MPO Connector Guide: Polarity, Hom & Xaiv

Ib qho MPO (Multi-fiber Push-On) connector yog fiber ntau optic connector uas nqa 8, 12, 16 lossis 24 fibers hauv ib lub MT ferrule. Nws yog tus txheej txheem interface rau siab -cov ntaub ntawv ceev ceev cabling, parallel optics, thiab 40G / 100G / 200G / 400G hloov khoom dua tshiab. Qhia qhov tseeb yog rau - kev txiav txim siab sib txawv -fiber ntau suav, polarity (Type A/B/C), poj niam txiv neej (pinned vs unpinned), fiber ntau hom (ib zaug-hom lossis multimode), polish (APC lossis UPC), thiab qib poob. Tau txais ib qho ntawm cov tsis ncaj ncees lawm ntawm kev yuav khoom ua rau cov kev sib txuas uas tus phooj ywg lub cev tab sis tsis tuaj.

Phau ntawv qhia no yog sau rau cov engineers network, cov txheej txheem -kab txuas thiab pab pawg neeg yuav khoom uas yuav tsum tau qhia MPO cov rooj sib txoos kom raug thawj zaug. Nws npog lub connector nws tus kheej, nws piv rau LC/SC/MTP li cas, polarity ua tau zoo npaum li cas ntawm ib tug 100G txuas, cov qauv ib tug raws li connector yuav tsum tau raws li, thiab lub teb ua yuam kev peb pab neeg cabling feem ntau pom nyob rau hauv cov ntaub ntawv -centre migrations.

MPO Connector yog dab tsi thiab nws ua haujlwm li cas?

Lus Txhais thiab Cheebtsam

MPO sawv rauMulti-fiber Push-On. Nws tau txhais raws li IEC 61754-7 tsev neeg ntawm cov qauv thiab tuav ib qho array ntawm fibers hauv ib qho MT ferrule. Qhov twg ib qho LC lossis SC connector xaus ib los yog ob lub fibers, 24- fiber MPO xaus nees nkaum plaub - nyob rau tib lub hnab ntawv lub cev li SC.

Mechanically, MPO yog tsim los ntawm tsib ntu:

• MT ferrule:ib tug precision rectangular ferrule, feem ntau sau thermoset resin, uas tuav cov fiber ntau array. Fiber- txoj hauj lwm kam rau ua yog sub-micrometer; qhov no yog qhov ua rau ntau -fiber alignment tau hauv ib thooj.
• Guide pins:ob lub stainless-steel pins ntawm tus txiv neej sab uas qhov rau hauv qhov sib txuam ntawm tus poj niam sab. Cov pins - tsis yog lub vaj tse - lav fiber ntau-rau-fiber alignment.
• Tsev thiab qhov tseem ceeb:lub cev sab nrauv tiv thaiv lub ferrule thiab nqa cov keying feature uas txhais cov fiber ntau -txoj hauj lwm tus lej thiab polarity orientation.
• Caij nplooj ntoos hlav sib dhos:siv axial load los ntawm lub ferrule kom muaj kev sib cuag ntawm lub cev thiab ruaj khov qhov poob nyob rau hauv kev co los yog thermal cycling.
• khau raj:tiv thaiv lub cable tawm, tswj lub vojvoog khoov thiab txo cov kev ntxhov siab tom qab ntawm lub connector.

Yuav ua li cas MPO Integrate nrog tus so ntawm Optical Path

MPO connector yuav luag tsis tau siv nyob rau hauv kev sib cais. Ib tug raug 100G channel zoo li no: transceiver → thaj qaum (MPO) → cassette → pob tw (MPO) → cassette → thaj qaum (MPO) → transceiver. Txhua tus khub txuas ntxiv qhov poob qis thiab txhua lub cassette tig cov haujlwm fiber ntau hauv ib qho qauv. Lub connector tsuas yog zoo raws li lub tswvyim polarity, daim ntawv qhia poj niam txiv neej, thiab nyiaj txiag poob ib ncig ntawm nws - uas yog vim li cas specifications tseem ceeb tshaj li connector xaiv ib leeg.

MPO vs MTP vs LC vs SC: Ib qho piv txwv

MPO vs MTP

MPO yog cov khoom sib txuas sib txuas uas tau teev tseg los ntawm cov qauv thoob ntiaj teb. MTP yog lub cim lag luam ntawm US Conec rau nws tus kheej tsim qauv ntawm MPO connector. Ib qho MTP yog qhov sib txuam nrog tus qauv MPO, tab sis nws ntxiv tus pin nruj dua - rau - tus pin tolerances, lub tsev tshem tau, lub hlau pin clamp, thiab ntev dua - lub neej caij nplooj ntoos hlav. Cov txiaj ntsig tau zoo yog tias MTP-rau-MTP mating muab qhov sib xyaw ua ke ntau dua li kev sib xyaw- tus neeg muag khoom MPO- rau-MPO. Rau kev sib piv engineering sib sib zog nqus, saib pebMTP vs MPO xaiv phau ntawv qhia.

MPO/MTP vs LC thiab SC

Txoj cai peb muab cov neeg siv cabling luv luv: duplex point -mus rau -point ntawm ob transceivers - sivLC connectors. Lub cev, sib npaug -optics interface, lossis txhua yam uas koj xav tawg tom qab - siv MPO/MTP. Rau tag nrho connector tsev neeg txheej txheem cej luam saib pebfiber optic connector hom qhia.

Yuav ua li cas xaiv txoj cai MPO Connector rau koj Network

Tib -Mode vs Multimode MPO

MPO muaj nyob rau hauv ob hom fiber ntau; qhov kev xaiv yog tsav los ntawm kev ncav cuag thiab cov khoom siv tus nqi, tsis yog los ntawm lub connector nws tus kheej.

Yog tias koj tseem txiav txim siab ntawm cov qib fiber ntau, peb cov kev tawg ntawmOM1-OM5 multimode nrug txwvthiabOS1 vs OS2 single-mode fibermuab qhov kev txhawb nqa ncav cuag rau txhua chav transceiver.

Fiber ntau: 8, 12, 16 lossis 24

Fiber suav yog thawj qhov sib txawv ntawm qhov kev yuav khoom thiab ib qho feem ntau tsis sib haum nrog tus qauv transceiver.

Ib qho yuam kev ntawm kev yuav khoom yog xaj 12-fiber trunks rau ib puag ncig tsiv mus rau 400G DR4 dhau 8-fiber. Cov pob tw yuav ua haujlwm, tab sis plaub fibers rau ib qho txuas zaum tsaus thiab koj them rau lub peev xwm uas koj tsis siv. Daim ntawv qhia cov fiber ntau rau covtom ntej notiam ntawm transceiver koj xav kom xa, tsis yog tam sim no.

Poj niam los txiv neej: Pinned (txiv neej) vs Unpinned (poj niam)

MPO yog ib qho ntawm ob peb fiber ntau txuas nrog poj niam txiv neej. Ib tug txiv neej MPO muaj ob daim ntawv qhia pins tawm ntawm lub ferrule; ib tug poj niam MPO muaj qhov sib tw pin qhov. Ib tug pinned thiab ib sab unpinned yuav tsum mate - tus pin-rau-pin los yog qhov-rau- qhov yuav tsis zoo.

Poj niam los txiv neej yuam kev yog ib qho laj thawj feem ntau ib qho tshiab MPO lub cev yuav tsum tau xa rov qab mus rau tus neeg muag khoom.

Polish: APC vs UPC

Polish hom teeb tsa qhov kawg- ntsej muag geometry, uas nyob rau hauv lem txiav txim siab rov qab poob thiab yuav ua li cas zam txim rau lub connector yog lub siab optical zog.

APC thiab UPCyuav tsum tsis txhob sib yuav. Lub 8℃angled lub ntsej muag crushes tiv thaiv lub ntsej muag tiaj tus thiab ua rau ob qho tib si tam sim ntawd poob thiab mus tas li ferrule puas. Yog tias koj qhov project siv APC ntawm lub pob tw thiab UPC ntawm cov khoom siv sab nraud, koj xav tau ib lub hybrid cassette - tsis yog adapter. Lub hauv paus physics muaj nyob rau hauv pebinsertion poob vs rov poobtus piav.

MPO Polarity Piav Qhia: Txoj Kev A, Txoj Kev B, thiab Txoj Kev C

Polarity yog ib qho ua rau feem ntau ntawm MPO txuas uas cov phooj ywg huv si tab sis yeej tsis tuaj. Lub rooj sib txuas, LED ntsais, lub ntsuas hluav taws xob qhia pom lub teeb, tab sis lub transceiver yeej tsis sib tham vim Tx ntawm ib qho kawg yog tsaws hauv Tx ntawm lwm qhov kawg. Kev kho yog ib txwm ua raws li txheej txheem, tsis txhob siv lub cev: xaiv txoj kev polarity, sau nws, thiab khaws txhua lub cable, cassette thiab thaj qaum hauv cov channel raws li nws.

Polarity yog txhais raws li TIA-568.3-D, uas piav txog peb txoj hauv kev.

Hauv cov haujlwm tiag tiag, Txoj Kev B tau dhau los ua lub neej ntawd rau kev sib piv tshiab -optics xa tawm vim nws tshem tawm qhov xav tau tshwj xeeb duplex jumpers thiab muab 1 huv si 1-rau-1 Tx/Rx mapping ntawm ob qho kawg. Txoj Kev A tseem muaj ntau qhov uas pab pawg network tau tsim los ntawm nws xyoo dhau los thiab xav yuav A-rau-B jumpers dua li cov pob tw.

Ob qhov kev ceeb toom kev yuav khoom uas txuag tau qhov chaw mus ntsib:

• Ob lub cables nrog tib fiber ntau suav thiab tib lub txuas yogtsis yogsib pauv tau. A 12-fiber Method A lub cev thiab 12-fiber Method B lub cev yog lub cev zoo ib yam los ntawm sab nraud.
• Khau raj lossis lub tsho xim tsis muaj kev ntseeg siab qhia polarity. Nug tus neeg muag khoom rau daim duab polarity thiab daim ntawv qhia txog lub Hoobkas ua ntej qhov kev txiav txim raug tso tawm.

• 

Cov qauv thiab ntawv pov thawj rau MPO Connectivity

Kev sib dhos MPO tsis yog tsuas yog ib qho uas "zoo li" - nws yuav tsum tau ua kom tau raws li qhov yuav tsum tau muaj qhov loj, kho qhov muag thiab kev ntseeg siab tau teev tseg hauv ntau cov qauv sib tshooj. Plaub tsim nyog paub los ntawm tus lej:

• IEC 61754-7: Cov.txhais cov kev cai ntawm lub cev thiab qhov ntev ntawm MPO connector tsev neeg. Qhov no yog tus qauv uas tso cai rau ob tus neeg xa khoom 'MPO cov khoom sib txuas ua ke txhua qhov. Luam tawm los ntawmInternational Electrotechnical Commission.
• TIA-568.3-D:North American cov qauv tsim-kab kab hluav taws xob uas txhais cov qauv polarity A, B thiab C thiab teeb tsa cov channel- qib kev ua haujlwm kho qhov muag rau fiber ntau cable.
• ISO/IEC 11801:tus qauv thoob ntiaj teb generic cabling, siv rau qhov project specification sab nraum North America.
• IEC 61300-3-35: Kev qhiatxhais cov kev soj ntsuam pom qhov hla/faj zones rau lub connector kawg ntsej muag. Qhov no yog tus qauv uas koj qhov kev soj ntsuam tau muab qhab nia tiv thaiv thaum nws flashes "PASS" lossis "FAIL".

Insertion-poob thiab rov qab los- cov qhab nia poob tau piav qhia hauv IEC 61753-1. Cov qib uas tshwm sim hauv cov ntaub ntawv niaj hnub no feem ntau-cov ntaub ntawv hauv nruab nrab yog Qib B (tsawg dua lossis sib npaug li 0.25 dB) thiab Qib C (tsawg dua lossis sib npaug li 0.50 dB) rau tib hom - hom; hauv qab no ~ 0.15 dB ib khub koj nyob hauv qis- poob / ultra- thaj chaw poob qis thiab cov txheej txheem sib txuas sib txuas hloov pauv. Rau cov ntaub ntawv pov thawj ywj pheej ntawm kev kuaj xyuas thiab kev lees paub, lubFiber Optic Associationtshaj tawm cov kev qhia pub dawb siv rau hauv cov ntawv pov thawj cabling thoob ntiaj teb.

MPO Connectors siv nyob qhov twg?

Data Center Trunk Cabling

Ua ntej- xausMPO / MTP lub cev cableskhiav ntawm lub ntsiab, nruab nrab thiab cov khoom faib khoom. Vim hais tias cov rooj sib txoos yog lub Hoobkas- txiav tawm thiab lub Hoobkas- sim, lub sijhawm teeb tsa ntawm kab ntawm cov txee feem ntau poob los ntawm hnub mus rau teev, thiab ib qho - channel qhov kev poob qis yog qhov sib npaug ntau dua li thaj tsam - sib npaug sib npaug.

100G, 200G, 400G thiab 800G Parallel Optics

Cov ntaub ntawv niaj hnub no-chaw kho qhov muag tau nce mus rau qhov sib npaug ntau dua li cov xov tooj . 100G SR4, 400G DR4 thiab 800G SR8 txhua tus xav tias ntau txoj kab fiber ntau tau nthuav tawm los ntawm MPO interface. CovIEEE 802.3 Ethernet qauvtxheeb xyuas txoj kab ncaj nraim rau txhua qib ceev. Muab cov khoom sib txuas rau tus qauv koj lub transceiver yog tsim tawm tsam - tsis yog "qhov peb tau siv zaum kawg."

MPO-rau-LC Breakout

Lub breakout cable hloov ib lub cev MPO rau hauv ntau lub LC duplex tails rau kev sib txuas rau LC-raws li transceivers lossis thaj panels. 12-fiber MPO tawg rau 6 LC duplex khub; ib 8-fiber tawg mus rau 4 khub. Rau daim ntawv thov thiab yuav ua li cas spec ib qho kom raug, saib pebMPO breakout cable qhiathiab peb qhov ntau ntawmMTP / MPO breakout cables.

Telecom thiab Enterprise Backbone

Sab nraum cov ntaub ntawv chaw, MPO yog siv nyob rau hauv lub hauv paus chaw ua hauj lwm, carrier tsev so, mobile backhaul aggregation, thiab loj lub tsev kawm ntawv backbones - nyob qhov twg fiber suav ib txoj kev yog qhov txwv.

MPO Procurement Checklist

Siv daim ntawv txheeb xyuas no ua ntej xa daim ntawv xaj yuav khoom. Txhua kab yuav tsum muaj lus teb paub tseeb; "peb yuav pom nws tawm ntawm qhov chaw" yog li cas cov pob tw tau xa rov qab.

1. Transceiver thiab port standard.Txheeb xyuas tus naj npawb ntawm transceiver thiab paub meej tias nws puas xav tau 8-fiber, 12-fiber lossis 16-fiber MPO interface.
2. Fiber suav.Ua raws li qhov yuav tsum tau ua ntawm transceiver, nrog rau ib tiam ntawm headroom yog tias koj tuaj yeem pom tseeb tus nqi.
3. Fiber hom.Tib - hom (OS2) kom ncav cuag tshaj ~ 100 m lossis yav tom ntej - pov thawj; multimode (OM4/OM5) luv luv -mus txog hauv - kab txuas.
4. Poj niam los txiv neej.Paub meej pinned/unpinned ntawm txhua qhov interface. Document tus poj niam txiv neej ntawm lub pob tw, cassette, jumper thiab transceiver.
5. Txoj kev polarity.Txoj Kev B rau kev sib txuas tshiab -optics tsim, tshwj tsis yog tus qauv uas twb muaj lawm hais kom Method A. Tsis txhob sib xyaw Method B trunks nrog Method A cassettes.
6. Polish.APC rau ib hom - hom, UPC rau multimode. Order hybrid cassettes yog tias koj yuav tsum txuas lawv.
7. Poob qib.Kev poob qis (tsawg dua lossis sib npaug li 0.35 dB) rau cov channel luv; poob qis (tsawg dua lossis sib npaug li 0.2 dB) lossis ultra- poob qis ( Tsawg dua lossis sib npaug li 0.1 dB) rau cov channel uas muaj ntau qhov txuas txuas.
8. Jacket thiab qhov ntsuas hluav taws kub.LSZH rau European data centers, OFNP/Plenum rau US air- tuav plenums, OFNR/Riser lwm yam. Kos rau hauv zos code.
9. Ntev thiab khoov vojvoog.Kev txiav txim ntsuas qhov ntev, tsis kwv yees; paub meej tias khoov-insensitive fiber yog tias cassette routing nruj.
10. Factory test report.Hais rau ib daim ntawv qhia rau -channel insertion- poob thiab polarity los ntawm lub Hoobkas sib dhos.

Poob peev nyiaj ua haujlwm piv txwv

Rau 100G SR4 txuas ntawm OM4, IEEE 802.3bm tso cai roughly1.9dB ibntawm channel insertion poob ntawm 100 m. Kev tsim kom muaj tseeb channel zoo li no:

• 2 × MPO lub cev connector khub ntawm lub cassettes: 2 × 0.35 dB=0.70 dB
• 2 × LC connector khub ntawm thaj qaum: 2 × 0.30 dB=0.60 dB
• 100 m ntawm OM4 fiber ntau ntawm 850 nm: 100 × 0.0035 dB / m=0.35 dB
• Tag nrho: 1.65 dB, nrog tsuas yog 0.25 dB ntawm cov npoo

Ntxiv ib lub cassette ntxiv lossis ib qho qauv ntxiv -MPO poob thiab koj muaj peev nyiaj ntau dua. Qhov no yog vim li cas qis - poob MPO Cheebtsam tsis yog kev lag luam upsell - ib zaug cov channel suav nrog peb lossis ntau dua cov khub txuas, qis- poob MPO feem ntau yuav tsum tsis txhob xaiv.

Feem ntau MPO Field yuam kev thiab yuav daws teeb meem li cas

• Poj niam los txiv neej tsis sib haum nyob rau sab cassette.Lub cev tuaj txog txiv neej / txiv neej thiab lub cassette kuj yog txiv neej. Cov tsos mob: cable tsis tuaj yeem ua phooj ywg txhua. Kho: rov qab thiab rov ua haujlwm dua - tsis muaj kev ua haujlwm hauv thaj teb.
• Txoj Kev A lub cev rau hauv Txoj Kev B channel.Cov tsos mob: txuas tsis tuaj; transceiver tau hloov peb zaug ua ntej ib tug neeg nyeem cov duab polarity. Kho: swap rau A-rau-B duplex jumpers lossis re-spec lub cev.
• APC thaj qaum rau hauv UPC cassette.Cov tsos mob: siab IL ntawm cov fibers cuam tshuam, ruaj khov ferrule puas pom nyob rau hauv 400 × scope. Kho: hloov ob qho tib si connectors; nruab hybrid cassette.
• Standard-tsis connectors nyob rau hauv ib tug plaub- connector channel.Cov tsos mob: txuas ua haujlwm ntawm kev khiav qis, poob qis hauv kev thauj khoom, sib cuam tshuam BER. Kho: hloov nrog qis- cov rooj sib txoos poob.
• Hla kev tshuaj ntsuam.Ib qho me me ntawm MT ferrule kis mus txog 12 fibers hauv ib qho mating. Cov tsos mob: poob siab ntawm ntau cov channel tom qab ib qho kev tshwm sim. Kho: ib txwm tshuaj xyuas nrog MPO-Scope tau tshaj tawm raws li IEC 61300-3-35.
• Yuav ntawm fiber ntau suav thiab ntev xwb.Fiber suav ntxiv ntev yog kwv yees li 30% ntawm cov spec. Polarity, poj niam txiv neej, polish thiab poob qib yog lwm yam 70%.

Kev tshuaj xyuas, ntxuav thiab txais kev kuaj

MPO connectors nqa 8 mus rau 24 txoj kev kho qhov muag los ntawm ib daim iav - puv resin. Ib qho tsis pom kev cuam tshuam cuam tshuam rau txhua qhov fiber ntau nws kov. Qhov kev lees paub ua haujlwm yog:

1. Tshawb xyuas ua ntej, tom qab ntawd ntxuav, tom qab ntawd rov- tshuaj xyuas.Tsis txhob ntxuav lub connector koj tsis tau saib; ib qho nyuaj particle dragged hla lub ntsej muag kawg yuav khawb txhua fiber ntau nws hla.
2. Siv MPO- cov cuab yeej tu tshwj xeeb.Ib qho - fiber ntau LC nqus tsev yuav tsis ncav cuag cov fibers sab nraud ntawm MT ferrule.
3. Ntsuas qhov poob thiab polarity kawg - mus rau - kawg.Ib qho kev xeem MPO poob, lossis MPO- muaj peev xwm OTDR rau kev khiav ntev dua, yuav ntes ob qho tib si polarity yuam kev thiab cov kab sib kis hauv ib kis.
4. Khaws cov kaus mom plua plav ntawm txhua qhov txuas tsis siv.Txee airflow nqa cov khoom seem txaus kom kis tau cov ferrules raug nyob hauv ib teev.

Thaum Koj Yuav Tsum Tsis Siv MPO

MPO tsis yog cov lus teb zoo rau txhua qhov txuas. Zam nws thaum:

• Qhov txuas yog ib qho taw qhia duplex - rau - taw tes ntawm ob lub transceivers thiab yuav tsis raug tawg tawm.
• Lub tsev kawm ntawv tsis muaj MPO tshuaj xyuas thiab tu lub peev xwm, thiab tsis muaj kev npaj ntxiv.
• Cov peev nyiaj tsis tuaj yeem ua raws li qhov siab dua ntawm - tus nqi txuas rau qhov txuas uas tsis muaj teeb meem ceev.

Rau cov rooj plaub no, LC duplex sib dhos yog pheej yig dua, yooj yim rau kev teb - txiav, thiab yooj yim rau kev sim nrog cov cuab yeej txheem.

Cov peev txheej siv

• IEEE 802.3 Ethernet Ua Haujlwm Pab Pawg- txhais cov phiaj xwm txoj kab thiab cov peev nyiaj poob rau 40G, 100G, 400G thiab 800G Ethernet.standard.ieee.org
• IEC 61754-7 / 61300-3-35- lub cev tshwj xeeb ntawm MPO interface thiab xaus -feeb tshuaj xyuas cov qauv.International Electrotechnical Commission
• Lub koom haum Fiber Optic- lub cev muaj ntawv pov thawj ywj pheej thiab cov ntaub ntawv siv rau kev tshuaj xyuas fiber ntau, ntxuav thiab ntsuas kev xyaum.thefoa.org

Cov kauj ruam tom ntej

Yog tias koj tab tom teev MPO rau 100G, 400G lossis 800G hloov kho, xa peb koj cov xov tooj transceiver, kab kos duab thiab qhov yuav tsum tau ncav cuag. Peb pab neeg ua haujlwm engineering yuav rov qab ib feem ntawm cov npe suav nrog fiber ntau, polarity, poj niam txiv neej, polish thiab poob qib tau lees paub. Koj tuaj yeem tshawb xyuas peb qhov ua tiavMPO / MTP fiber ntau optic cablentau los yogtiv tauj pebnrog rau qhov project specification.