Tus naj npawb ntawm cov cores fiber ntau koj xav tau nyob ntawm peb yam: dab tsi optics koj cov cuab yeej siv, muaj pes tsawg qhov txuas koj xav tau los txhawb, thiab ntau chav koj xav tau rau kev loj hlob yav tom ntej. Tus qauv duplex Ethernet txuas siv ob fibers - ib qho xa mus, ib qho kom tau txais. Tab sis tsis yog txhua qhov txuas yog duplex. Qee cov transceivers bidirectional ua haujlwm dhau ib txoj hlua, thiab sib npaug -optics interfaces xws liMPO/MTP-raws li modulestuaj yeem xav tau yim, kaum ob, lossis ntau dua fibers rau ib qho kev sib txuas. Yog li txoj cai pib taw tes yog ib txwm lub transceiver thiab connector, tsis yog cable.
Cov lus qhia no taug kev los ntawm txoj kev rov ua dua rau kev suav cov suav fiber ntau koj xav tau - txawm tias koj tab tom txuas lub chaw ua haujlwm me me, lub pob txha hauv tsev, lossis cov ntaub ntawv chaw sib cuam tshuam.
Fiber Core suav txhais li cas?
Fiber core suav yog tag nrho cov naj npawb ntawm cov neeg kho qhov muag fibers bundled hauv ib lub tsho cable. A 2- tub ntxhais cable tuav ob lub fibers. Ib tug 12-core cable tuav kaum ob. Ib tug 48-core cable tuav plaub caug yim. Tus lej qhia rau koj paub tias muaj pes tsawg txoj kev kho qhov muag ntawm lub cable muab.
Qhov no tsis zoo ib yam li fiber core loj. Cov tub ntxhais loj - ntsuas hauv micrometers - yog hais txog txoj kab uas hla ntawm txhua qhov fiber ntau lub teeb - nqa qhov chaw.Singlemode fiber ntaumuaj cov tub ntxhais me me (nyob ib ncig ntawm 9 µm), thaummultimode fiber ntausiv cov tub ntxhais loj (50 µm lossis 62.5 µm). Kev xaiv ntawm singlemode thiab multimode yog qhov kev txiav txim siab cais los ntawm kev xaiv ntau npaum li cas fibers mus rau hauv cable.
Simplex, Duplex, thiab Multifiber: Vim Li Cas Nws Tseem Ceeb
Ua ntej koj suav ib yam dab tsi, koj yuav tsum paub hom kev txuas uas koj tab tom tsim:
- Duplex txuassiv ob lub fibers - ib qho rau kis (Tx) thiab ib qho rau txais (Rx). Qhov no yog tus qauv teeb tsa rau feem ntau 1G thiab 10G Ethernet kev sib txuas sivLC connectorslos yogSC connectors.
- Simplex lossis bidirectional (BiDi) txuasnqa ob qho tib si xa tawm thiab tau txais kev khiav tsheb hla ib qho fiber ntau sivwavelength- faib multiplexing hauv BiDi transceiver. Qhov no txiav cov strand suav nyob rau hauv ib nrab tab sis yuav tsum tau tshaj optics ntawm ob hnub.
- Parallel -optics linkssiv ntau cov fibers ib txhij. Piv txwv li, IEEE 802.3ba tus qauv txhais tau hais tias 40GBASE-SR4, uas xa ntau tshaj plaub fibers thiab tau txais ntau tshaj plaub fibers - yim fibers tag nrho - los ntawm ib qhoMPO / MTP connector. Tus qauv 100GBASE-SR4 (txhais hauvIEEE 802.3bm-2015) kuj tseem siv yim fibers nquag tshaj li MPO-12 interface.
Yog tias koj xav tias txhua qhov txuas xav tau raws nraim ob lub fibers, koj yuav tsis suav rau qhov sib npaug ntawm -optics ib puag ncig thiab overcount rau BiDi xa mus. Nco ntsoov xyuas cov ntaub ntawv transceiver ua ntej.
Yuav Ua Li Cas Txiav Txim Koj Cov Suav Fiber: Ib kauj ruam ntawm kauj ruam
Kauj Ruam 1: Txheeb xyuas lub transceiver thiab connector hom
Tshawb xyuas cov ntaub ntawv khoom siv rau txhua qhov chaw nres nkoj uas koj npaj yuav txuas. 1G SFP nrog LC duplex interface xav tau ob fibers rau ib qhov txuas. 40G QSFP + nrog SR4 optic xav tau yim fibers ib qhov txuas los ntawm MPO connector. BiDi SFP tsuas yog xav tau ib qho xwb. Cov ntaub ntawv txhua yam txuas ua ntej tsiv mus rau kauj ruam tom ntej.
Kauj Ruam 2: suav cov khoom siv fiber ntau txuas
Sau txhua qhov taw qhia-rau- taw tes kev sib txuas hauv koj tus qauv tsim - tsis yog cov khoom siv xwb. Ib qho kev hloov nrog 24 qhov chaw nres nkoj tsis tuaj yeem xav tau 48 fibers. Qee qhov chaw nres nkoj yuav yog tooj liab, qee qhov yuav tsis siv, thiab uplinks feem ntau muaj qhov sib txawv ntawm cov chaw nres nkoj. Suav cov kev sib txuas tiag tiag thiab lawv cov kev xav tau fiber ntau ntawm tus kheej.
Piv txwv li: kaum duplex LC txuas (20 fibers) ntxiv rau ob 40G SR4 uplinks (16 fibers) sib npaug 36 active fibers - tag nrho koj yuav tsis nco yog tias koj tsuas suav kaum ob pab kiag li lawm thiab muab faib los ntawm ob.
Kauj Ruam 3: Ntxiv cov fibers seem
Kev tsim cov kab cog qoob loo nrog xoom lub peev xwm yog qhov txaus ntshai. Fibers tuaj yeem raug puas thaum lub sijhawm teeb tsa lossis kev saib xyuas yav tom ntej. CovFiber Optic Association (FOA)pom zoo kom suav nrog cov fibers ntxiv thaum qhia txog cable rau tus account rau kev puas tsuaj rau kev teeb tsa thiab ntxiv rau yav tom ntej. FOA cov kev taw qhia tsim network tshwj xeeb sau tseg tias kev yuav khoom cable nrog ob peb cov fibers ntxiv tso cai rau kev puas tsuaj ntawm splice lossis txiav cov ntsiab lus yam tsis ua kom rov ua haujlwm loj.
Lub hom phiaj siv tau zoo tshaj plaws yog khaws cov kev siv thawj zaug ntawm lossis qis dua 70-80% ntawm cov cable tag nrho suav nrog, tawm 20-30% rau kev loj hlob, rov- txoj kev, lossis kho.
Kauj ruam 4: Round mus rau ib tug standard cable suav
Fiber cables yog tsim nyob rau hauv tus qauv strand suav - feem ntau 2, 4, 6, 8, 12, 24, 48, 72, 96, thiab 144. Loose-tube cables feem ntau ua nyob ib ncig ntawm 12-fiber tube pawg, thiab ribbon koom ua ke hauv 12 fiber ntau cables. MPO / MTP kev sib txuas yog tsim nyob ib ncig ntawm 8-fiber thiab 12-fiber interfaces, ua ntau yam ntawm 12 tshwj xeeb tshaj yog siv tau rau cov qauv cabling.
Thaum koj paub tias koj cov khoom siv fiber ntau suav nrog cov khoom seem, hloov mus rau tus qauv tom ntej suav tias koj cov cuab yeej txiav tawm thiab cov khoom xa tawm tuaj yeem txhawb nqa. Xaiv qhov tsis yog- tus qauv suav feem ntau ua rau kev xa khoom qeeb thiab teeb meem txiav tawm.
Kauj Ruam 5: Qhov tseem ceeb ntawm txoj kev txwv thiab kev tsiv teb tsaws yav tom ntej
Kev suav cable uas muaj peev xwm txaus tseem tuaj yeem yog qhov tsis zoo nyob ntev - xaiv. Xav txog seb lub qhov hluav taws xob lossis txoj hauv kev yuav qhib dua - yog tias kev teeb tsa kev ua haujlwm twb tau teem tseg thiab txoj hauv kev muaj chaw, nce mus rau tus qauv suav tom ntej feem ntau yog tus nqi ntau dua - zoo dua li rub lub cable thib ob tom qab.
Kuj xav txog kev tsiv teb tsaws chaw. Yog tias koj tus qauv tsim tam sim no siv duplex 10G txuas tab sis yav tom ntej hloov mus rau 40G lossis 100G parallel optics zoo li, xaiv 12-fiber lossis 24-fiber cable tam sim no tuaj yeem zam rov qab thaum lub sijhawm los. Cov qauv kev tsim kab hluav taws xob los ntawmANSI/TIA-568yog tsim los muab kev lag luam cabling lifespan tsawg kawg yog kaum xyoo, yog li kev npaj ua ntej yog ib feem ntawm tus qauv lub hom phiaj.
Fiber suav ceev-Reference Table
| Txuas hom | Hom Optics / Connector | Active Fibers per Link | Common Cable suav |
|---|---|---|---|
| Txheem Duplex Ethernet (1G / 10G / 25G) | SFP / SFP + nrog LC duplex | 2 | 2-core thaj qaum; 12- lossis 24-ntxhais rau cov pob txha khiav |
| Bidirectional (BiDi) txuas | BiDi SFP / SFP + nrog LC simplex | 1 | 2-core (nrog rau seem); simplex thaj qaum rau kev khiav luv luv |
| 40GBASE-SR4 | QSFP + nrog MPO-12 | 8 (4 Tx + 4 Rx) | 12-core (nplooj 4 seem hauv MPO-12 hneev taw) |
| 100GBASE-SR4 | QSFP28 nrog MPO-12 | 8 (4 Tx + 4 Rx) | 12-core |
| 100GBASE-SR10 | CFP nrog MPO-24 | 20 (10 Tx + 10 Rx) | 24-core |
| 400GBASE-SR8 | OSFP/QSFP-DD nrog MPO-16 | 16 (8 Tx + 8 Rx) | 24-core (nrog lub peev xwm seem) |
| Breakout (piv txwv li, 40G rau 4 × 10G) | MPO-rau-LC breakout cable | 8 | 12-core pob tw; breakout ntawm thaj vaj huam sib luag |
Common Fiber suav thiab qhov twg lawv haum
2-core thiab 4-core
Cov kev suav qis no ua haujlwm rau tus kheej taw tes- mus rau -point patch cords thiab cov cuab yeej sib txuas yooj yim. Ib 2-corefiber ntau thaj qaumyog tus qauv rau kev txuas ib qho chaw nres nkoj duplex mus rau lub vaj huam sib luag lossis lwm yam khoom siv. Ib tug 4-core cable muab ib tug duplex txuas nrog ob tug spare strands, los yog txhawb ob ywj siab yooj yim sib txuas.
Cov kev suav no ua rau muaj kev nkag siab zoo thaum lub cable ua haujlwm rau ib qho txuas thiab tsis qhia txoj hauv kev nrog rau lwm qhov chaw.
6-core thiab 8-core
A 6- tub ntxhais cable tuaj yeem tswj peb qhov sib txuas sib txuas lossis muab lub peev xwm seem rau ib lossis ob qhov txuas nrog chav rau yav tom ntej ntxiv. Ib qho 8-core cable txuas ncaj qha nrog 8-fiber hneev taw ntawm 40GBASE-SR4 thiab 100GBASE-SR4 parallel optics, ua rau nws siv tau rau kev ua haujlwm luv luv uas ua haujlwm rau ib qho kev sib txuas nrawm yam tsis siv tag nrho 12-core pob tw.
Hauv kev xyaum, 8-cov tub ntxhais cables pom kev siv ntau zaus hauv MPO ib puag ncig uas cov kab hluav taws xob ua haujlwm raws nraim ib qho kev sib txuas-optics.
12-core
12-fiber grouping yog lub hauv paus tsev thaiv hauv fiber ntau cabling infrastructure. Loose-tube cables pab pawg fibers rau hauv cov raj ntawm 12. Ribbon cables siv 12-fiber ribbons.MPO-12 connectorsyog tus qauv interface rau 40G thiab 100G parallel optics. Xaiv 12-ntxhais txhais tau tias koj cov kab txuas txuas nrog txhua qhov kev sib txuas tseem ceeb, los ntawm thaj chaw rau lub cev sib dhos.
Piv txwv li, rau ib qho me me cabling qaum qaum - piv txwv li, txuas chav sib txuas lus mus rau hauv pem teb qhov chaw faib khoom nrog tsib lossis rau rau qhov sib txuas - 12-core muab koj lub peev xwm ua haujlwm ntxiv rau chav muaj txiaj ntsig rau ntxiv thiab hloov pauv.
24-core
A 24- tub ntxhais cable ua ob npaug ntawm lub peev xwm ntawm 12-core thaum nyob hauv tib qho kev tsim khoom thiab kev txiav tawm. Qhov kev suav no yog ib qho kev xaiv rau kev tsim cov pob txha, kev sib txuas hauv pem teb, thiab cov xwm txheej uas txoj kev txhawb nqa tsuas yog ib qho kev rub tawm xwb tab sis yuav tsum tau ua haujlwm rau ntau hom kev sib txuas hauv nws lub neej.
Nees nkaum-plaub strands tuaj yeem txhawb nqa txog li kaum ob qhov kev sib txuas duplex, peb qhov txuas 40G / 100G SR4, lossis ntau yam kev sib txuas ntawm duplex thiab sib npaug -optics ports - nrog lub peev xwm seem hauv txhua rooj plaub.
48-core, 72-core, 96-core, thiab tshaj
Kev suav ntau dua ua rau kev sib koom ua ke, kev tsim kho - mus rau - tsim cov pob txha, cov ntaub ntawv chaw kab - mus rau - kab kab, thiab kev faib tawm hauv tsev kawm ntawv. Ntawm cov suav no, cable nws tus kheej dhau los ua ib qho cuab yeej cuab tam sib koom es tsis yog kev sib txuas rau ib qho khoom siv tshwj xeeb. Kev npaj ntawm qhov ntsuas no feem ntau suav nrog kev sib koom tes nrogsplice kaw, siab - ntom ntom ntom panels, thiabMPO lub cev cable systemstsim los rau theem kev xa tawm.
Cov kab ntau dua - suav cables ua rau muaj txiaj ntsig zoo thaum kev teeb tsa kev ua haujlwm thiab kev tsim kho tus nqi ntau dua cov khoom siv ntxiv ntawm cov fibers ntxiv.
Ua piv txwv ua haujlwm
Piv txwv 1: Cov lag luam me hauv pem teb nrog 10 duplex txuas
Ib lub tuam txhab yuav tsum txuas chav sib tham mus rau kaum lub chaw ua haujlwm - thaj chaw nkag mus, txhua tus siv 1G SFP transceivers nrog LC duplex connectors.
- Active fibers: 10 txuas × 2 fibers=20 fibers
- Lub hom phiaj Spare (kwv yees li 20%): 4-5 fibers ntxiv
- Tag nrho cov xav tau: kwv yees li 24-25 fibers
- Pom zoo cable: 24-core
Xaiv 24-core cable npog tag nrho cov txuas txuas nrog rau qhov tsis zoo me me rau yav tom ntej ntxiv. Xaiv raws nraim 20 fibers yuav tawm xoom npoo thiab tsis muaj raws li tus qauv cable suav.
Piv txwv 2: Cov ntaub ntawv chaw kab - mus rau - kab nrog sib xyaw 10G thiab 40G
Ib qhov chaw nruab nrab kab kev sib txuas xav tau yim 10G duplex LC txuas thiab ob qhov txuas 40G SR4.
- 10G txuas: 8 × 2 fibers=16 fibers
- 40G SR4 txuas: 2 × 8 fibers=16 fibers
- Active tag nrho: 32 fibers
- Lub hom phiaj spare: 8-10 fibers
- Pom zoo cable: 48-core
A 48- tub ntxhais cable muab chav rau cov kev sib txuas uas twb muaj lawm ntxiv rau lub peev xwm rau kev hloov kho yav tom ntej - xws li ntxiv 40G kev sib txuas ntxiv lossis tsiv mus rau 100G SR4 yam tsis tau rov ua txoj hauv kev.
Piv txwv 3: Tsim cov pob txha nrog kev npaj txav mus rau 100G
Lub pob txha hauv tsev kawm ntawv tam sim no khiav 10G duplex kev sib txuas ntawm cov tsev tab sis cia siab tias yuav txav mus rau 100G parallel optics hauv peb mus rau tsib xyoos.
- Tam sim no active fibers: 6 duplex txuas × 2=12 fibers
- Yav tom ntej 100G SR4 txuas (kwv yees): 4 × 8=32 fibers
- Ua ke xav tau nrog cov khoom seem: kwv yees li 40-44 fibers
- Pom zoo cable: 48-core (los yog 72-core yog tias txoj kev yuav tsis rov qhib dua)
Hauv cov xwm txheej nraub qaum uas rov- rub cable yog kim lossis cuam tshuam, oversizing ntawm kev teeb tsa thawj zaug feem ntau yog qhov kev txiav txim siab nyiaj txiag zoo dua.
Feem ntau yuam kev kom zam
suav cov khoom siv tsis yog kev sib txuas.Ib qho 48-chaw nres nkoj hloov tsis tas yuav xav tau 96 fibers. Ntau qhov chaw nres nkoj yuav yog tooj liab, qee qhov yuav tsis muaj neeg nyob, thiab uplinks feem ntau siv cov optics sib txawv. Suav cov kev sib txuas ntawm fiber ntau, tsis yog cov ntawv cim chaw nres nkoj.
Piv txwv tias txhua qhov txuas xav tau ob lub fibers.BiDi transceivers siv ib qho fiber ntau rau ib qhov txuas. Parallel-optics modules siv yim, kaum ob, lossis ntau dua. Cov suav fiber ntau ib qhov txuas sib txawv raws li hom transceiver.
Tsis quav ntsej qhov sib txawv ntawm thaj qaum thiab cov pob txha caj qaum.Ib txoj hlua khi feem ntau ua haujlwm rau ib qho kev sib txuas - 2 fibers yog qhov qub. Lub pob txha caj qaum ua haujlwm rau ntau qhov kev sib txuas ntawm txoj kev sib koom thiab yuav tsum muaj qhov loj me nrog lub peev xwm seem hauv.
Yuav qhov tsawg kawg nkaus.Yog tias txoj kev twb qhib lawm thiab kev ua haujlwm twb tau teem tseg lawm, tus nqi nce ntxiv ntawm ob peb fiber ntau hauv cable yog me me piv rau tus nqi rub lub cable tshiab tom qab. CovFOA tus qauv qhiatshwj xeeb qhia kev yuav khoom cable nrog fibers ntxiv los tiv thaiv kev rov ua haujlwm los ntawm kev puas tsuaj ntawm splice lossis txiav cov ntsiab lus.
Xaiv tsis yog - suav suav.Kev suav cov khib nyiab (xws li 10 lossis 18) tuaj yeem ua rau muaj teeb meem nrog kev muab khoom, txiav tawm cov khoom siv, thiab cov khoom sib txuas. Cov qauv suav xws li 12, 24, thiab 48 phim cov vaj huam sib luag uas twb muaj lawm, adapter, thiabMPO lub cev infrastructure.
Ib qho yooj yim Formula rau kwv yees Fiber suav
Rau feem ntau ntawm kev lag luam thiab cov ntaub ntawv chaw siv, qhov kev suav no muab kev kwv yees pib zoo:
Pom zoo suav cable= (Sum ntawm active fibers nyob rau hauv tag nrho cov txuas) ÷ 0.7, sib npaug mus rau tus qauv cable suav tom ntej (12, 24, 48, 72, 96, 144).
Lub 0.7 divisor tsim nyob rau hauv kwv yees li 30% spare qhov chaw. Rau ib puag ncig uas re- rub cable yooj yim thiab pheej yig, koj tuaj yeem siv 0.8 (20% seem). Rau cov txheej txheem tseem ceeb lossis txoj hauv kev uas yuav tsis rov qhib dua, siv 0.6 (40% seem).
Qhov no yog kev kwv yees kwv yees, tsis yog hloov pauv rau kev tsim kom ntxaws. Ib txwm txheeb xyuas qhov kev xav tau ntawm transceiver thiab koom tes nrog koj tus neeg xa khoom xa khoom ntawm cov qauv suav.
Yuav ua li cas cov qauv thiab kev lag luam xyaum zoo li fiber ntau suav cov kev xaiv
Fiber suav txiav txim siab tsis tshwm sim hauv kev sib cais. Lawv yog cov zoo li tus qauv cabling qauv thiab cov neeg muag khoom ecosystems uas feem ntau cov kev txhim kho cia siab rau.
CovANSI/TIA-568.3-E tus qauv(tshaj tawm lub Cuaj Hlis 2022) txhais cov khoom siv kho qhov muag fiber ntau rau cov tsev lag luam, suav nrog txoj kev polarity (Types A, B, C, U1, thiab U2) rau cov khoom sib txuas. Nws qhov tsawg kawg nkaus pob txha fiber ntau suav rau ob qho tib si multimode thiab singlemode yog ob fibers rau ib qhov chaw nres nkoj. Cov qauv no yog tsim nyob ib ncig ntawm duplex thiab array kev sib txuas ua rau ntawm 12-fiber MPO hneev taw.
Ntawm cov khoom siv sab,Cisco's QSFP-100G datasheetqhia tau hais tias qhov ntau ntawm optics muaj rau 100G ib leeg: qee qhov siv duplex LC (100GBASE-LR4), qee qhov siv MPO-12 nrog 8 cov fibers nquag (100GBASE-SR4), thiab qee qhov siv tib qho tib yam - hom nrog 12 fibers (100GBASE-PSM). Txhua qhov no tsim cov kev suav fiber ntau sib txawv los ntawm tib lub npe 100G ceev.
Qhov no yog vim li cas Kauj Ruam 1 - txheeb xyuas qhov transceiver - yuav tsum tuaj ua ntej suav fiber ntau.
FAQ
Q: Puas yog 2-core fiber ntau ib txwm txaus rau Ethernet?
A: Rau tus qauv duplex 1G lossis 10G txuas siv SFP nrog LC connectors, ob fibers txaus. Tab sis thaum uas tig mus -optics txuas - xws li 40GBASE-SR4 thiab 100GBASE-SR4 - xav tau yim fibers rau ib qho kev sib txuas los ntawm MPO interface. BiDi transceivers txo qhov yuav tsum tau rau ib fiber ntau. Cov lus teb yog nyob ntawm tus transceiver thiab interface hom.
Q: Dab tsi yog qhov txawv ntawm fiber ntau strand suav thiab fiber core suav?
A: Hauv feem ntau cov ntsiab lus, cov ntsiab lus no txhais tau tib yam: tus naj npawb ntawm cov fibers optical nyob rau hauv ib lub cable. Qee cov ntaub ntawv siv "strand suav" thaum lwm tus siv "core suav." Ob leeg xa mus rau ntau npaum li cas fibers lub cable muaj, tsis yog rau cov tub ntxhais txoj kab uas hla ntawm txhua fiber.
Q: Vim li cas 12-core thiab 24-core cables thiaj li muaj?
A: 12- fiber ntau pab pawg yog cov qauv tsim thiab kev sib txuas. Loose-tube cables siv 12-fiber tube bundles. Ribbon cables siv 12-fiber ribbons. MPO-12 yog qhov tseem ceeb ntawm cov khoom sib txuas rau 40G thiab 100G parallel optics. Kev xaiv ntau yam ntawm 12 ua kom muaj kev sib raug zoo nrog cov khoom siv txiav tawm, thaj vaj huam sib luag, thiab cov kab sib txuas sib txuas.
Q: Kuv yuav tsum muaj pes tsawg fibers seem?
A: Ib qho kev qhia zoo tshaj plaws yog khaws cov kev siv thawj zaug ntawm 70-80% ntawm cov xov tooj ntawm cov fiber ntau suav, tshwj tseg 20-30% rau cov khoom seem. Rau cov pob txha khiav los ntawm txoj hauv kev uas kim dua kom rov qhib dua, qhov loj dua ntawm 30-40% yog tsim nyog rau cov nqi txuas ntxiv. FOA qhia tias cov fibers ntxiv tiv thaiv cov nqi rov ua haujlwm yog tias tus kheej cov hlua raug puas thaum lub sijhawm teeb tsa lossis ua haujlwm yav tom ntej.
Q: Kuv puas yuav tsum xaiv singlemode lossis multimode rau kuv fiber ntau cable?
A: Qhov no yog kev txiav txim siab cais los ntawm cov tseem ceeb suav. Singlemode fiber txhawb qhov kev ncua deb thiab siab dua bandwidth, ua rau nws tus qauv rau kev tsim cov pob txha thiab kev sib txuas hauv tsev kawm ntawv. Multimode fiber ntau tus nqi tsawg dua ntawm cov khoom siv hluav taws xob rau luv luv -ntau qhov kev sib txuas hauv ib lub tsev lossis chaw zov me nyuam. Txoj kev suav fiber ntau yog tib yam tsis hais hom fiber ntau - nws yog tsav los ntawm kev suav txuas thiab cov kev xav tau transceiver.
Q: Kuv puas tuaj yeem siv ib lub siab - suav cable es tsis txhob siv ntau lub cables me?
A: Yog, thiab feem ntau nws ua haujlwm zoo dua. Ib qho 48-core cable los ntawm txoj kev sib koom yog feem ntau yooj yim rau nruab thiab tswj dua li plaub cais 12-core cables. Kev lag luam tawm yog tias tag nrho cov fibers sib koom ib qho kev ua tsis tiav. Rau cov kev sib txuas tseem ceeb, xav txog kev khiav ntau txoj hauv kev nrog cov cables cais raws li TIA cov qauv thiab FOA tsim kev taw qhia pom zoo rau kev rov ua dua.
