ho ba etsa khetho e sebetsang bakeng sa ho boloka marang-rang a teng. Leha ho le joalo, thapo e le 'ngoe ea fiber optic, leha ho le joalo, e loketse marang-rang a sejoale-joale, a sebetsang hantle haholo. Bokhoni ba eona ba ho ikopanya le li-transceivers tse tsoetseng pele le ho ts'ehetsa litefiso tse phahameng tsa data li netefatsa ts'ebetso e se nang moeli libakeng tse tsoetseng pele. Ha e ntlafatsa kapa e fetoha, mekhatlo e tlameha ho lekola meaho ea eona ea hajoale ho fumana hore na ke mofuta ofe oa cable o tsamaellanang le lipheo tsa bona tsa ts'ebetso.
Phetoho kapa Ntlafatso lipakeng tsa Multi-Mode le Single-Mode
Ho Sebelisa Li-transceivers bakeng sa Tšebelisano
Li-transceivers li bapala karolo ea bohlokoa ho koala lekhalo lipakeng tsa likhoele tsa mefuta e mengata le tsa mofuta o le mong. Lisebelisoa tsena li fetola mats'oao ho netefatsa tšebelisano lipakeng tsa mefuta e fapaneng ea fiber, e nolofalletsang puisano e se nang moeli ka har'a marang-rang a nyalisitsoeng. Mohlala, li-transceivers tse kang SFP, SFP +, le QSFP28 li fana ka litefiso tse fapaneng tsa phetisetso ea data, ho tloha ho 1 Gbps ho isa ho 100 Gbps, e leng se etsang hore li tšoanelehe bakeng sa lits'ebetso tse joalo ka li-LAN, litsi tsa data, le komporo ea ts'ebetso e phahameng.
| Mofuta oa Transceiver | Sekhahla sa Phetiso ea Lintlha | Lisebelisoa tse Tloaelehileng |
|---|---|---|
| SFP | 1 Gbps | Li-LAN, marang-rang a polokelo |
| SFP+ | 10 Gbps | Litsi tsa data, mapolasi a seva, li-SAN |
| SFP28 | Ho fihlela ho 28 Gbps | Cloud computing, virtualization |
| QSFP28 | Ho fihlela ho 100 Gbps | Lik'homphieutha tse sebetsang hantle, litsi tsa data |
Ka ho khetha transceiver e nepahetseng, mekhatlo e ka ntlafatsa ts'ebetso ea marang-rang ha e ntse e boloka ho lumellana pakeng tsa mefuta ea li-cable.
Maemo moo Lintlafatso li ka khonehang
Ho ntlafatsa ho tloha ho mefuta e mengataho lithapo tsa mokhoa o le mong hangata li khannoa ke tlhokahalo ea li-bandwidth tse phahameng le libaka tse telele tsa phetisetso. Leha ho le joalo, phetoho ena e na le liphephetso, ho kenyeletsoa mathata a tekheniki le mathata a lichelete. Mesebetsi ea sechaba, e kang ho kenya li-ducts tse ncha, e ka 'na ea hlokoa, e leng ho eketsa litšenyehelo. Ho feta moo, lihokelo le liphanele tsa patch li tlameha ho nahanoa nakong ea ts'ebetso ea ntlafatso.
| Karolo | Lithapo tsa Multi-Mode | Mokhoa o le Mong (AROONA) | Ho boloka CO2 |
|---|---|---|---|
| Kakaretso ea CO2-eq bakeng sa tlhahiso | 15 lithane | 70 lik'hilograma | 15 lithane |
| Maeto a lekanang (Paris-New York) | Maeto a 15 a ho khutla | 0.1 maeto a ho khutla | Maeto a 15 a ho khutla |
| Sebaka sa koloi e tloaelehileng | 95,000 km | 750 km | 95,000 km |
Leha ho na le liphephetso tsena, melemo ea nako e telele ea mohala o le mong oa fiber optic, joalo ka phokotso ea mats'oao le scalability, e etsa hore e be matsete a bohlokoa bakeng sa marang-rang a netefatsang bokamoso.
Litharollo tsa Dowell bakeng sa Phetoho Pakeng tsa Mefuta ea Cable
Dowell e fana ka litharollo tse ncha tsa ho nolofatsa phetoho lipakeng tsa likhoele tsa mefuta e mengata le tsa mofuta o le mong. Lithapo tsa bona tsa fiber optic patch li ntlafatsa haholo lebelo le ts'epahalo ea data ha li bapisoa le litsamaiso tsa mehala tsa setso. Ho feta moo, meralo ea Dowell e sa utloeng bohloko le e nyane e netefatsa hore e tšoarella ebile e sebetsa hantle, e li etsa tse loketseng marang-rang a sejoale-joale a lebelo le holimo. Ho sebelisana 'moho le li-brand tse tšepahalang tse kang Dowell ho netefatsa hore lintlafatso tsa marang-rang li kopana le maemo a indasteri mme li lula li lumellana le mahlale a ntseng a tsoela pele.
Ka ho sebelisa boiphihlelo ba Dowell, mekhatlo e ka fihlela liphetoho tse se nang moeli ha e ntse e ntlafatsa ts'ebetso ea marang-rang le ts'epahalo.
Lithapo tsa mefuta e mengata le tsa mofuta o le mong li sebeletsa merero e fapaneng 'me li ke ke tsa sebelisoa ka mokhoa o fapaneng. Ho khetha thapo e nepahetseng ho ipapisitse le sebaka, litlhoko tsa bandwidth, le tekanyetso. Likhoebo tsa Shrewsbury, MA, li ntlafalitse ts'ebetso ka ho fetohela ho fiber optics. Dowell e fana ka litharollo tse tšepahalang, ho netefatsa liphetoho tse se nang moeli le marang-rang a scalable a fihlelang litlhoko tsa sejoale-joale ha a ntse a ntlafatsa ts'ireletso ea data le ts'ebetso.
LBH
Na likhoele tse nang le mefuta e mengata le tsa mofuta o le mong li ka sebelisa li-transceiver tse tšoanang?
Che, li hloka li-transceiver tse fapaneng. Lithapo tsa mefuta e mengata li sebelisa VCSEL kapa li-LED, ha li ntse lilikhoele tsa mofuta o le mongitšetleha ka li-laser bakeng sa phetiso ea matšoao e nepahetseng.
Ho etsahala'ng haeba ho sebelisoa mofuta o fosahetseng oa cable?
Ho sebelisa mofuta o fosahetseng oa cable ho bakaphokotso ya sesupo, ho fokotseha ho eketsehileng, le ho se tsitse ha marang-rang. Sena se ka lebisa ho fokotseng ts'ebetso le litšenyehelo tse phahameng tsa tlhokomelo.
Na likhoele tsa mefuta e mengata li loketse lits'ebetso tsa sebaka se selelele?
Che, likhoele tsa mefuta e mengata li lokiselitsoe sebaka se sekhuts'oane, hangata ho fihla ho limithara tse 550. Lithapo tsa mofuta o le mong li betere bakeng sa lits'ebetso tsa sebaka se selelele tse fetang lik'hilomithara tse 'maloa.
Nako ea poso: Apr-10-2025