Ib hom fiber ntau yog dab tsi?
Ib hom fiber ntau: lub iav nruab nrab yog heev nyias (lub taub loj yog feem ntau 9 lossis 10m), uas tuaj yeem tsuas xa tau ib hom fiber ntau. Yog li ntawd, kev cuam tshuam sab nraud me heev, uas tsim nyog rau kev sib txuas lus hauv chaw taws teeb.
Dab tsi yog multimode fiber?
Multimode optical fiber jumper adopts multimode optical fiber, nrog cov txuas ntawm ob qho kawg kom paub qhov kev sib txuas los ntawm cov cuab yeej siv mus rau cov hlua fiber txuas. Nws muaj cov tuab thaiv txheej txheej, thiab feem ntau yog siv rau qhov txuas ntawm qhov kho qhov muag davhlau ya nyob twg thiab lub thawv davhlau ya nyob twg. Multimode fiber ntau tso cai sib txawv cov qauv ntawm lub teeb kis rau ib tus fiber ntau. Vim yog lub dav loj ntawm cov kab fiber ntau ntawm fiber ntau, qhov pheej yig txuas txuas thiab txuas txuas tau siv. Cov tub ntxhais qhov taub ntawm multimode fiber ntau yog 50m rau 100m.
Dab tsi yog qhov sib txawv ntawm ib hom fiber ntau thiab multimode fiber?
Ib hom fiber ntau tsuas muaj tib txoj kev tawm, uas feem ntau siv rau kev sib kis ntev. Kev siv bandwidth ntawm ib hom fiber ntau yog 2000MHz / km, thaj tsam 1550nm wavelength yog tib hom fiber ntau kev sib txuas lus hom; 1310nm wavelength cheeb tsam muaj ob hom multimode thiab ib-hom. Cov tub ntxhais txoj kab uas hla ntawm cov fiber ntau hom yog me me (kwv yees li 10 hli), tsuas yog ib hom kev kis tau tus mob tau tso cai, thiab cov khoom tawg tau me me. Nws ua haujlwm ntawm ntev ntev ntev (1310 nm thiab 1550 nm), yog li nws nyuaj rau ob peb nrog cov khoom siv kho qhov muag. Ib hom kho qhov muag fiber ntau feem ntau siv hauv cov kab nrog kev sib kis ntev thiab tus nqi sib kis sib kis, xws li cov kab sib tw ntev kab, txiv neej siv, thiab lwm yam. , thiab kis tau tus mob ntev yog ntev.
Multimode fiber Lub 850nm wavelength cheeb tsam yog multimode optical fiber ntau kev sib txuas lus hom; multimode optical fiber feem ntau siv nyob rau hauv cov network muaj qhov sib kis tsawg thiab qhov kis tau luv luv, xws li thaj chaw hauv cheeb tsam, thiab lwm yam hauv cov network no, feem ntau muaj nodes ntau, ntau cov pob qij txha, ntau khoov, ntau qhov cov khoom sib txuas thiab cov couplers, thiab ntau lub teeb pom kev ib ntu fiber ntau ntev. Kev siv ntawm multimode optical fiber tuaj yeem txo tus nqi ntawm Network Network nqi. Lub hauv paus loj ntawm multimode fiber yog loj (62.5mm lossis 50mm), tso cai rau pua pua ntawm cov qauv xa mus, nrog cov kis loj, ua haujlwm ntawm 850nm lossis 1310nm. Txoj kev txuas nrog cov cuab yeej hluav taws xob tsis zoo kuj yooj yim heev. Feem ntau, cov dhia ua hluav taws xob tau sawv cev los ntawm cov txiv kab ntxwv, qee qhov sawv cev los ntawm grey, thiab cov txuas thiab lub tsho tiv thaiv yog sawv cev los ntawm beige lossis dub; kis nrug deb yog luv. Multimode fiber ntau jumper kuj muaj 10 Gigabit multimode fiber, feem ntau OM3 thiab lwm yam tshwj xeeb, xim yog xim xiav.
Ib hom fiber ntau thiab multimode fiber yog txawv ntawm txhua lwm yam hauv rau (6) yam: ntxhais taub, lub teeb ci, bandwidth, sheath xim, modal dispersion thiab tus nqi.
1. Lub taub hau
Ib hom fiber ntau: ib hom fiber ntau hom yog 8 thiab 10 μ m ntxhais taub, cladding diam yog 125 μ m.
Multimode fiber: qhov dav dav multimode fiber ntau yog 50 thiab 62.5 μ m ntxhais taub, cladding diam yog 125 μ m.
2. Lub teeb ci ci
Ib hom fiber ntau: nrog laser ua lub teeb pom kev, tus nqi kim dua li ntawm cov teeb ci LED, lub teeb pom kev los ntawm cov teeb ci laser tuaj yeem tswj tau qhov tseeb, nrog lub zog loj.
Multimode fiber: nrog LED raws li lub teeb pom kev, lub teeb tsim tau tawg.
3. bandwidth
Ib hom fiber ntau: cov hom dispersion tshwm sim los ntawm ntau hom hom yog qhov me dua li ntawm fiber ntau multimode, yog li nws muaj bandwidth ntau dua.
Multimode fiber ntau: nws muaj cov tub ntxhais loj dua, txhawb ntau txoj kev sib kis, thiab muaj kev hloov dua siab dua thiab cov bandwidth tsawg dua cov hom fiber ntau.
4. Sheath xim
Ib hom fiber ntau: daj sab sab sheath.
Multimode fiber: txiv kab ntxwv los yog dej ntsuab sab sab sheath.
5. Qauv tawg yooj yim
Ib hom fiber ntau: lub laser siv los tsav ib hom fiber ntau tsim cov hluav taws xob ib ntab sib npaug, yog li nws cov qauv tawg yog me dua li ntawm cov fiber ntau.
Multimode fiber: vim kev siv ntawm LED lub teeb pom kev zoo, multimode fiber dispersion txwv nws txoj kev sib kis tau zoo nyob deb, muaj cov ntshav sib kis ntau dua, txwv nws cov ntaub ntawv sib kis tau.
6. Nqi
Ib hom fiber ntau: tus nqi yog qis dua li ntawm ob hom fiber ntau, tab sis cov khoom siv ntawm ib hom fiber ntau nws kim dua li ntawm cov hom fiber ntau, thiab tus nqi siab dua li ntawm cov hom fiber ntau.
Multimode fiber: tus nqi yog siab dua li ntawm ib hom fiber ntau, thiab cov khoom siv ntawm multimode fiber ntau pheej yig dua li ntawm ib hom fiber ntau, yog li tus nqi ntawm multimode fiber yog tsawg dua li ntawm ib hom fiber ntau.
Kev ua haujlwm ntawm tib hom fiber ntau: hauv kev sib txuas lus fiber ntau, tib hom fiber ntau (SMF) yog ib hom fiber ntau uas xa cov teeb liab kho qhov muag ncaj qha hauv hom kev hloov pauv. Ib hom fiber ntau tuaj yeem khiav ntawm 100M / s lossis 1g / SDE cov ntaub ntawv tus nqi, thiab qhov kis tau tus mob tuaj yeem ncav tsawg kawg 5km. Feem ntau, ib hom fiber ntau siv rau cov chaw taws teeb kis.
Lub luag haujlwm ntawm multimode fiber: multimode fiber (MMF) yog tsuas yog siv rau kev sib txuas lus luv luv kho qhov muag fiber ntau, xws li hauv cov vaj tsev lossis tsev kawm ntawv. Qhov kis tau tus mob yog 100M / s thiab kis tau tus mob deb yog 2km.
Tseem muaj ntau cov lus nug txog qhov sib txawv thiab siv ntawm ob hom fiber ntau no. Tom ntej no, peb yuav txheeb xyuas qhov sib txawv ntawm ib hom fiber ntau thiab ntau hom fiber ntau los ntawm lawv cov qauv yooj yim, kis qhov kev ncua deb, nqi thiab lwm yam.
1 、 Sib pivntawm cov qauv yooj yim ntawm ib hom fiber ntau thiab multimode fiber
Cov qauv ntawm cov khoom siv fiber ntau feem ntau yog ua los ntawm cov kab xev sab nrauv, cov cladding, cov tub ntxhais thiab lub teeb
Xim qhov txawv ntawm sab hauv hnab riam
Nyob rau hauv kev siv, sab nrauv sheath xim ntawm cov khoom siv fiber ntau tuaj yeem siv kom paub meej sai ib leeg-hom kho qhov muag fiber ntau los ntawm cov qauv kho qhov muag fiber ntau. Raws li lub ntsiab lus txhais ntawm tia-598c txheem, ib hom kho qhov muag fiber ntau OS1 thiab OS2 txais yuav xim daj sab nraud, muaj cov kab hluav taws xob optical fiber ntau om1 thiab OM2 txais yuav txiv kab ntxwv txheej sab nraud, thiab OM3 thiab OM4 txais yuav dej xiav sab nraud pov tseg (rau cov hom phiaj tsis ua tub rog).
Cov tub ntxhais sib txawv
Cov tub ntxhais qhov loj ntawm cov kab hluav taws xob multimode feem ntau yog 50 lossis 62.5 μ m, thiab cov hom fiber ntau yog 9 μ M. Hauv kev pom ntawm qhov sib txawv no, hom fiber ntau tsuas tuaj yeem xa 1310nm lossis 1550nm kho qhov muag teeb rau hauv cov xov hluav taws xob sib txawv, tab sis qhov kom zoo dua ntawm cov tub ntxhais me yog tias cov teeb liab hluav taws xob tshaj tawm raws ib txoj kab ncaj nraim hauv cov hom fiber ntau yam tsis muaj kev cuam tshuam, kev tawg me me thiab kev siv siab; cov hom fiber ntau muaj cov tub ntxhais sib txawv, uas tuaj yeem hloov ntau hom ntawm qhov muab kev ua haujlwm ntawm lub yoj yoj, tab sis tib lub sijhawm, vim cov tub ntxhais me, nws tuaj yeem hloov ntau hom kev xaiv nyob rau hauv ntau hom fiber ntau muaj ntau pua hom kev xa mus, thiab qhov kev tawm mus tas li thiab pab pawg neeg ntawm txhua hom kev sib txawv, uas ua rau cov bandwidth nqaim, qhov loj tawg thiab poob loj.
Qhov sib txawv ntawm cov teeb pom kev zoo
Feem ntau muaj ob hom teeb ci: laser lub teeb ci thiab LED hom teeb ci. Lub teeb laser tau siv rau ntau hom fiber ntau thiab LED lub teeb pom kev zoo siv rau ntau hom fiber ntau.
2 、 sib piv sib kis ntawm qhov sib txawv ntawm ib hom fiber ntau thiab ntau lub fiber
Ib hom fiber ntau yog tsim rau kev sib kis ntev, thiab multimode fiber yog haum rau luv luv kis.
Kev tsim kho ntawm cov chaw nruab nrab cov ntaub ntawv tsuas yog nyob ntawm kev sib kis tau luv. Hauv cov chaw xa hluav taws xob tiv thaiv luv luv, kev ua tiav ntawm cov hom fiber ntau tau sib xws nrog ib hom fiber ntau, tab sis tus nqi qis dua. Tib lub sijhawm, OM3 thiab OM4 ntau hom fiber ntau tuaj yeem txhawb nqa kev kub ceev dua. Nyob rau tam sim no kev kub ceev network, muaj qhov xav tau ntau hom fiber ntau.
3 、 Tus nqi sib piv ntawm ib hom fiber ntau thiab ntau fiber ntau
Raws li tau hais los saum toj no, tus nqi ntawm multimode fiber tsawg dua li ntawm ib hom fiber ntau, uas yog qhov tseem ceeb vim cov nqi ntawm cov khoom siv thiab kho vajtse, xws li tus nqi sib txawv ntawm cov khoom siv hluav taws xob thiab cov khoom siv.
Zoo sib xws, tus nqi sib txawv ntawm multimode fiber ntau thiab tib hom fiber ntau qhov system zoo sib xws, thiab kev tsim kho cov nqi ntawm multimode fiber ntau yog tsawg dua li ntawm ib-hom fiber ntau qhov system.
4 、 Q& amp; Ib ntawm tib hom fiber ntau thiab multimode fiber
1. Puas tuaj yeem ua hom fiber ntau thiab ntau lub fiber ua sib xyaw?
Nyob rau hauv dav dav, nws ua tsis tau. Qhov sib kis tau ntawm ib hom fiber ntau tau sib txawv ntawm qhov ntawm ntau hom fiber ntau. Yog tias ob txoj hlua sib xyaw lossis sib txuas ncaj qha ua ke, nws yuav ua rau poob txuas thiab kab laj kab. Txawm li cas los xij, txuas ib hom thiab ntau hom kev txuas tuaj yeem txuas los ntawm ib hom hloov pauv jumper.
2. Puas muaj peev xwm multimode optical modules siv rau ib hom fiber ntau? Yuav ua li cas hais txog kev siv tib hom kho qhov muag sib txawv ntawm cov xov tooj hluav taws xob multimode?
Multimode optical module tsis tuaj yeem siv rau ib hom kho qhov muag fiber ntau, uas yuav ua rau poob loj; ib hom kho qhov muag tau siv tau rau ntau hom kho qhov muag fiber ntau, tab sis cov kho qhov muag fiber ntau yuav tsum siv los hloov kho cov fiber ntau. Piv txwv, 1000base-lx ib hom kho qhov muag module tuaj yeem ua haujlwm ntawm ntau hom kho qhov muag fiber ntau los ntawm kev siv cov kho qhov muag fiber ntau. Fiber adapter kuj tseem siv tau los daws qhov teeb meem kev sib txuas ntawm tib hom kho qhov muag thiab ntau hom kho qhov muag.
3. Li cas xaiv ib hom fiber ntau thiab multimode fiber?
Kev xaiv ntawm cov tib hom fiber ntau thiab ntau hom fiber ntau yuav tsum ua raws li qhov kev xa khoom tiag tiag thiab nqi. Yog tias qhov kis tau txav deb yog 300-400 meters, multimode fiber yuav siv tau. Yog tias qhov kis tau mus txog ntau txhiab meters, ib hom fiber ntau yog qhov kev xaiv zoo tshaj plaws.
HTF' s cov khoom lag luam zoo tau lees tias, thiab cov khoom siv siv tau yog txawv txawv.
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