Tej Yam Koj Yuav Tsum Paub Txog UPC thiab APC
Thaum twg peb nruab ib lub connector rau thaum xaus ntawm fiber ntau, yuav raug tsim tawm. Qee qhov teeb meem no pom tau ncaj qha rov qab hauv cov roj ntawm lub teeb ci uas yuav ua rau lub laser teeb pom kev thiab cuam tshuam cov teeb liab. Yuav kom tsis txhob rov qab xav dua, peb tuaj yeem siv txoj hlua ferrules los sib tw. Feem ntau, muaj ob hom fibular polish hom siv fiber ntau optic connectors-UPC thiab APC (cov duab hauv qab no qhia tau hais tias SC APC plhaub ntim qaum). Dab tsi ua li cas UPC thiab APC sawv? Dab tsi yog qhov sib txawv ntawm lawv? Thiab qhov twg yog qhov zoo rau koj lub network? Cov nram qab no yuav daws cov lus nug no ib qho los ntawm ib qho.
UPC lossis ultra lub cev muaj zog yog ib lub PC txuas (lub cev sib txuas) hnyav uas ua rau ib qhov chaw zoo tiav (raws li muaj nyob hauv daim duab hauv qab). Qhov sib xyaw kom tiav yog tsim rau thaum lub txheej txheem polishing pub rau fibers mus kov ntawm lub siab taw tes ze ntawm cov tub ntxhais fiber ntau qhov twg lub teeb ntswg. Muab -55dB rov qab poob, UPC connector relies on lub cav polishing kom xa qis optical rov qab yam ntxwv, ua nws tau txais hauv Ethernet network khoom xws li cov kev pab series, media converters thiab fiber ntau qhov. (Lub tswv yim: thaum siv UPC connectors, xyuas kom koj tus laser specifications tau lis cov tuaj poob uas koj UPC connector yuav ua kom muaj.)
APC, tseem muaj npe hu ua angled cev nqaij daim tawv sib txuas (muaj nyob hauv daim duab), yog lwm hom kev fibular polish. Nws ferrule polished nrog lub kaum ntsees 8-theem ntawm lub ntsej muag nqa lub fibers tighter thiab qhia lub teeb ntawm lub kaum sab xis mus rau hauv lub cladding es tsis txhob rov mus ncaj qha mus rau lub teeb qhov chaw, uas ua rau nws qhov muag rov poob los yog -60dB los yog siab dua, ua rau nws zoo dua qhov teeb meem. APC connector kov ntau lub tshuab ua si uas feem ntau ua haujlwm hauv xov tooj cua zaus (RF), xws li CATV lossis cov khoom siv hluav taws xob. Nws kuj muaj nyob rau hauv kev siv kho qhov muag tsis tu ncua, xws li PON cov chaw siv architectures los yog kho qhov muag pas dej LANs.
Xim Codes
Txoj kev yooj yim kom paub qhov txawv UPC thiab APC yog xim xim ntawm qhov chaw. Feem ntau, UPC connector yog yooj yim qhia tau los ntawm lawv cov xiav xim ntawm cov khau raj khi, thaum lub APC connector ntsuab.Endomet Geometry
Lub UPC polish tau tshwm sim nyob rau hauv ib lub dome-zoo li lub pob uas pab tau cov kev sib txuas ntawm ob lub fais fab tuag, thaum lub qhov kawg ntawm tus APC connector yog ci ntsa iab ntawm lub kaum-degree lub kaum ntse ntse, uas txo cov nqi ntawm lub teeb reflected ntawm ob lub fibers connected.Rov Qab Los
Qhov tseem ceeb ntawm kev ua yeeb yam ntawm APC thiab UPC connectors yog lawv rov poob (los yog qhov teeb ntawm lub teeb pom rov qab rau qhov qub qhov chaw). Kev xa rov qab poob yog ntsuas ntawm lub teeb reflected rov qab mus rau qhov chaw ntawm ib qho kev kho qhov muag interface. Qhov siab tshaj qhov poob, qhov zoo dua qhov ua tau zoo. Feem ntau, UPC connector yuav tsum muaj -55dB lossis siab dua, thaum APC yog -65dB lossis siab dua.Insertion poob
Insertion poob txawv ntawm qhov poob rov qab, uas yog hais txog kev ntsuas rau qhov nyiaj ntawm optical zog poob los ntawm ib khub niam txiv. Qhov txuas ntawm qhov txuas yuav siv nrog cov kab ntev ntev los txiav txim seb qhov kev siv nyiaj puas tsuaj rau ib qho kev sib txuas. Insertion poob ntawm APC thiab UPC yuav tsum yog tsawg dua -0.3dB, thiab qhov txo qis qhov poob, qhov zoo dua qhov ua tau zoo. Kev ua kom zoo tsis yog yooj yim dua nrog UPC connector vim huab cua tsis zoo dua li APC connector. Txawm li cas los xij, kev tsim cov hom kev lag luam tau zoo tuaj yeem tsim kom muaj ntau cov ces kaum ntawm APC connector thiab coj qhov chaw poob qis mus rau ntawm UPC connector.
Kev xaiv qhov sib txuas rau lub network yog nyob ntawm ntau txoj hauv kev, xws li cov qauv tsim, kev sib tw ntawm nws tus kheej, thiab kev siv nyiaj, thiab lwm yam. Los ntawm cov ntaub ntawv peb tau tham saum toj no, tsis muaj kev ntseeg tias APC muaj kev ua tau zoo dua UPC . Tab sis, UPC connector yuav raug nqi tsawg tshaj li APC connector. Tsis tas li ntawd, thaum twg cov kev siv yog tsis zoo los ntawm lwm tus neeg, piv txwv li, FTTX (fiber ntau rau cov x), kev siv lub tshuab ua kom pom zoo (PON), thiab qhov ntev ntu nruab nrab (WDM), APC connector yuav zoo dua li UPC connector. Tab sis yog tias koj tau siv nyiaj tsawg thiab tsis thov kom tau qhov zoo dua qub, koj xaiv tau UPC connector.
Thaum xaiv fiber ntau thaj pob zeb, nws yog qhov tseem ceeb heev uas yuav tau siv UPC thiab APC rau kev saib xyuas. Ob ntawm lawv tuaj yeem txo qaum rov qab thiab puas tsuaj rau qhov chaw laser. Thiab tom qab nyeem ntawv zaj no, vam tias koj tuaj yeem xaiv qhov kev tsim nyog rau koj thov kev koom tes.