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    Tsebo e tloaelehileng ea fiber optical

    Nako ea poso: Jul-31-2019

    Sehokelo sa fiber optical

    Sehokedi sa fiber optic se na le faeba le polaka mahlakoreng ka bobedi a tlhale.Plug e na le phini le sebopeho sa ho notlela peripheral.Ho ea ka mekhoa e fapaneng ea ho notlela, likhokahano tsa fiber li ka aroloa ka mofuta oa FC, mofuta oa SC, mofuta oa LC, mofuta oa ST le mofuta oa KTRJ.

    Sehokelo sa FC se nka mochine oa ho notlela likhoele 'me ke sehokelo sa optical fiber e tsamaeang e leng tšibollo ea khale le e sebelisoang haholo.

    SC ke lenonyeletso la khutlonnetsepa le entsoeng ke NTT.E ka kenngoa ka ho toba le ho tlosoa ntle le khoele ea khoele.Ha e bapisoa le sehokelo sa FC, e na le sebaka se senyenyane sa ts'ebetso 'me ho bonolo ho se sebelisa.Lihlahisoa tsa Ethernet tse tlaase li tloaelehile haholo.

    Sehokelo sa ST se entsoe ke AT&T mme se sebelisa mokhoa oa ho notlela bayonet.Lits'oants'o tse kholo tsa parameter li lekana le likhokahano tsa FC le SC, empa ha li tloaelehe lits'ebetsong tsa khampani.Hangata li sebelisoa lisebelisoa tsa mefuta e mengata 'me li sebelisoa hangata ha li koaletsoe ka thepa ea bahlahisi ba bang.

    Lithakhisa tsa KTRJ li entsoe ka polasetiki 'me li behiloe ka lithakhisa tsa tšepe.Ha palo ea ho kenya le ho tlosoa e ntse e eketseha, libaka tsa marang-rang li apara le ho apara, 'me botsitso ba nako e telele ha bo tšoane le li-connectors tsa pin tsa ceramic.

    Tsebo ea optical fiber

    Fiber ea optical ke conductor e fetisang maqhubu a khanyang.Fiber ea optical e ka aroloa ka fiber e le 'ngoe ea mode le fiber ea multimode ho tloha ka mokhoa oa ho fetisa optical.

    Ka fiber e nang le mokhoa o le mong, phetisetso ea leseli e na le mokhoa o le mong feela oa motheo, e leng se bolelang hore leseli le fetisoa feela ka hare ho mokokotlo oa fiber. bakeng sa puisano e potlakileng, e telele ea fiber.

    Ka fiber ea multimode, ho na le mekhoa e mengata ea phetisetso ea optical.Ka lebaka la ho hasana kapa ho kheloha, ts'ebetso ea phetisetso ea fiber e joalo ea optical e fokola, sekhahla sa maqhubu se moqotetsane, sekhahla sa phetisetso se nyane, 'me sebaka se khuts'oane.

    Li-parameter tse khethollang fiber ea optic

    Sebopeho sa fiber ea optical se entsoe ka molamu oa quartz, 'me bophara ba ka ntle ba fiber ea multimode le mokhoa o le mong oa fiber bakeng sa puisano ke 125.μm.

    The slimming e arotsoe likarolo tse peli: Core le Cladding layer. The single-mode fiber core e na le bophara ba mantlha ba 8 ~ 10.μm.Multimode fiber core bophara e na le litlhaloso tse peli tse tloaelehileng, 'me bophara ba mantlha ke 62.5μm (boemo ba US) le 50μm (tekanyetso ea Europe).

    Tlhaloso ea fiber interface e na le tlhaloso e joalo: 62.5μlimithara / 125μm multimode fiber, eo 62,5μm e bolela bophara ba mantlha ba fiber, le 125μm e bolela bophara ba ka ntle ba fiber.

    Likhoele tsa mokhoa o le mong li sebelisa bolelele ba 1310 nm kapa 1550 nm.

    Multimode fibers e sebelisa wavelength ea 850 nm.

    Fiber ea mode e le 'ngoe le fiber ea multimode e ka khetholloa ka mebala.'Mele oa kantle oa fiber ea mofuta o le mong o mosehla,' me 'mele oa kantle oa fiber ea multimode o bofubelu ba lamunu.

    Gigabit optical port

    Gigabit optical ports e ka sebetsa ka mekhoa e 'meli e qobelloang le ea ho buisanoa ka boithaopo.Tlhaloso ea 802.3, Gigabit optical port e ts'ehetsa lebelo la 1000M feela mme e tšehetsa mekhoa ea duplex e feletseng (Full) le halofo ea duplex (Half).

    Phapang ea bohlokoa ka ho fetisisa lipakeng tsa lipuisano tsa boiketsetso le khatello ke hore molaetsa oa khoutu o rometsoeng ha bobeli ba theha khokahano ea 'mele e fapane.Mokhoa oa ho buisana ka boiketsetso o romela khoutu ea / C /, e leng molapo oa khoutu ea tlhophiso, 'me mokhoa o qobelloang o romela / I / khoutu, e leng molapo o sa sebetseng.

    Gigabit optical port self - mokhoa oa ho buisana

    Ntlha ea pele: lipheletsong ka bobeli li behiloe ho mokhoa oa ho buisana ka boiketsetso

    Mekha e 'meli e romellana / C/code molapo.Haeba tse tharo tse ts'oanang / C / likhoutu li amoheloa ka tatellano mme molatsoana oa khoutu o amoheloang o ts'oana le mokhoa oa ho sebetsa oa pheletso ea lehae, mokha o mong o khutlisa / C / khoutu ka karabo ea Ack.Ka mor'a ho fumana boitsebiso ba Ack, lithaka li nka hore ba babeli ba ka buisana 'me ba beha boema-kepe sebakeng sa UP.

    Ea bobeli: pheletso e le 'ngoe e behiloe lipuisanong tsa boiketsetso, pheletso e' ngoe e behiloe ho tlamang

    Qetello ea puisano ea boiketsetso e romella /C/stream, mme pheletso e qobelloang e romella /I/stream.Qetello ea ho qobella e ke ke ea fana ka tlhahisoleseding ea puisano ea qetello ea sebaka seo, 'me e ke ke ea khutlisetsa karabo ea Ack ho lithaka.Ka hona, seteishene sa ho buisana ka boiketsetso TLASE.Leha ho le joalo, pheletso ea ho qobella ka boyona e ka lemoha /C/khoutu, mme e nahane hore pheletso ea lithaka ke kou e ipapisang le eona, ka hona beha ka kotloloho boema-kepe ba lehae sebakeng sa UP.

    Ea boraro: lipheletsong ka bobeli li behiloe ho mokhoa o tlamang

    Mekha e 'meli e romellana / ke / melapo.Ka mor'a ho amohela /I/stream, mothaka o nka hore thaka ke kou e ts'oanang le thaka.

    Phapano ke efe lipakeng tsa multimode le singlemode fiber?

    Multimode:

    Likhoele tse ka tsamaeang ho tloha ho makholo ho ea ho mefuta e likete li bitsoa li-multimode (MM) fibers. Ho ea ka ho aroloa ha radial ea index ea refractive ka har'a mantlha le ho koaheloa, e ka aroloa ka ho eketsehileng ka mohato oa multimode fiber le butle-butle multimode fiber.Hoo e ka bang tsohle likhoele tsa multimode li na le 50/125 μm kapa 62.5/125 μm ka boholo, le bandwidth (palo ea tlhaiso-leseling e fetisoang ke fiber) hangata ke 200 MHz ho 2 GHz. .Leseli le ntšang khanya kapa lebone le sebelisoa e le mohloli oa leseli.

    Mokhoa o le mong:

    Fiber e ka jalang mokhoa o le mong feela e bitsoa "single mode" fiber. The standard single mode (SM) fiber refractive index profile e tšoana le fiber ea mohato, ntle le hore bophara ba mantlha bo nyane haholo ho feta fiber ea multimode.

    Boholo ba fiber mode e le 'ngoe ke 9-10 / 125μm mme e na le bandwidth e sa lekanyetsoang le litšoaneleho tse fokolang tsa tahlehelo ho feta fiber ea multimode.Li-transceivers tsa optical tse nang le mokhoa o le mong li atisa ho sebelisoa bakeng sa phetisetso ea nako e telele, ka linako tse ling e fihla lik'hilomithara tse 150 ho isa ho tse 200.Li-LED tse nang le LD tse fokolang kapa mela e khanyang li sebelisoa e le mohloli oa leseli.

    Liphapang le likhokahano:

    Lisebelisoa tsa mofuta o le mong hangata li sebetsa ho likhoele tsa mofuta o le mong le likhoele tsa multimode, ha lisebelisoa tsa multimode li lekanyelitsoe ho sebetsa ho likhoele tsa multimode.



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