A lebokose la faeba optic, ho kenyeletsoa ka bobelilebokose la faeba optic kantlelelebokose la faeba optic, kaharemehlala, e fetola matshwao a lesedi ho tloha holebokose la cable la faeba opticdikgokelo ho data ya dijithale bakeng sa tshebediso ya inthanete. Ho fapana le di-modem tsa setso, tse sebetsanang le matshwao a motlakase, theknoloji ya fiber optic e fana ka lebelo le lekanang ho fihlela ho 25 Gbps,ho lieha ho tlase, le botšepehi bo ikhethang.Likhokahano tsa mohatla oa pigtail oa fiber opticho fokotsa tšitiso le ho tlala ha thepa, e leng se etsang hore faeba e be khetho e ratoang bakeng sa inthanete ea sejoale-joale e potlakileng.
Lintlha tsa Bohlokoa
- Mabokose a faeba opticsebelisa matshwao a lesedi ho fana ka inthanete e potlakileng haholo le e tshepahalang ka lebelo le fihlang ho 25 Gbps, e fetang haholo di-modem tsa setso tse itshetlehileng matshwaong a motlakase mme di fana ka lebelo le tlase.
- Li-modem li fetola data ea dijithale hore e be matšoao a loketseng likhoele tsa koporo kapa tsa cable, e nolofalletsang phihlello ea inthanete empa ka meeli ea lebelo, sebaka le latency ha e bapisoa letheknoloji ea fiber optic.
- Ho khetha mabokose a fiber optic ho netefatsa tshireletso e betere, sekhahla se tlase sa ho hloleha, le marangrang a ke keng a hloleha nakong e tlang, e leng se etsang hore a be a loketseng malapa le likhoebo tse batlang ts'ebetso e phahameng le ho hola.
Lebokose la Fiber Optic: Ke Eng le Hore na le Sebetsa Joang
Tlhaloso le Mosebetsi o ka Sehloohong
A lebokose la faeba optice sebetsa e le setsi se seholo sa ho laola le ho sireletsa likhoele tsa fiber optic marangrang a bolulo le a khoebo. Sesebelisoa sena se hlophisa likhokahano tsa cable, se sireletsa likhoele tšenyo ea tikoloho le ea mechine, 'me se netefatsa phetiso ea data e tsitsitseng le e potlakileng. Mabokose a kajeno a fiber optic a sebelisalihokelo tse potlakileng le li-adapter tse thatafetsengho fokotsa tahlehelo ea lets'oao le ho fana ka likhokahano tse potlakileng le tse tšepahalang. Mefuta e mengata e na le tekanyo ea IP68 e sa keneleng metsi, e tiisang ho tšoarella maemong a thata. Mabokose ana a boetse a tšehetsa ho pharalla ha marang-rang, e leng se lumellang katoloso e bonolo ha litlhoko tsa inthanete li ntse li hola. Li-splitter tsa optical ka har'a lebokose li arola matšoao a kenang, e leng se nolofalletsang mohala o le mong oa faeba ho sebeletsa basebelisi kapa lisebelisoa tse ngata ka katleho. Li-slots tsa lebota la fiber optic, hangata li kopantsoe le mabokose ana, li hokahana ka kotloloho le lisebelisoa tsa basebelisi 'me li fana ka data e potlakileng haholo ka tšitiso e fokolang.
Hlokomela: Mabokose a fiber optic a bapala karolo ea bohlokoa ho sireletseng marangrang a nakong e tlang, e leng se etsang hore a be bohlokoa bakeng sa inthanete e tšepahalang le e potlakileng malapeng, likhoebong le libakeng tsa indasteri.
Kamoo Lebokose la Fiber Optic le Fetolang Matšoao a Leseli Kateng
Lebokose la fiber optic le sebetsa ka ho laola phetoho le kabo ea matšoao a leseli a tsamaisang data ka likhoele tsa optical. Qetellong ea phetiso, lisebelisoa tse kang li-LED kapa li-laser diode li hlahisa li-pulse tsa leseli ho tsoa matšoao a motlakase. Li-pulse tsena li tsamaea ka har'a fiber, li tataisoa ke ponahalo ea kahare e felletseng, e bolokang tahlehelo ea matšoao e le tlase haholo. Ha leseli le fihla lebokoseng la fiber optic, li-photodiode li fetola leseli hore e be matšoao a motlakase bakeng sa tšebeliso ea li-routers kapa lisebelisoa tse ling tsa marang-rang. Li-amplifier tse ka har'a sistimi li boloka matla a matšoao libakeng tse telele, li tšehetsa phetiso ea data ho pholletsa le mashome kapa esita le makholo a lik'hilomithara. Mahlale a Multiplexing, joalo ka wavelength division multiplexing (WDM), a lumella melapo e mengata ea data ho tsamaea ka nako e le 'ngoe maqhubung a fapaneng, e eketsa haholo lebelo la bandwidth le khokahano. Liteko tsa masimo li bontšitse hore litsamaiso tsena li ka fetisa data ho feta lik'hilomithara tse 150 li sebelisa maqhubu a mangata, li bontša katleho eamabokose a faeba opticho tšehetsa likhokahano tsa inthanete tse potlakileng le tse tšepahalang.
Modem: Morero le Ts'ebetso
Tlhaloso le Mosebetsi o ka Sehloohong
Modem, e kgutsufaditsweng bakeng sa modulator-demodulator, e sebetsa e le sesebediswa sa bohlokwa kgokelong ya inthanete ya sejwalejwale. E fetola data ya dijithale ho tloha dikhomphutheng kapa di-router ho ba matshwao a analog a ka tsamayang hodima mehala ya mohala ya setso. Ha data e fihla ho tswa inthaneteng, modem e fetola tshebetso ena, e fetola matshwao a analog ho ya ho data ya dijithale bakeng sa tshebediso ke disebediswa tse hokahantsweng. Di-modem tsa pele di ne di sebetsa ka lebelo le tlase haholo, jwalo ka di-bit tse 300 ka motsotsoana, empa theknoloji e tswetse pele haholo. Di-modem tsa kajeno tsa broadband di ka fihlella lebelo la di-megabit tse makgolo ka motsotsoana. Ka hare, modem e na le taolo, di-converter tsa dijithale ho ya ho analog le di-converter tsa analog ho ya ho dijithale, le tokisetso ya phihlello ya data. Ho na le mefuta e fapaneng ya di-modem, ho kenyeletswa dial-up, mohala o hirilweng, broadband, le mehlala e thehilweng ho software. Mofuta o mong le o mong o sebeletsa ditlhoko tse itseng tsa marangrang le metswedi ya mmele.
Mekhoa ea modeme ntse e le ea bohlokoa bakeng sa ho hokahanya malapa le likhoebo le inthanete, ho fetola liforomo tsa data hore li lumellane le mefuta e fapaneng ea lits'ebeletso.
- Dimodem di koala sekgeo pakeng tsa netweke ya lehae le inthanete ka ho fetolela matshwao a tswang ho mofani wa ditshebeletso tsa inthanete (ISP) ho ya datang eo disebediswa di ka e sebedisang.
- Li tšehetsa mekhoa e fapaneng ea 'mele, joalo ka DSL, cable, kapa fiber, e leng se netefatsang hore lia lumellana ka bophara.
- Dimodem di nolofalletsa phihlello ya inthanete ka ho hokahanya sebaka sa mosebedisi le meralo ya motheo ya ISP.
- Li-modem tse ngata tsa sejoale-joale li hokahanngoa le li-router, li fana ka tsamaiso ea marang-rang le likarolo tsa ts'ireletso.
- Lisebelisoa tse kopaneng tsa modem-router li nolofatsa ho kenya le ho ntlafatsa ts'epo bakeng sa basebelisi.
- Ntle le modem, phihlello e tobileng inthaneteng e ke ke ea khoneha.
Kamoo Modem e Sireletsang Matšoao a Motlakase Kateng
| Karolo | Modem (Modulator-Demodulator) | Mabokose a Faeba Optic (Li-transmitter le Li-Receiver) |
|---|---|---|
| Mosebetsi oa ho Sibolla Matšoao | Ho fetola le ho fetola matshwao a motlakase a dijithale hore e be matshwao a loketseng mecha ya phetiso ya motlakase. | Li-transmitter li fetola matšoao a dijithale a motlakase hore e be matšoao a leseli a fetotsweng; baamoheli ba fetola matšoao a optical ho ba matšoao a motlakase. |
| Mokhoa oa ho Fetola Molumo | Modulation/demodulation ya letshwao la motlakase (mohlala, amplitude kapa modulation ya maqhubu). | Phetoho ea motlakase le optical: ho fetola matla a khanya ho sebelisoa li-LED kapa li-diode tsa laser; phetoho ea optical-electrical ho sebelisoa li-photodiode. |
| Likarolo tsa Bohlokoa | Disekete tsa modulator le demodulator tse sebetsanang le matshwao a motlakase. | Sefetisi: Di-LED kapa di-diode tsa laser tse fetolwang ke matshwao a motlakase; Seamohedi: di-photodiode (PIN kapa APD), di-resistor tsa bias, di-pre-amplifier tse nang le lerata le tlase. |
| Medium ea Letšoao | Mecha ea phetiso ea motlakase (mohlala, lithapo tsa koporo). | Lithapo tsa faeba ea optical tse jereng matšoao a khanya a feto-fetotsoeng. |
| Litšobotsi tsa ho Fetola Molumo | E fetola maqhubu a tsamaisang motlakase ho emela data ea dijithale (0′ le 1′s). | E fetola matla a khanya ho emela data ea dijithale; Li-LED li fana ka karabelo ea motlakase o otlolohileng, li-diode tsa laser li fana ka matla le lebelo le phahameng empa li na le litšobotsi tse seng tsa mola. |
| Lintlha tsa Nalane/Moralo | Lisebelisoa tse tloaelehileng tse etsang modulation/demodulation. | Li-transmitter tsa pele e ne e le meralo e ikhethileng; joale li-module tse kopantsoeng tse nang le lipotoloho tse kopaneng le li-diode tsa optical; ho rarahana ha moralo ho eketsehile ka sekhahla sa data. |
Tafole ena e totobatsa liphapang tsa tekheniki pakeng tsa kamoo li-modem le mabokose a fiber optic li sebetsanang le matšoao kateng. Li-modem li shebana le matšoao a motlakase le lithapo tsa koporo, ha mabokose a fiber optic a sebetsana le matšoao a leseli le likhoele tsa optical.
Lebokose la Fiber Optic vs Modem: Liphapang tsa Bohlokoa
Theknoloji le Mofuta oa Letšoao
Mabokose a fiber optic le li-modem li itšetlehile ka mahlale a fapaneng ka ho feletseng ho fetisa data. Lebokose la fiber optic le laola le ho hlophisa likhoele tsa fiber, ho netefatsa hore likhokahano li tsitsitse le tahlehelo e fokolang ea lets'oao. Ha le fetole matšoao empa ho e-na le hoo le sebetsa e le sebaka sa kabo bakeng sa li-pulse tsa leseli tse tsamaeang ka har'a likhoele tsa khalase kapa tsa polasetiki. Ka lehlakoreng le leng, modem e sebetsa e le borokho pakeng tsa lisebelisoa tsa dijithale le sehokelo sa phetisetso. E fetola matšoao a motlakase a dijithale ho tsoa lik'homphieutheng kapa li-router ho ea matšoao a analog kapa a optical, ho latela mofuta oa marang-rang.
Theknoloji ea fiber optic e sebelisa matšoao a leseli a hlahisoang ke li-LED kapa li-diode tsa laser. Li-pulse tsena tsa leseli li tsamaea ka har'a likhoele tse tšesaane, li fana ka bandwidth e phahameng le tšireletso khahlanong le tšitiso ea motlakase. Li-modem, haholo-holo tse etselitsoeng marang-rang a fiber, li sebetsana le phetoho lipakeng tsa matšoao a motlakase le a optical. Li sebelisa mekhoa ea ho fetola molumo ho kenya data ho li-carrier tsa leseli kapa tsa motlakase. Mefuta e fapaneng ea modem, joalo kaE1, V35, RS232, RS422, le RS485, e tšehetsa litefiso tse fapaneng tsa data le libaka, e leng se etsang hore li lokele mefuta e mengata ea lits'ebetso tsa marang-rang.
Mabokose a fiber optic a laola haholo-holo meralo ea motheo ea cable, ha li-modem li etsa mosebetsi oa bohlokoa oa phetoho ea lets'oao. Phapang ena e bopa mesebetsi ea tsona marangrang a sejoale-joale.
Lebelo le Tshebetso
Lebelo le tshebetso di emela dipharologanyo tse kgolo pakeng tsa mabokose a fiber optic le di-modem tsa setso. Mabokose a fiber optic a tshehetsa phetiso ya data ka lebelo le phahameng haholo, hangata a fihla ho 25 Gbps kapa ho feta. Tshebediso ya di-pulse tsa lesedi e dumella phetiso ya data e potlakileng, e ts'oanang ka nako e le nngwe ka latency e tlase haholo. Dithapo tsa fiber optic di ka jara melapo e mengata ya data ho sebediswa mahlale a kang wavelength division multiplexing, e leng se eketsang bokgoni haholo.
Di-modem, haholo-holo tse sebedisang dithapo tsa koporo, di tobana le mefokolo lebelong le boholeng. Matshwao a motlakase a a senyeha ka lebaka la maeto a malelele, e leng se fellang ka bandwidth e tlase le latency e phahameng. Esita le di-modem tsa cable tse tswetseng pele ha di tshwane le lebelo la ho kenya le ho jarolla le le lekanang le fanwang ke ditsamaiso tsa fiber optic. Mabokose a fiber optic, a kang a fanwang ke Dowell, a nolofalletsa dikgwebo le malapa ho fihlelladikgokelo tsa inthanete tse potlakileng haholotse tšehetsang mananeo a ho phallela, lipapali le maru ntle le tšitiso.
| Tšobotsi | Lebokose la Faeba Optic | Modem (Koporo/Thapo) |
|---|---|---|
| Mofuta oa Letšoao | Li-pulse tse bobebe | Matšoao a motlakase |
| Lebelo le Phahameng | Ho fihlela ho 25 Gbps+ | Ho fihlela ho 1 Gbps (e tloaelehileng) |
| Ho lieha | Tlase haholo | E mahareng ho isa ho e phahameng |
| Sebaka | 100+ km | E lekanyelitsoe (lik'hilomithara tse 'maloa) |
| Bophara ba mothapo | E phahame haholo | E itekanetseng |
Tšireletso le Botšepehi
Tšireletso le botšepehi li bapala karolo ea bohlokoa liqetong tsa meralo ea motheo ea marang-rang. Mabokose a fiber optic a fana ka tšireletso e matla khahlanong le tšitiso ea motlakase, e leng se netefatsang ts'ebetso e tsitsitseng esita le libakeng tse nang le lerata le phahameng la motlakase. Thepa ea 'mele ea likhoele tsa fiber optic e etsa hore ho be thata ho li kokota ntle le ho li lemoha, e leng se ntlafatsang ts'ireletso ea data. Litsamaiso tsa fiber optic le tsona li na le ho tima ho fokolang 'me li hloka tlhokomelo e nyane ha li bapisoa le marang-rang a thehiloeng koporong.
Leha ho le jwalo, moralo wa di-hardware tsa mabokose a fiber optic o ka hlahisa tshitiso ya motlakase (EMI), haholoholo maemong a seterata kapa a lapeng. EMI ena e ka tsamaya ka hara terata ya koporo mme ya ama disebediswa tsa elektroniki tse bonolo. Dikhamphani tse kang Dowell di sebetsana le matshwenyeho ana ka ho rala mabokose a fiber optic a nang le tshireletso e ntlafetseng le kaho e matla, ho fokotsa mesi e tswang EMI le ho ntlafatsa botshepehi ka kakaretso.
Dimodem, haholo-holo tse nang le likarolo tse tsoetseng pele, li lumella basebelisi ho laola mesi e tsoang ea motlakase (EMF). Mefuta e meng e nolofalletsa basebelisi ho tima Wi-Fi kapa ho sebelisa li-router tse nang le EMF e tlase, e leng se ka fokotsang ho pepesehela maqhubu a seea-le-moea ka tlung. Leha limodem tsa cable li ka fana ka taolo e eketsehileng ea basebelisi holim'a EMF, li ke ke tsa lekana le melemo ea tlhaho ea ts'ireletso le ts'epo ea theknoloji ea fiber optic.
Keletso: Bakeng sa basebelisi ba batlang boemo bo phahameng ka ho fetisisa ba tshireletso le botshepehi, mabokose a fiber optic a tswang ho bahlahisi ba nang le botumo bo botle jwalo ka Dowell a fana ka tharollo e sireletsang bokamoso bakeng sa marangrang a lapeng le a kgwebo.
Lebokose la Fiber Optic le Modem Litlhophisong tsa Lehae le Khoebo
Kopanyo e Tloaelehileng ea Marang-rang a Lehae
Marangrang a lapeng kajeno hangata a itshetlehile ka meralo ya motheo e tswetseng pele ho fana ka inthanete e potlakileng le e tshepahalang phaposing e nngwe le e nngwe. Malapa a mangata a sebedisalikhoele tsa fiber optic, tse kang PureFiber PRO, ho fihlella lebelo le felletseng la modem ho pholletsa le ntlo. Mokhoa ona o felisa ho lieha le ho theoha ha lebelo ho atisang ho etsahala ka likhoele tsa setso tsa CAT. Baahi ba atisa ho kenya li-adapter tsa Ethernet tse nang le li-port tse 4 libakeng tsa bolulo, ho lumella lisebelisoa tse ngata—joalo ka li-Smart TV, li-console tsa lipapali, lifono tsa VOIP le libaka tsa phihlello tsa WiFi—ho hokela ka nako e le 'ngoe. Matlo a mang a kopanya li-adapter tsena ka ketane ka har'a khabote ea motlakase, e leng se etsang hore ho be le li-switch tse ka atolosoang tsa li-port tse ngata bakeng sa katoloso ea nakong e tlang.
Baqapi ba marangrang hangata ba sebelisa li-pigtails tsa MPO ho isa ho LC, tse fanang ka likhokahano tse 'maloa tse ikemetseng tsa fiber ka thapo ka 'ngoe. Setha sena se nolofalletsa marangrang a arohaneng bakeng sa merero e fapaneng, joalo ka ho sebetsa u le hae, boiketsetso ba lapeng bo bohlale, kapa ho bala ka mokhoa o sireletsehileng bakeng sa bana. Lisebelisoa tse nang le li-slots tsa SFP le tšehetso ea HDMI 2.1 li ka hokahana ka kotloloho, li nolofalletsa ho phallela ha video ea 4K kapa 8K ntle le khatello. Beng ba matlo ba rua molemo ho kenngoa ha plug-and-play, lipoleiti tsa lebota tse tenyetsehang, le ntlafatso e bonolo ea cable. Likarolo tsena li netefatsa bandwidth e phahameng, ha ho na ho lieha, le ho thibela bokamoso bakeng sa litlhoko tsa dijithale tse fetohang.
Mehopolo ea Marang-rang a Khoebo
Likhoebo li hloka meralo ea motheo ea marang-rang e matla, e ka atolosoang, le e sireletsehileng. Hangata mekhatlo e sebelisa li-terminal tsa marang-rang a optical (ONTs) ho fetolela matšoao a optical hore e be matšoao a motlakase bakeng sa tšebeliso ka har'a marang-rang a ofisi. Hangata li-ONT li fana ka likou tse ngata tsa Ethernet tse lebelo le phahameng, tšehetso bakeng sa VoIP, le likarolo tse tsoetseng pele tsa ts'ireletso joalo ka encryption ea AES. Likhamphani li hokahanya li-ONT le li-router tse lebelo le phahameng le li-switch tsa Gigabit, li aba phihlello ea inthanete ho pholletsa le mafapha le lisebelisoa.
Tafole e ka tlase e akaretsa kopanyo ea tekheniki:
| Karolo | Mabokose a Faeba Optic(Li-ONT) | Mekhoa ea modem |
|---|---|---|
| Mosebetsi oa mantlha | Phetoho ea Optical-ho-ea-motlakase | Phetoho ea lets'oao la DSL/cable |
| Ho Latela Melao | GPON, XGS-PON | Maemo a DSL/cable |
| Tlhophiso ea Kou | Likou tse ngata tsa Ethernet tse lebelo le phahameng | Likou tsa Ethernet |
| Likarolo tsa Tšireletso | Ho ngolwa ha AES, netefatso | Ea motheo, e fapana ho ea ka mohlala |
| Likarolo tse ling | bekapo ea betri, VoIP, LAN e se nang mohala | Phetoho ea motheo ea lets'oao |
Lithuto tsa linyeoe li bontša hore mekhatlo e kang Eurotransplant e fokolitse litšenyehelo tsohle tsa beng ka 40% e sebelisa litharollo tsa fiber optic bakeng sa litsi tsa data tsa bohlokoa tse reretsoeng merero. Bafani ba litšebeletso, joalo ka Netomnia, ba hahile marang-rang a ka atolosoang a tšehetsang kholo ea 800G ka theknoloji e tsoetseng pele ea fiber optic. Mehlala ena e totobatsa phetoho ho tloha ho li-modem tsa setso ho ea ho litharollo tse thehiloeng ho fiber, tse susumetsoang ke tlhoko ea bandwidth e phahameng, ts'epo le meralo ea motheo e loketseng bokamoso.
Ho Khetha Pakeng tsa Lebokose la Fiber Optic le Modem
Lintlha Tse Lokelang ho Nahanoa: Lebelo, Mofani, le ho Tsamaellana
Ho kgetha sesebediswa se nepahetseng bakeng sa kgokelo ya inthanete ho hloka tlhahlobo e hlokolosi ya mabaka a mmalwa. Lebelo le eme e le taba ya bohlokwa ho basebedisi ba bangata. Disistimi tse thehilweng ho faeba di fana ka bandwidth e phahameng haholo ho feta dikgetho tsa thapo kapa DSL. Mohlala, marangrang a faeba a ka fana ka throughput e hodimo ho fihla ho 40 Gb/s e arolelanwang hara basebedisi, ha disistimi tsa thapo tse sebedisang DOCSIS 3.1 hangata di fihlella 1 Gb/s feela. Latency le yona e fapana haholo. Dikhokahano tsa faeba hangata di boloka latency ka tlase ho 1.5 milliseconds, esita le ka nako e telele. Disistimi tsa thapo, ka lehlakoreng le leng, di ka ba le latency e eketsehileng e tlohang ho 2 ho isa ho 8 milliseconds ka lebaka la ditsamaiso tsa kabo ya thapo. Latency e tlase le bandwidth e phahameng di fella ka boiphihlelo bo bonolo bakeng sa mesebetsi e kang dikopano tsa video, dipapadi tsa inthanete, le nnete ya sebele.
Bafani ba phetha karolo ea bohlokoa khethong ea lisebelisoa. Bafani ba bang ba fana ka lisebelisoa tsa sebaka sa bareki, joalo ka li-modem kapa li-router, ntle le litšenyehelo tse ling. Litaelo tsa taolo li hloka hore bafani ba fihlelle meeli e tiileng ea ts'ebetso. Bonyane 80% ea litekanyo tsa lebelo e tlameha ho fihla ho 80% ea lebelo le hlokahalang, 'me 95% ea litekanyo tsa lateness e tlameha ho lula ho kapa ka tlase ho li-millisecond tse 100. Bafani ba tlameha ho etsa liteko tsa lebelo le lateness nakong ea lihora tse phahameng ho netefatsa ts'ebetso e tsitsitseng. Litlhoko tsena li thusa basebelisi ho bapisa boleng ba ts'ebeletso ho bafani ba fapaneng.
Ho tsamaellana ha disebediswa e ntse e le ntlha e nngwe ya bohlokwa. Hase disebediswa tsohle tse sebetsang hantle le mofuta o mong le o mong wa marangrang. Di-converter tsa mecha ya phatlalatso le di-modem di sebeletsa merero e fapaneng. Di-converter tsa mecha ya phatlalatso di sebetsana le phetoho e bonolo ya matshwao pakeng tsa matshwao a optical le a motlakase, ha di-modem di etsa modulation le demodulation bakeng sa puisano ya dijithale. Basebedisi ba lokela ho netefatsa hore sesebediswa seo ba se kgethileng se tshehetsa diprothokhole le di-interface tse hlokahalang tikolohong ya bona ya marangrang.
| Ntlha | Mekhoa e Thehiloeng ho Faeba | Mekhoa ea Cable/DSL |
|---|---|---|
| Bophara ba Max | Ho fihlela ho 40 Gb/s (e arolelanoang) | Ho fihlela ho 1 Gb/s (DOCSIS 3.1) |
| Ho lieha ho Tloaelehileng | < 1.5 ms | 2–8 ms |
| Karolo ea Mofani | Hangata e fana ka ONT/Router | Hangata e fana ka Modem/Router |
| Ho lumellana | E hloka sesebelisoa se loketseng faeba | E hloka modem ea cable/DSL |
Keletso: Kamehla netefatsa hore sesebediswa se a tsamaisana le mofani wa hao wa ditshebeletso tsa inthanete pele o reka.
A lebokose la faeba optice laola data e thehiloeng khanyeng ka sekhahla se tlase sa ho hloleha ho feta modem, joalo ka ha ho bontšitsoe ka tlase:
| Karolo | Sekhahla sa ho Hlōleha (Selemo le selemo) |
|---|---|
| Cable ea Faeba-Optic | 0.1% ka maele |
| Li-Receiver tsa Optical | 1% |
| Li-transmitter tsa Optical | 1.5–3% |
| Beha Li-terminal tse Holimo / Modem | 7% |
Basebelisi ba bangata ba rua molemo ka lebelo, ts'epo, le moralo o sireletsang bokamoso balebokose la faeba optic.
Ka: Eric
Mohala: +86 574 27877377
Mb: +86 13857874858
Imeile:henry@cn-ftth.com
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Nako ea poso: Phupu-08-2025