Ib hom fiber ntau vs ntau hom fiber yog ob hom fiber ntau tseem ceeb uas siv los xa cov ntaub ntawv hla qhov ntev thiab luv luv. Ib hom fiber siv lub hauv paus me me thiab xa lub teeb ncaj qha mus rau hauv lub hauv paus, ua rau nws zoo tagnrho rau kev sib txuas lus ntev ntawm qhov ceev siab. Multimode fiber muaj lub hauv paus loj dua, kis lub teeb mus rau ntau txoj kev thiab haum rau qhov luv luv xws li hauv tsev lossis tsev kawm ntawv. Txhua tus muaj nws tus kheej qhov zoo, xws li tus nqi, bandwidth, thiab qhov deb. Txhawm rau pab koj xaiv cov fiber tsim nyog, cov ntu hauv qab no nthuav qhia cov ntaub ntawv yooj yim, kev sib piv kev siv, thiab kev tshuaj xyuas tus nqi. Lub hom phiaj yog ua kom qhov kev txiav txim siab ncaj qha thiab pom tseeb rau txhua tus.

Ib Hom vs. Multimode Fiber

Ib hom thiab ntau hom cov xov hlau fiber optic coj lub teeb sib txawv heev, cuam tshuam rau lawv cov yam ntxwv thiab cov ntawv thov zoo tagnrho. Lub xov tooj cua fiber optic ib hom muaj lub hauv paus me me nyob ib ncig ntawm 9 microns, coj ib hom teeb ci hla qhov deb ntev. Qhov sib piv, multimode fiber, nrog cov tub ntxhais loj ntawm 50 lossis 62.5 microns, tuaj yeem nthuav dav ntau hom teeb ci tib lub sijhawm. Ib hom ua haujlwm ntawm qhov ntev dua, thaum multimode nyob nrog cov luv dua, qhia lawv lub zog tshwj xeeb rau ntau yam ntawv thov.

1. Ib hom: kev sib txuas lus ntev, cov chaw khaws ntaub ntawv, cov tes hauj lwm hauv nroog.

2. Multimode: cov tes hauj lwm hauv tsev kawm ntawv, cov xov hlau hauv tsev, cov kev sib txuas luv luv ntawm cov neeg rau zaub mov.

1. Lub hauv paus txoj kab uas hla

Lub hauv paus ntawm ib hom fiber optic cable tsuas yog 9µm xwb, uas ua rau lub teeb mus ncaj nraim nrog qhov bounce tsawg kawg nkaus. Txoj kev nqaim no ua rau lub teeb ci ntsa iab thoob plaws qhov dav dav, tab sis nws xav tau cov khoom siv tshwj xeeb thiab kev teeb tsa zoo. Qhov sib piv, cov cables fiber optic multimode muaj lub hauv paus loj dua - 62.5µm rau OM1 thiab 50µm rau OM2, OM3, OM4, thiab OM5. Ob hom no muaj lub cladding txoj kab uas hla ntawm 125µm, uas tiv thaiv lawv thiab ua kom lawv sib xws rau kev tswj hwm. Lub hauv paus multimode loj dua ua rau lub teeb bounce hauv ntau txoj kev, zoo tagnrho rau qhov luv luv tab sis tuaj yeem ua rau lub teeb smear lossis modal dispersion dhau sijhawm ntev dua.

2. Lub Teeb Ci

Feem ntau, cov fiber ntau hom (single mode fiber) yuav nrog cov teeb laser los ua ke. Cov lasers yuav tso tawm cov teeb linear, muaj zog heev - zoo tagnrho rau kev xa mus ntev. Cov fiber ntau hom (multimode fiber) feem ntau siv cov LEDs, uas pheej yig dua thiab yooj yim dua rau kev teeb tsa tab sis nws tawg ntau dua thiab ua haujlwm tau zoo tshaj plaws ntawm qhov deb luv dua.

Nrog lasers ib hom kev sib txuas mus deb dua, tab sis cov khoom siv tuaj yeem kim dua thiab xav tau cov neeg ua haujlwm txawj. Multimode's LEDs txo cov nuj nqis thiab yooj yim rau kev teeb tsa, tab sis lawv txwv qhov deb thiab ceev. Nws yog qhov sib txawv ntawm kev npau suav phem uas ua rau mob taub hau, thiab kev npau suav uas muaj tseeb, rau cov tes hauj lwm loj lossis cov tsev kawm ntawv loj.

3. Kev Txwv Bandwidth

Ib hom fiber yuav luag tsis ntaus lub qab nthab bandwidth. Nws lub hauv paus nqaim ua rau muaj qhov poob lossis kev tawg me me, ua rau nws ua tau raws li qhov xav tau thaum cov ntaub ntawv nce ntxiv. Multimode fiber raug kev poob thiab kis ntau dua, yog li nws cov bandwidth poob qis nrog qhov deb. Qhov no tseem ceeb hauv cov chaw xws li huab xam lossis cov chaw khaws ntaub ntawv niaj hnub uas cov ntaub ntawv loj xa mus sai.

Ib hom yog qhov kev xaiv uas yuav siv tau yav tom ntej, ntau hom qhov uas qhov kev khiav luv luv thiab ceev ceev yog qhov tseem ceeb.

4. Kev Nrug Deb

Hom ib leeg yooj yim npog txog li 160km, ua haujlwm rau cov kab sib txuas lus loj lossis hla cov tes hauj lwm hauv nroog. Multimode siab tshaj plaws ntawm kwv yees li 550 meters ntawm 1Gbps, uas yog qhov zoo rau kev tsim hluav taws xob hauv tsev.

Qhov deb hloov pauv kev npaj network. Kev ncav cuag luv dua ntau lub iav thiab repeaters rau multimode, ib hom txhais tau tias tsawg dua qhov nres thiab cov teeb liab du dua.

Kev ncua deb txuas ncaj qha mus rau qhov poob teeb liab.

Khiav ntev? Yeej ib hom xwb.

5. Tus nqi tag nrho

Cov fiber ib hom pheej yig dua los tsim, tab sis nws cov transceivers feem ntau kim dua - qee zaum ntau txog tsib npaug ntxiv. Qhov ntawd tuaj yeem nce ntxiv, tshwj xeeb tshaj yog rau kev hloov kho loj lossis kev tsim kho tshiab. Txawm li cas los xij, ib hom yog qhov tsim nyog rau cov tes hauj lwm loj lossis yav tom ntej.

Tus nqi tag nrho yog ntau tshaj li tus nqi ntawm lub cable xwb. Xav txog kev teeb tsa / khoom siv thiab cov kev xav tau yav tom ntej ua ntej xaiv.

Multimode cov nyiaj txuag ua ntej yog qhov yooj yim rau cov peev nyiaj nruj, tab sis kev loj hlob mus sij hawm ntev yuav ua rau ib hom tsis sib xws.

Kev Tshawb Fawb Txog Fiber

Cov cables fiber optic, suav nrog singlemode thiab multimode fiber optic cable, muab ib lub core, cladding, thiab cov txheej tiv thaiv los thauj cov ntaub ntawv nrog lub teeb. Kev nkag siab txog cov qauv ntawm cov fiber no yog qhov tseem ceeb rau txhua tus neeg tsim lossis tswj lub network uas khiav ceev thiab ruaj khov, vim nws txiav txim siab qhov ua haujlwm, kev ruaj khov, thiab qhov chaw zoo tshaj plaws.

Kev Tsim Kho Lub Cev

Ob hom fiber optic cables ib hom thiab multimode fiber optic cables siv lub iav core qhwv hauv cladding, tab sis qhov loj me yog qhov lawv sib txawv. Lub single-hom fiber optic cable lub core tsuas yog 8.3 txog 10 microns dav - feem ntau yog 9 μm - thaum lub multimode fiber optic cable lub core loj dua ntawm 50 lossis txawm tias 62.5 μm. Ob hom tswj lub cladding ntawm 125 μm, ua kom lub teeb nyob hauv thiab khaws cov teeb liab meej. Cov tsho tiv thaiv nyob ib puag ncig cov ntu no los tiv thaiv lub iav ntawm dej, av, thiab kev cuam tshuam uas tuaj yeem tshwm sim hauv av lossis hauv qab nthab poob. Qee lub tsho tiv thaiv yog rugged rau cov ntsiab lus sab nraum zoov, thaum lwm tus tau tsim los tiv thaiv cov nplaim taws sab hauv tsev.

Kev tsim cov fiber optic cabling tseem ceeb heev rau ntau txoj kev. Cov tub ntxhais ib hom nyias dua ua rau lub teeb ci tsawg dua thiab tawg hauv lub tub ntxhais, ua rau cov teeb liab mus deb dua ua ntej kev puas tsuaj tshwm sim. Qhov sib piv, cov fiber ntau hom, nrog lawv cov tub ntxhais dav dua, tuaj yeem ntes tau lub teeb ntau dua tab sis yuav muaj teeb liab tsis sib haum thaum lub sijhawm xa xov. Thaum xaiv cov hom fiber, nws yog ib qho tseem ceeb uas yuav tsum xav txog qhov chaw teeb tsa - kev teeb tsa sab nraum zoov xav tau cov tsho tiv no uas ruaj khov dua, dej-nyab xeeb, thaum kev teeb tsa sab hauv tsev yuav tau txais txiaj ntsig los ntawm cov qauv tsim hluav taws lossis cov cables yooj ywm.

Kev nthuav dav ntawm lub teeb

Ib hom fiber tuav lub teeb rau ib txoj kev nqaim, tso cai rau cov ntaub ntawv sib tw nrog rau yuav luag tsis muaj kev cuam tshuam. Yog vim li cas cov teeb liab tuaj yeem hla qhov deb heev - xav txog cov xov tooj cua hla tebchaws - yam tsis muaj kev ploj mus lossis ua jumbled. Multimode fiber kis lub teeb rau ntau txoj kev tib lub sijhawm. Txhua txoj kev, lossis hom, tuaj yeem taug kev sib txawv, yog li lub teeb liab tuaj yeem diffuse thiab lag thaum nws disperses.

Yog vim li ntawd ib hom yog qhov kev xaiv rau kev sib txuas ceev ceev, ntev. Nws lub hauv paus tiv thaiv kev sib kis modal, muab nws qhov bandwidth tsis txwv. Multimode ua haujlwm sai dua rau kev tsim kho luv luv tab sis tsis tuaj yeem dhau ib hom rau kev khiav ntaub ntawv loj. Kev nkag siab txog lub teeb kis mus rau hauv lub fiber ua rau cov neeg teeb tsa thiab cov kws kho tshuab ua kom zoo dua qhov ceev thiab qhov tseeb ntawm lub teeb qhov twg lawv xav tau.

Xaiv Koj Cov Fiber

Kev xaiv koj cov fiber optic cabling yog txhua yam hais txog ob peb yam. Txhua lub network muaj nws tus kheej cov kev xav tau, yog li kev teeb tsa cov hom fiber rau koj lub hom phiaj, xws li singlemode fiber optic cable lossis multimode fiber optic cable, tseem ceeb!

• Qhov deb uas koj lub network xav tau los npog

• Bandwidth lossis qhov ceev ntawm cov ntaub ntawv xav tau

• Kev siv nyiaj rau cov fiber thiab cov khoom siv

• Qhov twg thiab yuav siv cov fiber li cas

• Xav tau kev loj hlob lossis kev hloov kho tshiab yav tom ntej

Rau Cov Chaw Khaws Cov Ntaub Ntawv

Kev khiav luv luv hauv cov chaw khaws ntaub ntawv xav tau fiber ntau hom. Nws lub hauv paus loj dua (feem ntau yog 50 txog 100 microns) ua kom yooj yim rau kev sib txuas thiab txo tus nqi. Multimode cuam tshuam nrog qhov ceev tshaj plaws rau cov khoom siv ntawm cov khib server thiab kev sib txuas cia khoom. Nws ua si zoo nrog cov teeb pom kev pheej yig xws li LEDs thiab VCSELs.

Multimode fiber zoo heev rau kev khiav mus txog 500–600 meters, thiab nws tseem pheej yig txawm tias cov nqi ntaub ntawv hauv network nce ntxiv. Rau kev sib txuas ntev dua ntawm cov chaw khaws ntaub ntawv lossis cov tsev, cov fiber ib hom yuav siv. Ib hom kim dua, feem ntau yog vim cov transceivers kim, tab sis nws tsim nyog rau kev sib txuas hauv tsev kawm ntawv lossis nroog. Tiv thaiv koj qhov kev teeb tsa yav tom ntej los ntawm kev tiv thaiv yav tom ntej rau qhov ceev dua lossis cov khoom siv tshiab tom ntej.

Rau Cov Tsev Kawm Ntawv

Cov tsev kawm ntawv uas muaj cov tsev nyob ze feem ntau tseem yog fiber ntau multimode. Nws hloov tau yooj yim, txhawb kev sib sau ua ke ntawm cov ntawv thov (xws li cov ntaub ntawv, lub suab, thiab video), thiab tuaj yeem ua raws li qhov xav tau bandwidth nce ntxiv thaum muaj ntau thiab ntau lub cuab yeej koom nrog.

Xaiv qib uas tsim nyog rau koj qhov kev teeb tsa—OM3, OM4 lossis OM5 rau qhov ceev thiab khiav ntev txog 2 km! Muab txhua lub sijhawm xav txog seb koj lub network yuav nthuav dav li cas. Fiber, uas tam sim no tso rau uas tuaj yeem txais cov teeb liab sai dua, txuag lub sijhawm thiab nyiaj txiag yav tom ntej.

Rau Kev Mus Ntev

Cov tes hauj lwm ntev--piv txwv li, lub nroog lossis ntawm cov nroog--nyob ntawm seb siv cov fiber ntau hom ib zaug xwb. Nws lub qhov me me ntawm lub plawv tseem tuav cov teeb liab ze, txuas mus txog 40 kilometers nrog qhov poob tsawg kawg nkaus. Cov kev khiav no xav tau cov transceivers tshwj xeeb uas tau kho kom zoo rau ntau yam.

Hom ib leeg ci ntsa iab rau cov backbone thiab metro networks, qhov twg qhov ceev thiab kev ntseeg tau kav ntev tshaj plaws. Tus nqi ntau dua thaum xub thawj tab sis txuag tau tsawg dua ntawm cov repeaters lossis kev hloov kho dua tshiab tom ntej. Thaum npaj, xav txog ob qho tib si cov kev xav tau tam sim no thiab qhov uas lub net tuaj yeem tswj hwm hauv tsib lossis kaum xyoo.

Cov Nqi Zais Cia

Kev siv cov fiber optic, suav nrog cov cables fiber optic multimode thiab singlemode fiber optic cable, nqa ntau dua li tus nqi pib. Ntau cov nqi zais cia yuav tshwm sim thaum lub sijhawm ua haujlwm lossis txawm tias ntau xyoo tom qab, cuam tshuam rau tag nrho cov peev nyiaj.

Tus nqi ntawm lub transceiver

Cov transceivers yog qhov tseem ceeb rau kev tso cai rau lub teeb liab nkag thiab tawm ntawm cov cables fiber. Rau ib hom fiber, transceivers feem ntau kim dua li multimode. Qhov ntawd yog vim qhov tseeb tias ib hom optics xav tau cov lasers tshwj xeeb heev los xa cov teeb liab ntev li ob peb mais. Txawm hais tias cov cable kim dua, cov optics tuaj yeem yog koj lub hnab nyiaj tiag tiag.

Cov transceivers multimode pheej yig dua tab sis ua haujlwm ntawm qhov deb luv dua, feem ntau yog ob peb puas meters. Yog tias koj xaiv cov fibers multimode qib siab dua rau kev ncav cuag ntxiv lossis bandwidth, cov nyiaj txuag transceiver tuaj yeem ploj mus sai. Kev xaiv cov optics sib xws yog qhov tseem ceeb - siv hom tsis raug tuaj yeem txhais tau tias yuav cov khoom siv kho vajtse ntxiv lossis cov xov hlau kho hom, txhua tus ua rau muaj cov nqi zais. Kev npaj rau kev hloov kho mus sij hawm ntev, kev siv tsis zoo thiab kev xaiv rau OEM optics tuaj yeem pab tswj cov nqi no.

Kev Txawj Ntse Txog Kev Teeb Tsa

Kev tau txais cov kab ke fiber hauv online tsis yog ib qho teeb meem yooj yim ntawm kev ntsaws cov cables. Nws yuav tsum tau siv tes ua tes. Cov xov fiber nyias thiab tsis yooj yim tawg, yog li ib qho kev txav tsis raug tuaj yeem ua rau lub txuas puas tsuaj lossis poob lub teeb liab. Kev teeb tsa tsis zoo tuaj yeem ua rau muaj teeb meem, teeb liab poob thiab poob sijhawm tom qab.

Cov kws tshaj lij paub txog kev sib txuas, txuas, thiab tiv thaiv cov cables no. DAIM COUPON): Kev cob qhia raug nqi ntau dua, tab sis nws them rov qab los ntawm kev tsis muaj hluav taws xob tsawg dua thiab lub neej cable ntev dua. Thaum koj npaj nyiaj txiag, nws yog qhov zoo los suav nrog cov nqi rau cov neeg teeb tsa zoo, tsis yog cov khoom siv xwb.

Cov Cuab Yeej Siv Los Ntsuas

Daim Ntawv Teev Cov Cuab Yeej Siv Los Sim:

• Lub ntsuas hluav taws xob kho qhov muag: ntsuas lub zog ntawm lub teeb liab, qhov tseem ceeb rau ob qho tib si ib hom thiab multimode.

• Lub teeb ci: xyuas seb lub cable txuas ntxiv mus li cas.

• Lub tshuab ntsuas lub sijhawm teeb liab (OTDR): nrhiav qhov tsis zoo, kwv yees qhov ntev ntawm cov xov hlau.

• Qhov muag pom qhov txhaum: qhov tawg thiab khoov.

• Kev tshuaj xyuas lub tshuab microscope: ua kom cov connectors huv si.

Kev yuav lossis xauj cov cuab yeej no tsis pheej yig. Kev kuaj tsis yog ib qho kev pom zoo uas ua tiav ib zaug xwb—cov tes hauj lwm xav tau kev kuaj tas mus li kom ruaj khov thiab ceev ceev. Cov cuab yeej zoo ua rau nws yooj yim los ntes cov teeb meem thaum ntxov, thiab cov nuj nqis tuaj yeem ntxiv rau, tshwj xeeb tshaj yog rau cov kev teeb tsa loj lossis sib xyaw ua ke.

Tshaj Li Qhov Tseem Ceeb

Fiber optics tsis yog hais txog ib hom xwb piv rau multimode fiber optic cable; nws yog hais txog kev nkag siab tias koj lub teeb liab mus deb npaum li cas, mus deb npaum li cas, thiab mus deb npaum li cas. Kev kawm txog cov ntsiab lus ntawm kev faib tawm thiab multiplexing npaj koj kom txiav txim siab ntse dua thaum tsim lub chaw khaws ntaub ntawv tshiab lossis txhim kho lub network infrastructure hauv tsev kawm ntawv.

Modal Dispersion

Kev tawg ntawm cov qauv tshwm sim hauv cov fiber ntau multimode vim tias lub teeb tsis mus ncig hauv txoj kev ncaj qha - nws cuam tshuam raws ntau txoj kev, lossis hom, hauv lub fiber loj dua. Cov kev sib txawv no ua rau lub teeb pulses tuaj txog ntawm lub sijhawm sib txawv me ntsis, uas smears tawm lub teeb liab thiab caps nws ncav cuag thiab ceev, tshwj xeeb tshaj yog ntawm qhov ceev dua. Piv txwv li, OM1 multimode fiber tsuas yog muab 33 meters ntawm 10G, OM2 tsuas yog 82 meters - lub qab nthab raug cai rau kev txhim kho hnyav.

• Xaiv cov fibers multimode zoo tshaj plaws (OM3, OM4, lossis OM5) rau kev nce bandwidth thiab ncav cuag.

• Siv cov modules kho teeb liab los ntxuav cov pulses.

• Tseg ib hom fiber rau kev sib txuas ceev ceev, ntev.

• Heartbeat ua kom cov cable khiav luv rau cov OM1 thiab OM2 qub.

Yog tias koj ua dab tsi dhau ntawm kev sib txuas lus hauv chaw ua haujlwm ruam, kev faib tawm modal yuav tsum nrhiav qhov chaw ntawm koj daim ntawv teev npe.

Chromatic Dispersion

Chromatic dispersion rears nws lub taub hau vim tias tsis yog txhua xim (wavelengths) ntawm lub teeb mus ncig ntawm tib lub zog los ntawm iav. Ntawm kev khiav ntev, thiab tshwj xeeb tshaj yog nyob rau hauv ib hom fiber, qhov no ua rau lub teeb liab kis - pulses tuaj yeem ntshav ua ke, ua rau cov ntaub ntawv nyuaj rau decipher ntawm qhov kawg rov qab. Qhov no yog qhov kev txhawj xeeb loj dua thaum koj mus sai dua lossis deb dua, xav txog kev sib txuas fiber hla lub teb chaws.

Lub hauv paus me me ntawm ib hom fiber (8-10 microns) pab txo qhov kev sib kis ntawm modal, tab sis qhov kev sib kis ntawm chromatic tseem nyob. Rau cov tes hauj lwm ntev, cov engineers siv cov fibers dispersion-compensating, uas tuaj yeem ncav cuag ntau tshaj 200 kilometers. Lawv siv cov lasers nqaim-wavelength thiab cov khoom siv hluav taws xob them rov qab los tswj cov teeb liab huv.

Kev faib ua ntau yam ntawm Wavelength Division

Kev faib ua ntau yam ntawm cov kab hluav taws xob, lossis WDM, ua rau lub peev xwm ntawm cov fiber ntau ntxiv los ntawm kev tso cai rau ntau lub teeb liab ntawm cov kab hluav taws xob sib txawv kom kis mus rau tib lub xov tooj fiber ntau multimode tib lub sijhawm. Nws zoo ib yam li kev hloov ib txoj kev mus rau hauv txoj kev loj ntau txoj kab, ua rau koj siv tau qhov zoo tshaj plaws ntawm koj cov cabling fiber optic, uas txuag tau ob qho chaw thiab nyiaj txiag. Qhov kev ua haujlwm zoo no yog qhov tseem ceeb hauv cov tes hauj lwm metro lossis backbone uas tso cov xov tooj fiber ntau ntxiv tsis tas li ua tau.

WDM tsis yog plug-n-play; kev xaiv cov lasers, amplifiers, thiab cov lim dej uas sib phim nrog cov wavelengths kom raug yog qhov tseem ceeb. Qhov no ua kom cov teeb liab tsis tawm los yog poob dej, uas ua rau muaj peev xwm nce qib hauv cov peev xwm bandwidth yog tias tsim nyog.

Saib Tom Ntej

Kev ua tus tswv ntawm cov tswv yim no—modal thiab chromatic dispersion, WDM, thiab qhov sib txawv ntawm multimode fiber optic cable thiab singlemode fiber optic cable—txhais tau tias koj tsis yog tsuas yog xaiv cov cables xwb, koj tab tom tsim lub network uas ceev, crisp, thiab poised rau qhov yuav los.

Kev Txhim Kho Koj Lub Network Yav Tom Ntej

Kev loj hlob yav tom ntej yeej tsis nyob deb ntawm koj lub siab thaum tsim lub network. Tsis muaj leej twg xav rhuav cov cables lossis hloov cov khoom siv txhua ob peb xyoos, yog li kev npaj yog qhov yuav tsum muaj. Kev nthuav dav yog qhov tseem ceeb - zoo li kev yuav ib lub tsev nrog qee chav ntxiv, yog li koj muaj qhov chaw loj hlob mus rau hauv. Networks yuav tsum txhawb nqa ntau txoj kev khiav tsheb, cov khoom siv tshiab, thiab kev ceev ceev mus tom ntej. Yog vim li cas xaiv cov fiber optic cables thiab kho vajtse uas yuav tsis dhau los ua qub sai sai yog qhov tseem ceeb.

Fiber yog ib qho kev xaiv zoo rau kev tiv thaiv koj lub network yav tom ntej vim nws tuaj yeem xa cov ntaub ntawv ntau dua li tooj liab. Streaming, huab, thiab kev hloov cov ntaub ntawv loj txhua yam xav tau cov peev xwm bandwidth siab. Fiber ua haujlwm nrog cov no yam tsis muaj kev ntxhov siab. Rau cov lag luam loj, cov chaw khaws ntaub ntawv, lossis cov tsev kawm ntawv, qhov no txhais tau tias muaj kev txhawj xeeb tsawg dua txog kev tsis sib haum xeeb ntxiv mus, tshwj xeeb tshaj yog thaum siv cov xov hlau fiber optic ib hom.

Cov fiber ib hom ua haujlwm zoo tshaj plaws rau kev khiav ntev dua. Koj pom nws hauv cov tes hauj lwm thoob plaws lub nroog, txuas cov tsev ua haujlwm, lossis hauv cov chaw khaws ntaub ntawv loj nrog qhov chaw tseem ceeb ntawm cov racks. Nws tuaj yeem xa cov cim qhia txhua qhov chaw txog li 40 kilometers tsis muaj kev pab. Qhov no loj heev yog tias koj xav tau ib lub network los npog ib lub tsev kawm ntawv lossis txuas cov chaw nyob deb. Nov yog qhov rub, cov iav ib hom feem ntau muaj tus nqi pib siab dua, tab sis thaum kawg, tshwj xeeb tshaj yog rau kev khiav ntev dua thiab qhov ceev dua, nws feem ntau them rau nws tus kheej.

Cov fiber ntau hom (multimode fiber) pheej yig dua rau kev khiav luv luv—hauv ib lub tsev, lossis txawm tias hauv pem teb. Nws mus tsis tau deb lossis xa cov ntaub ntawv ntau npaum li cas. Cov qauv tshiab xws li OM5 fiber tuaj yeem pab tau—nrog bandwidth txhawb nqa txog 28000 MHz/km—tab sis txawm tias thaum ntawd los, nws tsis tau tsim los rau kev sib txuas hla nroog. Multimode rau kev dhia luv luv thiab kev teeb tsa yooj yim, ib hom rau koj cov phiaj xwm loj.

Kev npaj rau qhov ceev dua tsis yog hais txog cov cables xwb. Xaiv cov transceivers thiab switches uas phim koj cov kev xav tau yav tom ntej. Ceev faj txog kev poob thiab attenuation ntawm lub teeb liab - cov no ua rau lub network ceev puas tsuaj thiab ua rau poob. Kev siv cov multimode fiber optic cables zoo thiab cov connectors kom raug tswj tau qhov tseeb ntawm lub teeb liab.

Tus nqi yuav ib txwm tseem ceeb. Multimode pheej yig dua rau kev khiav luv luv, tab sis ib hom yuav pheej yig dua thaum koj cov kev xav tau nce ntxiv. Kev txiav txim siab zoo yuav txuag tau kev mob taub hau thiab nyiaj txiag hauv lub sijhawm ntev.

Xaus lus

Ob hom fiber ib hom thiab multimode muaj cov txiaj ntsig zoo tiag tiag. Hom ib hom zoo heev rau kev ncav cuag ntev thiab ceev ceev. Multimode haum rau kev khiav luv luv thiab cov nqi qis dua. Ob hom muab cov txiaj ntsig pom tseeb rau ntau yam kev teeb tsa. Fiber tsis yog tsuas yog thev naus laus zis xwb, nws yog li cas peb txuas thiab sib koom. Ib lub chaw ua haujlwm me me, ib lub tsev kawm ntawv loj lossis ib lub tuam txhab pib tshiab uas loj hlob sai, txhua qhov chaw qhia txog kev sib hloov tshiab. Cov nqi, cov khoom siv thiab cov phiaj xwm nthuav dav txhua yam cuam tshuam. Saib rau pem hauv ntej, fiber sib phim hloov pauv kauj ruam rau kauj ruam. Txhawm rau nrhiav koj qhov haum zoo meej, xav txog koj cov kev xav tau thiab ntsib cov lus nug nyuaj. Xav paub ntau ntxiv lossis xav tau kev pab me ntsis xaiv cov fiber zoo? Tiv tauj peb thiab peb yuav tham txog qhov ua haujlwm rau koj.

Cov Lus Nug Feem Ntau

Qhov txawv tseem ceeb ntawm ib hom fiber thiab multimode fiber yog dab tsi?

Cov cable fiber optic ib hom siv lub hauv paus me me rau kev xa cov ntaub ntawv mus deb, ceev ceev, thaum cov cable fiber optic multimode, nrog lub hauv paus loj dua, zoo tagnrho rau kev ncua deb luv dua thiab cov kev daws teeb meem pheej yig.

Hom fiber twg zoo dua rau kev xa cov ntaub ntawv ntev?

Ib hom fiber optic cable yog qhov zoo tagnrho rau kev sib txuas lus ntev, txhawb nqa qhov deb ntev dua nrog qhov tsis tshua muaj zog dua li cov kab hluav taws xob multimode fiber optic ib txwm muaj.

Puas yog multimode fiber pheej yig dua li ib hom fiber?

Muaj tseeb tiag, cov xov hlau fiber optic multimode thiab cov khoom siv feem ntau pheej yig dua, tab sis cov nqi mus sij hawm ntev yuav txawv raws li koj lub network lub peev xwm bandwidth.

Kuv puas tuaj yeem hloov kho dua tshiab los ntawm multimode mus rau ib hom fiber yooj yim?

Nws tuaj yeem ua rau muaj teeb meem nrog cov cables fiber optic singlemode thiab multimode fiber optic siv cov khoom siv sib txawv, yog li kev xav txog yav tom ntej tiv thaiv kev hloov kho kim.

Hom fiber twg yooj yim dua rau kev teeb tsa thiab tswj?

Multimode fiber optic cable feem ntau yooj yim dua thiab pheej yig dua rau kev xa tawm, tshwj xeeb tshaj yog rau qhov deb luv dua.

Kuv yuav xaiv li cas ntawm ib hom fiber thiab multimode fiber rau kuv lub network?

Xav txog koj qhov kev xav tau deb, qhov ceev uas xav tau, thiab peev nyiaj thaum xaiv ntawm singlemode fiber optic cable rau kev siv mus ntev, kev siv ceev ceev thiab multimode fiber optic cables rau kev siv luv luv, pheej yig.

Puas yog ib hom fiber ntau dua yav tom ntej dua li multimode fiber?

Ib hom fiber optic cable muab kev scalability ntau dua rau yav tom ntej bandwidth peev xwm thiab qhov deb xav tau, ua rau nws yog ib qho kev xaiv zoo heev rau yav tom ntej-proofing koj lub network.