Yog tias koj tab tom ntsuas OM5 fiber ntau rau cov ntaub ntawv chaw lossis qhov haujlwm hauv tsev kawm ntawv, thawj qhov koj yuav tsum nkag siab yog tias OM5 tsis tau txais qhov zoo dua ntawm OM4. Nws yog ibWideband Multimode Fiber (WBMMF)engineered los txhawb ntau - wavelength kis tau tus mob hla 850–953 nm ntau. Qhov ntawd txhais tau tias OM5 muab nws qhov txiaj ntsig tiag tiag tsuas yog thaum ua ke nrog optics uas tuaj yeem siv qhov dav dua waveband - xws liSWDM transceivers tsim los rau siab - ceev duplex txuas. Rau tus qauv 850 nm multimode optics, OM5 tsis tuaj yeem ncav cuag lossis txhim kho kev ua tau zoo dua OM4.
Qhov kev sib txawv no tseem ceeb vim tias ntau pawg neeg yuav khoom kho OM5 raws li kev hloov kho thoob ntiaj teb. Nws yog tshiab dua, yog - tab sis tshiab tsis yog ib txwm txhais tau tias zoo dua rau txhua qhov txuas. Qhov kev xaiv zoo yog nyob ntawm koj hom transceiver, qhov xav tau ncav cuag, fiber ntau suav cov tswv yim, thiab txoj kev txhim kho yav tom ntej.
OM5 Fiber ntau yog dab tsi?
OM5 yog 50/125 µm laser - optimizedmultimode fiber ntaustandardized nyob rau hauvANSI/TIA-492AAAE, luam tawm nyob rau lub Rau Hli 2016. ISO/IEC lub npe "OM5" tau pom zoo nyob rau lub Kaum Hli 2016. Tsis zoo li cov qib multimode ua ntej uas yog tus cwj pwm ntawm 850 nm, OM5 qhia txog kev ua haujlwm zoo bandwidth (EMB) ntawm ob qho tib si 850 nm thiab 953 nm - nrog rau qhov tsawg kawg nkaus ntawm 850 nm, 4 km. raws.
Hauv cov ntsiab lus siv tau, OM5 tau tsim los pab cov chaw zov me nyuam nqa cov ntaub ntawv ntau dua cov fibers tsawg dua hauv qee qhov siab -ceev multimode designs. Tsis txhob cia siab rau ib qho wavelength, sib xws optics tuaj yeem siv ntau lub wavelengths luv luv hla tib lub duplex fiber ntau. Yog vim li cas OM5 feem ntau hu ua WBMMF, los yog wideband multimode fiber.
Koj feem ntau yuav pom OM5 cables txheeb xyuas los ntawm atxiv qaub ntsuab tsho, uas pab kom paub qhov txawv ntawm cov aqua (OM3 / OM4) cables uas muaj nyob rau hauv cov qauv cabling ib puag ncig. OM5 siv tib yamfiber ntau optic connectorsraws li OM3 thiab OM4 - feem ntauLC connectorsrau duplex interconnects thiabMPO / MTP connectorsrau lub cev cabling.
Vim li cas OM5 hu ua Wideband Multimode Fiber
Tag nrho cov laser-optimized multimode fibers - OM3, OM4, thiab OM5 - yog tsim los rau VCSEL-raws li transceivers ua haujlwm ze 850 nm. Dab tsi teev OM5 sib nrug yog tias nws qhov kev ua haujlwm bandwidth kuj tau teev tseg ntawm 953 nm. Raws liCorning tau luam tawm OM5 cov txheej txheem txheej txheem, OM5 yuav tsum ua tau raws li cov qauv OM4 bandwidth tib yam ntawm 850 nm thaum tseem ua tau raws li qhov xav tau ntawm EMB ntawm 953 nm. Qhov kev qhia tshwj xeeb ntxiv thoob plaws qhov dav dav dav dav yog qhov ua rau nws qhov "wideband" kev xaiv.
Qhov no kuj yog vim li cas piav txog OM5 raws li tsuas yog "ceev fiber ntau" yog kev dag. Cov lus piav qhia meej dua yog tias OM5 yog multimode fiber ntau nrog lub dav siv tau waveband rau cov khoom siv kho qhov muag tshwj xeeb - tshwj xeeb yog cov neeg ua haujlwm shortwave wavelength division multiplexing.
OM5 vs OM4: Dab tsi tiag hloov?
Qhov no yog cov lus nug feem ntau cov neeg yuav khoom mob siab txog. Cov lus teb yog ntau nuanced dua li ntau nplooj ntawv khoom qhia:
- Ntawm 850 nm nkaus xwb, OM5 tsis zoo dua OM4.Ob hom fiber ntau sib qhia qhov tsawg kawg nkaus EMB specification ntawm 850 nm (4700 MHz·km). Rau ib qho transceiver ua haujlwm nkaus xwb ntawm qhov wavelength, tsis muaj kev ncav cuag lossis bandwidth tau txais txiaj ntsig los ntawm kev hloov kho mus rau OM5.
- Nrog ntau - wavelength optics uas suav nrog cov wavelengths ntev dua, OM5 muab kev lees paub kev ua tau zoo.Vim tias OM4 tsis tau teev tseg EMB ntawm 953 nm, nws cov bandwidth ntawm qhov ntev wavelengths tsis tswj tau - nws tuaj yeem tsim nyog lossis nws tuaj yeem tsis zoo. OM5 tshem tawm qhov tsis paub tseeb.
Cisco daim ntawv dawb ntawm OM4 vs OM5hais txog qhov no kom meej meej: OM5 cable tsis yog qhov zoo tshaj plaws ntawm OM4 cable, thiab kev txhim kho muaj txiaj ntsig zoo tshwm sim tsuas yog rau cov transceivers nrog txoj kab khiav ntawm qhov ntev wavelengths xws li 940 nm. Rau cov pa 850 nm multimode transceivers, OM4 tseem yog tus nqi -kev daws teeb meem zoo.
OM5 vs OM4 Kev sib piv ceev
| Parameter | OM 4 | OM 5 |
|---|---|---|
| Core / Cladding | 50/125 µm | 50/125 µm |
| EMB ntawm 850nm | Ntau tshaj lossis sib npaug li 4700 MHz · km | Ntau tshaj lossis sib npaug li 4700 MHz · km |
| EMB ntawm 953nm | Tsis tau teev tseg | Ntau tshaj lossis sib npaug li 2470 MHz · km |
| Wavelength Range | Optimized ntawm 850nm | 850-953 nm (nrog dav) |
| SWDM Suitability | Txhawb nqa, ncav cuag luv dua | Optimized, ntev guaranteed ncav cuag |
| Jacket Xim | Aqua | Txiv qaub ntsuab |
| Hom Connector | LC, MPO/MTP, SC | LC, MPO / MTP, SC (tib yam li OM4) |
| Zoo tshaj -Fit Optics | Txheem 850nm SR, eSR4 | SWDM4, ntau-wavelength BiDi |
| Rov qab Compatibility | Nrog OM3 | Nrog OM3 thiab OM4 |
| Tus nqi hwm | Lub hauv paus | Kwv yees li 20-30% dhau OM4 |
SWDM thiab OM5 ua haujlwm ua ke li cas?
Yuav kom nkag siab qhov twg OM5 muab tus nqi, koj yuav tsum nkag siab SWDM - shortwave wavelength division multiplexing. SWDM siv plaub lub wavelengths (feem ntau 850 nm, 880 nm, 910 nm, thiab 940 nm) kis tau los ntawm tib lub hom fiber ntau, ntau dua li xav tau ntau cov fibers sib npaug. Qhov no tso cai rau 40G thiab 100G nrawm dua ibduplex fiber ntau txuases tsis txhob siv 8- lossis 12-fiber kev sib txuas.
OM5's wideband optimization txhais tau tias txhua qhov ntawm cov wavelengths tswj kev tswj bandwidth kev ua tau zoo thoob plaws ntau yam. Ntawm OM3 lossis OM4, qhov ntev wavelengths (910 nm, 940 nm) yuav ua tau txaus, tab sis tsis muaj kev lees paub - bandwidth ntawm cov wavelengths tsuas yog tsis tau teev nyob rau hauv tus qauv.
Corning's luam tawm SWDM kev taw qhia deb qhia txog qhov ua tau zoo. Rau 40G SWDM, kev cia siab yuav ncav cuag li 240 m ntawm OM3, 350 m ntawm OM4, thiab 440 m ntawm OM5. Rau 100G SWDM, cov duab yog kwv yees li 75 m, 100 m, thiab 150 m feem. Cov no yog hom kev sib txawv uas tseem ceeb hauv cov ntaub ntawv tiag tiag tsim qauv.
Puas yog OM5 txo cov suav fiber ntau?
Nws tuaj yeem - tab sis tsuas yog thaum ua ke nrog txoj cai optics architecture.
Yog hais tias koj piv ib tug duplex SWDM mus kom ze ntawm OM5 tiv thaiv ib tug laus thaum uas tig mus multimode tsim siv 8 los yog 12 fibers rau ib qhov txuas, SWDM mus kom ze yuav tsum tau tsawg dua fibers. Qhov ntawd txhais ua kev tswj hwm cable yooj yim dua, tsawg duaadapters, thiab qis dua ntawmthaj panels thiab faib thav duab. Rau cov haujlwm uas qhov chaw ntawm txoj kev txwv tsis pub, qhov txiaj ntsig kev ua haujlwm no tuaj yeem yog qhov tseem ceeb.
Txawm li cas los xij, qhov txo qis fiber ntau los ntawm SWDM optics tsim, tsis yog los ntawm fiber ntau cable nws tus kheej. Yog tias koj nruab OM5 tab sis txuas ntxiv siv tus qauv 850 nm parallel transceivers, koj yuav tsis pom muaj fiber ntau txo. Tias yog vim li cas txhua qhov kev ntsuam xyuas loj ntawm OM5 yuav tsum nco ntsoov txiav txim siab txog txoj kev transceiver nrog rau cov kab lus tshwj xeeb.
OM5 nrug los ntawm daim ntawv thov
Tsis muaj ib qho "OM5 nrug" vim tias kev ncav cuag nyob ntawm lub transceiver thiab daim ntawv thov tus qauv. Ntawm no yog ib tug tswv yim txheej txheem cej luam:
RauStandard 850nm daim ntawv thovzoo li 10GBASE-SR, 40GBASE-SR4, thiab 100GBASE-SR4, OM5 txhawb nqa qhov siab tshaj plaws tib yam li OM4. Cisco lees paub tias feem ntau ntawm nws cov multimode transceivers yog ib qho -wavelength 850 nm li, thiab tsis muaj qhov sib txawv ntawm OM4 thiab OM5 rau cov modules.
Raumulti-wavelength SWDM daim ntawv thov, OM5 txuas ntxiv mus txog qhov pom tseeb. Piv txwv li, nrog Cisco QSFP-40G-CSR4 module, ncav cuag yog 440 m ntawm OM5 piv rau 400 m ntawm OM4. Rau 100G SWDM, OM5 tuaj yeem txhawb nqa kwv yees li 150 m piv rau 100 m ntawm OM4.
Rau40 G BIB, Corning cov ntaub ntawv luam tawm qhia tau hais tias tib yam 200 m muaj peev xwm ntawm OM4 thiab OM5 hauv qee qhov kev teeb tsa cabling - ib qho tseem ceeb ceeb toom tias cov module tseem ceeb npaum li cov fiber ntau.
Rau400G, IEEE 802.3 400GBASE-SR4.2 yog thawj tus qauv-raws li Ethernet daim ntawv thov uas siv multimode WDM thev naus laus zis, txhawb kev txuas mus txog 150 m ntawm OM5 fiber ntau tshaj plaub khub fiber ntau.
Yuav ua li cas OM5 Fits rau hauv tiag Cabling Architectures?
Yog hais tias koj twb muaj ib tug duplex LC multimode nroj tsuag thiab koj tab tom npaj ib tug ceev tsiv teb tsaws ntawm 10G mus rau 40G los yog 100G, OM5 cia koj nyob twj ywm nyob rau hauv tus paub duplex cabling qauv los ntawm kev siv SWDM transceivers - es tsis yog tsiv mus rau 8-fiber los yog 12-fiber.MPO / MTP lub cev cables. Hauv brownfield ib puag ncig, uas tuaj yeem ua kom yooj yim rau kev hloov kho kom zoo.
Hauv kev tsim kho tshiab, OM5 ua rau muaj kev nkag siab zoo tshaj plaws thaum pab pawg tsim qauv xav nyob hauv ntau hom ecosystem tab sis kuj xav txo qis qhov sib npaug ntawm fiber ntau. Ib qho kev xa tawm yuav siv Base-8 lossis Base-12 MTP qaum qaum cables uas tawg mus rau hauv duplexLC patch cordsntawm tus ntoo khaub lig- txuas. Txoj hauv kev ntawd ua haujlwm sib npaug zoo nrog OM4 lossis OM5 lub cev cabling - qhov sib txawv tshwm sim hauv SWDM ncav cuag thiab tus naj npawb ntawm fibers xav tau ib qhov txuas.
Hauv ib puag ncig nrog kev sib txuas luv heev - hauv qab 100 m - qhov kev sib txawv ntawm OM4 thiab OM5 ua tsis zoo txawm tias siv SWDM. Cov ntaub ntawv kev lag luam qhia tias ntau dua 90% ntawm cov chaw lag luam cov ntaub ntawv txuas nrog poob hauv 100 m, uas yog ib feem ntawm vim li cas OM5 kev saws me nyuam tau qeeb dua li qee qhov kev kwv yees.
Thaum xaiv OM5
- Koj tab tom npaj yuav siv SWDM lossis zoo sib xws multi- wavelength multimode transceivers, thiab xav tau kev lees paub txog ntawm wavelengths tshaj 850 nm.
- Reducing fiber count per link is a priority - either because of pathway constraints, patch panel density limits, or cable management goals.
- Koj qhov project yog qhov chaw tshiab cov ntaub ntawv tsim nrog cov phiaj xwm pom tseeb uas suav nrog ntau -wavelength duplex txuas ntawm 40G, 100G, lossis 400G.
- Koj xav rov qab sib raug zoo nrog koj OM4 infrastructure uas twb muaj lawm thaum ntxiv kev muaj peev xwm dav dav rau kev hloov kho yav tom ntej.
Thaum OM4 lossis Ib Leeg -Mode Tej zaum yuav ntse dua
- Koj cov transceivers yog tus qauv 850 nm multimode modules (SR, SR4, eSR4). Hauv qhov no, OM4 muab qhov sib npaug ntawm tus nqi qis.
- Koj qhov txuas txuas tau yooj yim haum rau hauv OM4 txwv thiab koj daim ntawv qhia kev tsis suav nrog SWDM optics.
- Koj xav tau kev ncua deb tshaj 150-400 m. Thaum ntawd,tib - hom fiber ntaudhau los ua cov kev daws teeb meem tsim nyog, tshwj xeeb tshaj yog cov nqi singlemode transceiver tau poob qis vim yog silicon photonics thiab hyperscale ntim yuav khoom.
- Koj cov peev nyiaj raug txwv thiab OM5's 20-30% tus nqi them nqi tshaj OM4 tsis muab xa rov qab rau koj qhov kev npaj kho qhov muag tam sim no.
OM5 vs OM4 vs Ib leeg-Hom: Kev Txiav Txim Siab Ceev
Rau luv - ncav cuag txuas (hauv qab 150 m) siv tus qauv 850 nm multimode optics,OM4 yog qhov tseem ceeb, tus nqi - xaiv tau zoo. Nws txhawb txhua daim ntawv thov IEEE multimode Ethernet tam sim no ntawm tag nrho qhov kev ncua deb.
Rau luv-mus cuag cov txuas siv SWDM lossis ntau- wavelength optics,OM5 ntxiv tus nqilos ntawm guaranteed bandwidth ntawm ntev wavelengths thiab ncua mus txog.
Rau kev sib txuas ntev tshaj li ob peb puas meters, lossis thaum npaj rau 800G thiab tshaj,tib - hom fiber ntauyog txoj kev coj. Tag nrho cov qauv IEEE tam sim no thiab yav tom ntej rau 100G txog 800G suav nrog ib qho - cov kev xaiv hom, thiab ntau qhov txuas ntxiv - tiam ceev yuav xav tau nws.
Puas yog OM5 Tsim Nyog Tus Nqi Ntxiv?
OM5 cabling feem ntau raug nqi 20-30% ntau tshaj OM4 rau cable nws tus kheej. Thaum koj suav nrog tus nqi tag nrho cov channel - suav nrog SWDM transceivers - tus nqi yuav siab dua. Cov lus nug yog seb tus nqi them yuav koj li cas koj yuav siv tiag tiag.
Yog tias koj lub optics roadmap suav nrog SWDM -style duplex links thiab koj xav tau qhov ncav cuag uas OM5 muab nyob rau lub wavelengths ntev, qhov peev yog tiv thaiv tau. Koj tau them nyiaj rau pem teb kev ua tau zoo uas OM4 tsis tuaj yeem muab ntawm 910-940 nm.
Yog tias koj daim ntawv qhia txoj kev tsis suav nrog cov optics, tus nqi ntxiv yuav koj lub peev xwm uas koj yuav tsis tawm dag zog. Hauv qhov xwm txheej ntawd, OM4 tseem yog qhov kev xaiv ua tau zoo dua, thiab muab cov nyiaj khaws cia rau lwm qhov chaw ua haujlwm - zoo duapatch kab, kev tswj cov kab hluav taws xob huv, lossis kev cia rau yav tom ntej singlemode tsiv teb tsaws - tej zaum yuav yog kev siv nyiaj zoo dua.
Feem ntau yuam kev thaum qhia OM5
Piv txwv tias OM5 cia li txhais tau tias kev sib txuas sai dua.
Lub cable ib leeg tsis tsim kom muaj kev hloov pauv ceev. Qhov zoo dua yog los ntawm kev sib xyaw ntawm OM5 fiber ntau nrog ntau yam - wavelength optics. Yog tsis muaj txoj cai transceivers, OM5 ua tau zoo ib yam rau OM4.
Ignoring sab transceiver ntawm qhov sib npaug.
Peb pom qhov no hauv kev txiav txim siab yuav khoom qhov twg pawg qhia OM5 cabling tab sis txuas ntxiv siv tus qauv 850 nm SR4 modules. Qhov tshwm sim yog qhov kev nqis peev zoo ntawm cable nrog tsis muaj txiaj ntsig kev ua haujlwm. Nco ntsoov xyuas kom meej tias koj cov transceivers tau npaj ua haujlwm thoob plaws lub waveband dav dua ua ntej qhia OM5.
Kho OM5 raws li tus qauv kev sib kis Ethernet.
Raws liFluke Networks sau tseg hauv nws cov ntsiab lus OM5, tsis muaj cov qauv sib kis uas tshwj xeeb xaiv OM5 lossis SWDM. OM5 yog lub peev xwm cabling uas txhawb nqa qee tus tswv thiab ua ntej - cov ntawv thov txheej txheem - tsis yog universal tshiab Ethernet tier.
Overlooking rov qab compatibility hauv kev npaj.
OM5 yog tag nrho rov qab sib xws nrog OM4 thiab OM3 ib puag ncig. Qhov ntawd ua rau kev hloov kho theem ua tau zoo - koj tuaj yeem nruab OM5 lub cev cabling tam sim no thiab pib nrog cov qauv transceivers, ces tsiv mus rau SWDM optics tom qab. Tab sis rov qab sib xws tsis tau txhais hais tias cov cuab yeej cuab tam qub yuav tau txais txiaj ntsig tshiab.
OM5 Compatibility thiab Connector Paub meej
OM5 siv tib hom connector li OM3 thiab OM4. Hauv feem ntau cov ntaub ntawv xa tawm chaw, qhov ntawd txhais tau tias:
- LC Duplex connectorsntawm thaj vaj huam sib luag thiab cov khoom siv chaw nres nkoj - tus qauv interface rau SWDM transceivers.
- MPO / MTP connectorsrau cov pob txha caj qaum cables, feem ntau Base -8 lossis Base-12 teeb tsa uas tawg mus rau LC ntawm kev sib txuas.
- TxujUPC (Ultra Physical Contact) polishrau kev siv multimode.
Tsis muaj qhov tshwj xeeb txuas kho vajtse lossis polishing yog xav tau rau OM5. Qhov tsuas pom qhov txawv yog cov txiv qaub ntsuab xim coding ntawm cable tsho, connector khau boots, thiab adapter vaj tse, uas ua raws li TIA cov lus qhia rau kev txheeb xyuas wideband multimode cabling.
Kev ntsuam xyuas qhov poob ntawm 850 nm yog txaus los xyuas OM5 kev teeb tsa - cais kev sim ntawm 953 nm tsis tas yuav tsum muaj rau cov qauv tam sim no.
Cov lus nug nquag
Puas yog OM5 rov qab siv tau nrog OM3 thiab OM4?
Yog lawm. OM5 ua tau raws li tag nrho OM4 specifications ntawm 850 nm thiab yog tag nrho sib xws nrog OM3 thiab OM4 multimode ib puag ncig uas twb muaj lawm. Koj tuaj yeem sib xyaw OM5 lub cev cabling nrog OM4 thaj cords hauv tib qhov txuas, txawm hais tias qhov kev ua tau zoo SWDM zoo tshaj plaws, siv OM5 thoob plaws hauv cov channel tau pom zoo.
Kuv puas tuaj yeem siv OM5 fiber ntau nrog tus qauv 850nm transceivers?
Yog lawm, OM5 ua haujlwm nrog txhua tus transceiver tsim rau 50/125 µm multimode fiber ntau. Txawm li cas los xij, nrog ib qho - wavelength 850 nm modules, koj yuav tsis pom muaj txiaj ntsig lossis kev ua tau zoo tshaj OM4. Qhov zoo ntawm OM5 tsuas yog tshwm sim nrog ntau- wavelength optics ua haujlwm thoob plaws qhov dav 850–953 nm.
Dab tsi connectors siv nrog OM5 fiber ntau?
OM5 siv tib yamtxheem multimode connectorsraws li OM3 thiab OM4 - feem ntau LC rau kev sib txuas duplex thiab MPO / MTP rau kev sib txuas lossis lub cev cabling. Tsis xav tau tshwj xeeb connector kho vajtse.
Puas yog OM5 tsim nyog rau 400G?
Nws nyob ntawm tus qauv 400G tshwj xeeb. Rau 400GBASE-SR8 (uas siv yim txoj kab sib luag ntawm 850 nm), OM4 muab qhov ncav cuag tib yam li OM5. Rau 400GBASE-SR4.2 - thawj IEEE tus qauv uas siv multimode WDM - OM5 tuaj yeem xa mus tau zoo dua thiab kev ua tau zoo dua channel. Ntsuas raws li qhov twg 400G module koj tus neeg muag khoom hloov pauv txhawb.
Puas yog OM5 pab txo cov suav fiber ntau hauv kuv qhov chaw khaws ntaub ntawv?
Tsuas yog thaum ua ke nrog SWDM lossis ntau yam zoo sib xws - wavelength optics uas siv duplex fiber ntau dua li cov khoom siv fiber ntau. Kev txo cov fiber ntau yog los ntawm kev tsim cov transceiver, tsis yog los ntawm hom cable ib leeg. OM5 ua rau qhov duplex multi-wavelength mus kom ze rau qhov ntev dua.
OM5 piv rau - hom fiber ntau rau yav tom ntej - pov thawj li cas?
Rau kev sib txuas ntev heev lossis qib nrawm dua 400G,tib - hom fiber ntaumuab txoj kev txhim kho kom pom tseeb. Tib- hom txhawb nqa tag nrho IEEE Ethernet ceev los ntawm 1G txog 800G thiab dhau mus uas tsis muaj kev txwv deb nyob rau hauv cov ntaub ntawv ib txwm muaj thiab cov ntsuas hauv tsev kawm ntawv. OM5 yog qhov zoo tshaj plaws rau cov koom haum tau cog lus rau ntau hom ecosystem uas xav tau qhov kev xaiv zoo tshaj plaws multimode muaj rau luv luv - ncav cuag, siab - kev xa tawm ceev.
