MTP/MPO cables tsim cov caj qaum ntawm siab -cov fiber ntau ntom ntom hauv cov chaw zov me nyuam niaj hnub, AI pawg, thiab cov chaw hauv tsev kawm ntawv. Yog tias koj tab tom npaj 40G, 100G, 400G, lossis 800G kho qhov muag txuas, koj yuav tau ntsib cov ntsiab lus xws li MTP jumper, MPO pob tw, Hom B polarity, Base -8 cabling, los yog hlua cable - thiab tej zaum yuav tsis paub meej tias lawv cuam tshuam li cas rau ib leeg lossis ib qho twg koj xav tau xaj.
Feem ntau cov lus qhia npog cov ntsiab lus zoo tab sis nres luv luv ntawm kev pab koj txiav txim siab yuav khoom. Kab lus no ua ob qho tib si. Nws piav qhia tias MTP / MPO cables yog dab tsi, hom kab tseem ceeb sib txawv li cas, polarity thiab fiber ntau cuam tshuam rau kev sib raug zoo, thiab - qhov tseem ceeb tshaj plaws yog - yuav ua li cas xaiv txoj cai cable rau ib qho transceiver tshwj xeeb, txuas ceev, thiab lub cev ib puag ncig. Qhov twg muaj feem, peb sivANSI/TIA-568Cov qauv cabling tsim thiab IEEE 802.3 Ethernet specifications kom khaws cov ntaub ntawv pov thawj.
MTP / MPO Cables yog dab tsi?
MTP/MPO cables yog fiber ntau optic sib dhos uas siv ntau -fiber push- ntawm cov khoom sib txuas, txhua tus nqa 8, 12, 16, lossis 24 fibers hauv ib lub ferrule. Piv nrog duplex LC lossis SC thaj qaum uas nqa ib lossis ob lub fibers rau ib qho txuas, MTP / MPO interface suav nrog ntau txoj hauv kev kho qhov muag rau hauv ib qho kev sib txuas sib txuas. Hauv kev xa tawm tiag tiag, qhov no txhais tau ncaj qha rau hauv cov kab hluav taws xob tsawg dua, kev muab ceev dua, thiab qhov chaw nres nkoj ntau dua rau ib chav tsev khib.
Cov kab hluav taws xob no txhawb nqa kev sib txuas ntawm qhov muag sib txuas - txoj kev siv los ntawm transceivers xws li 40GBASE-SR4 (8 fibers), 100GBASE-SR4 (8 fibers), thiab 400GBASE-SR8 (16 fibers) - uas yog vim li cas lawv thiaj li tseem ceeb tshaj qhov sib txuas ntawm ib puag ncig.
Qhov twg MTP / MPO Cables feem ntau siv
Koj yuav pom MTP/MPO cabling nyob rau hauv txhua qhov niaj hnub siab - nrawm fiber ntau ib puag ncig: nplooj- qaum cov ntaub ntawv chaw ntaub, siab- kev ua tau zoo suav thiab GPU / AI kev cob qhia pawg, tsev kawm ntawv thiab lub tsev txuas txuas, lub hauv paus chaw ua haujlwm hauv xov tooj, thiab cov txheej txheem cabling tsim los rau ntau- tiam ceev hloov khoom dua tshiab. Nyob rau hauv txhua rooj plaub, cov txiaj ntsig tseem ceeb yog tib yam - fibers ntau dua los ntawm qhov chaw qis dua thiab lub tais, nrog kev txav nrawm dua, ntxiv, thiab hloov pauv piv rau ib tus neeg duplex patch cords.
MTP vs MPO: Qhov txawv yog dab tsi thiab thaum twg nws tseem ceeb?
Qhov no yog ib qho ntawm cov lus nug uas nquag tshawb nrhiav hauv cheeb tsam no, thiab cov lus teb tseem ceeb tshaj li ntau tus neeg yuav khoom paub.
MPO (Multi-fiber Push-On) yog hom kev sib txuas sib txuas uas tau hais los ntawm cov qauv thoob ntiaj teb suav nrog IEC 61754-7. Txhua qhov chaw tsim khoom tuaj yeem tsim MPO-raws li connector. MTP yog ib lub cim lag luam sau npe ntawmUS Conec, lub tuam txhab uas xub tsim ntau -fiber push- ntawm tsev neeg txuas. MTP connector ua tau raws li MPO intermatability qauv (TIA-604-5 / IEC 61754-7) tab sis ntxiv ntau yam kev txhim kho engineering uas cuam tshuam rau kev ua tau zoo hauv ntiaj teb.
Qhov tseem ceeb Engineering txawv
MTP connector siv elliptical stainless-steel guide pins es tsis txhob ntawm lub tiaj tus pins pom nyob rau hauv generic MPO connectors, uas txhim kho fiber ntau-rau-fiber alignment raug. Nws kuj tseem muaj cov txheej txheem ntab ferrule uas tuav lub cev sib tiv tauj hauv qab cable strain lossis thermal expansion - qhov nthuav dav uas tseem ceeb tshaj plaws thaum lub connector yog mated ncaj qha mus rau lub transceiver nyob rau hauv load. Tsis tas li ntawd, MTP vaj tse yog tshem tau, uas tso cai rau cov kws tshaj lij hauv teb tuaj yeem rov ua dua - polish lub ferrule, hloov cov poj niam txiv neej connector, lossis kho polarity yam tsis tau hloov tag nrho lub rooj sib txoos.
Hais txog kev ntsuas kev ua tau zoo, tus qauv MTP Elite multimode connectors ua tiav qhov raugpoob poobntawm ib ncig ntawm 0.10 dB ib khub niam txiv nrog qhov siab tshaj plaws ntawm 0.35 dB, piv nrog rau 0.75 dB siab tshaj plaws rau generic MPO connectors. Qhov sib txawv ntawd yuav zoo li me me, tab sis nws sib txuas sai sai thoob plaws ntau qhov sib txuas -. Ib tug plaub-kev sib txuas qaum- rau- nplooj txoj kev siv tus qauv MPO connectors ntawm 0.25 dB txhua tus siv 1.0 dB ntawm cov peev nyiaj txuas; tib txoj kev siv MTP Elite connectors ntawm 0.15 dB txhua tus siv tsuas yog 0.6 dB - tawm hauv cov npoo ntau dua rau fiber ntau attenuation thiab kev hloov kho yav tom ntej.
Thaum MTP vs MPO Xaiv Qhov Tseem Ceeb
Rau luv luv, qis -kev sib txuas- suav 40G txuas dhau OM4 multimode, qhov sib txawv ntawm MTP thiab cov khoom siv MPO generic yuav tsis txiav txim siab. Tab sis nyob rau hauv cov xwm txheej hauv qab no, kev qhia txog MTP- qib txuas txuas yog qhov tsim nyog siv tau ntau dua li cov khoom kim heev: 400G thiab 800G xa mus rau qhov kev sib txuas pob nyiaj siv nruj (piv txwv li, 400GBASE-SR8 qhia txog kwv yees li 1.9 dB tag nrho cov peev nyiaj channel); Cov pob txha caj qaum nrog ntau qhov sib txuas ntawm cov khoom sib txuas hauv series; ib puag ncig xav tau kev sib txuas ntau dua 300 mating cycles; thiab ib qho - hom channels uas yuav tsum tau rov qab poob yog nruj. Yog xav paub ntxiv txog kev sib piv, saib pebMTP vs MPO engineer cov lus qhia xaiv.
MTP / MPO Cable Hom: Pob Tawv vs Khawm vs Breakout vs Jumper
Ib qho ntawm feem ntau yuam kev yog yuav qhov tsis ncaj ncees lawm cable hom rau lub luag hauj lwm nws yuav tsum tau sau. Txhua MTP / MPO cable hom ua haujlwm sib txawv hauv cov txheej txheem cabling, thiab kev nkag siab qhov sib txawv tiv thaiv kev tsis sib haum xeeb.
MTP / MPO Jumper (Patch Cord)
Ib lub jumper - kuj hu ua thaj qaum - muaj MTP / MPO connector ntawm ob qhov kawg thiab feem ntau yog siv rau luv luv, kev sib txuas ncaj qha: transceiver mus rau transceiver, khoom siv chaw nres nkoj rau thaj vaj huam sib luag, lossis hloov mus rau hauv tib lub khib lossis cov khoom nyob ib sab. Jumpers yog qhov yooj yim tshaj plaws MTP / MPO cable hom. Nyob rau hauv cov txheej txheem cabling architecture, lawv txuas cov khoom siv ua haujlwm rau cov khoom siv tsis zoo. SaibMTP / MPO thaj cordsrau muaj configurations.
MTP / MPO Lub cev Cable
Lub cev lub cev yog ib qho -fiber backbone los ua ke nrog MTP / MPO connectors ntawm ob qho tib si, tsim los txuas cov vaj huam sib luag, faib cov thav duab, lossis cov txee rau ntau txoj hauv kev. Lub cev yog cov neeg ua haujlwm ntawm cov kab ke sib txuas - lawv nqa cov fiber ntau suav (feem ntau 24, 48, 72, lossis ntau dua fibers) ntawm kab, chav tsev, lossis tsev. Nyob rau hauv cov ntaub ntawv tiag tiag tej yaam num, trunks feem ntau ntsia ua ntej thaum lub sij hawm tsim- tawm theem thiab tsis tshua muaj txav tom qab. Ib qhov dej zoo- npaj lub cev pob txha txhawb nqa ntau tiam neeg ntawm kev siv tshuab transceiver yam tsis muaj kev rov qab{10}}kab. Saib pebMTP / MPO lub cev cablecov khoom lag luam rau specifications.
MTP/MPO Harness (Ntxuam-Tawm) Cable
Ib txoj hlua khi muaj ib qho MTP/MPO connector ntawm ib kawg thiab ntau lub duplex connectors - feem ntau LC - ntawm qhov kawg. Hom kab no txuas qhov sib txawv ntawm ntau-fiber MTP/MPO infrastructure thiab cov khoom siv duplex. Ib qho tiag tiag-cov ntaub ntawv siv thoob ntiaj teb: 100GBASE-SR4 transceiver txuas ntawm 8-fiber MTP / MPO jumper rau lub vaj huam sib luag; Nyob rau sab nraud ntawm lub vaj huam sib luag, cov hlua khi hlua khi tawm cov 8 fibers rau plaub LC duplex ports, txhua qhov pub rau 25G server NIC. Cov hlua khi hlua khi yog qhov tseem ceeb tshwj xeeb tshaj yog thaum muaj kev tsiv teb tsaws chaw ceev thaum ib feem ntawm lub network khiav cov khoom sib txuas ua ke thiab tus so tseem siv kev sib txuas duplex.
MTP / MPO Breakout Cable
Ib txoj kab hluav taws xob sib cais ib qho ntau-fiber MTP/MPO kev txuas mus rau ntau pawg me MTP/MPO. Piv txwv li, 24- fiber ntau MPO lub cev yuav tsum tau muab faib ua peb 8-fiber MTP/MPO kev sib txuas kom phim Base-8 transceivers. Breakout cables tswj qhov kev faib tawm no yam tsis tas yuav tsum muaj lub cassette lossis vaj huam sib luag. Lawv tshwj xeeb tshaj yog muaj txiaj ntsig zoo nyob rau hauv ib puag ncig high-density thiab thaum hloov pauv ntawm Base-12 thiab Base-8 architectures. Rau cov ncauj lus kom ntxaws sib piv thiab xaiv cov lus qhia, saibYuav ua li cas xaiv MPO breakout cable.
Hom kab twg koj yuav tsum xaj?
| Hom kab | Cov khoom sib txuas | Lub luag haujlwm tseem ceeb | Hom Scenario |
|---|---|---|---|
| Jumper (Patch Cord) | MTP/MPO to MTP/MPO | Kev sib txuas ncaj qha luv luv | Hloov- mus rau - vaj huam sib luag lossis hloov - mus rau - hloov hauv tib lub khib |
| Lub cev | MTP/MPO rau MTP/MPO (siab suav) | Rov qab cable | Txee-rau- txee lossis kab - mus rau - kab sib txuas |
| Harness (Ntxuam-Tawm) | MTP / MPO rau ntau LC / SC duplex | Multi-fiber mus rau duplex hloov | 100G SR4 uplink tawg tawm mus rau 4 × 25G LC server chaw nres nkoj |
| Kev tawg | MTP/MPO rau ntau MTP/MPO | Fiber pab pawg redistribution | Ib lub cev 24-fiber faib ua peb txoj hauv 8-fiber |
Yog xav paub ntxiv txog yuav ua li cas lub cev, kev tawg, thiab cov hlua khi ua haujlwm ua ke hauv cov kab ke, saib peb phau ntawv qhia ntawmMPO cable hom thiab yuav ua li cas xaiv.
Yuav ua li cas MTP / MPO Cables raug cais: Fiber suav, Polarity, hom, thiab Jacket
Tom qab txheeb xyuas txoj cai cable hom, cov kauj ruam tom ntej yog qhia plaub qhov tseem ceeb uas txiav txim siab kev sib raug zoo thiab kev ua haujlwm. Tau txais ib qho ntawm qhov tsis ncaj ncees lawm tuaj yeem ua rau qhov txuas tsis ua haujlwm lossis ncua sijhawm khoom.
Fiber suav: Base-8, Base-12, Base-16, thiab Base-24
Fiber suav yuav tsum phim lub transceiver architecture, tsis yog lub vaj huam sib luag ntom. Ntawm no yog li cas Ethernet qauv qauv qhia rau fiber ntau suav:
| Ethernet Standard | Fiber ntau (Tx + Rx) | Base Architecture |
|---|---|---|
| 40GBASE-SR4 | 8 fibers (4 Tx + 4 Rx) | Base-8 |
| 100GBASE-SR4 | 8 fibers (4 Tx + 4 Rx) | Base-8 |
| 100GBASE-SR10 | 20 fibers (10 Tx + 10 Rx) | Base-12 (nrog cov fibers tsis siv) lossis Base-24 |
| 400GBASE-SR8 | 16 fibers (8 Tx + 8 Rx) | Base-16 lossis 2 × Base-8 |
| 400GBASE-SR4 | 8 fibers (4 Tx + 4 Rx) | Base-8 |
Ib qho yuam kev yuam kev feem ntau yog xaiv Base-12 lub cev rau ib puag ncig uas yuav khiav Base-8 transceivers. Nyob rau hauv Base-12 system nqa 8-fiber tsheb, plaub fibers nyob rau hauv txhua txhua connector mus tsis siv - nkim 33% ntawm fiber ntau cog. Hauv kev xa tawm tiag tiag, qhov kev tsis sib haum xeeb no tseem cuam tshuam kev tawg thiab patching. Txoj hauv kev yog los txiav txim siab koj thawj hom transceiver ua ntej, tom qab ntawd xaiv lub hauv paus architecture uas sib haum nrog nws. Yog tias koj cia siab tias yuav muaj kev sib xyaw ntawm 8-fiber thiab 12-fiber daim ntawv thov, npaj cov txheej txheem ntawm lub cev nyob ib ncig ntawm cov ntaub ntawv siv tseem ceeb thiab daws cov kev zam ntawm lub vaj huam sib luag nrog cov qauv tsim nyog.
Polarity: Hom A, Hom B, thiab Hom C - Koj Puas Xav Tau Ib?
Polarity txhais li cas xa thiab tau txais fiber ntau txoj haujlwm yog mapped los ntawm ib kawg ntawm ib lub cable mus rau lwm qhov. Yog tias qhov polarity tsis ncaj ncees lawm, lub transmitter ntawm ib kawg tsis ncav cuag tus txais ntawm lwm qhov - thiab qhov txuas tsis tau txawm tias cov khoom sib txuas ntawm lub cev tsis muaj teeb meem.
Tus qauv ANSI/TIA-568.3 txhais tau peb txoj hauv kev classic polarity thiab, raws li 2022 hloov kho (TIA-568.3-E), ob txoj kev tshiab thoob ntiaj teb (U1 thiab U2):
- Hom A (Txoj Kev A):Ncaj nraim-los ntawm lub cev cable nrog tus yuam sij- txuas rau ntawm ib kawg thiab tus yuam sij- nqes rau ntawm lwm qhov. Yuav tsum muaj hom-A rau Hom-B duplex thaj qaum ntawm ib kawg kom ua tiav Tx-Rx flip.
- Hom B (Txoj Kev B):Lub cev rov qab tag nrho nrog cov yuam sij -up connectors ntawm ob qho kawg. Kev thim rov qab fiber ntau tshwm sim hauv lub cev nws tus kheej, yog li cov kab sib txuas zoo ib yam (A-rau-A) tuaj yeem siv tau ntawm ob qho kawg. Hom B yog txoj kev siv polarity ntau tshaj plaws nyob rau hauv niaj hnub sib luag -optic structured cabling vim qhov yooj yim no.
- Hom C (Txoj Kev C):Pairwise crossover, qhov twg txhua khub fiber ntau nyob ib sab yog flipped. Tsis tshua muaj tshwm sim hauv kev xyaum vim yog kev tsim khoom tsis yooj yim thiab txwv qhov zoo dua li Hom B.
- Universal Methods U1 thiab U2:Taw qhia hauv TIA-568.3-E (Lub Cuaj Hli 2022), ob txoj hauv kev siv hom-B pob tw thiab A- rau-B duplex thaj qaum, tab sis txawv ntawm array adapter orientation. Lawv ua kom yooj yim rau kev xa tawm los ntawm kev tso cai rau tib yam ntawm ob qho kawg ntawm ib qho channel - txo cov polarity ntsig txog kev txiav txim yuam kev uas yog ib qho ntawm cov laj thawj saum toj kawg nkaus ntawm kev teeb tsa qeeb.
Rau cov neeg yuav khoom feem ntau npaj cov txheej txheem tshiab cabling nrog cov khoom sib txuas ua ke, Hom B pob tw yog qhov kev nyab xeeb. Yog tias koj tab tom txuas ntxiv lossis patching rau hauv ib qho system uas twb muaj lawm, koj yuav tsum txheeb xyuas txoj kev polarity uas twb tau siv ua ntej xaj cov cables tshiab.
Hom Fiber: OM3, OM4, OM5, thiab OS2 - Xaiv los ntawm qhov deb thiab daim ntawv thov
Kev xaiv hom fiber ntau nyob ntawm qhov sib txuas, qhov xav tau wavelength, thiab ntev - cov phiaj xwm tsiv teb tsaws chaw. Ntawm no yog ib tug tswv yim txheej txheem cej luam:
| Hom Fiber | Qeb | Hom 400G SR8 Reach | Siv dav |
|---|---|---|---|
| OM 3 | Multimode 50/125 µm | ~70 m | Nyiaj txiag-sensitive short links; legacy 10G/40G |
| OM 4 | Multimode 50/125 µm | ~100 m | Feem ntau intra-building data center links; 40g-400g |
| OM 5 | Wideband multimode 50/125 µm | ~ 100 m (txhawb SWDM) | Luv -wavelength WDM daim ntawv thov; yav tom ntej - pov thawj rau SWDM-raws li 400G SR4.2 |
| OS 2 | Tib -hom 9/125 µm | 500 m – 10+ km (nyob ntawm qhov pom kev) | Cov pob txha hauv tsev kawm ntawv, inter- txuas txuas hauv tsev, metro/telecom, 400G DR4/FR8/LR8 |
Hauv kev txiav txim siab yuav khoom tiag tiag, qhov kev xaiv ntau tshaj plaws rau intra- tsev cov ntaub ntawv txuas txuas yog OM4, vim tias nws npog 100 m ncav cuag ntawm 400G SR8 thiab txhawb nqa ntau yam ntawm multimode parallel -optic transceivers. OS2 ib leeg- hom feem ntau yog xaiv thaum cov kev sib txuas siab tshaj 100 m, thaum lub architecture siv CWDM los yog DWDM transceivers, los yog thaum lub network phiaj xwm hu rau ib qho - hom thoob plaws rau qhov sib xws. Rau cov ncauj lus kom ntxaws nrug thiab kev sib piv bandwidth, saib pebOM1-OM5 multimode fiber ntau nrug qhiathiabOS1 vs OS2 single-mode fiber sib piv.
Jacket Rating: LSZH, OFNP, thiab OFNR
Lub tsho cable txiav txim siab qhov twg lub cable tuaj yeem raug cai thiab ruaj ntseg. Qhov no tsis yog qhov kev ua haujlwm tsis zoo - nws yog ib qho kev ua raws cai hauv tsev, thiab kev ua tsis ncaj ncees tuaj yeem ua pov hwm tsis raug lossis tsis raug tshuaj xyuas.
- OFNP (Plenum):Yuav tsum tau rau cov kab hluav taws xob xa mus los ntawm plenum airspaces - qhov chaw saum toj saud qab nthab lossis hauv qab cov plag tsev uas tau siv rau huab cua ncig. Plenum- cov kab hluav taws xob siv hluav taws xob siv hluav taws xob- cov khoom siv hluav taws xob uas tsim cov pa taws tsawg thiab cov pa phem.
- OFNR (Riser):Yuav tsum tau rau ntsug cable khiav ntawm pem teb. Riser- ntsuas cov kab hluav taws xob tiv thaiv cov nplaim hluav taws xob raws lawv qhov ntev tab sis tsis raug ntsuas rau qhov chaw plenum.
- LSZH (Low Smoke Zero Halogen):Feem ntau hauv European thiab thoob ntiaj teb kev teeb tsa, nrog rau cov chaw nyob ib puag ncig zoo li lub qhov thiab cov nkoj, qhov twg halogen - cov ntaub ntawv pub dawb yuav tsum txwv kom tsis txhob muaj cov pa phem hauv hluav taws.
Ib lub cable uas yog optically raug thiab muaj txoj cai polarity tseem tuaj yeem tsis lees paub los ntawm tus neeg soj ntsuam yog tias lub tsho ntsuas tsis sib haum rau qhov chaw teeb tsa. Nco ntsoov lees paub cov cai hauv zos ua ntej ua tiav daim ntawv xaj cable.
Yuav Ua Li Cas Xaiv Txoj Cai MTP / MPO Cable rau 40G, 100G, 400G, lossis 800G
Tsis txhob sim sau txhua qhov tshwj xeeb, siv tsib - kauj ruam kev txiav txim siab no. Hauv kev ua haujlwm ntawm kev yuav khoom tiag tiag, cov kab ke no tiv thaiv kev xaiv ntau yam yuam kev.
Kauj Ruam 1: Txheeb xyuas koj qhov Transceiver thiab Txuas Ceev
Pib nrog cov khoom kho vajtse koj lub network tsim tau teev tseg lawm. Tus qauv transceiver dictates fiber ntau suav, wavelength, connector hom, thiab siab tshaj plaws. Piv txwv li, 400GBASE-SR8 QSFP-DD transceiver yuav tsum muaj 16 fibers hla multimode fiber ntau nrog MPO-16 APC interface thiab txhawb nqa txog 100 m ntawm OM4. A 400GBASE-DR4 QSFP-DD yuav tsum muaj 8 ib hom fibers uas ncav cuag 500 m. Cov no yog cov kev cai sib txawv ntawm cov cable uas tau tsav los ntawm tib "400G" daim ntawv lo, uas yog vim li cas pib nrog cov qauv transceiver tshwj xeeb tseem ceeb tshaj qhov pib ntawm tus lej ceev ib leeg.
Kauj Ruam 2: Sib piv cov Fiber suav rau koj lub hauv paus Architecture
Thaum lub transceiver paub, qhov xav tau fiber ntau suav raws ncaj qha. Lub rooj nyob rau hauv seem suav fiber ntau saum toj no qhia cov qauv Ethernet rau lawv cov qauv hauv paus. Tsis txhob ua rau lub siab tshaj plaws muaj fiber ntau suav. A 24- lub cev fiber ntau tsis yog "zoo dua" dua li 8-fiber lub cev - nws yog qhov kev xaiv sib txawv uas ua rau muaj kev nkag siab tsuas yog tias koj txoj kev npaj patching, breakout modules, thiab transceiver mix yog tsim nyob ib ncig ntawm nws.
Kauj Ruam 3: Txheeb xyuas qhov polarity thiab Connector poj niam txiv neej
Nov yog cov kauj ruam uas qhov kev txiav txim yuam kev feem ntau tshwm sim, tshwj xeeb tshaj yog nyob rau thawj - sij hawm MTP/MPO xa tawm. Paub txog peb yam ua ntej muab qhov kev txiav txim: txoj kev polarity (Hom A, B, C, lossis Universal), qhov sib txuas ntawm poj niam txiv neej ntawm txhua qhov kawg (txiv neej / pinned lossis poj niam / unpinned), thiab cov kev taw qhia tseem ceeb uas xav tau los ntawm koj lub thaj panels lossis cassettes. Tus txheej txheem txoj cai yog hais tias ib tug mating connector yuav tsum tau pinned (txiv neej) thiab lwm unpinned (poj niam). Txij li feem ntau cov khoom siv chaw nres nkoj tau pinned, thaj qaum txuas mus rau cov khoom siv chaw nres nkoj yuav tsum tau muab tshem tawm ntawm cov khoom siv - tig mus rau qhov kawg.
Kauj Ruam 4: Xaiv hom Fiber Raws li nyob deb thiab Optics
Rau kev sib txuas hauv qab 100 m siv multimode transceivers, OM4 yog qhov feem ntau thiab muaj kev nyab xeeb tshaj plaws hauv kev xa tawm cov ntaub ntawv tam sim no. Rau kev sib txuas dhau 100 m, lossis thaum siv ib zaug -mode transceivers (DR4, FR8, LR8), qhia OS2. Kuj tseem xav txog koj lub koom haum lub sijhawm ntev - lub tswv yim kev tsim kho vaj tse: qee tus neeg ua haujlwm nruab ib qho - hom thoob plaws txawm tias luv luv txuas, lees txais tus nqi transceiver ntau dua hauv kev pauv rau cov nroj tsuag fiber ntau uas tsis tas yuav hloov pauv raws li qhov nrawm nce.
Kauj ruam 5: Paub meej tias Jacket Rating rau lub cev ib puag ncig
Ua ntej ua tiav qhov kev txiav txim, xyuas seb txoj kev cable puas xav tau plenum, riser, lossis LSZH ntsuas. Qhov no yog ib qho yooj yim rau kev saib xyuas thaum lub sij hawm tsim qauv thaum ntxov thaum lub hom phiaj yog nyob rau hauv optics thiab architecture, tab sis nws dhau los ua ib qho teeb meem thaiv ntawm lub sij hawm installation yog tias lub cable tsis ua raws li cov cai hauv tsev.
Common MTP/MPO Deployment Scenarios
Txhawm rau piav qhia seb cov kev xaiv no tuaj ua ke li cas, ntawm no yog peb qhov kev xa tawm cov qauv uas nquag pom hauv qhov chaw tsim khoom.
Direct Hloov-rau- Hloov Txuas (Nplooj-Spine Fabric)
Nyob rau hauv ib nplooj ntawv - qaum cov ntaub ntawv chaw ntaub, txhua nplooj hloov mus txuas rau txhua tus txha nraub qaum. Yog tias ob qho kev hloov pauv siv 100GBASE-SR4 transceivers, qhov txuas yuav tsum muaj ib leeg 8-fiber OM4 MTP/MPO jumper nrog Hom B polarity - ib kawg txiv neej, lwm tus poj niam. Qhov no yog qhov yooj yim tshaj plaws MTP / MPO xa tawm: ib lub cable, tsis muaj panels, tsis muaj breakouts. Nws ua haujlwm zoo rau cov me me - mus rau - nruab nrab - cov ntaub loj qhov twg cov rack layout ua rau qaum - rau-nplooj nrug luv luv.
Structured Cabling nrog Patch Panels
Nyob rau hauv ib puag ncig loj, kev sib txuas yog tsim los ntawm cov panels rau scalability thiab tswj tau. Ib txoj hauv kev zoo li no: cov khoom siv txuas ntawm MTP / MPO jumpers mus rau lub vaj huam sib luag hauv zos; ib lub cev cable khiav ntawm lub vaj huam sib luag mus rau lub vaj huam sib luag tej thaj chaw deb hauv lwm lub txee lossis kab; lub vaj huam sib luag tej thaj chaw deb txuas mus rau cov khoom siv ntawm lwm lub jumper lossis los ntawm cov hlua khi hlua uas kiv cua tawm mus rau LC duplex ports. Cov qauv no ntxiv cov kev sib txuas ntawm cov khoom sib txuas, yog li kev tso nyiaj poob qis dua qhov tseem ceeb dua - lwm qhov laj thawj los qhia MTP- qib txuas rau lub cev txheej.
400G-rau-4 × 100G Breakout
400GBASE-SR8 transceiver (16 fibers) tuaj yeem tawg mus rau plaub 100GBASE-SR4 txuas (8 fibers txhua) siv 2 × MPO-8 txog 1 × MPO-16 breakout cable. Cov qauv no muaj nyob rau hauv ib puag ncig uas 400G qaum chaw nres nkoj pub ntau 100G nplooj hloov. Lub breakout cable tswj cov fiber ntau redistribution, thiab txhua downstream 100G txuas tau nws tus kheej 8-fiber txoj kev. Tau txais qhov polarity thiab tus pin daim ntawv qhia qhov tseeb ntawm qhov tawg cable yog qhov tseem ceeb - nco ntsoov xyuas nrog tus neeg muag khoom transceiver daim ntawv thov lossisbreakout cable khoom specificationsua ntej xaj.
Feem ntau MTP/MPO yuam kev thiab yuav ua li cas zam lawv
Txawm tias muaj kev paub txog cov pab pawg cable ntsib cov teeb meem no. Paub lawv ua ntej txuag lub sijhawm thiab nyiaj txiag.
Mismatching Txiv neej thiab poj niam Connectors
Ib qho kev sib txuas MTP / MPO yuav tsum muaj ib tus pinned (txiv neej) thiab ib qho tsis tau pinned (poj niam) connector. Yog tias ob qho tag nrho yog tib tug poj niam txiv neej, cov fibers yuav tsis sib haum thiab qhov txuas yuav pom qhov poob siab lossis tsis muaj teeb liab. Ib txwm txheeb xyuas poj niam txiv neej ntawm txhua qhov kawg ua ntej xaj, tshwj xeeb tshaj yog thaum sib sau ua ke sib xyaw los ntawm ntau tus neeg muag khoom.
Xaiv qhov tsis ncaj ncees lawm polarity rau qhov system
Polarity yuam kev yog ib qho ntawm cov laj thawj saum toj kawg nkaus ntawm MTP / MPO installation qeeb. Hom A lub cev tsis ua haujlwm hauv Hom B yam tsis tau hloov pauv cov hlua khi ntawm ob qho kawg. Thaum txuas ntxiv ib qho system uas twb muaj lawm, txheeb xyuas cov txheej txheem polarity twb tau siv thiab ua kom haum raws nraim. Thaum tsim kho tshiab, ua qauv ntawm ib txoj kev polarity thoob plaws tag nrho kev teeb tsa.
Xaiv hom Fiber yam tsis tau kuaj xyuas Transceiver Compatibility
Tsis txhob xaiv OM3, OM4, OM5, lossis OS2 raws li tus cwj pwm lossis tus nqi ntau. Cov ntaub ntawv transceiver qhia tias hom fiber ntau twg tau txais kev txhawb nqa thiab nyob deb li cas. Piv txwv li, 400GBASE-SR8 txhawb 70 m ntawm OM3 tab sis 100 m ntawm OM4 - 30% ncav cuag qhov sib txawv uas tuaj yeem muaj teeb meem hauv cov ntaub ntawv loj.
Ignoring Base Architecture Alignment
Txhim kho Base-12 lub cev rau lub hauv paus-8 qhov chaw xa xov hluav taws xob ib puag ncig pov tseg ib qho -feem peb ntawm koj cov fiber ntau thiab ua rau muaj teeb meem tawg. Hloov pauv, txhim kho tsuas yog Base-8 hauv ib puag ncig uas tseem siv cov cuab yeej cuab tam 10G-SR (uas siv 2 fibers los ntawm 12-fiber MPO) ua rau muaj teeb meem sib txawv. Npaj lub hauv paus architecture nyob ib ncig ntawm koj thawj thiab ze-tom ntej transceiver mix, tsis nyob ib ncig ntawm qhov pheej yig tshaj ib 'meter'.
Overlooking Jacket Rating Requirements
Ib lub cable nrog txoj cai optics, polarity, thiab fiber ntau suav nrog tseem tuaj yeem tsis kuaj xyuas yog tias nws muaj qhov ntsuas lub tsho tsis raug. Paub meej tias plenum, riser, los yog LSZH yuav tsum tau thaum lub sij hawm tsim theem - tsis yog tom qab lub cable tau rub los ntawm lub tais.
Cov lus nug nquag nug txog MTP / MPO Cables
Puas yog MTP thiab MPO connectors tib yam?
Tsis raws nraim. MPO yog cov generic multi-fiber connector hom qauv raws li IEC 61754-7. MTP yog tus hwm version ntawm MPO connector tsim los ntawm US Conec, nrog rau cov neeg kho tshuab nruj dua, lub ferrule ntab, thiab tshem tau vaj tse. Txhua MTP connectors yog MPO-tshaj, tab sis tsis yog txhua MPO connectors raws li MTP kev ua tau zoo specifications.
Hom polarity twg feem ntau yog siv rau kev sib txuas optics?
Hom B yog txoj kev siv polarity ntau tshaj plaws rau kev sib txuas -optic structured cabling vim nws thim rov qab txhua txoj haujlwm fiber ntau hauv lub cev, tso cai rau cov hlua sib xws ntawm ob qho kawg. Cov txheej txheem tshiab Universal (U1 / U2) tau qhia hauv ANSI / TIA-568.3-E (2022) kuj tseem tsim rau hom B lub cev cables thiab ua kom yooj yim rau kev xaiv cov khoom siv.
Kuv puas yuav tsum xaiv Base-8 lossis Base-12 rau kev teeb tsa tshiab?
Nws nyob ntawm koj qhov sib xyaw transceiver. Yog tias koj daim ntawv thov tseem ceeb yog 40GBASE-SR4, 100GBASE-SR4, lossis 400GBASE{{8}SR4 - tag nrho cov uas siv 8 fibers - ces Base-8 zam fibers khib nyiab thiab ua kom yooj yim tawg. Yog tias koj xav tau rov qab sib raug zoo nrog cov qub txeeg qub teg 10G-SR (2 fibers los ntawm 12-fiber MPO) lossis koj ib puag ncig siv 100GBASE-SR10 (20 fibers), Base-12 tej zaum yuav siv tau ntau dua. Ntau qhov chaw tshiab greenfield cov ntaub ntawv yog tus qauv ntawm Base-8.
MTP / MPO cables puas tuaj yeem txhawb 400G thiab 800G Ethernet?
Yog lawm. Tus qauv IEEE 802.3cm txhais tau hais tias 400GBASE-SR8, uas siv 16 multimode fibers hla MPO-16 connector, thiab 400GBASE-SR4.2, uas siv 8 fibers nrog ob wavelengths. Tus qauv IEEE 802.3db ntxiv 400GBASE-SR4 siv 8 fibers ntawm 100G ib txoj kab. Rau ib zaug -mode 400G (DR4, FR8, LR8), 8-fiber lossis fiber ntau-pair MTP/MPO cov rooj sib txoos yog siv. 800G qauv raws li IEEE 802.3df txuas ntxiv tso siab rau MPO-based multi-fiber interfaces.
Kuv yuav txiav txim siab li cas ntawm OM4 thiab OS2?
Pib nrog hom kev ncua deb thiab transceiver. Rau luv luv -mus txog cov ntawv thov multimode txog li ntawm 100 m (qhov raug intra- tsim cov ntaub ntawv chaw ntau), OM4 ua ke nrog SR- hom transceivers yog tus qauv xaiv. Rau kev sib txuas siab tshaj 100 m, inter- kev sib txuas hauv tsev, lossis cov qauv tsim uas siv DR4/FR8/LR8 transceivers, OS2 tib- hom yuav tsum tau ua. Qee lub koom haum nruab OS2 thoob plaws rau qhov sib xws, lees txais cov nqi transceiver ntau dua hauv kev pauv rau cov nroj tsuag fiber ntau uas tsis muaj kev ncua deb lossis ceev qab nthab.
Kuv yuav tsum tau poob dab tsi los ntawm kev sib txuas MTP/MPO?
Rau MTP Cov neeg tseem ceeb multimode connectors, raug tso tsis tau yog kwv yees li 0.10 dB ib khub niam txiv, nrog rau qhov siab tshaj plaws ntawm 0.35 dB. Rau cov qauv - qib MPO connectors, qhov siab tshaj plaws tuaj yeem ncav cuag 0.60–0.75 dB. Tib hom - hom MTP Cov Neeg tseem ceeb txuas kuj tseem tsom rau qhov siab tshaj 0.35 dB. Cov nqi no yog ib qho kev sib txuas; tag nrho cov channel poob suav nrog tag nrho cov connector matings, splices, thiab fiber ntau attenuation hla qhov txuas txuas.
Dab tsi yog qhov txawv ntawm cov hlua khi hlua khi thiab cov hlua tawg?
Ib txoj hlua cable hloov los ntawm MTP/MPO ntawm ib kawg mus rau ntau lub duplex connectors (feem ntau LC) ntawm lwm tus - bridging multi-fiber infrastructure nrog duplex khoom. Ib qho kev sib txuas cable hloov los ntawm ib qho MTP / MPO txuas mus rau ntau qhov me me MTP / MPO connectors - rov faib cov fibers hauv ntau -fiber domain. Siv cov hlua khi thaum koj xav tau kiv cua tawm mus rau cov chaw nres nkoj duplex; siv lub breakout thaum koj xav tau faib ua me me MTP / MPO pawg.
Kuv puas xav tau kev txhawj xeeb txog kev sib txuas tu nrog MTP / MPO cables?
Yog lawm. Kev kis kab mob yog qhov ua rau muaj kev nkag siab siab hauv kev teeb tsa. Vim tias MTP/MPO ferrule nthuav tawm 8, 12, 16, lossis ntau dua fiber ntau kawg -ntsej muag nyob rau hauv ib qho kev sib tshuam, ib feem ntawm cov plua plav tuaj yeem cuam tshuam ntau lub fibers ib txhij. Ib txwm tshuaj xyuas thiab ntxuav ob lub connector thiab lub adapter ua ntej txhua mating, siv lub hom phiaj - ua MTP / MPO tu cov cuab yeej. Kev tshuaj xyuas qhov muag pom tau tsim los rau ntau- fiber ntau connectors yog qhov tseem ceeb - tsis txhob cia siab rau kev tu ib leeg yam tsis muaj kev pom zoo.
