Ib fiber optic cable yog ib lub network cable uas muaj cov iav fibers nyob rau hauv ib qho insulated casing. Lawv tau tsim los rau kev ua haujlwm ntev, kev ua haujlwm siab ntawm cov ntaub ntawv sib txuas, thiab kev sib txuas lus. Piv nrog rau cov xov hlau txuas, fiber ntau optic cables muab bandwidth ntau dua thiab xa cov ntaub ntawv ntev dua. Fiber optic cables txhawb ntau lub ntiaj teb internet, cable TV, thiab xov tooj systems.
Fiber optic cables nqa cov teeb liab kev sib txuas lus siv pulses ntawm lub teeb tsim los ntawm cov lasers me lossis lub teeb-emitting diodes.
Yuav ua li cas Fiber Optic Cables Ua haujlwm
Ib fiber optic cable muaj ib los yog ntau tshaj cov iav, txhua tus tsuas yog me ntsis thicker dua tib neeg cov plaub hau. Qhov nruab nrab ntawm txhua txoj hlua yog hu ua lub hauv paus, uas muab txoj hauv kev rau lub teeb rau kev mus los. Cov tub ntxhais yog nyob ib puag ncig los ntawm ib txheej ntawm iav hu ua cladding uas qhia txog lub teeb sab hauv kom tsis txhob poob ntawm lub teeb liab thiab cia lub teeb hla kev khoov hauv lub cable.
Ob hom kev kho qhov muag fiber ntau yog ib hom thiab ntau hom. Ib hom fiber ntau siv cov iav nyias nyias thiab lub laser los tsim lub teeb, thaum ntau hom optical fibers siv LEDs.
Ib hom kev kho qhov muag fiber ntau feem ntau siv Wave Division Multiplexing cov tswv yim txhawm rau txhawm rau nce cov ntaub ntawv khiav tsheb uas cov hlua tuaj yeem nqa tau. WDM tso cai rau lub teeb ntawm ntau qhov sib txawv wavelengths sib xyaw ua ke (multiplexed) thiab tom qab ntawd sib cais (de-multiplexed), ua haujlwm tau zoo xa ntau txoj kev sib txuas lus los ntawm ib lub teeb mem tes.
Qhov zoo ntawm Fiber Optic Cables
Fiber cables muaj ntau yam zoo dua li kev ncua deb ntawm tooj liab.
- Fiber optics txhawb nqa lub peev xwm ntau dua. Tus nqi ntawm lub network bandwidth fiber ntau cable tuaj yeem nqa tau yooj yim tshaj li ntawm cov tooj liab cable nrog cov tuab zoo sib xws. Fiber cables nyob ntawm 10 Gbps, 40 Gbps, thiab 100 Gbps yog tus qauv.
- Vim tias lub teeb tuaj yeem mus tau ntev dua ntawm cov kab fiber ntau yam tsis tau poob nws lub zog, qhov xav tau ntawm cov teeb liab boosters tsawg dua.
- A fiber optic cable tsis tshua muaj kev cuam tshuam. Ib tug tooj liab network cable yuav tsum tau shielding los tiv thaiv nws los ntawm electromagnetic cuam tshuam. Thaum qhov kev tiv thaiv no pab tau, nws tsis txaus los tiv thaiv kev cuam tshuam thaum muaj ntau cov cables sib txuas ua ke nyob ib puag ncig ib leeg. Lub cev lub cev ntawm fiber ntau optic cables zam feem ntau ntawm cov teeb meem no.
Fiber rau hauv tsev, Lwm yam kev xa tawm, thiab Fiber Networks
Thaum feem ntau cov fiber ntau optics tau teeb tsa los txhawb kev sib txuas mus ntev ntawm cov nroog thiab cov tebchaws, qee cov chaw muab kev pabcuam hauv internet tau nqis peev los txuas ntxiv lawv cov fiber ntau txuas rau cov zej zog hauv nroog kom nkag tau ncaj qha los ntawm tsev neeg. Cov kws kho mob thiab cov kws tshaj lij kev lag luam hu cov kev teeb tsa lub mais kawg no.
Qee qhov paub zoo dua cov kev pabcuam fiber ntau rau hauv tsev hauv khw suav nrog Verizon FIOS thiab Google Fiber. Cov kev pabcuam no tuaj yeem muab gigabit internet ceev rau cov tsev neeg. Txawm li cas los xij, lawv feem ntau kuj muab cov pob muaj peev xwm qis dua rau cov neeg siv khoom. Cov pob khoom siv hauv tsev sib txawv feem ntau yog luv nrog cov lus sau no:
- FTTP (Fiber rau qhov chaw): Fiber uas tau nteg tag nrho txoj hauv kev mus rau lub tsev.
- FTTB (Fiber rau Lub Tsev / Kev Lag Luam / Thaiv): Tib yam li FTTP.
- FTTC/N (Fiber mus rau qhov curb ntawm Node): Fiber uas muab tso rau ntawm node tab sis ces tooj liab xov hlau ua tiav qhov kev sib txuas hauv lub tsev.
- Direct fiber: Fiber uas tawm hauv lub chaw haujlwm nruab nrab thiab txuas ncaj qha rau ib tus neeg siv khoom. Qhov no muab qhov bandwidth loj tshaj plaws, tab sis ncaj qha fiber ntau kim.
- sib koom fiber ntau: Zoo ib yam li cov fiber ntau ncaj qha tshwj tsis yog tias cov fiber ntau mus txog thaj chaw ntawm cov neeg siv khoom nyob ze, nws faib ua lwm cov fibers optical rau cov neeg siv.
kab hauv qab
Lub sij hawm tsaus nti fiber ntau (feem ntau spelled tsaus fiber ntau los yog hu ua unlit fiber) feem ntau yog hais txog ntsia fiber optic cabling uas tsis siv tam sim no. Lub sijhawm qee zaum kuj hais txog kev siv cov khoom siv ntiag tug.
Cov lus nug nquag
- Puas yog fiber ntau optic zoo dua li cable? Zoo dua nyob ntawm koj qhov kev xav. Txij li thaum tsis muaj hluav taws xob cuam tshuam, fiber ntau optic internet tsis tshua muaj peev xwm kaw thaum lub zog hluav taws xob ntau dua li lwm hom kev siv internet ceev. Nrog rau kev ntseeg tau ntau dua, fiber ntau optic internet kuj tseem nrawm dua-thiab kim dua-tshaj li kev siv internet cables.
- fiber ntau optic internet nrawm npaum li cas piv rau cable internet? Cable technology tam sim no txhawb kwv yees li 1,000 Mbps ntawm bandwidth, thaum fiber optic internet txhawb ceev txog li 2,000 Mbps. Ntawm 1,000 Mbps, koj tuaj yeem rub tawm 2-teev HD yeeb yaj kiab hauv li 32 vib nas this. Ntawm 2,000 Mbps, nws yuav siv li 17 vib nas this los rub tawm 2-teev HD movie.
- Dab tsi yog cov khoom tseem ceeb ntawm fiber ntau optic cable? Fiber optic cable muaj peb yam tseem ceeb: cov tub ntxhais, cladding, thiab txheej.
