Taw qhia
Cia peb tham txog dab tsi ua rau lub network fiber ntau txuas. Fiber optic connectors yog qhov tseem ceeb interface ntawm koj cov cable thiab koj cov khoom siv. Lawv txoj haujlwm yog qhov yooj yim tab sis tseem ceeb heev: ua kom cov iav tsom iav ntawm ib qho fiber ntau nrog rau lwm qhov kom lub teeb pom kev tuaj yeem dhau los ntawm qhov poob lossis kev xav.
Tau txais qhov tsis ncaj ncees lawm txhais tau tias cov ntaub ntawv qeeb, poob qis, thiab cov neeg siv ntxhov siab. Nkag siab txog cov ntsiab lus tseem ceeb-zoo li lub ferrule uas tuav cov fiber ntau, thiab cov ntsiab lus tseem ceeb xws li kev poob qis (cov cim tsis muaj zog ntawm qhov sib koom ua ke)- yog thawj kauj ruam los xaiv qhov zoo rau kev sib txuas ceev ceev, ruaj khov.
Vim li cas tus qauv tseem ceeb
Cov Connectors yuav tsum ua haujlwm ua ke txawm tias leej twg ua rau lawv. Nyob rau hauv North America, TIA/EIA-604 tus qauv (feem ntau hu ua FOCIS) txhais cov ntsiab lus ntawm lub cev rau ntau hom xws li LC thiab SC. Thoob ntiaj teb, IEC 61754 series ua tib txoj haujlwm. Cov ntaub ntawv no tswj txhua yam: qhov ntau thiab tsawg, qhov txuas txuas rau hauv qhov chaw nres nkoj li cas, thiab nws yuav tsum ua li cas. Piv txwv li, lawv tau teeb tsa cov kev txwv tsis pub dhau / ua tsis tiav. Ib hom kev sib txuas ib leeg yuav tsum muaj qhov poob qis dua 0.2 dB thiab, yog tias nws yog hom APC, qhov rov qab poob zoo dua 50 dB. Qhov kev tsim qauv no yog vim li cas koj feem ntau tuaj yeem txuas ib txoj hlua khi los ntawm ib hom mus rau hauv lub transceiver los ntawm lwm tus thiab xav kom nws ua haujlwm.
Lub plawv ntawm qhov txuas: Ferrule & Polish
Lub ferrule yog qhov tseeb -engineered chaw ntawm lub connector. Nws cov khoom siv thiab polish ntawm lub ntsej muag fiber ntau yog qhov txiav txim siab ua haujlwm.
Cov khoom siv Ferrule
Cov khoom siv feem ntau yog ceramic (zirconia). Nws yog ib qho nyuaj heev, ruaj khov, thiab muab qhov zoo tshaj plaws rau polishing. Rau ib puag ncig rugged heev -xav lub Hoobkas automation los yog kev siv tub rog teb - tej zaum koj yuav pom cov hlau ferrules xws li phosphor bronze, uas tuaj yeem ua phem rau lub cev ntau dua.
Ferrule Loj
Muaj ob qhov loj me me. Classic 2.5mm txoj kab uas hla yog siv nyob rau hauv SC, ST, thiab FC connectors. Qhov me me 1.25mm yog siv hauv LC thiab MU connectors, ua kom muaj qhov chaw nres nkoj ntau dua.
Hom Polish
Qhov no yog hais txog cov duab thiab qhov kawg ntawm cov fiber ntau. Nws tswj tau li cas lub teeb tawm thiab, qhov tseem ceeb, ntau npaum li cas rov qab.
PC (lub cev tiv tauj)
Lub taub hau fiber ntau muaj me ntsis kheej kheej nkhaus rau kev sib cuag yooj yim.
UPC (Ultra Physical Contact)
Kev ua kom zoo dua qub, txuas ntxiv polished uas tsim kom muaj qhov zoo dua qub dua li PC. Nws ua rau qis rov qab xav txog (feem ntau nyob ib puag ncig -50 dB) thiab yog tus qauv rau cov ntaub ntawv niaj hnub thiab kev sib txuas lus hauv xov tooj.
APC (Angled Physical Contact)
Ntawm no, lub ntsej muag kawg yog polished ntawm 8-degree lub kaum sab xis. Qhov kev tsim no qhia txog txhua lub teeb pom kev tawm ntawm cov tub ntxhais fiber ntau es tsis txhob rov qab los ntawm txoj kab. APC connectors muab qhov zoo tshaj plaws rov qab poob (tsawg dua los yog sib npaug rau -65dB).Koj yuav tsum siv APC connectors hauv txhua qhov system rhiab rau kev xav, xws li Fiber-rau--Home (FTTH) tes hauj lwm siv GPON lossis ib qho fiber ntau nqa RF video signals rau TV pabcuam. Kev sib xyaw polishes ntawm no yog ib qho kev ua yuam kev uas ua rau muaj kev cuam tshuam loj.
Connector Hom: Xaiv Cov Cuab Yeej Zoo
Txhua hom kev sib txuas tau tsim nrog qee yam kev siv hauv siab. Nov yog li cas lawv tawg hauv kev xyaum:
LC Connector
Nws yog dab tsi: me me -form-factor connector nrog 1.25mm ceramic ferrule. Nws siv lub laub uas paub txog- rub latch mechanism, zoo ib yam li RJ-45 Ethernet plug tab sis me dua.
Qhov twg siv nws: Qhov no yog huab tais ntawm siab - daim ntawv thov ceev. Kuv qhia lawv rau yuav luag txhua qhov tshiab cov ntaub ntawv chaw txee thiab network hloov vaj huam sib luag. Koj tuaj yeem haum 72 LC chaw nres nkoj hauv 1U vaj huam sib luag piv rau 36 SC chaw nres nkoj nkaus xwb-qhov chaw txuag loj heev. Lawv kuj yog qhov tseem ceeb ntawm kev sib txuas ntawm SFP niaj hnub, SFP +, thiab QSFP transceivers.
SC Connector
Nws yog dab tsi: Ib qho txuas nrog 2.5 hli ceramic ferrule thiab ib qho yooj yim, snap-hauv latch tsim (thawb rau ntxig, rub lub tab kom tso). Nws muaj zog thiab ncaj nraim.
Qhov twg siv nws:Nws yog tus neeg ua haujlwm hauv xov tooj cua. Koj yuav pom nws nyob txhua qhov chaw hauv cov chaw ua haujlwm hauv nruab nrab, hauv cov khoom siv fiber ntau hauv cov tsev ua haujlwm, thiab raws li tus qauv davhlau ya nyob twg txuas rau FTTH kev teeb tsa hauv tsev. Nws txoj kev yooj yim ua rau nws ntseeg tau rau ob tus kws tshaj lij thiab cov neeg siv kawg -.
ST Connector
Nws yog dab tsi: Ib qho txuas nrog 2.5mm ferrule uas siv lub bayonet -style xauv (thawb thiab twist). Nws muaj lub caij nplooj ntoos hlav -loaded ferrule los tuav lub cev sib cuag.
Qhov twg siv nws:Feem ntau hauv cov tuam txhab lag luam qub, lub koob yees duab kev ruaj ntseg, thiab tsim cov caj qaum uas siv ntau hom fiber ntau. Thaum rugged, nws twist- ntawm tus qauv tsim qeeb dua rau txuas / txiav tawm dua li LC lossis SC, thiab nws muaj qhov chaw nres nkoj qis dua. Kuv feem ntau ntsib nws thaum tswj cov txheej txheem qub txeeg qub teg.
FC Connector
Nws yog dab tsi: Ib qho txuas uas siv 2.5 hli ferrule (feem ntau siab - qib ceramic) thiab threaded ntsia hlau- ntawm cov txiv ntseej txuas. Qhov no muab kev nyab xeeb heev, kev co- tiv taus kev sib txuas.
Qhov twg siv nws:Nws qhov kev ruaj ntseg zoo tshaj plaws ua rau nws qhov kev xaiv zoo tshaj plaws rau cov khoom siv ntsuas thiab ntsuas. Kuv yuav tsis siv lwm yam los txuas kuv lub sijhawm kho qhov muag -domain reflectometer (OTDR) lossis lub teeb ci. Nws kuj pom muaj nyob rau hauv siab - ib puag ncig kev co thiab qee cov khoom siv hluav taws xob sib txuas lus qub.
MTP / MPO Connector
Nws yog dab tsi: Qhov no yog ntau-fiber connector. Ib lub yas ferrule tuav feem ntau 12 lossis 24 fibers hauv ib qho hneev taw. Qhia tus pins thiab qhov ntawm ob sab kom paub meej kev sib raug zoo ntawm cov khub niam txiv.
Qhov twg siv nws: Qhov tseem ceeb rau kev siab -kev sib npaug ntawm qhov sib npaug hauv cov ntaub ntawv chaw. Ib qho MTP cable tuaj yeem txhawb nqa 40G, 100G, 400G, thiab dhau mus los ntawm kev sib tw ntau lub fibers ib zaug. Nws txo qis cov cabling ntau thiab lub sijhawm teeb tsa rau qaum- nplooj ntawv network architectures. Ua ntej-tawm MTP cov hlua khi yog tib txoj hauv kev los xa cov ntaub ntawv loj loj hnub no.
Tsawg Common Connector Hom
Lwm hom ua haujlwm niche. CovMUyog ib qho me me SC, siv hauv qee cov khoom siv Japanese nruj heev. CovE2000 suav nrog lub caij nplooj ntoos hlav tiv thaiv -loaded shutter rau laser kev nyab xeeb.SMA yog super-rugged, tag nrho-hlau connector rau hnyav industrial/tub rog siv. Legacy hom zoo liESCONthiabFDDIfeem ntau yog obsolete.
Yuav Xaiv Li Cas: Ib Lub Tswv Yim Ua Haujlwm
Tsis nco qab cim specs. Nug cov lus nug no:
Dab tsi yog lub teeb liab thiab kev ua haujlwm xav tau?
Qhov no txiav txim siab polish. Rau cov qauv cov ntaub ntawv txuas, UPC yog qhov zoo. Rau ib qho RF overlay (xws li cable TV) lossis passive optical networks (PON), kojyuav tsumsiv APC. Qhov tsis ncaj ncees lawm polish yuav ua rau kev ua haujlwm tsis zoo.
Qhov chaw lub cev muaj pes tsawg leeg?
Nyob rau hauv ib qho kev sib hloov network lossis thaj vaj huam sib luag, LC yog qhov kev xaiv ua ntej rau qhov ceev. Rau patching hauv lub txee dai khaub ncaws, SC yog qhov ua tau zoo. Rau kev sib txuas cov kab ntawm cov servers mus rau sab saum toj - ntawm - khib hloov, ua ntej- txiav MTP harnesses yog ib qho kev ua si- hloov pauv kom txuag chaw thiab ua haujlwm.
Qhov chaw ua haujlwm yog dab tsi?
Lub chaw huv ntaub ntawv? Standard connectors yog zoo. Lub Hoobkas hauv pem teb nrog plua plav thiab kev co? Xav txog ruggedized versions nrog shutters (E2000) los yog threaded couplings (FC). Rau ib qho - kho qhov chaw tawm, ib qho ua ntej- polished, mechanical splice- ntawm connector yog qhov ua tau zoo dua li sim ua kom tiav tag nrho epoxy / polishing.
Kev teeb tsa thiab kuaj: Tsis yog-Kev sib tham
Ib tug zoo meej connector yuav puas los ntawm kev tuav tsis zoo. Cov txheej txheem tsim nyog yog txhua yam.
Kev txiav txim
Txawm hais tias siv epoxy-thiab- polish los yog cov cuab yeej ceev ceev, lub ntsej muag fiber ntau yuav tsum tau muab tshem tawm kom zoo (hauv lub kaum sab xis 0.5) thiab tsis muaj qhov tsis xws luag. Kev kis kab mob yog tus yeeb ncuab.
Kev sim
Tsis txhob hla ob kauj ruam no.
Insertion Loss VerificationSiv lub teeb pom kev zoo thiab lub ntsuas hluav taws xob (LSPM) los ntsuas qhov poob ntawm qhov sib txuas. Rau ib qho - hom txuas, txhua yam hauv qab 0.3 dB feem ntau yog siv tau. Ib qho OTDR tuaj yeem pom qhov poob ntawm kev sib txuas thiab nrhiav qhov tsis raug.
Xaus-Kev tshuaj xyuas ntsej muag: Qhov no yog qhov tseem ceeb tshaj plaws thiab feem ntau hla cov kauj ruam. Siv lub tsom iav tsom iav fiber ntau (ib IEC 61300-3-}35) los saib lub ferrule. Koj tab tom nrhiav khawb, qhov, tawg, lossis-feem ntau-plua plav. Ib qho me me ntawm plua plav zaum ntawm lub hauv paus tuaj yeem tawg lub teeb thiab ua rau poob loj. Kuv tus kheej tau siv sij hawm los daws qhov teeb meem sib cuam tshuam nkaus xwb kom pom cov kab mob me me uas pom nyob rau hauv qhov. Ntxuav txhua qhov txuas ua ntej mating, txhua zaus.
Lub neej yav tom ntej
Connector evolution tsom rau kev daws qhov mob tam sim no: txawmceev duaTxhawb 800G / 1.6T interfaces,yooj yim installation nrog qis qis zog thiab cov cuab yeej -tsawg tsim, thiab pib ntawmtxawj ntse, nrog cov connectors muaj peev xwm embedding sensors los saib xyuas qhov kub, poob, lossis kev sib txuas hauv lub sijhawm. Lub hom phiaj tseem zoo ib yam: txav ntau lub teeb, ntseeg tau ntau dua, hauv chav tsawg dua.
