G652D vs G657A1 vs G657A2: Cov fibers no muaj cov qauv tsim sib txawv, cov vojvoog khoov, thiab cov nqi attenuation, tsim rau ntau yam xwm txheej hauv network thiab cov kev xav tau xa tawm.

g657a1 thiab g657a2 cov fibers muaj qhov rhiab heev zoo dua, ua rau lawv zoo meej rau qhov chaw nqaim thiab cov qauv teeb tsa convoluted, tshwj xeeb tshaj yog nyob rau hauv nroog lossis sab hauv ib puag ncig.

Cov nqi qis dua hauv G657 series ua kom zoo dua qhov kev xa xov teeb liab, ua kom cov ntawv thov cov ntaub ntawv ceev ceev thiab ntev dua nrog qhov poob tsawg kawg nkaus.

Nws yog nyob ntawm seb koj yuav nrhiav tau cov fiber zoo li cas rau koj cov kev xav tau - kev sib npaug ntawm tus nqi thiab kev teeb tsa nyuaj thiab cov kev xav tau ntawm lub network yav tom ntej. Yog tias koj tab tom npaj rau yav tom ntej, kev nqis peev rau cov fiber siab heev xws li G657A1 lossis G657A2 tuaj yeem xa tus nqi mus sij hawm ntev.

Vim yog qhov rhiab heev ntawm cov fiber, thiab rau cov laj thawj splicing, fiber feem ntau TSIS TXHOB strippable lossis installable ntawm txhua qhov ntev yam tsis muaj kev saib xyuas tshwj xeeb thiab cov khoom siv kom zoo, ua cov kev coj ua zoo tshaj plaws thaum lub sijhawm installation tseem ceeb heev.

Ib yam li niaj zaus, sab laj nrog koj cov kws tshaj lij fiber optics thiab sim cov lej ua tau zoo hauv ntiaj teb kom koj tuaj yeem ntseeg siab tias koj cov fiber xaiv yuav pabcuam koj cov tes hauj lwm tam sim no thiab yav tom ntej.

Cov fiber ib hom yog tsim tawm ntau hom raws li ntau yam kev xav tau hauv cov tes hauj lwm fiber optic. G652d yog nws qhov dej qis thiab qhov sib txuas ntev. G657A1 thiab G657A2 yog cov fibers uas tsis yooj yim khoov, tsim nyog dua rau cov chaw uas cov cables yuav tsum tau ntswj lossis tig hauv qhov chaw nqaim. G657A1 tuaj yeem tiv taus ob peb qhov khoov, thiab G657A2 tuaj yeem tawm tsam cov kab nkhaus hnyav dua - zoo meej rau cov ducts uas muaj neeg coob lossis luv luv hauv tsev. Tag nrho cov hom no ua tau raws li cov lus qhia sib txawv thiab haum rau cov kev teeb tsa sib txawv, yog li kev nkag siab txog lawv cov yam ntxwv tseem ceeb pab xaiv cov fiber tsim nyog rau txhua txoj haujlwm. Lub cev tseem ceeb npog lawv cov lus qhia, daim ntawv thov, thiab cov txiaj ntsig tiag tiag los pab nrog kev xaiv zoo tshaj plaws.

Qhov Sib Txawv ntawm Core Fiber

Cov xov fiber optic tuaj yeem dag ntxias - txawm hais tias lawv zoo li zoo ib yam sab nraud, qhov sib txawv ntawm sab hauv txiav txim siab txhua yam los ntawm qhov ceev mus rau qhov chaw koj tuaj yeem khiav lawv. Tag nrho peb - ​​G652D, G657A1, thiab G657A2 - muaj tib lub 9μm core txoj kab uas hla thiab 125μm cladding txoj kab uas hla, tab sis nws yog qhov sib txawv ntawm qhov ntawd. Nov yog saib ze dua ntawm qhov ua rau lawv txawv thiab vim li cas nws thiaj li tseem ceeb.

1. Kev Khoov Qhov Rhiab

Cov fibers G652D muaj qhov khoov vojvoog tsawg kawg nkaus 30 hli, yog li lawv tsis nyiam qhov tig ntse. G657A1 txo qhov ntawd mus rau 10 hli, thiab G657A2 mus nruj dua ntawm 7.5 hli. Qhov sib txawv no loj heev yog tias koj rub cov cables hauv cov ducts uas muaj ntau yam, cov khoov uas nyuaj mus txog, lossis ntawm cov phab ntsa studs.

Cov qauv tsim uas tsis muaj kev cuam tshuam rau khoov hauv G657 fibers qhib txoj kev ntxiv rau kev xa tawm. Yog li koj tuaj yeem ntes lawv los ntawm thaj chaw nruj yam tsis muaj kev txhawj xeeb txog kev puas tsuaj ntawm lub teeb liab. Rau cov tsev uas muaj ntau qhov tig thiab tig, G657A2 ci ntsa iab tiag tiag.

Yog tias cov fibers khoov ntau dhau, lawv cov kev ua tau zoo poob qis. G652D xav tau kev saib xyuas zoo dua, tab sis G657A1 thiab G657A2 khaws cov teeb liab zoo dua txawm tias muaj ntau xyoo ntawm kev khoov. Kev xaiv qhov ntsuas khoov tsim nyog yuav txuag koj cov mob taub hau tom qab.

2. Kev txo qis

Cov fibers G652D feem ntau qhia txog kev txo qis dua li lawv cov kwv tij G657. Ib km, G652D tuaj yeem muaj 0.35 dB poob ntawm 1310nm, nrog G657A1 thiab A2 yog me ntsis ntau dua tab sis feem ntau tseem nyob hauv qab 0.4 dB / km.

Qhov txo qis attenuation yog qhov tseem ceeb rau kev khiav ntev - xws li kev txuas cov nroog lossis cov chaw khaws ntaub ntawv. Rau cov kev sib txuas luv luv, qhov me me ntawm G657 qhov attenuation tsis suav nrog ntau. G657A1 thiab G657A2 ci ntsa iab nrog qhov poob qis splice (0.02-0.05 dB), kev tswj cov kev sib txuas ruaj khov thiab yooj yim.

Kev txo qis txiav txim siab qhov deb ntawm cov teeb liab tuaj yeem mus ncig ua ntej xav tau cov repeaters. G652D ua rau kev poob mus ntev tsawg dua, G657 hom npog yuav luag txhua yam kev xav tau hauv tsev yam tsis muaj teeb meem.

3. Kev tawg tawm

G652D thiab G657 fiber muaj cov nqi sib txawv, vim lawv qhov loj me ntawm cov tub ntxhais. Rau kev sib txuas ceev lossis ntev, G652D feem ntau yog qhov nyiam vim nws cov khoom sib txawv yooj yim dua.

Hauv kev teeb tsa ntev, cov tes hauj lwm qee zaum xav tau kev them nyiaj rau kev sib kis nrog G652D kom tswj tau cov ntaub ntawv kom meej. Rau kev khiav luv luv lossis hauv tsev, qhov no tsis yog qhov txhawj xeeb loj, thiab G657 fibers zoo tsis muaj kev pabcuam.

4. Kev Tsim Kho Tshuab

Tag nrho peb lub fibers yog ruggedly crafted, tab sis G657A1 thiab G657A2 tig lub toughness me ntsis rau gnarly installs. G657A2, tshwj xeeb, deals me me khoov thiab nruj rub ntau admirably, yog vim li cas nws yog ib tug ntom nroog network staple.

G652D tuaj yeem kav ntev li ntau xyoo yog tias kho tau zoo, tab sis nws tsis zam txim yog tias koj jab nws tawm tsam lub ces kaum ntse. G657 fibers ruaj khov dua hauv kev ua haujlwm hnyav lossis sab nraum zoov, txo cov tsheb thauj khoom dov.

Nrog rau cov yam ntxwv tseem ceeb ntawm kev tsim qauv - qhov loj me ntawm lub hauv paus, cladding thiab txheej - G657 hom tuaj yeem mus rau qhov chaw uas G652D tsuas yog ua tsis tau.

5. Cov Ntaub Ntawv Txog Tus Nqi

G652D yog tus qauv rau kev khiav loj, ntev thiab feem ntau pheej yig dua ib 'meter'. G657A1 thiab G657A2 tej zaum yuav kim dua me ntsis thaum xub thawj, tab sis lawv them rov qab nrog kev yooj yim dua rau kev teeb tsa hauv cov chaw nqaim.

Yog tias koj tab tom txuas hluav taws xob rau lub tsev uas muaj ntau qhov nkhaus, G657 tuaj yeem txo cov nqi zog ua haujlwm thiab ua kom koj lub installation ruaj khov yav tom ntej. Thaum nws los txog rau kev sib txuas sab nraud loj, G652D tseem yog qhov kev xaiv pheej yig.

Raws li lub sijhawm dhau los, kev xaiv cov fiber zoo tuaj yeem txhais ua cov thaj ua rau tsawg dua thiab txo lub sijhawm downtime, ua pov thawj rau cov xees ntxiv.

Cov Xwm Txheej Zoo Tshaj Plaws rau Kev Xa Mus Los

Kev xaiv cov fiber zoo tshaj plaws rau txhua qhov project tuaj yeem muaj kev cuam tshuam loj heev rau koj lub network qhov ceev, kev ntseeg siab, thiab tus nqi. Txhua lub fiber, G652D, G657A1 thiab G657A2 muaj qhov chaw zoo uas nws ua tau zoo tshaj plaws.

Kev Sib Txuas Lus Ntev

G652D fibers yog tsim rau cov tes hauj lwm ntev. Lawv qhov kev txo qis thiab muaj ntau yam ua rau lawv yog qhov kev xaiv rau cov kev sib txuas rov qab uas nthuav dav ntau pua lossis txawm tias ntau txhiab mais. Lawv tswj tau txog li 3000 km rau 10 Gbit / s, thiab txog li 80 km rau 40 Gbit / s, yog li lawv yog cov khoom tseem ceeb rau kev tsim kho telecom loj.

G657A1 thiab G657A2 tsis tshua muaj rau cov kab ntev. Lawv qhov zoo tseem ceeb yog qhov tsis cuam tshuam rau kev khoov, tsis yog qhov deb. Txawm li cas los xij, hauv cov kev uas muaj ntau qhov tig nruj lossis cov ces kaum nyuaj, G657A2 lub vojvoog khoov 7.5 hli tuaj yeem pab tiv thaiv kev poob teeb liab. Txawm li cas los xij, rau feem ntau cov kev taug kev ntev, G652D yog qhov yuav tsum muaj, tshwj tsis yog tias txoj kev hla dhau cov nroog loj.

Kev xaiv cov fiber tsim nyog yuav tsum xav txog bandwidth, attenuation thiab txoj kev geometry. Hauv kev khiav tiaj tus, qhib, G652D yeej tus nqi thiab qhov zoo ntawm lub teeb liab. Hauv cov nroog, qhov twg cov cables yuav tsum ntswj thiab tig, G657A2 yuav tsim nyog rau qhov zoo dua rau kev teeb tsa yooj yim dua.

Fiber-rau-Lub-Tsev

G657A1 thiab G657A2 tam sim no yog cov qauv fiber-rau-lub-tsev mus-rau-siv. Lawv tus qauv tsim uas tsis cuam tshuam rau kev khoov tso cai rau cov neeg teeb tsa kom ntes cov cables hla qhov chaw nyuaj mus txog, cov npoo khawb, thiab cov ces kaum yam tsis muaj kev poob teeb liab. Cov no ua rau lawv zoo tagnrho rau cov tsev nyob hauv nroog thiab cov nroog nyob deb nroog qhov twg kev teeb tsa huv si, tsis pom kev yog qhov tseem ceeb.

Lawv xav tau kev pabcuam sai thiab txhim khu kev qha ntawm lawv lub tsev. Cov fibers uas tsis khoov tau ua kom lub teeb liab ruaj khov txawm tias lub cable khoov tom qab phab ntsa lossis hauv qab pem teb. Qhov no txhais tau tias txo cov kev hu xov tooj pabcuam thiab cov neeg siv khoom zoo siab.

Cov neeg teeb tsa nyiam G657A1 thiab G657A2 vim lawv txo lub sijhawm teeb tsa thiab kev ntxhov siab. Cov qauv qhia tau tias muaj ntau lub network xaiv cov fibers no rau kev tsim kho tshiab thiab kev hloov kho tshiab.

Cov Chaw Khaws Cov Ntaub Ntawv

Cov chaw khaws ntaub ntawv xav tau cov bandwidth siab, tig nruj, thiab cov racks ntom. G652D fibers tau ua zoo heev rau qhov taw tes rau taw tes, tsis muaj kev sib txuas. Thaum cov racks ze dua thiab cov kev taug kev nruj dua, kev lag luam tab tom hloov mus rau G657A1 thiab G657A2 rau lawv cov khoom khoov-tsis rhiab heev. Qhov kev hloov pauv no tau tso cai rau cov chaw khaws ntaub ntawv kom jam ntau cov cables rau hauv cov tais me me yam tsis muaj kev txhawj xeeb txog kev puas tsuaj ntawm lub teeb liab.

Cov xov hlau uas tsis khoov ua rau txav thiab hloov pauv du thiab. Cov chaw khaws ntaub ntawv tuaj yeem nthuav dav lossis rov ua dua sai dua, vim tias cov xov hlau tuaj yeem cua thiab rub tawm yam tsis poob kev ua tau zoo.

Kev Siv Cable Hauv Tsev

Sab hauv, G652D fibers ua haujlwm rau kev thauj khoom luv luv. Thaum chav tsev tsawg - xws li hauv phab ntsa, pem teb, lossis cov txee hluav taws xob uas muaj ntau yam - G657A1 thiab G657A2 ua tau zoo. Lawv qhov me me ntawm qhov khoov ua rau muaj kev puas tsuaj tsawg dua yog tias ib tus neeg khoov lub cable tsis raug.

Yog li ntawd, nws yog ib qho teeb meem ntawm qhov kev teeb tsa lub tsev, kev txav mus los uas xav tau, thiab qhov chaw khiav cable.

G657A1 thiab G657A2 pab cov tsev uas ruaj khov rau yav tom ntej vim muaj ntau lub cuab yeej txuas nrog thiab xav tau kev kub ceev dua.

Kev Teeb tsa thiab Kev Sib Txuas

Kev teeb tsa thiab kev sib txuas ua tiav yog qhov tseem ceeb rau kev ua haujlwm ntawm fiber. Kev teeb tsa zoo, kev sib txuas ntse thiab cov cuab yeej zoo ua kom koj cov kev sib txuas ruaj khov thiab txhim khu kev qha, tsis hais koj ua haujlwm nrog G652D, G657A1 lossis G657A2. Txhua hom fiber ua haujlwm sib txawv me ntsis, tshwj xeeb tshaj yog nyob rau hauv qhov chaw nruj thiab nyob rau hauv kev ntxhov siab.

Kev Ua Haujlwm

Cov fibers G657A1 thiab G657A2 uas tsis muaj zog khoov tau tuaj yeem tiv taus cov khoov nruj dua li G652D. G657A1 muaj lub vojvoog khoov 10 hli, thaum G657A2 poob qis mus rau 7.5 hli. Qhov no tso cai rau lawv kom zoo rau hauv cov txee, cov khib nyiab, thiab cov chaw uas muaj qhov chaw siab. Txawm hais tias qhov kev ywj pheej no, kev tuav tsis zoo lossis cov khoov ntse dhau lawv qhov txwv tseem tuaj yeem ua rau cov fibers lossis ua rau puas tsuaj.

Cov xov hlau yuav tsum nyob twj ywm rau ntawm lawv cov reels kom txog thaum siv, khaws cia kom deb ntawm cov dej noo thiab hmoov av. Thaum thauj lawv, tsis txhob poob cov reels lossis muab tso rau siab dhau. Kev ua haujlwm yooj yim, tab sis lawv tiv thaiv cov kab nrib pleb me me lossis cov tsho tawg uas sau npe ua cov teeb liab tsis muaj zog hauv kab. Thaum kawg, kev siv tsis zoo yuav ua rau cov xov hlau puas tsuaj sai dua, ua rau cov nuj nqis thiab kev puas tsuaj ntau ntxiv vim yog kev hloov pauv.

Cov kws tshaj lij yuav tsum tsis txhob hnov ​​qab cov hnab looj tes, cov xov paj huv si, thiab cov khoom siv rub uas tsim nyog thiab tsis muaj kev ntxhov siab. Kev saib xyuas me ntsis ntawm qhov chaw yuav zam kev ntxhov siab tom qab.

Kev Sib Txuas Lus

Kev sib txuas ua ke yog txoj kev zoo tshaj plaws rau G652D, G657A1 thiab G657A2. Qhov no muab kev sib txuas ruaj khov, tsis muaj kev poob qis. Rau G657A1 thiab G657A2, kev poob ntawm kev sib txuas yog kwv yees li 0.02-0.05 dB - yuav luag tsis pom. G652D siab dua me ntsis, ntawm 0.05-0.1 dB, tab sis qhov ntawd tseem zoo rau feem ntau ntawm kev npaj. Qhov kev poob ntawm kev sib txuas kom raug tswj hwm lub teeb liab ntawd kom meej thiab ruaj khov.

Kev sib xyaw cov hom fiber yog ib txwm muaj, tshwj xeeb tshaj yog kev sib txuas G657A1 lossis G657A2 tshiab rau cov kab G652D qub. Lawv sib txuas ua ke zoo nkauj, tab sis nws them taus siv cov cuab yeej txiav thiab cov cuab yeej sib txuas ua ke siab. Lwm cov kws tshaj lij muaj teeb meem sib txuas ntau hom vim muaj qhov tsis sib xws me me hauv qhov loj me lossis cov txheej txheem. Kev npaj zoo thiab siv cov cuab yeej calibrated daws feem ntau ntawm cov kev txhawj xeeb no.

Kev Teeb Tsa thiab Kev Dais Teeb Meem

Kev khiav cov xov hlau hauv cov khib nyiab uas muaj neeg coob coob lossis nyob ib puag ncig cov ces kaum ntse ntse tsav G652D dhau nws cov kev txwv khoov, ua rau muaj kev phom sij ntawm kev tawg lossis kev poob loj. G657A1 thiab G657A2 yog tsim los rau cov haujlwm no, ua rau cov kev nyuaj ua tau yam tsis muaj kev poob teeb liab loj, tsuas yog 0.1-0.2 dB ib qho khoov nruj.

Cov hmoov av, dej noo thiab qhov chaw cia khoom tsis zoo FUBAR projects. Kev tshuaj xyuas yooj yim—kev tso cov connectors, cov reels qhuav, cov khoov mos—ua rau cov cables mus deb thiab cov tes hauj lwm nyob ruaj khov.

Kev Xaiv Txuas thiab Khoom Siv

Xaiv cov connectors tsim nyog rau koj lub fiber, tshwj xeeb tshaj yog rau G657A2 uas xav tau ntau yam khoom uas khoov tau. Cov khoom siv fusion splicers thiab cleavers zoo tshaj plaws ua haujlwm zoo tshaj plaws rau peb yam, txawm li cas los xij, kev siv cov khoom siv uas tsim rau koj lub fiber diameter yuav ib txwm ua rau muaj kev sib txuas zoo dua.

Kev Cuam Tshuam ntawm Kev Tsim Kho Network

Xaiv ntawm G652D, G657A1, thiab G657A2 cov qauv tsim txhais tau tias qhov tsos thiab cov txheej txheem ntawm lub network. Hom fiber tuaj yeem cuam tshuam qhov chaw koj tso cov cables, xaiv cov khoom siv kho vajtse thiab teem sijhawm hloov kho. Txhua lub fiber muaj nws lub zog uas tshwm sim hauv ntau qhov chaw sib txawv - qhov chaw nruj, thaj chaw sib txuas, lossis cov tes hauj lwm ntev. Kev sib xyaw ua ke zoo sib npaug tus nqi, kev ua tau zoo thiab qhov tseem ceeb kom nyob ua ntej ntawm kev hloov pauv thev naus laus zis sai.

Kev Faib Nyiaj Txiag

Nyiaj txiag txhawb kom muaj ntau txoj kev xaiv hauv network. G652D fiber feem ntau pheej yig dua thaum pib, ua rau nws zoo nkauj rau cov tsev uas tsis muaj nyiaj ntau. G657A1 thiab G657A2 tuaj yeem txo cov nuj nqis faus tom qab. Piv txwv li, G657 fibers khoov nruj dua—A1 txog 10mm, A2 txog 7.5mm—yog li koj tuaj yeem siv qhov chaw tsawg dua thiab xav tau cov tais cable tsawg dua hauv cov chaw khaws ntaub ntawv nqaim lossis cov txee me me. Qhov ntawd txuag tau cov khoom siv kho vajtse thiab cov nqi zog ua haujlwm.

Tus nqi siab dua ntawm G657s them rov qab yog tias koj xav tau ntau qhov khoov lossis ua haujlwm hauv cov teb uas muaj ntau qhov chaw tuab. Nws yog qhov zoo los xav txog qhov zoo ntawm tiam neeg piv rau tus nqi siab dua. Yog tias koj lub network yuav raug tsiv chaw lossis rov teeb tsa dua ntau zaus, kev xaiv G657 tuaj yeem txhais tau tias yuav txo qhov kev saib xyuas thiab txo cov teeb meem teeb liab. Ib txwm muab koj cov nyiaj siv rau qhov xav tau ntawm koj qhov project, tsis yog tus nqi nplaum xwb. Xav txog dhau ntawm cov nqi yuav thawj zaug, rau kev kho, lub sijhawm tsis ua haujlwm lossis cov khoom ntxiv.

Kev Txhim Kho Yav Tom Ntej

Cov tes hauj lwm yuav tsum ua raws li cov thev naus laus zis tshiab thiab cov ntaub ntawv ntau ntxiv. G657A1 thiab A2 fibers pab nrog qhov no vim lawv ua tau zoo hauv qhov chaw nqaim, npaj lawv rau cov khoom siv siab dua thiab cov khoom siv tom ntej. Thaum cov nroog nthuav dav thiab cov tsev cram ntau cov cables, qhov me me ntawm G657 fibers ua rau kev hloov kho dua tshiab thiab kev hloov pauv yooj yim yam tsis rub tawm cov kab qub.

Kev siv G652D txwv tsis pub koj muab cov khoom tso rau hauv qhov chaw nqaim - qee yam uas suav tias tseem ceeb zuj zus txhua xyoo. Cov qauv kev sib txuas lus taw qhia rau kev npaj modular yooj ywm. Kev xaiv G657A1 lossis A2 thaum lub sijhawm tsim niaj hnub no txhais tau tias yuav tsis muaj teeb meem ntau thaum koj xav kom ceev lossis muaj peev xwm ntau dua. Nws zoo li lub qhov rooj qhib rau cov thev naus laus zis tshiab thiab cov ntaub ntawv loj dua.

Kev Ncaj Ncees ntawm Lub Teeb Liab

Lub zog ntawm lub teeb liab dai rau ntawm koj qhov kev xaiv fiber. Kev khoov lub fiber ntau dhau tuaj yeem ua rau lub teeb liab poob, ua rau poob thiab ua yuam kev. G657 fibers tiv thaiv qhov no zoo dua li G652D, khaws lub zog teeb liab txawm tias nyob ib puag ncig cov khoov nruj. Qhov no yog qhov tseem ceeb hauv cov tes hauj lwm uas nqa ntau cov ntaub ntawv sai heev, zoo li hauv cov chaw khaws ntaub ntawv.

Ob qho tib si G652 thiab G657 fibers muaj cov qauv zoo sib xws rau cov khoom xws li kev sib kis thiab wavelength, yog li qhov kev hloov pauv tsis ua rau tag nrho cov kev ua tau zoo poob qis. Hauv kev siv ua haujlwm, G657 qhov kev kam rau siab khoov kav qhov twg cov cables hla dhau thaj chaw txwv. Txhawm rau kom cov teeb liab huv si, siv cov khoov maj mam, zam cov cables pinched, thiab ua raws li cov lus qhia ntawm cov chaw tsim khoom rau cov fiber tshwj xeeb.

Tshaj Li Cov Qauv

Cov xov hlau fiber optic yuav zoo li zoo sib xws, tab sis lawv zaj dab neeg khiav tob dua li koj pom ntawm cov ntawv qhia tshwj xeeb. Kev siv tiag tiag, qhov sib txawv me me hauv lawv cov khoom siv tes ua, thiab qhov tshwm sim thaum lawv tawm ntawm kab sib dhos - cov no ua ke txhais lawv qhov xwm txheej hauv qhov kev ua si. Kev paub txog cov kev sib txawv no sib npaug rau kev mob siab tsawg dua thiab kev xaiv lub voj voog ntse dua.

Kev Tsim Khoom Nuances

Lawv tsim cov G652D fiber li cas ua rau nws txawv ntawm G657A1 lossis A2. G652D fibers yog ib txoj kev yooj yim uas tau ua kom zoo dua rau ntau xyoo, yog vim li cas lawv thiaj li nyob txhua qhov chaw hauv web. ITU-T faib G652 ua plaub: A, B, C, D. G652D yog qhov tseem ceeb rau nws qhov dej qis thiab kev siv wavelength zoo dua vim yog kev hloov kho hauv cov khoom siv thiab cov txheej txheem.

G657A1 thiab A2 xav tau kev saib xyuas ntau dua hauv kev tsim khoom. Lawv lub hauv paus iav yog tsim los nrog cov khoom siv txhim kho kev khoov. Yog vim li cas G657A2 tuaj yeem khoov mus rau 7.5 hli xwb, thaum G657A1 zawm mus rau 10 hli. Kev xaiv cov khoom siv hauv qhov no yeej tseem ceeb heev. Qhov khoov nruj dua, qhov muaj feem yuav txo qis, yog li cov iav thiab cov txheej txheem txheej txheem zoo dua pab tswj kev poob qis.

Kev Ua Tau Zoo Hauv Lub Ntiaj Teb Tiag

Cov lej hauv chaw kuaj mob qhia txog qhov thresolds, tab sis kev siv hauv thaj teb ua rau muaj kev xav tsis thoob. G652D, nrog nws qhov kev txo qis qis (qis dua 0.4dB / km) yog tus qauv kub rau kev khiav ntev. Koj yuav pom nws hauv cov tes hauj lwm tseem ceeb, qhov twg txoj kev ncaj qha = tsawg dua hops. Txawm li cas los xij, G657A1 thiab A2 ci ntsa iab hauv txoj kev hauv nroog lossis cov tsev uas muaj neeg coob coob. Lawv lub vojvoog me me - tsuas yog 7.5 hli rau A2 - tso cai rau lawv kom hla dhau qhov chaw nqaim nrog qhov poob teeb liab tsawg kawg nkaus.

Ib txoj kev tshawb fawb hauv ib lub tsev siab tau qhia tias G657A2 tswj tau cov ces kaum ntse thiab cov kav dej nruj nrog kev yooj yim, thaum G652D xav tau kev ua haujlwm ntxiv thiab kev ua haujlwm. Splicing G652D thiab G657A1) Xav tias yuav muaj kev nce me ntsis ntawm kev poob splice - kwv yees li 0.05 txog 0.1dB, tab sis feem ntau yog kev lag luam ncaj ncees rau kev ua tau ntau yam.

Kev sim hauv thaj teb yog qhov tseem ceeb. Cov khoov tiag tiag, kev sib txuas thiab kev rub tawm qhia txog cov ciam teb uas tsis tau saib xyuas hauv chav kuaj. Saib qhov attenuation, PMD, kev poob sib txuas thiab qhov tsawg kawg nkaus khoov radius ua ntej xaiv fiber. Kev sib xws suav: G657A phim G652D, ua rau kev hloov kho yooj yim.

Xaiv Qhov Yog

Xaiv cov xov hlau G.652.D, G.657.A1, thiab G.657.A2 xav tau ntau dua li kev saib cov lus qhia tshwj xeeb. Nws yog hais txog kev nkag siab txog txhua hom lub zog thiab qhov chaw. Txhua qhov project tsis zoo ib yam - qhov kev xaiv zoo hauv lub thoob lossis ib nkas loos tuaj yeem txuag koj lub sijhawm thiab nyiaj txiag, thiab ua kom tej yam khiav zoo!

Ib daim ntawv teev cov khoom yooj yim tuaj yeem pab tau. Ua ntej, xyuas kom meej qhov tsawg kawg nkaus ntawm qhov khoov vojvoog. G.652.D xav tau qhov khoov loj, kwv yees li 30 hli, yog li nws ua haujlwm zoo dua hauv cov chaw uas muaj qhov tig me me thiab khiav ntev. G.657.A1 tuaj yeem pabcuam cov khoov nruj dua ntawm 10 hli, thaum G.657.A2 mus ntxiv rau 7.5 hli. Hauv cov chaw nyuaj mus txog - xov hlau los ntawm phab ntsa lossis hauv qab pem teb - G.657.A2 yog tus yeej tsis muaj kev sib cav. Qhov nkhaus nruj dua ntawd tsis yog tsis muaj nqi. G.657.A1 thiab G.657.A2 txo qis ntau dua qhov deb, yog li lawv tsis zoo tagnrho rau kev sib txuas transcontinental.

Xav txog cov mais. Rau cov kev ntev, xws li cov xov hlau hauv nroog, G.652.D ua tau zoo heev vim nws tswj tau qhov poob qis. Rau cov haujlwm hauv tsev / chaw ua haujlwm, tshwj xeeb tshaj yog FTTH, G.657.A1 lossis A2 haum zoo dua. Lawv tsis mloog cov ces kaum nruj, uas yog kev pab loj hauv cov chaw me me.

Qhov loj ntawm cov tub ntxhais kuj tseem ceeb thiab. G.652.D muaj cov tub ntxhais loj dua, yog li nws yog qhov kev xaiv zoo dua yog tias koj tab tom cuam tshuam nrog cov khoom siv qub lossis hloov kho lub network qub. G.657.A1 thiab A2 yog cov tub ntxhais me dua, uas zoo rau kev tsim kho tshiab.

Qhov poob ntawm kev sib txuas yog lwm qhov uas yuav tsum nrhiav. G.652.D feem ntau yuav muaj qhov poob qis dua (0.02-0.05 dB), nrog G.657.A1 thiab A2 siab dua me ntsis (0.05-0.1 dB). Qhov attenuation ntawm 1310 nm yog kwv yees li tib yam rau tag nrho peb - ​​0.36 dB / km - yog li ntawd tsis ua rau muaj kev cuam tshuam ntau.

Ua ntej koj xaiv, nrog ib tug kws tshaj lij tham. Lawv tuaj yeem saib koj lub xaib, saib seb koj xav tau dab tsi, thiab pom zoo qhov yog. Xav txog koj cov peev nyiaj. G.657.A1 thiab A2 feem ntau kim dua, tshwj xeeb tshaj yog tias koj xav tau ntau lub xov hlau.

Yuav kom luv luv ib zaj dab neeg, haum lub fiber rau txoj haujlwm, xav txog chav thiab qhov chaw ua pa, saib seb nws puas phim koj cov thev naus laus zis, thiab sab laj yog tias tsim nyog.

Xaus lus

G652D zoo heev rau txoj kev ntev thiab ncaj qha. G657A1 khoov ntau dua, yog li nws ua haujlwm zoo hauv thaj chaw nqaim tab sis tseem ua haujlwm tau zoo dua qhov deb. G657A2 khoov ntau tshaj plaws thiab haum zoo rau cov chaw nyuaj rau ncav cuag, cov chaw ntse, xws li cov ces kaum lossis cov kav dej me me. Txhua tus muaj lawv tus kheej sib xyaw ntawm kev tawv thiab kev siv tau zoo. Tsis muaj ib qho zoo tshaj plaws rau txhua txoj haujlwm, tab sis txhua tus ci ntsa iab hauv qhov chaw zoo. Tau ntsib nws hauv kev tsim kho hauv nroog, cov tsev qub lossis cov chaw ua lag luam bustling - txhua txoj hlua ua rau koj txoj kev sib txuas zoo. Xav ua kom cov tes hauj lwm ntse dua, lossis xaiv cov fiber tsim nyog rau koj qhov project tom ntej? Nug, sib qhia kev paub, thiab pab lwm tus nrog lawv txoj kev kawm.

Cov Lus Nug Feem Ntau

Qhov txawv tseem ceeb ntawm G652D, G657A1, thiab G657A2 cov fibers optical yog dab tsi?

G652D yog cov fiber ntau ib hom uas tsis muaj dej ntau. G657A1 thiab G657A2 yog cov fiber uas tsis yooj yim khoov, nrog rau G657A2 muaj kev ua tau zoo khoov kom txhawb nqa qhov chaw nqaim.

Hom fiber twg zoo tshaj plaws rau kev khoov nruj lossis siv sab hauv tsev?

G657A2 zoo tagnrho rau cov qhov nkhaus nruj thiab cov chaw sab hauv tsev. Nws qhov kev khoov siab tsis hnov ​​​​​​mob zam kev poob teeb liab hauv kev teeb tsa nruj.

Puas yog G652D thiab G657A fibers tuaj yeem sib txuas ua ke?

Muaj tseeb tiag, G652D yog sib txuas ua ke nrog G657A1 lossis A2 fibers. Yuav tsum tau ua tib zoo splicing kom txo qhov attenuation.

Puas muaj qhov sib txawv ntawm tus nqi ntawm G652D, G657A1, thiab G657A2?

Tseeb tiag, G657A1 thiab A2 fibers feem ntau kim dua G652D. Qhov zoo tshaj plaws yog vim lawv qhov kev ua tau zoo dua.

Kuv yuav tsum xav txog dab tsi thaum xaiv cov fibers no rau kev tsim network?

Xav txog qhov chaw teeb tsa, lub vojvoog khoov, thiab kev hloov kho yav tom ntej. G657A2 zoo meej rau cov qauv siab lossis cov qauv nyuaj thiab G652D ua haujlwm zoo heev hauv kev khiav ncaj qha, sab nraum zoov.

Puas yog G657A1 thiab G657A2 txhawb nqa cov ntaub ntawv ceev ib yam li G652D?

Yog, txhua tus txhawb nqa cov nqi ntaub ntawv zoo sib xws. Qhov txawv yog nyob rau hauv kev ua tau zoo ntawm kev khoov, tsis yog lub peev xwm kis tau.

Puas yog G652D tseem tsim nyog rau cov tes hauj lwm fiber niaj hnub no?

Yog lawm, G652D tseem yog qhov zoo rau ntau qhov xwm txheej, suav nrog cov tes hauj lwm sab nraum zoov ntev. Cov fibers uas tsis muaj zog zoo li G657A2 zoo dua rau cov qauv niaj hnub, qhov chaw txwv.