Ntawm qib cable, txhua tus qauv fiber ntau optic cable yog tsim los ntawm ob peb lub tsev yooj yim uas tuaj yeem ua ke hauv ntau txoj hauv kev kom phim qhov chaw teeb tsa. Nyob ib ncig ntawm 250 μm coated fibers koj feem ntau yuav pom cov buffers nruj los yog xoob hlab, uas yog ua rau ib tus neeg fibers yooj yim los tuav (sab hauv tsev) los yog cia lawv ntab thiab tiv thaiv nrog dej - thaiv cov tebchaw (sab nraum zoov). Cov no tau txais kev txhawb nqa los ntawm cov tswv cuab lub zog hauv nruab nrab thiab cov muab tub lim kom cov kab sib txuas thiab nqa cov tensile loads, ntxiv rau cov tswv cuab sab nrauv xws li aramid yarn, iav xov los yog hlau rau ntxiv rub, tsoo thiab nas tsis kam. Thaum kawg, ib lossis ntau lub tsho sab nrauv / lub tsho thiab xaiv qhov hluav taws kub- cov txheej txheem tiv thaiv txhais tau hais tias lub cable tiv thaiv UV, ya raws, nplaim taws thiab haus luam yeeb, tig ib pob iav fibers rau hauv lub zog, daim ntawv thov- khoom npaj.
Cov tswv yim yooj yim: Los ntawm Fiber rau Fiber Optic Cable qauv
Dab tsi yog qhov txawv ntawm qhov fiber ntau optical thiab fiber ntau optic cable qauv?
Fiber ntau (fiber / optical fiber)
Ib lub iav nyias nyias uas nqa lub teeb liab. Nws muaj nws tus kheej micro- qauv (core, cladding, txheej) thiab txhais cov kev ua haujlwm kho qhov muag: ib leeg- hom lossis multimode, attenuation, bandwidth, thiab lwm yam.
Fiber optic cable
Ib qho khoom ua tiav uas sib txuas, tiv thaiv thiab txhawb nqa ib lossis ntau dua fibers. Tus qauv fiber ntau optic cable ntxiv nruj buffers los yog xoob hlab, cov tswv cuab lub zog, muab tub lim thiab txheej txheej kom cov fibers muaj sia nyob rub, khoov, ya raws thiab hluav taws hauv kev teeb tsa tiag.
Tej yam yuam kev hauv tej yaam num
Kho hom fiber ntau (ib zaug-mode / multimode) zoo li nws twb tau teev cov qauv cable.
Saib tsuas yog fiber ntau suav (xws li . 24 cores) thiab tsis quav ntsej seb koj puas xav tau ib qho chaw sab hauv, sab nraum zoov, armored lossis aerial fiber optic cable qauv.
Fiber optic cable qauv tshwm sim li cas nyob rau hauv qhov kawg - mus rau -kawg kho qhov muag txuas?
Los ntawm ib qho transceiver mus rau lwm qhov, qhov sib txuas tiag tiag yog tsim los ntawm ntau lub ntsiab lus sib txawv, tsis yog ib hom cable. Ib qho yooj yim qauv saw zoo li no:
Connector →Patch qaum→ Distribution cable → Trunk cable → Sab nraum zoov qaum qaum cable
- Patch cord: luv luv, hloov tau, nruj-buffer cable rau cov khoom siv sib txuas.
- Distribution cable: sab hauv tsev multi-fiber cable rau risers thiab chav.
- Lub cev cable: siab dua-fiber- suav cable rau cov ntaub ntawv hauv tsev lossis tsev kawm ntawv khiav.
- Sab nraum zoov qaum qaum cable: xoob- raj lossis armored fiber optic cable qauv rau ducts, ncej lossis ncaj faus.
Txhua kauj ruam siv cov qauv sib txawv rau nws lub luag haujlwm thiab ib puag ncig, uas yog vim li cas kev npaj txoj hauv kev yog qhov tseem ceeb ntawm fiber ntau optic cable tsim.
Dab tsi yog qhov microscopic fiber ntau hauv lub fiber optic cable?
Txawm hais tias fiber ntau optic cable tuaj yeem saib txawv ntawm sab nraud, lub microscopic fiber ntau sab hauv yog tus qauv xav tsis thoob. Ib qho kev sib txuas lus fiber ntau yog tsim nyob rau hauv peb txheej tseem ceeb: core, cladding thiab thawj txheej. Nkag siab txog cov txheej txheem no ua rau nws yooj yim dua los nyeem cov lus qhia zoo li9/125 ib - hom fiber ntaulos yog50/125 multimode fiber ntauthiab xaiv cov khoom tsim nyog rau koj qhov txuas.
Fiber Core yog dab tsi thiab Vim li cas 9 μm / 50 μm / 62.5 μm Teeb meem?
Covtub ntxhaisyog lub hauv paus iav cheeb tsam uas nqa lub teeb thiab yog lub plawv ntawm lubfiber optic core qauv.
Nws coj lub teeb los ntawmtag nrho internal reflectionnyob rau hauv lub core-cladding ciam teb.
Nws txoj kab uas hla thiab index profile txhais tau tias:
Tus naj npawb ntawm hom
Attenuation thiab dispersion
Bandwidth-kev ua haujlwm deb
Qhov ntau thiab tsawg cores:
9 μm- hauv9/125 ib - hom fiber ntau (SMF)
50 μm- hauv50/125 multimode fiber ntau (MMF)
62.5 μm- hauv62.5 / 125 multimode fiber ntau (legacy LAN)
Hauv "9/125", "50/125", "62.5/125", thawj tus lej yogtub ntxhais, ob yogcladdingtxoj kab uas hla (μm).
Refractive Index & NA:
Cov tub ntxhais muaj me ntsis siab dua refractive index tshaj lub cladding, txhais covTus lej aperture (NA).
50/125 multimode fiber ntaumuaj ntau dua NA, yooj yim coupling thiab ntau kam rau ua kom haum.
9/125 ib leeg - hommuaj qis NA, txhawb ib hom, thiab ua kom ntev heev, siab -bandwidth txuas.
Cladding Ua Dab Tsi Thiab Vim Li Cas Nws Ib txwm 125 μm?
Covcladdingyog iav txheej nyob ib ncig ntawm lub hauv paus nrog me ntsis qis refractive index.
Nws tsim covqib indexrau tag nrho internal reflection, ua kom lub teeb nyob rau hauv lub hauv paus.
Nws txhais covoptical ciam teb: hauv 125 μm yog optical fiber ntau, sab nraud yog kev tiv thaiv.
125 μm claddingyog tus qauv rau telecom/LAN fibers (9/125, 50/125, 62.5/125) thiab xyuas kom meej:
Compatibility ntawm ntau hom fiber ntau
Standard connectors, ferrules thiab splicing cov cuab yeej
Siab -yield fusion splicing hla hom thiab qib
Khoov poob (zoo):
Tight khoov cia lub teeb tawm los ntawm cov tub ntxhais mus rau hauv cladding, ua raukhoov poob.
Lub vojvoog me me khoov → poob siab dua.
Khoov-sensitive fibersHloov kho thaj tsam cladding kom txiav qhov khoov poob, qhov tseem ceeb hauv siab -qhov ceev fiber ntau optic cable qauv (cov ntaub ntawv chaw, FTTH).
Dab tsi yog Cov Txheej Txheem Tseem Ceeb Thiab Vim Li Cas 250 μm Li Cas?
Sab nraum lub cladding, iav yog tiv thaiv los ntawmthawj txheej.
Feem ntau adual- txheej UV- kho acrylate: softer ze iav, nyuaj sab nraum.
Lub luag haujlwm tseem ceeb:
Micro- khoov tiv thaiv- cushions me me kev nyuaj siab
Abrasion tsis kam- tiv thaiv iav nto
Moisture kuj- yooj yim barrier ua ntej cabling
Sab nraud txoj kab uas hla: 250 μm
Standard coated fiber yog hais txog250 μm, siv nyob rau hauv feem ntauxoob-tube cable qauvthiab raws li qhov loj me rau splicing kho vajtse.
Hauv ntau sab hauv tsev thiab thaj chaw -cord designs, ib qho ntxivnruj buffercoj nws mus txog900 μm, ua kom cov fibers yooj yim los tuav thiab txiav qhov twg qhov ntom ntom tsis tshua muaj qhov tseem ceeb.
Tib -Hom thiab Multimode Fiber Structures txawv li cas?
Txhua tus qauv fibers sib koom125 μm claddingthiab ~250 μm txheej. Qhov tseem ceeb ntawm cov qauv sib txawv yog qhovcore diameter thiab index profile:
Geometry & sau ntawv
9/125 SMF- ~ 9 μm tub ntxhais, 125 μm cladding
50/125 MWM- 50 μm tub ntxhais, 125 μm cladding
62.5/125 MMF- 62.5 μm tub ntxhais, 125 μm cladding
Bandwidth & nrug
9/125 ib leeg - hom- bandwidth siab heev tshaj kaum / pua pua ntawm km; siv nyob rau hauv ntev -haul, metro, nkag thiab ntau cov ntaub ntawv niaj hnub cov pob txha.
50/125 multimode (OM3 / OM4 / OM5)- bandwidth siab tshaj qhov luv luv (piv txwv li . 10G/40G/100G txog li ob peb puas meters), zoo tagnrho rau cov ntaub ntawv hauv tsev thiab cov pob txha hauv tsev kawm ntawv.
62.5 / 125 multimode (OM1)- muaj nyob rau hauv cov laus LANs, haum rau legacy 1G thiab luv txuas.
Tej kev siv
Tib -mode 9/125:
Carrier & telecom networks
Lub tsev-rau- lub tsev thiab lub hauv paus tsev kawm ntawv
Spine-leaf data center interconnects
50/125 multimode:
Luv- ncav cuag siab- nrawm txuas hauv cov chaw khaws ntaub ntawv
High -ntaus MPO/MTP patching
62.5 / 125 multimode:
Legacy enterprise kab
Tsawg -kev sib txuas ceev ntawm cov txheej txheem uas twb muaj lawm
Hauv cov ntsiab lus
Txhua hom fiber ntau siv125 μm claddingthiab zoo li UV- kho cov txheej txheem. Covcore loj thiab index profiletxiav txim ib leeg -mode vs multimode cwj pwm, uas ces tsavbandwidth, nrug thiab transceiver xaiv. Thaum tsim ib qhov txuas lossis xaiv cov qauv fiber ntau optic cable, ib txwm phim raufiber ntau (9/125, 50/125, 62.5/125)mus rau qhov yuav tsum tau nyob deb, cov ntaub ntawv tus nqi thiab cov nroj tsuag uas twb muaj lawm.
Basic Cheebtsam ntawm Optical Cable Structure
Dab tsi yog qhov tsis / nruj- txheej tsis nyob hauv fiber ntau optic cable?
Txhais & txoj hauj lwm
Qhov tsis zoo los yog nruj tsis yog txheej txheej polymer siv ncaj qha hla 250 μm coated fiber ntau, ua rau txoj kab uas hla mus rau feem ntau 900 μm. Nws yog thawj cable-theem txheej hauv ntau nruj- tsis muaj fiber ntau optic cable qauv.
Yam khoom siv
PVC
LSZH (Low Smoke Zero Halogen)rau sab hauv tsev, hluav taws kub -kev nyab xeeb daim ntawv thov
Cov txiaj ntsig tseem ceeb
Yooj yim rau kiv cua tawm, ceg thiab txiav ib leeg fibers
Yooj yim heev rau sab hauv tsev cabling, pigtails thiab thaj cords qhov twg yooj yim tuav yog qhov tseem ceeb tshaj qhov siab tshaj plaws ntim.
Cov kev txwv loj
Tsis zoo tagnrho rau kev taug kev sab nraum zoov ntev lossis ib puag ncig hnyav
Feem ntau yog siv luv luv - mus rau - nruab nrab sab hauv tsev khiav es tsis ntev - nrug deb ntawm cov nroj tsuag cables
Dab tsi yog lub raj xoob hauv cov qauv fiber ntau optic?
Qauv qauv
Hauv ib qho xoob-tube fiber optic cable qauv, ntau 250 μm fibers tau muab tso rau hauv ib lub raj yas PBT. Lub cev tuaj yeem yog:
Gel-filled (dej-blocking gel)
Qhuav (dej-swellable yarns los yog hmoov)
Lub luag haujlwm tseem ceeb
Tso cai rau cov fibers txav mus rau hauv lub raj, decoupling lawv los ntawm lwm yam kev ntxhov siab (nruj, khoov, kub hloov)
Muab txoj hauv kev ua tau zoo los siv dej- thaiv thiab tiv thaiv dej hauv cov kab hluav taws xob sab nraum zoov
Gel- puv vs qhuav xoob raj (qhov sib txawv tseem ceeb)
Gel- puv lub raj
Zoo heev ntev -lub sij hawm dej- thaiv
Kev ntxuav ntau dua thaum lub sij hawm splicing thiab txiav
Qhuav lub raj
Cleaner thiab ceev installation thiab splicing
Kev tuav zoo dua ntawm qhov kub qis, tab sis yuav tsum tau ua tib zoo tsim cov dej qhuav- thaiv cov ntsiab lus
Dab tsi yog fillers thiab central zog cov tswv cuab (FRP / steel hlau)?
Central zog tswv cuab
Nyob rau hauv nruab nrab ntawm ntau stranded xoob-tube cable lug, feem ntau yog ua los ntawm:
FRP (Fiber Reinforced Yas): dielectric, corrosion resistant, zoo tagnrho qhov twg hluav taws xob rwb thaiv tsev xav tau
Hlau hlau los yog stranded steel: siab tensile lub zog, siv qhov twg ntxiv rub lub peev xwm yuav tsum tau
Nws lub luag hauj lwm yog nqa tensile loads thiab stabilize lub cable geometry.
Fillers (ropes / pas nrig)
Tsis yog- cov khoom siv kho qhov muag muab tso rau ntawm cov raj xoob hauv cov qauv tsim tawm mus rau:
Tswj lub voj voog ntawm kab
Txhim kho crush kuj
Txhawb nqa cov qauv fiber ntau optic cable kom yooj yim installation
Qhov cuam tshuam rau ntau-tube stranded designs
Ib qho zoo- tsim ua ke ntawm lub hauv paus muaj zog cov tswv cuab thiab cov muab tub lim:
Khaws cov kab hla- seem puag ncig thiab ruaj khov
Txhim kho khoov kev ua tau zoo thiab pab tswj qhov tsawg kawg nkaus khoov vojvoog
Dab tsi yog cov tswv cuab lub zog sab hauv hauv fiber ntau optic cable?
Dhau li ntawm tus tswv cuab lub zog hauv nruab nrab, ntau cov cables siv cov tswv cuab lub zog sab nraud los tswj cov khoom siv hluav taws xob ntxiv thiab ib puag ncig.
Aramid xov paj (Kevlar® hom)
Lub zog tensile siab, tsis muaj qhov hnyav
Feem ntau siv nyob rau hauv tsev nruj-buffer cables, patch cords thiab pigtails
Pab tiv thaiv fibers tiv thaiv rub thiab tuaj yeem muab qee cov nas ua haujlwm
Cov iav fiber ntau
Muab lub zog tensile thiab nas tsis kam
Ib txwm tsis yog-hlau thiab nplaim hluav taws, muaj txiaj ntsig hauv hluav taws- ntsuas fiber ntau optic cable qauv
steel hlau / steel tapes
Kev tiv thaiv muaj zog tiv thaiv txhua yam cuam tshuam thiab kev tawm tsam nas
Siv nyob rau hauv steel hlau armored los yog steel daim kab xev armored sab nraum zoov cables, tshwj xeeb tshaj yog rau faus ncaj qha
Kev cuam tshuam hluav taws xob cov yam ntxwv ntawm lub cable, uas yuav tsum tau txiav txim siab hauv huab cua lossis lub zog- kab ib puag ncig (lub ntiaj teb, xob laim, cuam tshuam tam sim no)
Lub tsho sab nrauv / lub tsho yog dab tsi thiab vim li cas nws tseem ceeb?
Lub tsho sab nrauv (los yog lub tsho) yog qhov pom txheej txheej ntawm fiber ntau optic cable qauv. Nws tiv thaiv tag nrho cov khoom siv sab hauv los ntawm ib puag ncig thiab muab kev txheeb xyuas.
Cov khoom siv thiab kev siv ib txwm siv
PE (Polyethylene):
Cov huab cua zoo heev thiab tiv thaiv UV
Dav siv nyob rau hauv sab nraum zoov fiber ntau optic cables (duct, ncaj faus, aerial)
PVC:
Tus nqi qis, ua haujlwm yooj yim
Feem ntau siv dav hauv - lub hom phiaj hauv tsev cables
LSZH (Low Smoke Zero Halogen):
Cov pa luam yeeb tsawg, halogen-dawb, txhim kho kev nyab xeeb hluav taws
Siv nyob rau hauv tsev thiab sab hauv tsev-sab nraum zoov cables uas tib neeg thiab khoom tiv thaiv yog ib qho tseem ceeb
Sheath thickness, xim thiab cim
Thickness cuam tshuam rau kev tiv thaiv txhua yam (sib tsoo, cuam tshuam) thiab lub neej
Xim pab sib txawv hom cable (xws li daj rau ib zaug -hom, aqua rau multimode hauv ntau cov ntaub ntawv chaw ua haujlwm)
Cov ntawv luam tawm (chaw tsim khoom, suav fiber ntau, hom cable, ntsuas ntsuas) yog qhov tseem ceeb rau kev txheeb xyuas thiab kev tswj xyuas
Cov qauv cable txhawb kev ua haujlwm hluav taws thiab cov qauv li cas?
Kev ua haujlwm hluav taws xob ntawm cov qauv fiber ntau optic tsis yog tsuas yog hais txog cov khoom siv xwb, tab sis kuj hais txog yuav ua li cas cov khaubncaws sab nraud povtseg.
Cov ntaub ntawv hais txog kev siv hluav taws kub
IEC thiab UL nplaim hluav taws kuaj rau riser, plenum thiab dav -cov hom phiaj cables
Cov cai hauv tsev hauv zos qhia tias qhov hluav taws kub twg - ntsuas fiber ntau cables tuaj yeem siv rau hauv risers, plenums, tunnels lossis cov chaw pej xeem
Yuav ua li cas cov qauv pab ua kom tiav hluav taws kev ua tau zoo
Xaiv cov ntaub ntawv tsim nyog (piv txwv li LSZH, nplaim hluav taws tshwj xeeb- cov khoom siv retardant)
Siv cov nplaim hluav taws- cov khoom siv retardant, cov ntaub nplaum thiab cov xov paj hauv lub cable
Tsim cov qauv tag nrho kom nws txwv cov nplaim hluav taws sib kis thiab tsim cov pa luam yeeb thaum tseem ua tau raws li cov kev xav tau ntawm kev siv tshuab thiab kho qhov muag
Hauv kev xyaum, kev xaiv ntawm qhov tsis muaj, lub raj xoob, cov tswv cuab lub zog, cov khoom ntim thiab cov ntaub qhwv txhua tus ua haujlwm ua ke kom tau raws li qhov xav tau ntawm kev ua haujlwm thiab qhov yuav tsum tau ua kom muaj hluav taws kub rau kev teeb tsa.
lub ntsiab hauv tsev fiber ntau optic cable qauv
Dab tsi yog cov qauv hauv tsev fiber ntau optic cable?
Cov tes hauj lwm sab hauv tsev feem ntau cia siab rau peb qhov yooj yim hauv tsev fiber ntau optic cable cov qauv: simplex / duplex nruj- tsis siv neeg cables, tis cables thiab breakout cables. Lawv siv cov ntaub ntawv zoo sib xws, tab sis lawv cov qauv tsim thiab cov ntawv thov raug txawv heev.
Dab tsi yog qhov yooj yim / duplex nruj- tsis nyob hauv tsev fiber ntau optic cable?
Ib qho yooj yim los yog duplex nruj-buffer cable muaj 1 lossis 2 nruj- buffered fibers, txhua tus tsim los ntawm 250 μm coated fiber ntxiv rau 900 μm nruj tsis, lub zog xov paj (feem ntau aramid) thiab lub tsho me me. Qhov no compact nruj- tsis nyob sab hauv tsev fiber ntau optic cable qauv yog hloov tau yooj yim thiab yooj yim rau connectorize.
Cov ntawv thov ib txwm muaj xws li:
Patch cords nruab nrab ntawm cov khoom siv ports thiab thaj panels
Pigtails rau splicing hauv ODFs los yog faib lub thawv
Cov khoom siv luv luv-rau- cov khoom sib txuas hauv cov khib nyiab lossis cov txee
Vim nws yog lub teeb, hloov tau yooj yim thiab yooj yim los lis, nws tsis yog npaj rau lub caj qaum ntev khiav los yog hnyav txhua yam mob.
Dab tsi yog qhov kev faib tawm sab hauv tsev fiber ntau optic cable?
Ib txoj kab xaim xaim pab pawg ntau yam nruj- tsis muaj fibers (xws li . 6, 12, 24 cores) hauv ib lub tsho sab nrauv, feem ntau nrog cov tswv cuab ntawm aramid yarn zog nyob ib ncig ntawm lub pob. Qhov no tsim kom muaj kev sib cog lus, yooj yim - rau- txoj hauv kev hauv tsev faib fiber ntau optic cable qauv.
Tej yam xwm txheej muaj xws li:
Pem teb - mus rau -pem teb riser cabling nyob rau hauv chaw ua hauj lwm los yog cov tsev lag luam
Cov chav sib tham thiab tsis muaj zog- cov ncej tam sim no, qhov twg ob peb fibers yuav tsum tau rub ua ke
Intra-chav qaumteb qabteb nyob rau hauv cov ntaub ntawv chaw thiab cov khoom siv chav tsev
Fibers tuaj yeem raug txiav ncaj qha nrog cov khoom sib txuas tom qab kiv cua- tawm, los yog spliced ntawm pigtails, ua cov qauv no xaiv tus qauv rau kev tsim cov pob txha thiab kab rov tav.
Dab tsi yog qhov breakout sab hauv fiber optic cable?
Ib txoj kab hluav taws xob tawg muaj ntau lub tsho me me (txhua qhov zoo ib yam li me me simplex cable) sib sau ua ke hauv ib lub tsho sab nrauv. Nyob rau hauv lwm yam lus, txhua fiber ntau nws muaj nws tus kheej mini cable, ces tag nrho cov subunits yog bundled ua ke, tsim ib tug zoo heev sab hauv tsev breakout fiber optic cable qauv.
Qhov kev tsim no yog tsim rau:
Kev teeb tsa qhov twg fibers yuav tsum tau nquag kiv tawm thiab txiav ncaj qha raws li ib tus neeg thaj cords
Txoj kev uas muaj zog rub ntau dua los yog xav tau ntau dua cov neeg kho tshuab
Kev lag luam lossis kev lag luam ib puag ncig uas nyiam "plug-thiab-play" style ntawm fiber ntau faib
Vim hais tias txhua lub subunit muaj zog mechanically, breakout cables tuaj yeem yooj yim installation thiab txo qhov xav tau ntawm cov kiv cua ntxiv - tawm cov khoom siv, ntawm tus nqi ntawm ib txoj kab uas hla loj dua thiab siv cov khoom siv ntau dua.
Dab tsi yog qhov tseem ceeb sab nraum zoov fiber ntau optic cable qauv?
Dab tsi yog lub hauv paus tube sab nraum zoov fiber ntau optic cable?
Lub raj hauv nruab nrab siv ib lub raj xoob loj uas tuav tag nrho cov fibers ua ke, feem ntau nrog dej - thaiv cov gel lossis cov khoom qhuav nyob ib puag ncig lawv. Qhov no yooj yim sab nraum zoov fiber ntau optic cable qauv ua kom tus qauv compact thiab nqi - zoo.
Nws yog qhov tsim nyog rau luv luv thiab nruab nrab- kev teeb tsa cov kav dej nyob deb, nkag mus rau hauv tes hauj lwm thiab tus nqi- cov phiaj xwm rhiab heev, qhov nruab nrab fiber ntau suav thiab cov qauv rub tawm yuav xav tau.
Dab tsi yog txoj hlua khi xoob fiber ntau optic cable?
Ib txoj hlua xoob xoob xoob xoob xaim npaj ntau lub raj me me helically nyob ib ncig ntawm lub hauv paus muaj zog (FRP lossis hlau). Txhua lub raj muaj ib pawg ntawm fibers, nrog rau cov khoom siv los ua kom ib puag ncig cable profile thiab txhim kho kev sib tsoo.
Txoj hlua khi hlua khi hlua khi fiber ntau optic cable qauv no yog qhov zoo tagnrho rau kev mus ntev -nqe qaum qaum txoj kev thiab qhov chaw nyuaj. Nws muaj:
Siab fiber ntau - suav scalability (ntau pua fibers)
Zoo heev tensile thiab crush kev ua tau zoo, haum rau ntev rub nyob rau hauv ducts thiab ntau yam sab nraum zoov ib puag ncig
Dab tsi yog armored sab nraum zoov fiber ntau optic cable qauv?
Ib qho armored cable ntxiv ib txheej ntawm steel daim kab xev los yog steel hlau armor sab nraum lub core cable qauv. Cov armor tiv thaiv txhua yam cuam tshuam, pob zeb, kev tsim kev puas tsuaj thiab kev tawm tsam nas.
Cov ntawv thov muaj xws li ncaj qha -fab fiber ntau optic cables, hnyav- cov kav dej, cov nroj tsuag muaj thiab cov ntu ntawm txoj kev lossis thaj chaw uas muaj zog sab nraud ntau dua. Thaum siv steel daim kab xev armored los yog steel hlau armored fiber optic cable, designers yuav tsum xyuam xim rau:
Qhov tsawg kawg nkaus khoov lub vojvoog, uas loj dua rau cov uas tsis yog - armored cables
Earthing thiab bonding yuav tsum tau, tshwj xeeb tshaj yog nyob rau hauv lub metallic ntsiab nyob rau hauv ntev txoj kev sab nraum zoov
Dab tsi yog lub ntsiab aerial thiab tshwj xeeb fiber optic cable qauv?
Dab tsi yog ADSS tag nrho -dielectric tus kheej- txhawb nqa cable?
ADSS (Tag nrho -Dielectric Tus Kheej-Txhawb) cable yog lub dav hlau fiber ntau optic cable qauv tsim los ua tus kheej- txhawb nqa ntawm cov ncej lossis cov yees yam tsis muaj hlau xaim xaim. Nws siv siab -lub zog tsis yog- cov tswv cuab muaj zog hlau thiab lub tsho tshwj xeeb uas tsim los.
Cov yam ntxwv tseem ceeb ntawm ADSS cable suav nrog:
Tag nrho tsis yog- qauv tsim yog xim hlau, tiv thaiv kom muaj kev cuam tshuam tam sim no nyob ze cov kab hluav taws xob
Cov tswv cuab muaj zog muaj zog los tswj qhov ntev, cua thiab dej khov
Cov ntawv thov ib txwm yog cov kab hluav taws xob txoj hauv kev, ntev - txoj kev hla hauv toj siab lossis roob toj siab, thiab cov chaw siv hluav taws xob uas cov fiber ntau yuav tsum sib koom tib txoj hauv kev raws li cov khoom siv hluav taws xob.
Dab tsi yog daim duab-8 aerial fiber optic cable?
Daim duab -8 fiber ntau optic cable sib txuas cov qauv kev sib txuas lus nrog ib qho kev sib txuas ntawm steel tub txib nyob rau hauv ib qho "8" -zoo li tus ntoo khaub lig-section. Tus tub txib nqa cov khoom siv thauj khoom, thaum lub fiber ntau cable tsom rau kev tiv thaiv qhov muag thiab ib puag ncig.
Daim duab no -8 aerial fiber optic cable qauv yog dav siv rau hauv nroog txoj kev, nkag mus network thiab luv luv - mus rau nruab nrab- ncua txoj kev dav hlau, qhov kev teeb tsa ua tiav raws tus ncej lossis lub tsev facades thiab kev daws teeb meem yooj yim, tus nqi qis yog xav tau.
Dab tsi yog hluav taws kub - tiv taus lossis hluav taws kub - ciaj sia taus fiber ntau optic cable?
Hluav taws kub- tiv taus (hluav taws- ciaj sia taus) fiber ntau optic cable yog tsim los tswj kev ruaj ntseg hauv Circuit Court nyob rau hauv hluav taws kub rau lub sij hawm. Raws li kev tsim qauv, nws tuaj yeem siv mica tapes, ceramic- txheej txheej los yog hluav taws kub tshwj xeeb- cov khoom tiv thaiv cov ntaub qhwv ib ncig ntawm cov fibers lossis cov tub ntxhais, ua ke nrog cov nplaim hluav taws- cov ntaub ntawv retardant.
Cov hluav taws kub no-cov kab hluav taws xob tiv thaiv kab hluav taws xob yog siv rau hauv qhov av, cov kab hluav taws xob, cov mines, txoj kev khiav tawm thiab lub tswb nrov hluav taws xob lossis cov kab hluav taws xob sib txuas lus xwm txheej ceev, qhov uas cov cable yuav tsum tau ua haujlwm ntev txaus los txhawb kev nyab xeeb thiab khiav tawm.
Cov qauv fiber ntau optic cable cuam tshuam li cas tiag -kev ua haujlwm hauv ntiaj teb?
Lub fiber optic cable yeej tsis ua haujlwm ntawm "hla-section kev zoo nkauj" ib leeg. Covfiber optic cable qauvncaj qha tswj li cas qhov txuas coj musoptically, mechanically, ib puag ncigthiab nyob rau hauv cov nqe lus ntawmkev nyab xeeb thiab kev ua raws caidhau nws lub neej kev pabcuam tag nrho.
Cable Structure Influence Optical Performance li cas?
Lub fiber txhais tau yooj yim attenuation thiab bandwidth, tab sis lubkab qauvtxiav txim siab seb qhov kev ua tau zoo li cas hauv thaj chaw.
Bending poob (micro-khoov / macro-khoov)
Cov qauv tsim tsis zoo, cov khoom siv tawv tawv lossis ntau tshaj - cov raj nruj tsimmicro{0}}khoov, nce poob txawm tias lub cable zoo nkaus li ncaj. Tight routing nyob rau hauv lub tais thiab panels tsimmacro{0}}khoov, qhov twg lub teeb xau los ntawm lub hauv paus. Cov qauv zoo siv cov cushions mos, tswj lub raj nteg thiab cov ntaub ntawv tsim nyog kom txo tau ob hom kev khoov poob.
Kub dependence
Cov ntaub ntawv sib txawv nthuav dav thiab ntsws sib txawv nrog qhov kub thiab txias. Ib lub cev muaj zog cia cov fibers"float" nyob rau hauv cov hlab xoob los yog buffered txheej, yog li thermal txav tsis tig mus rau hauv kev ntxhov siab ntawm lub khob, ua kom qis thiab OTDR cov cim ruaj khov nyob thoob plaws qhov ntsuas kub ntau.
Piv txwv li: khoov-insensitive fibers nyob rau hauv siab - ceev cabling
Nyob rau hauv cov chaw zov me nyuam thiab FTTH, nruj khoov thiab compact routing yog unavoidable. Sivkhoov-sensitive ib leeg- hom lossis multimode fibersinside appropriate high-density cable structures cuts extra bending loss and allows smaller panels and trays without killing the link budget.
Tus Qauv Ua Li Cas Txiav Txim Mechanical Performance?
Mechanical kev ua tau zoo yog yuav luag tag nrho cov haujlwm ntawm yuav ua li casmuaj zog cov tswv cuab, raj, fillers, armor thiab sheathstau npaj.
Tensile, crush thiab cuam tshuam kuj
Hom thiab txoj hauj lwm ntawmcentral zog cov tswv cuab, aramid / iav yarns thiab armorteem lub rub nro thiab crush / cuam tshuam kev ntaus nqi. Sab nraum zoov thiab qaum qaum cables siv cov qauv hnyav dua thiab kev ntsuas siab dua li cov hlua hauv tsev.
Khoov vojvoog vs. hom qauv
Tight-buffer vs. xoob-tube:Nyob sab hauv tsev nruj- cov kab hluav taws xob tsis hloov pauv tau yooj yim thiab yooj yim rau txoj hauv kev, tab sis fibers zaum ze rau cov neeg kho tshuab kev ntxhov siab, yog li khoov lub vojvoog yuav tsum raug hwm. Loose-tube cables tiv thaiv cov fibers zoo dua, tab sis cov kab uas hla loj dua thiab cov khaubncaws sab nraud povtseg nce qhov qis qis qis.
Armored vs. non- armored: armored fiber ntau optic cablestiv thaiv crush thiab cuam tshuam zoo heev, tab sis muaj zog thiab zam qhov khoov loj xwb. Cov qauv tsis yog- armored designs yog sib dua thiab yooj yim rau txoj kev, tab sis tsis haum rau faus ncaj qha los yog hnyav heev.
Hauv luv luv,nro, crush lub zog thiab khoov vojvoogtag nrho los ntawmhla -section layoutntawm fiber optic cable qauv.
Cable Structure Txhawb Ib puag ncig kev ua tau zoo li cas?
Ib puag ncig kev ua tau zoo qhia tau hais tias lub cable cuam tshuam zoo npaum li casdej, nas, UV, kub thiab laus.
Kev tiv thaiv dej thiab noo noo
Gel- puv cov raj xoob, dej qhuav-swellable yarns/hmoov thiab noo noo barriers ua hauj lwm ua ke kom tsis txhob dej nkag mus thiab tsiv teb tsaws. Sab nraum cov qauv feem ntau muab cov raj filling, core filling thiab swellable ntsiab.
Nav thiab mechanical tiv thaiv
Cov cuab yeej hlau, iav xov los yog cov nas tsuag -cov tsho tiv taustiv thaiv gnawing thiab kev puas tsuaj sab nraud. Qhov kev xaiv nyob ntawm seb tus qauv siv hlau puas siv tau lossis yuav tsum muaj cov kab hluav taws xob tag nrho.
UV thiab huab cua tsis kam
PE tshonrog stabilizers tiv thaiv lub cable tiv thaiv tshav ntuj thiab huab cua sab nraum zoov. Qhov no yog qhov tseem ceeb rauaerial thiab exposed duct khiavntau xyoo.
Qhov kub thiab txias
Tube, muab tub lim thiab cov ntaub ntawv sheath yuav tsum nyob twj ywm thiab muaj zog tshaj qhov ntsuas kub. Ib qho zoosab nraum zoov fiber ntau optic cable qauvminimizes shrinkage, embrittlement thiab ntev -lub sij hawm kev nyuaj siab ntawm fibers.
Tus qauv cuam tshuam li cas rau kev nyab xeeb thiab kev ua raws cai?
Kev nyab xeeb thiab kev ua raws cai yog txuas ncaj qha rau covcov ntaub ntawv thiab txheej txheejhauv kab.
Nplaim taws-retardant thiab hluav taws kub- resistant designs
Riser, plenum, qhov av thiab pej xeem-cov kab hluav taws xob hauv cheeb tsam yuav tsum muaj cov nplaim taws- kis thiab haus luam yeeb txwv. Qhov no yog tiav nrogLSZH los yog nplaim taws tshwj xeeb-cov tsho tiv thaiv, ntxiv rau cov nplaim hluav taws- cov khoom siv retardant, tapes thiab cov tswv cuab lub zog. Hluav taws- ciaj sia taus tsim ntxivmica tapes los yog ceramic - txheej txheejyog li circuits tuaj yeem ua haujlwm thaum muaj hluav taws kub.
Tsawg- haus luam yeeb thiab halogen- cov cai pub dawb
Niaj hnub nimno tsev thiab cov ntaub ntawv-cov qauv hauv nruab nrab feem ntau xav tauqis- haus luam yeeb, xoom-halogen (LSZH)cov khoom siv los txo cov pa phem thiab cov khoom puas tsuaj. Qhov no tsav ob lub tsho thiab cov khoom siv sab hauv xaiv thiab yog li ntawd tag nrhofiber optic cable qauv.
Yog li, xaiv txoj cai fiber ntau optic cable qauv yeej tsis yog hais txog kev kho qhov muag thiab kev ua haujlwm; nws kuj yog hais txog kev ntsib txhua yam cuam tshuamhluav taws, kev nyab xeeb thiab ib puag ncig cov cairau qhov tshwj xeeb installation.
Cov piv txwv engineering: yuav ua li cas fiber optic cable qauv ua haujlwm hauv cov haujlwm tiag tiag
Case 1 - Yuav ua li cas optimizing lub tsev kawm ntawv qaum qaum fiber optic cable qauv txiav txij nkawm ua hauj lwm
Qhov project tom qab
Qhov nruab nrab - lub tsev kawm ntawv loj nrog ntau lub tsev ua haujlwm thiab ib chav khoom siv hauv nruab nrab. Tau ntau xyoo, cov neeg cog lus sib txawv tau teeb tsa ntau hom fiber ntau ntawm cov tsev thiab cov plag tsev.
Thawj qhov xwm txheej thiab teeb meem
Mixed sab hauv tsev thiab sab nraum zoov fiber ntau optic cable qauv nyob rau hauv tib txoj kev duct
Ntau hom armor, sheath xim thiab fiber ntau suav nrog cov ntaub ntawv tsis zoo
Qhov chaw ua txhaum nyuaj thiab nyuaj heev los npaj lub peev xwm lossis rov siv cov fibers seem
Optimization zoo
Standardize ib leeg sab nraum qaum qaum xoob- raj qauv rau tag nrho lub tsev- mus rau - lub tsev txoj kev (duct los yog ncaj qha - faus)
Standardize ib sab hauv tsev riser cable qauv rau tag nrho cov ntsug shafts thiab pem teb backbones nyob rau hauv lub tsev
Kev tshwm sim
Tsawg dua hom cable thiab cov ntawv qhia meej dua txo lub sijhawm txij nkawm thiab kev pheej hmoo yuam kev
Kev npaj yooj yim rau yav tom ntej nthuav dav, vim tias txhua qhov txuas tshiab siv tib lub caj qaum thiab riser fiber ntau optic cable qauv
Spare fibers tuaj yeem rov siv tau ntau dua kev ntseeg siab, nrog kev pom zoo ntawm tag nrho cov tsev kawm ntawv fiber ntau cog
Case 2 – Xaiv txoj cai sab hauv tsev fiber ntau optic cable qauv rau lub siab -cov ntaub ntawv ceev ceev
Keeb kwm
Ib qhov chaw siab -cov ntaub ntawv ceev nrog ntau lub tsev cov ntaub ntawv thiab ntau chav khoom siv uas xav tau los txhawb kev loj hlob sai ntawm 10G txog 40G thiab 100G txuas, nrog rau qhov chaw nruj thiab kev txwv tsis pub siv.
Cov qauv zoo
Nruab nrab ntawm cov tsev / chav tsev khoom siv:
Siv sab nraum zoov xoob- raj qaum qaum cables hauv ducts rau txhua lub tsev - mus rau - tsev thiab chav tsev - mus rau - chav khiav. Qhov no muab cov fiber ntau suav, zoo tensile thiab crushing kev ua tau zoo, thiab yooj yim rau yav tom ntej rub.
Cov ntaub ntawv hauv tsev:
Siv khoov-cov fibers tsis hnov tsw nyob rau hauv siab- qhov ceev hauv tsev cable cov qauv (riser/distribution + MPO/MTP trunks) los txhawb txoj kev nruj, me me khoov radii thiab tuab thaj panels.
Cov txiaj ntsig
Kev txhim kho yooj yim, vim tias txhua ntu (inter-tsev vs hauv-chall)) muaj cov qauv qhia kom meej fiber ntau optic cable
Kev hloov kho tau yooj yim dua los ntawm 10G mus rau 40G / 100G los ntawm kev rov- siv tib lub siab- qhov ceev hauv tsev cabling thiab tsuas yog hloov cov transceivers thiab patching schemes
Qhov chaw ua txhaum sai dua, txij li cov pob txha thiab hauv -chaw cabling yog tus qauv thiab zoo- cov ntaub ntawv, nrog cov qauv zoo ib yam thiab sau npe thoob plaws txhua lub tsev thiab chav
FAQ: Feem ntau cov lus nug txog fiber ntau optic cable qauv
Dab tsi yog qhov txawv ntawm fiber ntau hom (ib -mode / multimode) thiab fiber ntau optic cable qauv?
Hom fiber ntau (ib zaug -mode lossis multimode, xws li . 9/125 lossis 50/125)) piav qhia cov iav fiber ntau nws tus kheej thiab txiav txim siab ua haujlwm kho qhov muag xws li bandwidth thiab nrug. Fiber optic cable qauv piav qhia yuav ua li cas ib los yog ntau fibers yog tsim rau hauv ib tug cable: xoob raj los yog nruj nreem tsis, lub zog cov tswv cuab, armor, sheath ntaub ntawv, thiab lwm yam. Nyob rau hauv luv luv, fiber ntau hom=optical cwj pwm; cable qauv=txhua yam thiab ib puag ncig tus cwj pwm.
Vim li cas kuv thiaj tsis tuaj yeem siv cov fiber ntau hauv tsev rau sab nraum zoov ncaj qha faus?
Sab hauv tsev fiber ntau optic cables yog tsim los ntawm kev ua haujlwm hluav taws xob, kev ua haujlwm yooj yim thiab yooj yim txiav, tsis ntev -lub sij hawm tiv tauj nrog dej, av, UV lossis hnyav sab nraud. Lawv feem ntau tsis muaj cov raj xoob xoob, dej- thaiv cov ntsiab lus, cov tsho muaj zog thiab cov ris tsho uas yuav tsum muaj cov qauv fiber ntau sab nraum zoov. Direct-faus ib lub hauv tsev cable txaus ntshai dej nkag, lub tsho tawg thiab ua tsis tiav thaum ntxov.
Puas yog armored fiber optic cable ib txwm zoo dua? Thaum twg nws dhau -tsim?
Ib qho armored fiber optic cable qauv (steel daim kab xev los yog steel hlau) yog ib qho tseem ceeb rau faus ncaj qha, pob zeb ducts, muaj yards los yog tej thaj chaw uas muaj nas loj heev. Txawm li cas los xij, nyob rau hauv ib puag ncig huv si, hauv cov tais lossis sab hauv tsev risers, armor ntxiv tus nqi, qhov hnyav thiab nruj yam tsis muaj txiaj ntsig tiag tiag. Nyob rau hauv cov ntaub ntawv no, ib tug tsis yog - armored nyob rau hauv tsev los yog sab hauv tsev-sab nraum zoov qauv feem ntau yog pheej yig dua thiab yooj yim rau nruab.
Dab tsi yog qhov sib txawv ntawm LSZH thiab PVC cable tsho?
Cov tsho PVC yog tsawg- nqi thiab yooj yim rau kev ua, tab sis lawv muaj cov halogens thiab tuaj yeem tsim cov pa taws hnyav thiab cov pa roj corrosive hauv hluav taws. LSZH fiber ntau optic cable tsho siv cov halogen tshwj xeeb-dawb, nplaim taws- cov tshuaj tiv thaiv kab mob uas txwv cov nplaim hluav taws sib kis thiab txo cov pa taws thiab cov pa phem heev. Raws li kev tsim qauv, qhov no txhais tau tias cov ntaub ntawv sib txawv ntawm cov ntaub qhwv thiab feem ntau cov nplaim taws ntxiv - cov khoom siv retardant lossis tapes hauv cable kom ua tau raws li lub tsev thiab cov ntaub ntawv -cov lej hluav taws kub.
Yuav ua li cas siab -fiber- suav cables (xws li . 288 lossis 432 cores) feem ntau ua tau?
High-fiber- suav cov qauv tsim xws li 288-core lossis 432-core fiber optic cables feem ntau yog raws li cov hlua xoob xoob lossis ribbon cov qauv nyob ib puag ncig tus tswv cuab lub zog. Ntau lub raj (lossis fiber ntau ribbons) yog helically nteg nrog cov fillers kom ib puag ncig profile thiab tiv thaiv fibers los ntawm kev ntxhov siab. Qhov no high-density fiber optic cable qauv muab scalability rau qaum txoj kev thaum tuav tensile thiab crush kev ua tau zoo nyob rau hauv specification.
Ib tug fiber optic cable qauv siv tau ob qho tib si sab hauv tsev thiab sab nraum zoov?
Yog lawm, qee cov qauv hauv tsev-sab nraum zoov fiber ntau optic cable tsim tshwj xeeb los ua kom tau raws li qhov xav tau ntawm ib puag ncig sab nraum zoov (UV, noo noo) thaum tseem txaus siab rau cov hluav taws kub hauv tsev (xws li LSZH). Lawv feem ntau siv cov raj xoob xoob thiab dej thaiv zoo li cov kab hluav taws xob sab nraum zoov, ua ke nrog hluav taws kub - lub tsho ntsuas. Qhov no yog qhov muaj txiaj ntsig zoo rau kev nkag mus hauv tsev thiab kev sib txuas hauv tsev kawm ntawv qhov twg ib qho cable kis tau los ntawm sab nraud ncaj qha mus rau hauv risers lossis chav tsev khoom.
Cov qauv kab hluav taws xob cuam tshuam li cas rau qhov qis qis qis thiab tuav?
Lub stiffer thiab ntau txheej txheej fiber optic cable qauv (txoj kab uas hla loj, armor, tuab tsho), qhov loj qhov tsawg kawg nkaus khoov vojvoog yuav. Lub teeb yuag sab hauv tsev los yog cov kab hluav taws xob tso cai rau kev nruj dua nyob ib puag ncig cov vaj huam sib luag thiab cov tais, thaum muaj armored los yog loj xoob-cov pob txha caj qaum yuav tsum tau khoov duav kom tsis txhob muaj kev puas tsuaj ntxiv. Nco ntsoov xyuas cov chaw tsim khoom pom zoo khoov vojvoog rau txhua tus qauv tshwj xeeb.
Thaum twg kuv yuav tsum xaiv khoov- cov fibers tsis hnov tsw thiab siab - ntom ntom ntom ntom hauv tsev?
You should consider bend-insensitive single-mode or multimode fibers when you know the installation will involve tight spaces, dense patching or small-radius routing-typical in data centers, FTTH splitters and high-density racks. In these scenarios, pairing bend-insensitive fibers with a suitable high-density indoor fiber optic cable structure helps protect your loss budget, even when cables are coiled or routed around sharp corners.
Cov khoom muaj feem xyuam
