Lub connector kawg ntawm lub cev fiber ntau siv los ua ib qho kev xav tom qab. Ntawm 400G, 800G, thiab sab hauv AI suav cov ntaub nws tsis yog: fiber ntau suav, polarity, thiab poob qib tam sim no ua rau koj cov peev nyiaj siv hluav taws xob, koj ncav cuag, thiab mob npaum li cas qhov kev hloov kho tom ntej yuav yog. Cov lus qhia no yog hais txog cov kev txiav txim siab engineers tiag tiag ua ntej lawv yuav - Base-8 lossis Base-16, MPO-12 lossis MPO-16, APC lossis UPC, thiab seb qhov kev xaiv niaj hnub no puas muaj sia nyob dhia mus rau 800G.
MTP Connector yog dab tsi?
MTP connector yog ib tug multi-fiber push- ntawm connector uas txiav ob peb optical fibers nyob rau hauv ib lub ferrule ib leeg, yog li tag nrho cov array mates los yog unmates nyob rau hauv ib lub laub es tsis txhob ntawm ib tug fiber nyob rau hauv ib lub sij hawm. Qhov twg koj yuav txwv tsis pub ntsaws rau hauv kaum ob fibers ib tus zuj zus, koj thawb hauv ib qho txuas.
Lub npe mus ncig ua si rau tib neeg, yog li nws tsim nyog ua kom meej.MTP yog ib lub cim lag luam ntawm US Conecrau nws tus kheej kab ntawm siab -kev ua tau zoo MPO connectors. Txhua MTP yog MPO, tab sis tsis yog txhua MPO yog MTP. MPO (multi-fiber push-on) yog cov generic, qauv-raws li qeb tau teev tseg hauv qab noIEC 61754-7: Uaand TIA-604-5 (FOCIS 5). MTP yog ib lub chaw tsim khoom nruj dua kev ua siab ntev tsim ntawm tib lub cev sib txuas, uas yog vim li cas ob qho tib si sib cuam tshuam.
Hauv MTP connector koj yuav pom plaub yam uas txiav txim siab seb nws ua li cas:
- MT ferrule muaj- qhov tseeb- molded lub cev uas tuav cov fibers nyob rau hauv ib tug ruaj array. Kev sib tw, thiab yog li poob, yeej lossis poob ntawm no.
- Qhia pins thiab pin qhov- ob tus pins hlau ntawm tus txiv neej connector khub niam txiv rau hauv lub qhov ntawm tus poj niam connector kom haum ob lub ferrules. Qhov no kuj yog qhov txiav txim connector "poj niam txiv neej."
- Caij nplooj ntoos hlav sib dhos- tuav tswj kev sib cuag sib raug zoo thoob plaws mating cycles.
- Tsev thiab khau raj- tiv thaiv lub ferrule thiab muab strain nyem kom cov fiber ntau tsis khoov dhau nws qhov txwv.
Yog li vim li cas thiaj them nyiaj rau MTP tshaj ib qho khoom muag MPO? Cov ntug pom nyob rau hauv peb qhov chaw: qis qis qis qis qis (cov qib zoo tshaj feem ntau nyob ib puag ncig 0.1 dB ib khub niam txiv, piv rau siab dua thiab ntau dua cov duab sib txawv ntawm cov khoom qis- qib), lub ntab, tshem tau ferrule uas txhim kho kev rov ua dua, thiab cov vaj tsev uas tuaj yeem rov ua dua - pinned lossis re- polished.Teb Chaws Asmeskas Conec tshaj tawm kev ntxig - thiab xa rov qab- cov lej poob los ntawm qib ferrulethiab tsim nyog nws cov connectors rau Telcordia GR-1435 durability test. Nyob rau hauv ib lub patch qaum tsis muaj qhov teeb meem no. Nyob rau hauv ib txoj kab ke uas khiav los ntawm peb lossis plaub qhov kev sib koom ua ke ntawm kev hloov pauv - qhov twg txhua tus phooj ywg noj rau hauv cov nyiaj poob qis - qib koj xaiv tuaj yeem txiav txim siab seb qhov txuas 400G lossis 800G dhau los lossis ua tsis tiav. Thoob plaws ntau txhiabKev sib txuas ntawm MPO / MTPnyob rau hauv ib tug hyperscale ntaub, me me rau ib - khub sib txawv sib txuas sai sai.
MTP vs MPO: Dab tsi tiag tiag txawv
| Qhov xwm txheej | General MPO | MTP (US Conec) |
|---|---|---|
| Kev ua raws li tus qauv | IEC 61754-7, TIA-604-5 | Tib cov qauv, nruj dua raug kam rau ua |
| Tej yam ntxig poob | Siab dua; Qib cov khoom sib txawv | qis; premium qib "Elite" mus txog qhov poob qis heev |
| Qhia tus pin tsim | Txuj | Elliptical stainless hlau rau kev sib tw zoo dua |
| Ferrule | Tsau | Floating, tshem tau rau re- polishing |
| Teb reconfigurability | txwv | Re-pinnable; poj niam txiv neej thiab polarity hloov tau ntawm qee cov kab |
| Intermateable? | Yog lawm | Yog - ob leeg ua raws tib MPO interface |
Kev ncaj ncees takeaway: xaiv ntawm qib poob thiab rov kho dua, tsis yog lub logo. MPO zoo los ntawm tus neeg muag khoom muaj npe nrov tuaj yeem tuav cov khoom qis- qib qis hnav ib lub npe, yog li thov komntsuasinsertion- poob qib es tsis ntseeg cov npe ntawm qeb.
Fiber suav thiab Base Architecture
Qhov no yog ib qho kev xaiv tseem ceeb tshaj plaws thaum yuav hnub no. MTP/MPO connectors tuaj nyob rau hauv ntau fiber ntau suav, thiab txhua tus yog engineered kom phim ib tiam tshwj xeeb ntawm parallel -optic transceivers. Xaiv qhov kev suav tsis raug thiab koj xaus nrog kev tso tseg ("tsaus") fibers, siv nyiaj pov tseg, lossis mob tsiv teb tsaws tom qab.
| Fiber suav | Hom npe | Qhov zoo tshaj plaws ua ke nrog | Sau ntawv |
|---|---|---|---|
| 8- fiber ntau | Base-8 / MPO-8 | 40G/100G SR4, 400G-DR4 | Tsis muaj fiber ntau tsaus nti rau 4+4 kab optics; huv si tawg |
| 12- fiber ntau | Base-12 / MPO-12 | 40G / 100G SR4 (siv 8 ntawm 12), cov khoom qub | Cov tsoos ua hauj lwm; 4 fibers feem ntau tsis siv |
| 16- fiber ntau | Base-16 / MPO-16 | 400G-SR8, 800G-DR8, 800G-SR8 | Offset tseem ceeb tiv thaiv mismating; nce AI / HPC tus qauv |
| 24- fiber ntau | MPO-24 | High -cov pob tw, 800G aggregation | Ob kab ntawm 12; Maximum ceev ib ferrule |
Peb txoj cai ua raws li lub rooj ntawd.Base-12 yog qhov qub qub qub- nws ua haujlwm thiab lub hauv paus tau teeb tsa loj heev, tab sis ntawm 8-kab kab optic nws tawm plaub fibers tsaus, yog li koj them rau lub peev xwm koj siv tsis tau.Base-8 tshem tawm cov fibers tsausrau 4- xa / 4-receive optics uas dominate 100G thiab 400G-DR4.Base-16 yog qhov saib:nws tus yuam sij yog lub cev offset yog li nws tsis tuaj yeem ua phooj ywg nrog Base -12 tivthaiv - ib qho kev nyab xeeb, tsis yog qhov tsis yooj yim - thiab nws ncaj nraim nrog 8-kab optics. 800G-DR8, piv txwv li,khiav yim txoj kab dhau kaum rau ib - hom fibers, lub ntuj haum rau 16-fiber ferrule tsis muaj dab tsi sab laug tsaus. Tias yog vim li cas tshiab AI-cluster thiab hyperscale tsim nce tus qauv ntawm16-fiber MTP / MPO lub cev cables. Yog tias koj cia siab tias yuav thawb lub network mus rau 400G lossis 800G, cia koj lub transceiver roadmap tsav cov fiber ntau - suav txiav txim siab, tsis yog qhov pheej yig tshaj hnub no.
Matching Connectors rau Ceev: 100G, 400G, thiab 800G
Vim tias txhua daim ntawv qhia ceev mus rau ib txoj kab tshwj xeeb, lub connector yuav luag ntog tawm ntawm optic koj xaiv. Cov lus hauv qab no suav nrog qhov sib npaug ntawm - cov ntaub ntawv kho qhov muag - qhov twg MTP / MPO qhov tseem ceeb.
| Ceev thiab optic | Lanes (Tx/Rx) | Fibers siv | Hom connector | Fiber ntau |
|---|---|---|---|---|
| 100G-SR4 | 4 + 4 | 8 | MPO-12 (8 ntawm 12) lossis MPO-8 | OM3 / OM4 multimode |
| 100G-DR | 1 + 1 | 2 | Duplex LC lossis MPO | OS2 single-mode |
| 400G-DR4 | 4 + 4 | 8 | MPO-12 los yog MPO-8 (Base-8) | OS2 single-mode |
| 400G-SR8 | 8 + 8 | 16 | MPO-16 (Base-16) | OM4 multimode |
| 800G -DR8 | 8 + 8 | 16 | MPO-16 (Base-16) | OS2 single-mode |
| 800G-SR8 | 8 + 8 | 16 | MPO-16 (Base-16) | OM4 / OM5 multimode |
100Gfeem ntau nyob ntawm 4- txoj kab SR4 optic - yim fibers, keeb kwm nqa ntawm Base -12 lub cev nrog plaub qhov tsis muaj zog, uas yog vim li cas Base-8 yog qhov kev xaiv huv dua rau 100G cog tshiab. Ib txoj kab 100G-DR tsuas yog siv ob lub fibers dhau ib hom.400Gsplits nyob rau hauv ob txoj kev: 4- txoj kab DR4 (yim fibers, Base-8, tsis muaj fibers tsaus) rau ib hom mus cuag, thiab 8-kab SR8 ( kaum rau fibers, Base-16) rau luv luv multimode khiav.800Gyog khov kho yim- txoj kab.IEEE 802.3df-2024 tus qauv 800 GbE ntawm qhov sib npaug los ntawm yim interface, uas yog qhov tseeb yog vim li cas kaum rau - fiber ntau txuas nrog DR8 thiab SR8 kom huv si - thiab yog vim li cas 800G txoj kev qhia tau zoo txhais tau tias yog Base -16 txoj hauv kev. QSFP-DD thiab OSFP modules cov optics nkoj nyob rau hauv yog tsim nyob ib ncig ntawm tib yim-kab qauv.
Tib -mode vs Multimode, thiab APC vs UPC
Ob txoj kev xaiv ntxiv txiav txim siab seb qhov txuas puas ua tau. Thawj qhov yog qhov kev ncua deb -thiab- tus nqi txiav txim; qhov thib ob yog hais txog kev xav.
| Fiber ntau | Hom / tub ntxhais | Hom ncav cuag | Qhov twg nws haum |
|---|---|---|---|
| OM 3 | Multimode, 50 µm | Luv luv (legacy 10G / 40G) | Kev laus kev xa tawm thiab luv SR txuas |
| OM 4 | Multimode, 50 µm | Ntev ntev multimode ncav cuag | Lub tuam txhab ua haujlwm rau 100G-400G luv txuas |
| OM 5 | Multimode, 50 µm | Wideband multimode | SWDM thiab luv - ncav cuag optimization |
| OS 2 | Tib -mode, 9 µm | Ntev (km) | Ntev ncav cuag thiab siab tshaj bandwidth; DR/FR optics |
Rau luv luv, tus nqi -sensitive khiav hauv ib chav tsev ntaub ntawv,multimode qib xws li OM4 thiab OM5yeej ntawm optics nqi. Thaum nyob deb lossis ntev - lub sijhawm bandwidth headroom tseem ceeb,OS2 single-mode fiberyog cov lus teb, thiab nws yog qhov DR thiab FR optics xav tau. Hauv kev xyaum, tus transceiver ua qhov hu rau koj: phim cov fiber ntau rau optic.
Qhov thib ob xaiv yog endface polish. Lub kaum sab xis ntawm lub cev -kev sib cuag (APC) qhov kawg yog hauv av mus rau 8-degree lub kaum sab xis uas cuam tshuam cov kev xav tsis zoo tawm ntawm qhov chaw, muab qhov zoo duarov poob; lub cev tiaj tus -kev sib cuag lub ntsej muag tsis. Ib qho subtlety ib zaug -fiber world's lo lus zais: nruj me ntsis, "UPC" piav qhia ib zaug xwb -fiber LC/SC polish. Feem ntau cov multimode MPO ferrules yog lub cev sib tiv tauj (PC), thaum ib leeg -hom MPO nce ships angled (APC). Txoj cai tseem ceeb ntawm lub khib yog yooj yim - angled mates tsuas yog nrog angled, tiaj tus nkaus xwb. Mate lub ntsej muag APC rau ib lub tiaj tus thiab koj tau txais kev sib txuas tsis zoo lossis kev puas tsuaj ferrule, yog li paub meej tias ob qhov kawg pom zoo ua ntej koj xaj.
Polarity tsis muaj mob taub hau: Txoj Kev A, B, thiab C
Polarity ua kom cov xaim fiber ntau ntawm ib thaj av kawg ntawm qhov chaw txais txais ntawm lwm qhov. Tau txais nws tsis ncaj ncees lawm thiab qhov txuas yooj yim yuav tsis dhau kev khiav tsheb. Peb cov txheej txheem txheej txheem muaj nyob:
- Txoj Kev A (ncaj-los ntawm):key-mus txog qhov tseem ceeb-down, fibers daim ntawv qhia 1→1 ncaj nraim. Xav tau ib qho A-rau-A thiab ib qho A-rau-B thaj qaum kom tig lub teeb liab thaum kawg.
- Txoj kev B (rov qab):key- mus rau qhov tseem ceeb -up. Lub cev nws tus kheej flips qhov kev txiav txim fiber ntau, yog li koj siv tib hom kab hlua ntawm ob qhov kawg - yooj yim rau Tshuag.
- Txoj kev C (pairwise flip):Cov fibers uas nyob ib sab yog swapped hauv khub hauv lub cev, feem ntau hauv duplex kis / tau txais daim ntawv thov.
Koj tsis tas yuav cim cov kab txuas. Koj yuav tsum xaiv ib txoj hauv kev thiab siv nws tsis tu ncua thoob plaws tag nrho cov channel. Kev sib xyaw ua ke yog qhov classic ntawm "qhov txuas yog tuag thiab tsis muaj leej twg paub vim li cas" daim pib, yog li sau koj txoj kev xaiv thiab sau txhua lub cev raws li.
Field-Configurable Connectors (MTP Pro)
Newer MTP Pro-style connectors cia ib tug kws kho mob hloov poj niam txiv neej (pinned los yog unpinned) thiab hloov polarity ntawm tes nyob rau hauv lub teb, tsis muaj cov cuab yeej los yog disassembly. Hauv qhov loj lossis nrawm- hloov pauv kev xa tawm uas yog qhov ua tau zoo ntawm kev ua haujlwm: koj khaws SKUs tsawg dua, koj kho qhov yuam kev polarity ntawm lub khib es tsis txhob rov- xaj, thiab txav, ntxiv, thiab hloov pauv sai dua. Yog tias koj khiav ib puag ncig dynamic, nug cov neeg muag khoom tshwj xeeb seb lawv cov khoom txuas puas txhawb kev teeb tsa thaj chaw.
Yuav Xaiv Li Cas: Rau -Txoj Kev Ua Haujlwm
Ua hauj lwm los ntawm cov no nyob rau hauv kev txiav txim thiab cov khoom zoo feem ntau yuav pom tseeb:
- Pin koj transceiver roadmap, hnub no thiab nyob rau hauv txog peb xyoos.Qhov no teev fiber ntau suav: 8-kab optics lean rau Base-8 lossis Base-16; legacy SR4 ua rau Base-12 tau txais.
- Multimode lossis ib hom -?Sib piv cov fiber ntau rau optic thiab qhov deb - luv thiab pheej yig nyiam OM4/OM5, ntev nyiam OS2.
- APC lossis UPC?Ua raws li qhov xav tau ntawm optic; ib zaug -mode siab- ceev feem ntau txhais tau tias APC. Tsis txhob sib tov lub kaum sab xis thiab tiaj tus.
- Qib poob dab tsi?Tighter link budgets thiab ntau khub niam txiv nyob rau hauv lub channel hu rau ib tug tsawg- poob los yog Elite qib.
- Qhov no yuav hloov ntau npaum li cas?Ib puag ncig dynamic ua kom pom tseeb qhov chaw -configurable (MTP Pro-style) connectors thiab hloov dua siab tshiab modules.
- Xaiv ib txoj kev polarity thiab sau nwsua ntej koj xaj ib kab.
Installation thiab tuav: Qhov twg feem ntau cov teeb meem tiag tiag pib
Feem ntau ntawm MTP tsis ua haujlwm tsis yog tsim kev ua tsis tiav - lawv tuav qhov ua tsis tiav. Kev ua haujlwm siab - leverage:
- Tshawb xyuas ua ntej koj txuas.Ib qho sub-micron speck ntawm lub ferrule tuaj yeem tua qhov txuas. Peb tau tig 400G txuas uas tsis kam hla kev tsheb tom qab kev huv huv - saib kev teeb tsa, tsuas yog nrhiav tau ib qho plua plav ntawm ib qho fiber ntau hauv qab; re-huv, re- tshuaj xyuas, thiab qhov txuas tuaj. Kev kis kab mob, tsis hnav, xaus kev sib txuas feem ntau, yog li tshuaj xyuas nrog cov khoom siv fiber ntau, ntxuav nrog cov cuab yeej MPO kom raug, thiab rov- tshuaj xyuas ua ntej mating.
- hwm lub vojvoog khoov.Macrobends thiab microbends los ntawm ntau tshaj - kev sib khi nruj los yog ntse tig ntxiv poob thiab tuaj yeem ua rau cov fibers puas. Siv Velcro, tsis yog zip ties cinched nruj.
- Txheeb xyuas polarity thiab poob tom qab kev teeb tsa.Ntsuas qhov poob thiab rov qab poob; ib tug huv -zoo saib tsis yog pov thawj ntawm ib tug zoo.
- Sau txhua yam thiab khaws cov ntaub ntawv.Nco ntsoov cov qauv, qib, thiab cov qhabnias xeem - ntawm - hu rau cov npoj yaig uas ua raws koj yuav xav tau lawv. Tib yamfiber ntau qhov kev coj ua zoo tshaj plawsrau rub thiab hnav cable siv rau MPO pob tw.
- Tsis txhob sib tov qhov tsis sib xws.Base-16 yuav tsis ua phooj ywg Base-12; angled yuav tsis sib haum. Cov keying thiab geometry tiv thaiv koj.
Kev tsiv teb tsaws tsis Ripping Out Base-12
Yog tias koj twb muaj lub hauv paus loj -12 qaum qaum, koj tsis tas yuav rhuav tshem nws kom tau txais cov optics tshiab. Hloov cov ntaub ntawv hloov dua siab tshiab thiab hloov dua siab tshiab (Y) cords choj cov kab ke qub txeeg qub teg rau niaj hnub Base-8 lossis Base-16 hloov chaw nres nkoj - piv txwv li, cais MPO-16 optic hla ob MPO-8 txuas nrogkiv cua- tawm (breakout) cables. Uas cia koj tsiv teb tsaws chaw thiab optics ntawm lawv tus kheej lub sijhawm thaum rov siv cov fiber ntau uas twb muaj lawm, uas feem ntau yog qhov kim tshaj plaws thiab cuam tshuam ntawm cov nroj tsuag los hloov.
FAQ
Q: Puas yog MTP zoo ib yam li MPO?
A: Tsis yog, tab sis lawv sib xws. MPO yog tus qauv dav dav; MTP yog US Conec txoj kev txhim kho, nruj dua - kev zam version ntawm MPO connector. Lawv sib raug zoo.
Q: Muaj pes tsawg fibers puas MTP connector tuav?
A: Feem ntau 8, 12, 16, lossis 24. Kaum ob yog qhov qub qub; 16- fiber ntau (MPO-16) tau siv ntau dua rau 400G thiab 800G, thiab 24-fiber ua haujlwm rau cov pob tw siab heev.
Q: Dab tsi fiber suav kuv yuav tsum siv rau 400G lossis 800G?
A: Rau 8- txoj kab kev kho qhov muag xws li 400G-SR8 thiab 800G-DR8, MPO-16 (Base-16) yog lub ntuj haum vim nws tshem tawm cov fibers tsaus. Base-8 ua haujlwm zoo rau 4-kab DR4 optics. Sib piv cov suav rau koj lub transceiver.
Q: Puas MTP connectors muaj poj niam txiv neej?
A: Yog. Txiv neej connectors nqa cov kev sib tw qhia pins; poj niam connectors muaj lub qhov. Kev sib txuas ib txwm muab ib tug txiv neej nrog ib tug poj niam. Qee qhov txuas niaj hnub no cia koj hloov poj niam txiv neej hauv thaj teb.
Q: Kuv puas tuaj yeem txuas MTP rau LC lossis SC connectors?
A: Yog, los ntawm cov kiv cua- tawm (breakout) cables lossis MPO- mus rau -LC cassettes, uas faib cov multi- fiber ntau connector rau hauv ib tus neeg duplex connectors. Qhov no yog li cas MTP nraub qaum cuam tshuam nrog cov cuab yeej siv LC.
Q: Qhov txawv ntawm APC thiab UPC yog dab tsi, thiab kuv puas tuaj yeem sib xyaw?
A: APC muaj 8-degree angled endface kom rov qab poob zoo dua; lub cev tiaj tus -kev sib cuag (PC/UPC) lub ntsej muag tsis. Koj tsis tuaj yeem sib tw lub ntsej muag lub ntsej muag mus rau ib qho tiaj tus - ob qho kawg yuav tsum sib phim. Ib qho - hom kev sib txuas ceev nrawm siv APC.
Q: MTP connector ntev npaum li cas?
A: Cov khoom sib txuas zoo MTP raug ntsuas rau ntau pua lub voj voog mating yam tsis muaj txiaj ntsig kev puas tsuaj, nrog kev ua haujlwm ruaj khov tiv thaiv Telcordia GR-1435. Kev kis kab mob, tsis hnav, yog qhov feem ntau xaus kev sib txuas lub neej muaj txiaj ntsig.
Kab hauv qab
MTP connector yog ib pawg ntawm kev txiav txim siab - fiber ntau suav, puag architecture, polish, fiber ntau hom, polarity, thiab poob qib - thiab cov pawg yog nyob ntawm qhov ceev koj tab tom tsim, tsis yog hom ntawm lub tsev. Xauv koj daim ntawv qhia transceiver ua ntej, thiab cia Base-8 lossis Base-16 ua raws yog 400G lossis 800G tab tom los. Sib phim fiber ntau thiab polish rau optic. Xaiv thiab sau ib txoj kev polarity. Spec ib qib poob koj cov peev nyiaj tuaj yeem nqa tau. Tau txais cov cai ntawd thiab kev txav mus rau qhov nrawm tom ntej yog kev sib pauv, tsis yog rov tsim dua.
