Thaum lub Hoobkas- txiav cov hlua khi thiab ua ntej- cov kab hluav taws xob kaw tau zoo tagnrho rau cov chaw tswj cov ntaub ntawv chaw ib puag ncig, tiag tiag- ntiaj teb kev xa tawm cov xwm txheej feem ntau nthuav tawm cov kev txwv tshwj xeeb, tsis muaj kev cia siab ntawm cable khiav, thiab qhov ntev npaum li cas uas lub Hoobkas sib dhos tsis tuaj yeem haum. Yog li ntawd, cov kws tshaj lij hauv teb yuav tsum muaj cov kev txawj tshwj xeeb uas yuav tsum tau txiav tawm fiber ntau optic cables ncaj qha rau ntawm -site. Kev paub txog cov khoom siv tes ua haujlwm no ua kom muaj kev sib txuas zoo sib xws, txo qis cov teeb liab txo qis, thiab txhawb cov kws tshaj lij hauv kev sib koom ua ke rau kev cai - haum rau kev tsim kho vaj tse rau txhua lub cev tsis muaj kev ncua lossis kev hloov cable kim.
Cov cuab yeej tseem ceeb thiab cov txheej txheem kev nyab xeeb rau kev txiav tawm
Kev txiav tawm ntawm thaj chaw ua tau zoo pib nrog kev nthuav dav, zoo -cov cuab yeej khaws cia thiab ua raws li cov txheej txheem kev nyab xeeb. Kev ua haujlwm nrog cov iav fibers qhia txog cov teeb meem tshwj xeeb uas xav tau cov iav kev tshaj lij thiab kev qhuab qhia nruj. Tsis zoo li cov xov tooj tooj liab, qhov chaw xoob xoob lossis lub voj voog luv luv yuav ua rau cov khoom siv me me, mishandling optical iav tsim qhov pom tsis pom cov kab hluav taws xob uas tuaj yeem nkag mus tau yooj yim ntawm daim tawv nqaij lossis ob lub qhov muag, thaum lub teeb tsis pom kev tuaj yeem ua rau lub qhov muag puas. Yog li ntawd, txhua tus kws tshaj lij hauv cheeb tsam yuav tsum muab lawv tus kheej nrog cov cuab yeej tiv thaiv tus kheej kom raug, suav nrog tsom iav kev nyab xeeb nrog cov ntaub thaiv sab nraud thiab lub thawv ntim khoom siv rau cov khoom siv fiber ntau.
Cov cuab yeej raug tshem tawm ntawm thaj chaw yuav tsum suav nrog ntau lub cuab yeej tshwj xeeb tsim los tswj, sawb, ntxuav, cleave, thiab ruaj ntseg cov xov xwm kho qhov muag. Lub siab-zoo peb- qhov fiber ntau stripper yog qhov tseem ceeb; thawj lub qhov strips lub tsho sab nrauv 2.0mm lossis 3.0mm cable, qhov thib ob lub qhov strips lub 900-micron nruj tsis, thiab lub thib peb lub strips lub microscopic 250-micron acrylate txheej mus rau liab qab 125{{11}micron deg iav los yog nicron cladding. Precision fiber ntau cleavers yog qhov tseem ceeb sib npaug; qib high-qib neeg kho tshuab cleaver qhab nias lub iav thiab siv ib tug meej nro khoov rau snap lub fiber huv si ntawm cuaj caum-degree lub kaum sab xis, yielding ib tug ca kawg-lub ntsej muag nrog tsawg angular yuam kev.
Tsis tas li ntawd, cov khoom siv tu tsev yog qhov tseem ceeb. Cov kws kho mob yuav tsum nqa high-purity 99% isopropyl cawv, lint-dawb kho qhov muag wipes, thiab tshwj xeeb ntxuav swabs. Microscopic plua plav, roj los ntawm lub ntsis ntiv tes, los yog lub tsho seem tshuav ntawm lub iav tub ntxhais yuav tam sim ntawd ua rau muaj kev nkag siab siab thiab kho qhov muag rov qab -xav. Thaum kawg, lub teeb pom kev pom kev pom (VFL) lossis lub hnab tshos laser qhov chaw ua ke nrog lub tshuab kuaj xyuas tshwj xeeb muab lub peev xwm kuaj xyuas tsim nyog los txheeb xyuas lub teeb txuas ntxiv thiab tshuaj xyuas qhov polished lossis cleaved kawg -lub ntsej muag ua ntej kev sib tw zaum kawg. Txhim kho nws tus kheej nrog kev ntsuas ntsuas, siab - cov cuab yeej ua tau zoo hloov pauv qhov kev txiav tawm ntawm txoj haujlwm tsis paub meej mus rau qhov rov ua tau, siab - kev ntseeg siab ntawm engineering txheej txheem.
Kev Ntsuas Kev Siv Hluav Taws Xob: Mechanical vs Fusion Splice-On
Thaum npaj kev xa mus rau thaj chaw, cov kws tshaj lij yuav tsum xaiv cov txheej txheem kev txiav tawm sib txawv. Txhua cov txheej txheem sib npaug ntawm kev teeb tsa ceev, cov khoom siv, cov kev xav tau, thiab kev ua haujlwm kho qhov muag sib txawv. Kev nkag siab txog cov txheej txheem tseem ceeb no tso cai rau cov engineers network xaiv txoj hauv kev zoo rau lawv qhov chaw ua haujlwm tshwj xeeb.
Mechanical splice- ntawm cov khoom sib txuas, feem ntau ua lag luam raws li cov khoom sib txuas ceev lossis tsis muaj - cov khoom siv polished, yog tsim los rau kev xa tawm sai nrog cov cuab yeej tshwj xeeb tsawg. Cov khoom sib txuas no muaj lub Hoobkas- teeb tsa, ua ntej-cleaved stub fiber nyob rau hauv lub ferrule thiab ib qho kev sib txuas ntawm cov tshuab sab hauv. Thaum lub sij hawm txiav, tus kws tshaj lij strips thiab cleaves lub teb fiber ntau, ntxig nws mus rau hauv qab ntawm lub connector kom txog thaum nws kov lub puab stub fiber, thiab koom ib tug mechanical locking cam los yog crimp nplhaib los tuav lub fiber nyob rau hauv qhov chaw. Alignment gel nyob rau hauv lub splice point matches lub refractive index ntawm lub iav kom txo lub teeb tawg. Thaum cov neeg kho tshuab txuas muab lub sijhawm teeb tsa sai thiab tshem tawm qhov xav tau ntawm cov cav tov kim fusion splicing, lawv feem ntau pom me ntsis siab dua qhov poob thiab qhov cuam tshuam qhov tseem ceeb piv rau fusion splices, thiab lawv tuaj yeem ua rau muaj kev kub ntxhov ntau dua thiab kev vibration ntawm txhua lub sijhawm.
Fusion splice- ntawm cov khoom sib txuas sawv cev rau qhov kawg ntawm kev ua haujlwm tam sim no. Txoj hauv kev no ua ke nrog kev ntseeg siab ntawm kev sib txuas mus tas li nrog cov modularity ntawm daim teb -installable connector lub cev. Lub fusion splice- ntawm connector siv lub Hoobkas luv pigtail-prepped nrog precision ceramic ferrule. Tus kws tshaj lij strips lub teb cable, strips thiab cleaves cov khoom siv fiber ntau, thiab muab ob qho tib si lub teb fiber ntau thiab cov pigtail fiber ntau rau hauv cov tub ntxhais - kev sib dhos lossis cladding - kev sib dhos fusion splicer. Lub tshuab melts lub iav xaus ua ke siv ib qho hluav taws xob arc, tsim kom muaj kev ruaj ntseg, seamless kho qhov muag daim ntawv cog lus nrog zoo li xoom insertion poob thiab exceptionally rov qab poob. Thaum spliced, tiv thaiv tshav kub-shrink splice tes tsho yog siv, thiab lub splice point yog zoo huv si nyob rau hauv ib tug robust, snap{12}} ua ke connector khau raj thiab vaj tse. Thaum xav tau kev nqis peev ntau dua rau lub fusion splicer, txoj kev no muab cov cab kuj - qib kho qhov muag uas phim lub Hoobkas- txiav kev sib dhos.
Ib txwm epoxy-thiab- cov khoom siv polished sawv cev rau cov txheej txheem kub qub rau siab - lub zog lossis siab - kev ntseeg siab rau kev lag luam. Hauv qhov kev ua haujlwm no, tus kws tshaj lij txhaj tshuaj tshwj xeeb ob-ib feem epoxy rau hauv qhov txuas ferrule, ntxig cov stripped thiab ntxuav liab qab fiber ntau, thiab kho cov epoxy siv lub thermal curing qhov cub lossis UV teeb. Thaum kho, lub qhov rooj iav qhov rooj yog cleaved, thiab lub ferrule kawg -lub ntsej muag yog manually tes- polished siv ib tug zuj zus ntxiv zoo lapping films affixed rau iav polishing phaj, coj los ntawm ib tug tshwj xeeb polishing puck. Thaum lub sij hawm-siv thiab hnyav heev nyob ntawm kev txawj ntse, epoxy-thiab- polish connectors muab cov neeg kho tshuab tensile lub zog thiab ib puag ncig zoo, ua rau lawv nrov nyob rau hauv cov tub rog, aerospace, thiab hnyav sab nraum ib puag ncig uas cov neeg kho tshuab connectors yuav poob nyob rau hauv kev nyuaj siab heev.
Kauj Ruam -los ntawm - Kauj Ruam Field Termination Workflow
Kev ua tiav qhov kev txiav tawm tsis zoo yuav tsum muaj txheej txheem, kauj ruam - los ntawm - kauj ruam ua haujlwm. Hla ib kauj ruam npaj los yog maj nrawm los ntawm kev ntxuav cov theem tuaj yeem cuam tshuam tag nrho qhov txuas, yuam tus kws tshaj lij txiav tawm qhov txuas thiab rov pib txheej txheem los ntawm kos. Ua raws li tus qauv kev cai, kev qhuab qhia tau lees paub qhov sib xws ntawm txhua qhov kev sib txuas.
Lub workflow pib nrog kev npaj cable. Tus kws tshaj lij swb cov khau raj sab nrauv uas tsim nyog thiab lim- cov khoom siv nyem rau ntawm lub tsho cable ua ntej stripping. Siv cov cuab yeej stripping tsim nyog, lub tsho sab nrauv yog stripped rov qab los nthuav tawm cov tswv cuab hauv lub zog, xws li Kevlar aramid yarn, thiab cov fibers buffered. Cov xov paj Kevlar yuav tsum tau txiav kom huv si siv cov txiab tshwj xeeb thiab muab tais rov qab los ntawm lub tsho cable los yog ruaj ntseg hauv qab lub nplhaib sab hauv, vim tias cov khoom siv no muab cov cuab yeej tensile lub zog yuav tsum tau tiv thaiv cov cable los ntawm rub tawm thaum nro.
Tom ntej no, cov txheej txheem tseem ceeb yuav tsum tau muab tshem tawm kom pom qhov liab qab 125-micron iav fiber. Rau nruj- cov kab hluav taws xob buffered, 900-micron tsis yog stripped rau hauv ib qho kev sib tw uas siv cov cuab yeej stripping tsim nyog. Rau cov hlua xoob xoob xoob lossis cov khoom siv armored, cov khoom siv sib txuas ntxiv lossis cov hlab tsis sib txuas yuav tsum tau tswj xyuas kom zoo. Tam sim ntawd tom qab stripping, lub iav liab qab yuav tsum tau muab ntxuav kom huv si siv cov lint-dawb so moistened nrog 99% isopropyl cawv kom tshem tawm cov seem acrylate txheej los yog tsim cov roj. Txawm tias ib lub microscopic zaj duab xis ntawm residue yuav cuam tshuam nrog cleaving zoo thiab optical kis tau tus mob.
Qhov tseem ceeb theem tom ntej yog cleaving. Cov fiber ntau ntxuav tau muab tso rau hauv qhov tseeb fiber ntau cleaver, kom ntseeg tau tias qhov ntev ntev protruding los ntawm cleaver clamp phim cov chaw tsim khoom yuav tsum tau xaiv rau hom connector. Ua kom tiav cov qhab nia cleaver thiab snaps lub iav, tsim ib lub tiaj tus, daim iav -zoo li qhov kawg- ntsej muag perpendicular mus rau lub fiber axis. Cov kws kho mob yuav tsum tuav cov cleaved fiber ntau nrog kev saib xyuas kom ntseeg tau tias qhov kawg - lub ntsej muag tsis kov ib qho chaw ua ntej tso.
Nyob ntawm seb tus neeg kho tshuab lossis fusion splice- ntawm txoj kev siv, cov fiber ntau tau muab tso rau hauv lub tsev txuas lossis muab tso rau hauv fusion splicer. Rau cov neeg kho tshuab txuas, cov fiber ntau tau maj mam nce mus txog thaum me ntsis macro- khoov tau pom, lees paub qhov kev sib cuag ntawm lub cev nrog lub hauv paus fiber ntau ua ntej xauv lub clamping mechanism. Rau fusion splice- ntawm connectors, lub splice raug tua nyob rau hauv lub tshuab, tiv thaiv nrog lub tshav kub ntsws lub tes tsho, thiab snapped securely rau hauv lub connector sab nrauv vaj tse. Thaum kawg, lub strain relief khau raj yog swb rau hauv qhov chaw thiab ruaj ntseg, ua kom tiav lub cev sib dhos ntawm qhov kev txiav tawm.
Kev tshuaj xyuas, kuaj, thiab kev lees paub zoo tshaj plaws
Lub cev sib dhos tsuas yog ib nrab ntawm kev sib ntaus sib tua; kev txheeb xyuas qhov kho qhov muag thiab kev ncaj ncees ntawm kev txiav tawm yog qhov tseem ceeb ua ntej tshaj tawm qhov txuas ua haujlwm. Field- cov kev sib txuas raug txiav tawm yog qhov ua rau tib neeg yuam kev ntau dua li lub Hoobkas- ua cov rooj sib txoos, ua cov txheej txheem kev ruaj ntseg zoo uas yuav tsum tau ua rau txhua qhov kev sib txuas.
Thawj kab ntawm kev txheeb xyuas yog kev tshuaj xyuas qhov muag. Cov kws kho mob yuav tsum siv lub tshuab kuaj xyuas fiber ntau tshwj xeeb lossis lub koob yees duab digital los tshuaj xyuas qhov polished lossis sab hauv ferrule kawg-lub ntsej muag. Lub microscope magnification qhia seb puas muaj plua plav, khawb, epoxy smudges, lossis chipping tshwm sim thaum lub sijhawm txiav tawm. Yog tias pom muaj kab mob sib kis, yuav tsum tau ua haujlwm ntxuav cov swabs thiab cawv kom rov- ntxuav qhov kawg- ntsej muag kom txog rau thaum lub ntsej muag pristine tiav. Rau kev sib txuas ntawm cov tshuab lossis fusion, siv lub qhov muag pom qhov tsis pom kev (VFL) yog qhov kev kuaj xyuas thib ob zoo; txhaj tshuaj pom lub teeb liab laser rau hauv cov fiber ntau tso cai rau tus kws kho mob pom cov macro ntau dhau -bending, lub teeb to ntawm qhov sib txuas, lossis lub rooj zaum tsis zoo tam sim ntawd.
Ua raws li kev txheeb xyuas pom, kev ntsuas ntau yuav tsum tau ua nrog lub ntsuas hluav taws xob kho qhov muag thiab lub teeb pom kev ruaj khov, lossis Optical Time Domain Reflectometer (OTDR). Insertion poob kev ntsuas ntsuas tag nrho cov hluav taws xob kho qhov muag poob thoob plaws qhov kev sib txuas tshiab, qhia hauv decibels. Rau cov qauv kev sib txuas ntau- hom kev sib txuas, qhov poob qis yuav tsum feem ntau nyob qis dua 0.3 txog 0.5 decibels, thaum tib hom kev sib txuas yuav tsum muaj cov lej poob qis dua. Yog tias qhov poob qis tshaj qhov kev lees paub, nws feem ntau qhia tau tias lub kaum sab xis tsis zoo, muaj kab mob hauv lub ferrule, lossis misalignment ntawm qhov sib txuas.
Tsis tas li ntawd, kev ntsuam xyuas rov qab los xyuas kom meej tias lub teeb pom kev tsawg tsawg, tiv thaiv laser transceivers rhiab heev los ntawm kev puas tsuaj thiab txo qis me ntsis yuam kev nyob rau hauv siab - kis tau tus mob raws. Kev soj ntsuam cov ntaub ntawv rau txhua qhov txuas uas tau txiav tawm ua rau lub hauv paus txhim khu kev qha rau kev saib xyuas lub network yav tom ntej thiab kev daws teeb meem. Los ntawm kev sib koom ua ke ntawm kev npaj lub cev nruj, kev ua kom tiav, thiab kev sim ua kom zoo, cov kws tshaj lij hauv cheeb tsam kom ntseeg tau tias txhua qhov kev sib txuas muab kev ua haujlwm tsis muaj kev cuam tshuam, txhawb kev nthuav dav tsis tu ncua ntawm kev sib txuas thoob ntiaj teb digital.
