Koj paub dab tsi funny? Kuv tau ua haujlwm nrog fiber ntau optics tau ntau xyoo, thiab kuv tseem nco ntsoov thawj zaug uas ib tug neeg muab rau kuvMPO adapterthiab tsuas yog hais tias "xav nws tawm." Tsis muaj phau ntawv qhia, tsis muaj daim duab, tsuas yog daim duab plaub me me ntawm cov yas uas qee yam tswj kom ua raws li 12 lossis 24 lub iav me me nrog qhov nruab nrab xoom chav rau qhov yuam kev.
Qhov tshaj plaws yog, MPO adapters saib yooj yim deceptively. Lawv tsuas yog cov tsev txuas me me no xwb, puas yog? Tab sis qhov tseeb muaj ntau yam tshwm sim hauv uas tib neeg feem coob tsis xav txog.

Lub tswv yim yooj yim (uas tsis yog qhov yooj yim)
Yog li ntawm no yog qhov kev pom zoo nrog MPO adapters - lawv yog qhov tseem ceeb ntawm cov tes tsho zoo sib xws. Tab sis hu rau lawv uas xav tias zoo li hu xov tooj rau Swiss saib "ib lub cuab yeej uas qhia lub sijhawm." Lub luag haujlwm tseem ceeb yog coj obMPO connectorsthiab kab lawv kom zoo kawg nkaus uas lub teeb tuaj yeem hla nrog tsawg kawg nkaus. Peb tab tom tham txog kev ua siab ntev uas yuav ua rau tus kws kho tshuab quaj.
Nyob rau hauv lub adapter, muaj no ceramic los yog phosphor bronze lub tes tsho (tej zaum ob qho tib si, nyob ntawm tus tsim thiab ncaj ncees, cov neeg tsim khoom lub tswv yim ntawm lub neej). Lub tes tsho muaj cov lus qhia pin qhov uas lees txais cov lus qhia pins los ntawm MPO connectors. Thiab qhov no yog qhov uas nws tau nthuav dav - tsuas yog ib qho ntawm ob qhov txuas koj sib txuas yuav tsum muaj tus pins. Yog tias ob leeg muaj pins, zoo, koj yuav muaj lub sijhawm tsis zoo. Yog tsis muaj pins... kuj phem. Nws zoo li lub puzzle uas cov khoom tsuas yog haum rau ib txoj kev tshwj xeeb.
Cov lus qhia pins feem ntau yog 0.7mm inch. Qhov ntawd yuav tsis suab me me kom txog thaum koj paub tias lawv yuav tsum tau coj 12 cais fiber ntau cores uas tsuas yog 9 microns dav rau singlemode (125 microns suav nrog cladding, tab sis tseem). Cov lej muaj qhov tsis txaus ntseeg thaum koj xav txog nws.
Vim li cas Xim Xim Qhov Tseeb Tseem Ceeb
Tib neeg ib txwm nug txog cov xim. "Vim li cas qhov no xiav? Vim li cas ib qho ntsuab?" Thiab saib, kuv tau xav tias nws tsuas yog rau kev zoo nkauj lossis tej zaum qee tus qauv kev lag luam arbitrary uas qee tus tau txiav txim siab rau hnub Tuesday yav tav su. Tab sis muaj ib qho laj thawj.
Lub aqua / teal adapters? Cov no yog rau OM3 lossis OM4 multimode. Cov xiav yog rau singlemode OS2. Ntsuab yog rau APC (lub kaum sab xis tiv tauj lub cev) txuas. Qhov tshaj plaws yog, koj tuaj yeem siv qhov "tsis raug" xim adapter thiab nws tseem yuav ua haujlwm, tab sis koj yuav tsum tsis txhob. Nws tsis yog tsuas yog hais txog xim - lub geometry sab hauv yog qhov sib txawv rau APC piv rau UPC (ultra lub cev tiv tauj) kev sib txuas.
APC connectors muaj 8-degree lub kaum sab xis ntawm lub ferrule kawg lub ntsej muag. Lub kaum sab xis no yuav tsum tau ua phooj ywg nrog lwm lub kaum sab xis, pom tseeb, thiab lub adapter yuav tsum ua raws li qhov no. Yog tias koj sim ua phooj ywg APC nrog UPC ... Kuv txhais tau tias, koj tuaj yeem ua tau, tab sis qhov rov qab poob yuav txaus ntshai. Koj tsuas yog tsim lub ntsiab lus zoo me ntsis rau koj lub teeb ci ntsa iab kom rov qab mus rau hauv.

Lub Ferrule Alignment Game
Ntawm no yog qhov uas tej yam tau weirdly meej. MPO ferrule (uas yog ib feem uas yeej tuav cov fibers) muaj qhov dav ntawm li 6.4 hli thiab qhov siab ntawm 2.5 hli. Tsis loj. Hauv qhov chaw ntawd, koj tau txais 12 fibers nyob rau hauv ib kab, txhua qhov sib nrug ntawm 250 microns.
Lub adapter txoj hauj lwm yog kom paub tseeb tias thaum ob ferrules tuaj ua ke, cov fibers cores nyob rau hauv ib tug micron los yog ob. Yuav ua li cas? Cov lus qhia pins qhov rau hauv cov qhov kuv tau hais ua ntej, thiab lub tes tsho siv tsuas yog txaus radial siab kom txhua yam nyob hauv nruab nrab. Siab ntau dhau thiab koj yuav ua rau lub ferrule puas. Tsawg dhau thiab koj tau txais lateral offset, uas txhais tau hais tias ntau dua qhov poob.
Kuj tseem muaj lub caij nplooj ntoo hlav no hauv MPO feem ntau txuas (tsis yog lub adapter nws tus kheej, tab sis ua haujlwm nrog kuv ntawm no) uas thawb lub ferrule rau pem hauv ntej. Thaum koj ntxig lub connector rau hauv lub adapter, lub caij nplooj ntoos hlav compresses me ntsis, kom ntseeg tau tias lub ferrule kawg lub ntsej muag raug nias ua ke. Lub adapter tsuas yog muab cov channel thiab kev sib raug zoo - nws yog passive ntau dua li koj xav, xav txog qhov tseem ceeb npaum li cas.
Key vs. Keyless (Qhov no tsis meej pem rau kuv lub hli)
Okay, yog li MPO connectors tuaj hauv keyed thiab keyless versions. Tus yuam sij yog me ntsis duab plaub ntawm ib sab ntawm lub connector. Lub adapter yuav tsum phim - yog tias koj tau txais keyed connectors, koj xav tau ib tug keyed adapter nrog rau qhov sib txuas.
Vim li cas qhov no tseem ceeb? Polarity. Tus yuam sij txiav txim siab txoj hauv kev uas lub connector tuaj yeem tso tau, uas txiav txim siab seb cov fiber ntau thaj av nyob qhov twg ntawm sab nraud. Tau qhov tsis ncaj ncees lawm thiab fiber 1 yuav txuas rau fiber 12 ntawm qhov kawg. Koj lub teeb liab mus tsis pom qhov twg muaj txiaj ntsig, thiab koj siv sijhawm ib teev daws teeb meem ua ntej koj paub tias koj sib xyaw cov keyed thiab keyless connectors.
Kuv tau ua qhov no. Ntau zaus. Nws txaj muag txhua lub sijhawm.
Lub keyless adapters yog symmetrical, yog li koj tuaj yeem ntxig lub connector rau ob txoj kev. Qhov no ua rau koj yooj yim rau txoj kev sib txawv polarity, tab sis nws kuj txhais tau tias koj yuav tsum paub tseeb tias txoj kev polarity koj siv. Txoj Kev A? Txoj Kev B? Txoj Kev C? Txhua tus muaj qhov sib txawv fiber ntau daim ntawv qhia, thiab lub adapter tsis tu siab - nws yuav zoo siab txuas yam tsis ncaj ncees lawm yog tias koj tso nws.

Hom thiab Hneev taw
MPO adapters tuaj nyob rau hauv lub cev sib txawv. Qhov ntau tshaj plaws yog tus qauv MPO hneev taw - nws yog duab plaub, txog qhov loj ntawm koj tus ntiv tes xoo, nrog mounting flanges. Tom qab ntawd muaj SC hneev taw version, uas yog tsim kom haum rau hauv qhov chaw uas SC txuas ib txwm mus. Qhov no yog qhov ntse vim nws txhais tau tias koj tuaj yeem hloov kho los ntawm duplex SC kev sib txuas mus rau 12-fiber MPO yam tsis tau kho dua koj lub vaj huam sib luag tag nrho.
Kuj tseem muaj qhov lawv hu ua "Hom A" thiab "Type B" adapters rau qee qhov kev siv, txawm hais tias ncaj ncees, lub npe tau tsis meej pem vim tias cov tuam txhab sib txawv siv cov lus sib txawv. Hom A feem ntau txhais tau hais tias ib qho flange siab dua lwm qhov (nws yog hu ua "offset flanges"), uas yuav pab nrog qhov ntom ntom hauv cov vaj huam sib luag. Hom B muaj cov flanges ntawm tib qhov siab.
Qee cov adapters yog bulkhead mount, qee qhov yog vaj huam sib luag mount, qee qhov snap rau hauv keystone thav ntawv. Cov tshuab hloov pauv me ntsis rau txhua tus, tab sis cov haujlwm tseem ceeb ntawm kev sib raug zoo nyob twj ywm tib yam.
Lub cev tiv toj qhov xwm txheej
Qhov no yog qhov tseem ceeb - lub adapter tsis tsim kev sib cuag ntawm lub cev ntawm fibers. Nws tsuas yog enables nws. Qhov kev sib txuas tiag tiag tshwm sim ntawm qhov kawg ntawm ferrule, qhov twg cov cores sib ntsib. Hauv kev sib txuas UPC, ob lub ntsej muag kawg yog polished rau me ntsis dome (luv luv ntawm curvature nyob ib ncig ntawm 10-25mm feem ntau). Thaum nias ua ke, cov duab dome no ua kom cov cores fiber ntau kov ntawm qhov chaw thaum lub npoo sab nrauv ntawm lub ferrule yuav muaj qhov sib txawv me me.
Lub adapter lub luag hauj lwm yog kom paub tseeb tias cov domes line up concentrically. Ib qho kev tsis ncaj ncees ntawm lub kaum sab xis (txawm tias ib nrab ntawm qhov degree) thiab koj tau txais kev nkag mus ntxiv. Lub tes tsho nruj dua, qhov kev sib tw zoo dua, tab sis nws muaj qhov txwv tsis pub siv vim tias koj yuav tsum tuaj yeem ntxig thiab tshem tawm cov khoom sib txuas yam tsis muaj cov cuab yeej tshwj xeeb.
Insertion poob thiab dab tsi ua rau nws
Cov tib neeg ib txwm xav paub txog kev poob qis, thiab lawv xav tias yuav muaj tus lej yooj yim. "Poob pes tsawg lub adapter ntxiv?" Tab sis nws tsis yog qhov ncaj.
Nyob rau hauv lub ntiaj teb zoo tagnrho, lub adapter nws tus kheej ntxiv xoom poob. Nws tsuas yog lub tes tsho, txoj cai? Qhov poob los ntawm misalignment - lateral offset, angular offset, los yog qhov sib txawv ntawm lub ntsej muag fiber. Ib tug zoo MPO adapter nrog zoo polished connectors yuav tsum muab rau koj tsawg tshaj li 0.35 dB insertion poob ib khub mating. Feem ntau koj yuav pom cov lej xws li 0.15-0.25 dB.
Tab sis ntawm no yog qhov khoom - tus lej suav nrog cov khoom sib txuas, polish zoo, fiber ntau huv, thiab yog, lub adapter qhov kev sib dhos precision. Koj tsis tuaj yeem cais lawv tiag tiag. Ib tug zoo meej adapter nrog ib tug phem polished connector tseem yuav ua rau koj poob siab. Ib tug zoo meej connector nrog ib tug pheej yig adapter uas muaj xoob tolerances? Kuj siab poob.
Cov lus qhia tus pin haum yog tej zaum qhov tseem ceeb tshaj plaws ntawm lub adapter tswj. Yog hais tias tus pin qhov yog hnav tawm los yog tsim tawm ntawm spec, koj tau txais lateral offset. Txawm tias 0.5 microns ntawm offset tuaj yeem ntxiv 0.1 dB ntawm kev poob hauv kev siv singlemode.

Ntxuav (uas txhua leej txhua tus tsis nco qab)
Tsis muaj leej twg hais txog qhov no txaus, tab sis lub tes tsho adapter tau qias neeg. Plua plav nkag rau hauv qhov ntawd, roj los ntawm cov ntiv tes yog tias koj kov qhov tsis ncaj ncees lawm, qee zaum cov khib nyiab los ntawm cov khoom sib txuas uas tsis zoo polished. Cov khoom no khaws cia hauv lub tes tsho ceramic thiab ua rau muaj teeb meem.
Koj yuav tsum tau ntxuav lub adapter ntawm kev siv, tshwj xeeb tshaj yog tias koj tab tom ua ntau qhov txuas / txiav tawm mus. Muaj cov swabs me me no tshwj xeeb tsim los rau MPO adapter tu - lawv zoo li Q- cov lus qhia tab sis nrog lub paddle - zoo li tus npauj npaim taub uas haum rau lub voj voog qhib.
Kuv yuav ua ncaj ncees, tej zaum kuv twb hla cov kauj ruam no ntau zaus tshaj qhov kuv yuav tsum muaj. Koj tau nrog nws mus txog thaum koj tsis ua, thiab tom qab ntawd koj tab tom teeb meem kev poob siab uas zoo li ploj mus thaum koj thaum kawg ntxuav lub adapter kom zoo.
Cov lus nug Durability
Muaj pes tsawg zaus koj tuaj yeem ua phooj ywg thiab tsis sib koom MPO kev sib txuas? Tus spec feem ntau hais tias 500 cycles yam tsawg kawg nkaus. Lub tes tsho adapter yuav tsum ua qhov zoo yog tias nws yog qhov zoo. Lub connector ferrule kawg lub ntsej muag polish degrades sai dua lub adapter ua nyob rau hauv feem ntau.
Lub tes tsho phosphor bronze hnav thaum kawg - radial caij nplooj ntoos hlav quab yuam txo qis raws li cov hlau qaug zog. Ceramic lub tes tsho yog ntau ruaj tab sis kuj kim dua. Qee cov adapters siv cov qauv tsim hybrid nrog cov kab sib dhos sib dhos thiab cov bronze springs, sim ua kom tau qhov zoo tshaj plaws ntawm ob lub ntiaj teb.
Hauv kev xyaum, kuv tau pom cov adapters tseem ua haujlwm zoo tom qab ntau txhiab lub voj voog, thiab kuv tau pom cov pheej yig tsis poob tom qab ib puas. Koj tau txais yam koj them rau, uas suab zoo li cliché tab sis nws mob siab tiag tiag nrog precision fiber optics.
Tag nrho Polarity Yam Dua (Vim tias Nws Tseem Ceeb)
Kuv tau hais txog polarity ua ntej, tab sis nws tsim nyog dhia dej tob dua vim tias nws yog qhov ua yuam kev feem ntau tshwm sim. Lub adapter tsis tswj cov polarity - nws tsuas yog txuas txhua yam koj ntsaws. Koj yuav tsum nkag siab koj lub cev txoj kev polarity.
Txoj Kev A siv tus yuam sij - mus txog qhov tseem ceeb - nqes txuas. Fiber 1 ntawm ib kawg txuas rau fiber ntau 12 ntawm qhov kawg, fiber 2 txog 11, thiab lwm yam. Qhov no yuav tsum muaj tus qauv keyed adapter.
Txoj Kev B siv tus yuam sij - mus txog qhov tseem ceeb - nce kev sib txuas nrog lub flipped cable los yog tshwj xeeb "Type B" adapter uas tig cov haujlwm fiber ntau.
Txoj kev C siv tus yuam sij - mus txog qhov tseem ceeb - nrog cov khub flipped hauv lub connector nws tus kheej.
Lub adapter muaj feem xyuam rau tag nrho cov no, tab sis nws tsis ntse - nws tsis paub tias koj siv txoj kev twg. Nws yuav zoo siab cia koj sib tov txoj kev thiab tsim kev sib txuas uas lub cev ua haujlwm tab sis tsis muaj laj thawj. Qhov no yog vim li cas daim ntawv lo tseem ceeb. Qhov no yog vim li cas cov ntaub ntawv tseem ceeb. Qhov no yog vim li cas koj sim ua ntej koj muab ib yam dab tsi rau hauv ntau lawm.

Thaum Tej Yam Tsis Zoo
Qee zaum lub adapter yog qhov teeb meem, qee zaum nws tsis yog. Kev daws teeb meem: kev poob siab tuaj yeem txhais tau tias qias neeg adapter, hnav cov lus qhia tus pin qhov, hom tsis sib xws (APC hauv UPC adapter), lossis tsuas yog qhov sib txuas tsis zoo.
Yog tias koj tau txais kev nyeem ntawv tsis sib xws - zoo li qhov poob kev hloov pauv thaum koj tshem tawm thiab rov ntxiv cov khoom sib txuas - uas feem ntau yog teeb meem polish lossis paug, tsis yog lub adapter. Yog hais tias qhov poob yog tsis tu ncua siab nyob rau hauv ntau connectors, ces yog, kos lub adapter.
Ib hom kev ua tsis zoo uas kuv tau ntsib: tawg lub tes tsho ceramic. Qhov no tshwm sim yog hais tias ib tug neeg dhau -torques ib yam dab tsi thaum lub sij hawm installation los yog poob lub vaj huam sib luag. Ceramic fractures, kev sib raug zoo mus rau ntuj txiag teb tsaus, thiab dheev tsis muaj dab tsi ua haujlwm. Nws tsis tshwm sim, tab sis thaum nws tshwm sim, nws yog qhov mob los kuaj xyuas vim tias lub adapter zoo li zoo ntawm sab nraud.
Lub neej yav tom ntej? Tej zaum?
Muaj kev txhim kho ua haujlwm ntawm 16- fiber ntau thiab 24- fiber ntau MPO adapters, txawm tias 12-fiber tseem yog tus qauv. Qee cov tuam txhab ua haujlwm ntawm "kev tu tus kheej" adapter tsim nrog lub kaw lus kaw, tab sis kuv tseem tsis tau pom cov kev xa tawm dav dav.
Lub laub yog ib txwm mus rau qhov siab dua thiab qis dua. Txhua feem ntawm dB tseem ceeb thaum koj khiav mus deb lossis suav cov channel siab. Lub adapter yuav tsum tau txuas nrog kev txhim kho txuas ntxiv - zoo dua polish, nruj dua, cov ntaub ntawv tshiab.
Yog li ntawd yog qhov pib li cas MPO adapters ua haujlwm. Lawv yog cov tes tsho sib dhos nrog precision qhia pin qhov, tsim los ua khub ob MPO connectors nrog tsawg tsawg. Yooj yim tswv yim, dab ntxwg nyoog tua. Cov xim coding pab tiv thaiv kev ua yuam kev, tus yuam sij tswj hwm polarity (yog tias koj siv nws txoj cai), thiab tag nrho cov kab ke nyob ntawm qhov ntsuas ntsuas hauv microns.
Tsis phem rau qhov zoo li me ntsis yas thaiv, txoj cai?