Kev nkag siab txog kev siv tshuab optic cable yog qhov tseem ceeb rau cov kws tshaj lij kev sib txuas lus, network engineers, thiab txhua tus neeg koom nrog hauv fiber optic infrastructure xa mus. Cov lus qhia dav dav FAQ no muaj cov lus nug ntau txog cov hom kho qhov muag, cov qauv tsim, kev tsim khoom, thiab kev siv.
Nkag siab txog Optical Cable Basics
Dab tsi yog qhov txawv ntawm optical fiber thiab optical cable?
Optical fiber yog iav kis nruab nrab ntawm nws tus kheej, muaj cov tub ntxhais, cladding, thiab tiv thaiv txheej txheej. Txawm li cas los xij, ib qho khoom siv kho qhov muag yog ib qho kev tiv thaiv ua tiav uas muaj ib los yog ntau lub fibers kho qhov muag nrog rau cov tswv cuab lub zog, cov raj tsis muaj dej, dej - thaiv cov ntaub ntawv, thiab cov tsho sab nrauv. Cov qauv cable tiv thaiv cov fibers los ntawm ib puag ncig kev puas tsuaj, kev ntxhov siab, kev ya raws, thiab qhov kub thiab txias thaum lub sijhawm teeb tsa thiab ua haujlwm. Kev tsim kab hluav taws xob tsim nyog ua kom ntseeg tau tias cov fibers hauv cov qauv optic cable tseem muaj kev tiv thaiv thiab tswj lawv cov kev ua haujlwm kho qhov muag thoob plaws hauv lawv lub neej kev pabcuam.
Dab tsi yog cov txheej txheem tseem ceeb ntawm cov kab hluav taws xob kho qhov muag?
Ib qho kev kho qhov muag cable muaj ntau yam tseem ceeb ua haujlwm ua ke. Cov tub ntxhais muaj fiber ntau kho qhov muag, ib leeg buffered los yog pab pawg hauv cov raj xoob lossis ribbons. Cov tswv cuab muaj zog muab lub zog tensile thiab tej zaum yuav muaj xws li aramid yarns, fiberglass rods, los yog steel hlau nyob rau hauv centrally los yog helically. Dej- thaiv cov khoom tiv thaiv kom tsis txhob ya raws siv cov gels lossis cov khoom siv superabsorbent. Cov hlab ntsha tsis zoo lossis cov txheej txheem nruj tiv thaiv ib tus neeg fibers. Cov tswv cuab hauv nruab nrab lossis cov ntaub qhwv tseem ceeb muab kev txhawb nqa, thaum lub tsho sab nrauv tiv thaiv txhua yam los ntawm kev puas tsuaj ib puag ncig. Txhua feem yog engineered los ua hauj lwm sib haum xeeb nyob rau hauv tag nrho cov optic cable tsim.
Lub raj xoob thiab nruj - cov qauv kab hluav taws xob sib txawv li cas?
Loose tube cables muaj fibers nyob rau hauv cov hlab loj loj (feem ntau 2-3 hli txoj kab uas hla) uas muaj dej- thaiv kev sib txuas, tso cai rau cov fibers txav tau yooj yim thiab nyob twj ywm ntawm kev ntxhov siab sab nraud. Qhov kev tsim no ua tau zoo nyob rau hauv ib puag ncig sab nraum zoov thiab ntev - daim ntawv thov nyob deb. Tight- buffered cables siv cov txheej tiv thaiv tuab (900 μm) ncaj qha mus rau txhua qhov fiber ntau, tsim kom muaj lub zog muaj zog ntawm ib tus neeg fiber ntau haum rau qhov chaw nyob sab hauv tsev, ua haujlwm luv dua, thiab siv cov ntawv siv txiav. Kev xaiv ntawm cov kab hluav taws xob optic no nyob ntawm qhov chaw teeb tsa, qhov yuav tsum tau nyob deb, thiab kev txiav txim siab thaum lub sijhawm teeb tsa thiab kev saib xyuas.
Dab tsi txiav txim siab fiber ntau suav hauv kev tsim kho qhov muag cable?
Fiber suav xaiv nyob ntawm qhov yuav tsum tau muaj bandwidth tam sim no, xav tau kev nthuav dav yav tom ntej, thiab daim ntawv thov tshwj xeeb. Feem ntau suav txij li 2 mus rau 864 fibers lossis ntau dua hauv cov qauv siab - ntom ntom. Cov kab hluav taws xob sab hauv tsev feem ntau muaj 2-144 fibers, thaum cov kab hluav taws xob sab nraum zoov yuav muaj 12-288 fibers hauv cov qauv tsim. High-fiber-suav cables tshaj 432 fibers siv cov qauv ribbon los ua kom qhov ntom ntom. Kev tsim cov kab hluav taws xob optic yuav tsum ua kom haum raws li qhov teev fiber ntau suav thaum tswj tau cov kab hluav taws xob siv tau, qhov hnyav, thiab cov yam ntxwv ntawm kev teeb tsa. Cov phiaj xwm network feem ntau muab 30-50% fibers ntxiv tshaj qhov xav tau tam sim rau kev loj hlob yav tom ntej.
Sab hauv Optical Cable Hom
Cov kab xaim xaim yog dab tsi thiab lawv siv qhov twg?
Cov kab hluav taws xob faib ua kom nruj- cov fibers buffered tsim los rau sab hauv tsev routing nyob rau hauv cov tsev, cov ntaub ntawv chaw, thiab tsev kawm ntawv. Cov cables no feem ntau muaj 4-144 fibers nrog 900 μm nruj buffers, aramid yarn lub zog cov tswv cuab, thiab nplaim taws- cov tsho retardant rated rau plenum, riser, lossis qhov chaw dav dav. Lub robust fiber buffering tso cai ncaj qha connector txiav tsis muaj splice enclosures. Cov kab hluav taws xob faib ua haujlwm zoo hauv qhov chaw nruj nruj, txhawb nqa kev tuav ntau zaus thaum lub sijhawm teeb tsa, thiab ua tau raws li cov cai hauv tsev. Lawv sawv cev rau lub workhorse optic cable hom rau cov qauv cabling systems thiab premise network infrastructure.
Dab tsi ua rau breakout cables tshwj xeeb?
Cov kab hluav taws xob tawg muaj ntau yam nruj- cov fibers buffered, txhua tus nrog nws tus kheej sub- lub tsho, tag nrho cov pob hauv ib lub tsho sab nrauv. Qhov kev tsim kho no tso cai rau ib tus neeg fibers tawg tawm thiab sib cais mus rau qhov chaw sib txawv yam tsis tas yuav tsum muaj qhov sib txuas. Breakout tsim ua kom yooj yim rau kev teeb tsa hauv cov chav tsev thiab cov chaw khaws ntaub ntawv uas ib tus neeg fibers xaus ntawm cov vaj huam sib luag lossis cov khoom siv sib txawv. Kev lag luam tawm -tawm rau qhov kev hloov pauv no yog qhov loj dua tag nrho cov kab kab uas hla thiab tus nqi siab dua piv rau cov xaim hluav taws xob. Breakout optic cable sib dhos ua haujlwm tshwj xeeb zoo rau kev sib txuas luv luv uas xav tau kev hloov pauv hauv fiber ntau.
Plenum - cov kab hluav taws xob ntsuas yog dab tsi thiab vim li cas lawv thiaj yuav tsum tau?
Plenum- cov kab hluav taws xob ntsuas siv tshwj xeeb qis- pa taws, nplaim taws- cov ntaub ntawv retardant uas ua tau raws li cov qauv kev ruaj ntseg hluav taws kub ceev rau kev teeb tsa hauv huab cua- tuav qhov chaw. Cov kab hluav taws xob no yuav tsum dhau qhov kev sim nruj raws li UL 910 lossis NFPA 262, ua kom pom cov nplaim hluav taws xob tsawg thiab txo cov pa luam yeeb. Cov ntaub ntawv tsho feem ntau suav nrog fluoropolymers (FEP, PVDF) lossis tshwj xeeb tsim muaj tsawg- cov pa luam yeeb. Cov cai hauv tsev tswj hwm cov kev ntsuas plenum rau cov kab hluav taws xob tau teeb tsa hauv qhov chaw siv rau ib puag ncig huab cua ncig. Txawm hais tias kim dua li riser{11}} ntsuas lwm txoj hauv kev, plenum optic cable muab kev tiv thaiv kev nyab xeeb tseem ceeb hauv cov tsev nyob los ntawm kev txo qis cov pa luam yeeb phom sij thaum muaj hluav taws kub.
Sab nraum zoov Optical Cable Ntau yam
Dab tsi yog cov yam ntxwv ntawm faus ncaj qha optical cables?
Direct faus cables feature rugged tsim tsim rau underground installation tsis muaj kev tiv thaiv conduit. Cov cables no suav nrog ntau txheej tiv thaiv nrog rau cov gel-cov raj xoob, corrugated steel lossis aluminium armor, hnyav- lub tsho polyethylene lub luag haujlwm, thiab feem ntau dej nyab cov khoom thoob plaws hauv cov qauv. Cov armor tiv thaiv cov nas puas, kev txav hauv av, thiab khawb kev sib tsoo. Txhim kho cov dej noo tiv thaiv kom tsis txhob muaj dej nkag mus rau ntau xyoo dhau los ntawm kev cuam tshuam hauv av. Direct faus optic cable tsim yuav tsum tiv taus av siab, khov -thaw cycles, thiab tej zaum yuav muaj kev cuam tshuam rau cov neeg kho tshuab thaum tuav fiber ntau. Cov kab hluav taws xob no sawv cev rau kev tsim kho qhov muag pom kev zoo tshaj plaws.
Yuav ua li cas aerial optical cables txawv ntawm lwm hom sab nraum zoov?
Aerial cables tsim rau ncej-mounted installation feature lub teeb yuag kev tsim kho nrog lub zog txaus rau kev ncua. Tus kheej- txhawb kev tsim qauv suav nrog siab- lub zog dielectric cov tswv cuab (aramid lossis fiberglass), thaum lashed aerial cables siv sib zog siv txij li cov xa xov hlau muab kev txhawb nqa. Daim duab-8 cov qauv tsim ua ke cov kab hluav taws xob optic nrog cov xaim xaim sib txuas. UV-cov tsho tiv thaiv tiv thaiv tiv thaiv tshav ntuj. Aerial optic cable yuav tsum tiv taus cua loading, ice commulation, kub heev ntawm -40℃rau +70 degree, thiab tej zaum yuav xob laim surges. Kev txiav txim siab tsim qauv suav nrog kev suav sag-nruj, qhov siab tshaj plaws ncua ntev, thiab txuas kho vajtse compatibility.
Dab tsi ua rau duct cables optimized rau conduit installation?
Cov kab hluav taws xob muaj qhov du, tawv tawv tsho nrog cov coefficients qis ntawm kev sib txhuam kom yooj yim rub los ntawm cov kav dej. Lub compact, puag ncig kev tsim kho txo rub nro thiab enables ntev rub nrug. Cov cables no siv cov gel- puv lossis qhuav tsim nrog dej tsim nyog- thaiv kev tiv thaiv. Nruab nrab-cov tsho polyethylene ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom ntom polyethylene tsho muab kev ua haujlwm zoo heev thiab ua haujlwm tsis zoo thaum lub sijhawm teeb tsa. Duct optic cable tsim qhov sib npaug ntawm txoj kab nruab nrab (tsawg kawg ntawm cov kav dej) nrog cov qib kev tiv thaiv txaus. Kev txhim kho kom zoo suav nrog ua ntej-lubrication, kev soj ntsuam nruj thaum rub, thiab ua raws li qhov siab tshaj plaws rub nro specifications los tiv thaiv fiber ntau puas.
Armored optical cables yog dab tsi thiab thaum twg lawv tsim nyog?
Armored cables suav nrog cov txheej txheem hlau tiv thaiv-feem ntau corrugated steel daim kab xev, interlocked aluminium armor, lossis steel hlau armor- nyob ib puag ncig cov tub ntxhais cable. Qhov kev tsim kho no muab kev tiv thaiv zoo tshaj plaws tiv thaiv kev sib tsoo, kev puas tsuaj, thiab kev tawm tsam nas. Armored optic cable hom pab kev siv nrog rau kev faus ncaj qha rau hauv cov av nyuaj, cov chaw ua haujlwm nrog cov tshuab hnyav, thaj chaw uas muaj cov nas muaj neeg coob, thiab cov chaw muaj kev cuam tshuam rau kev ua phem. Cov armor ntxiv qhov hnyav, txo qhov yoog raws, thiab nce nqi, tab sis muab kev tiv thaiv tsis sib xws. Kev teeb tsa yuav tsum tau txiav txim siab tshwj xeeb hauv av rau cov khoom siv hlau hauv kev sib txuas lus.
Sab nraum zoov Optical Cable Sib piv
| Hom kab | Kev siv thawj zaug | Cov yam ntxwv tseem ceeb tiv thaiv | Kev xav txog kev teeb tsa |
|---|---|---|---|
| Direct Burial | Underground tsis muaj kav dej | Hlau / aluminium armor, hnyav- lub luag haujlwm lub tsho | Yuav tsum muaj cov khoom siv trenching |
| Huab cua | Ncej -mounted installations | UV-cov tsho tiv taus, cov tswv cuab muaj zog | Yuav tsum tau ncej nkag, sag xam |
| Cov kav dej | Conduit systems | Cov tsho du, dej- thaiv | Yuav tsum tau rub cov cuab yeej, lubrication |
| Armored | Siab - ib puag ncig muaj kev pheej hmoo | Hlau armor txheej | Yuav tsum tau grounding, tshwj xeeb tuav |
Tshwj xeeb Optical Cable Applications
Dab tsi txhais ADSS optical cable tsim?
Tag nrho -Dielectric Tus Kheej-Txhawb nqa cables tsis muaj cov khoom siv hlau, siv siab - lub zog aramid yarns kom ua tiav qhov ntsuas tensile ntawm 10 kN txog 30 kN rau saum huab cua spans yam tsis muaj kev txhawb nqa. Kev tsim kho dielectric tag tshem tawm cov kev xav tau hauv av thiab tso cai rau kev teeb tsa rau siab -voltage transmission structures. ADSS optic cable tsim yuav suav nrog kev tsim vaj tsev nyob rau qhov ntev, kev tshem tawm tus neeg xyuas pib, kev thauj khoom cua / dej khov, aeolian kev co, thiab hluav taws xob kev ntxhov siab nyob rau hauv siab -voltage ib puag ncig. Cov tsho tshwj xeeb tiv thaiv hluav taws xob taug qab. Cov kab hluav taws xob no ua haujlwm rau cov khoom siv hluav taws xob thiab lwm yam kev siv uas yuav tsum tau siv dav hlau ntev nyob ze ntawm cov neeg siv hluav taws xob uas muaj cov kab hluav taws xob zoo sib xws tsim kev nyab xeeb.
OPGW optical cable ua haujlwm li cas rau ob lub hom phiaj?
Optical Ground Wire cables ua haujlwm ib txhij ua cov xov hlau hauv av rau kev tiv thaiv xob laim thiab kev sib txuas lus. Kev tsim kho nta lub hauv nruab nrab stainless hlau raj tiv thaiv qhov muag fibers, ib puag ncig los ntawm txhuas-clad steel los yog aluminium alloy strands muab txhua yam muaj zog thiab hluav taws xob conductivity. OPGW optic cable yuav tsum ua tau raws li ob qho kev sib txuas lus kev ua tau zoo thiab cov khoom siv hluav taws xob / tshuab hluav taws xob rau hauv av xaim hauv av. Cov ntawv thov tsom mus rau cov khoom siv hluav taws xob hluav taws xob uas cov tsev sib kis tau muaj lawm, tshem tawm cov kev sib txuas lus sib cais. Tsim kom muaj kev tiv thaiv fiber ntau, hluav taws xob hauv av ua haujlwm zoo, kev siv lub zog, thiab kev tiv thaiv hluav taws xob.
Dab tsi yog qhov tshwj xeeb yuav tsum tau rau submarine optical cables?
Submarine cables ntsib cov teeb meem ib puag ncig txawv txawv uas xav tau kev tsim tshwj xeeb. Sib sib zog nqus-dej cables siv lub teeb yuag nrog steel hlau muaj zog cov tswv cuab, tooj liab fais fab conductors rau kev pub noj rov qab, thiab ntau txheej txheej polymer muab kev tiv thaiv thiab dej thaiv. Ntug hiav txwv-txoj kev mus kom ze yuav tsum hnyav ob npaug- armored tsim tiv thaiv cov thauj tog rau nkoj, nuv ntses iav, thiab surf zone tej yam kev mob. Submarine optic cable tsim nyob rau hauv hydrostatic siab tshaj 800 bar, puas los ntawm seabed txav, marine borer tiv thaiv, thiab hydrogen tiam ntau tshaj - xyoo caum lifespans. Kev tsim khoom suav nrog kev ntsuas siab, kev ntsuas tshuab dav dav, thiab kev tshawb xyuas hermetic sealing ua ntej xa mus.
Dab tsi yog tactical optical cables?
Tactical cables pab tub rog, teb thaum muaj xwm txheej ceev, thiab kev siv network ib ntus uas xav tau kev xa mus sai thiab rov qab los. Cov kev tsim kho qhov muag tshwj xeeb no hais txog qhov yooj yim heev, lub zog siab - mus rau - qhov hnyav piv, thiab tsis kam rov ua kev tsim txom. Kev tsim kho feem ntau nta ruggedized nruj- buffered fibers, siab -lub zog aramid qhov cuab lub zog, thiab ultra- cov tsho hloov tau yooj yim sib txuas tswj kev ua haujlwm mus rau -50℃. Tactical cables cua mus rau reels rau kev xa tawm sai, tiv thaiv tsheb khiav, thiab muaj sia nyob hnyav hnyav. Cov kev sib txawv tshwj xeeb suav nrog cov cables nrog kev sib txuas ntawm cov hlua rub, rov qab ua dua -kev tsim kho kom zoo, thiab kev ua tub rog-kev qhia ib puag ncig rau kev xav tau kev ua haujlwm.
Optical Cable Manufacturing Txheej txheem
Yuav ua li cas xoob raj qauv tsim nyob rau hauv optical cable ntau lawm?
Loose tube extrusion txheej txheem siv hloov kho polypropylene lossis lwm cov ntaub ntawv polymer nyob ib ncig ntawm pawg fiber ntau siv cov khoom tshwj xeeb extrusion. Fibers pub los ntawm lub raj tuag nrog kev tswj nruj thiab ntev ntev (feem ntau 0.3-0.6%) kom ntseeg tau tias slack hauv lub raj tiav. Tube txoj kab uas hla precisely tswj kom haum raws li teev fiber ntau suav thaum tswj qhov tsawg kawg nkaus khoov vojvoog uas yuav tsum tau. Tom qab extrusion thiab txias, cov raj hla dhau los ntawm cov chaw ntim khoom siv dej thaiv cov gel. Kev saib xyuas zoo suav nrog kev ntsuas lub raj txoj kab uas hla, kev txheeb xyuas qhov chaw fiber ntau, thiab kev siv tau ntev ntev. Ntau lub raj yuav raug tso tseg nyob ib ncig ntawm tus tswv cuab hauv nruab nrab thaum lub sijhawm ua haujlwm txuas ntxiv ntawm optic cable.
Yuav ua li cas thaum lub sij hawm stranding txheej txheem?
Cable stranding sib txuas ua ke ntau lub raj tsis muaj zog, cov tswv cuab lub zog, thiab cov pas nrig muab tso rau ib ncig ntawm cov tswv cuab hauv nruab nrab siv cov khoom siv hauv ntiaj teb stranding. Cov txheej txheem siv kev tswj nruj rau txhua lub caij thaum tig lub taub hau stranding los tsim cov qauv helical. Stranding tsis xws li nteg ntev, kev taw qhia, thiab nro cuam tshuam rau cable yooj, lub zog faib, thiab seem stability. Qee cov qauv tsim suav nrog cov txee- cov khaubncaws sab nraud povtseg kom zoo dua qub. Cov tub ntxhais uas tso tseg tuaj yeem tau txais daim kab xev qhwv, dej- thaiv cov ntaub ntawv, lossis daim ntawv thov khi ua ntej lub tsho. Kev tswj xyuas meej thoob plaws hauv txoj hlua khi kom ua tiav cov kab hluav taws xob optic ua tau raws li cov lus qhia rau txoj kab uas hla, yoog raws, thiab kev ua haujlwm txhua yam.
Cov tsho optical cable tau siv thiab kuaj li cas?
Jacket extrusion siv cov txheej txheem tiv thaiv zaum kawg siv crosshead tuag uas nyob nruab nrab ntawm cov tub ntxhais cable nyob rau hauv lub extruded polymer kwj. Polyethylene tebchaw yog feem ntau, nrog cov formulations xaiv rau tej yam kev cai. Cov txheej txheem extrusion tswj lub tsho thickness, concentricity, thiab nto zoo thaum tswj cov kab ceev kev sib koom tes nrog cov txheej txheem ntws. Tom qab extrusion, cov tsho txias rau hauv cov dej troughs ua ntej zaum kawg kev soj ntsuam. Kev soj ntsuam zoo suav nrog kev ntsuas tuab ntawm ntau lub kaum ntse ntse, kev txheeb xyuas eccentricity, kuaj lub txim rau lub tsho ncaj ncees, thiab kev ntsuam xyuas qhov zoo. Kev luam ntawv coding siv thaum lub sij hawm lossis tom qab lub tsho los muab kev txheeb xyuas cov kab hluav taws xob mus tas li.
Fiber npaj thiab kuaj
Buffer raj extrusion los yog nruj buffering
Cable stranding thiab core sib dhos
Jacket extrusion thiab kho
Kev xeem zaum kawg thiab ntawv pov thawj
Installation thiab kev ua tau zoo xav txog
Dab tsi yog qhov siab tshaj plaws rub tensions rau ntau hom optical cable?
Qhov siab tshaj plaws rub nro sib txawv heev raws li kev tsim kho ntawm optic cable thiab lub zog cov tswv cuab tsim. Cov kab hluav taws xob hauv tsev feem ntau tso cai rau 100-200 N ib fiber ntau, thaum cov kab hluav taws xob sab nraum zoov nrog cov tswv cuab muaj zog tuaj yeem txhawb nqa 2,000-6,000 N. Armored cables feem ntau tso cai siab dua ntawm 3,000-8,000 N. Kev teeb tsa tseem ceeb hauv kev tswj hwm kev rub tawm qhov siab tshaj plaws ntawm 8. Cov cuab yeej ntsuas kev nruj yuav tsum tau siv rau kev rub ntev los yog nyuaj. Kev rub tawm ntau dhau tuaj yeem ua rau muaj fiber ntau, lub zog ntawm cov tswv cuab elongation, lossis lub tsho puas. Cov txheej txheem kev teeb tsa kom raug suav nrog kev ua ntej lubrication, nruab nrab rub cov ntsiab lus, thiab daim duab-yim layouts pab tswj cov qib nro.
Qhov kub li cas cuam tshuam rau kev ua haujlwm kho qhov muag cable?
Kub variations tsim ntau yam teebmeem hauv optic cable systems. Thermal expansion thiab contraction ntawm cable Cheebtsam tsim muaj zog uas yuav strain fibers yog tias ntev fiber ntau tsis txaus. Qhov kub qis txo lub tsho hloov tau yooj yim thiab tuaj yeem ua rau gel thickening hauv gel -cov qauv tsim. Qhov kub thiab txias ua rau kev laus hauv cov ntaub ntawv polymeric thiab tuaj yeem cuam tshuam rau fiber ntau attenuation. Kev tsim cov kab hluav taws xob tsim nyog suav nrog qhov ntev fiber ntau txaus (feem ntau 0.3-0.6%) kom haum rau thermal contraction yam tsis muaj fiber ntau. Kev coj ua ntawm kev teeb tsa yuav tsum suav nrog qhov ntsuas kub ntawm kev teeb tsa thiab kev ua haujlwm kub. Qhov tshwj xeeb ntawm optic cable txhais tau hais tias qhov ntsuas kub ntawm kev ua haujlwm, feem ntau -40℃rau +70℃rau sab nraum zoov cables.
Yam dab tsi txiav txim siab kho qhov muag cable khoov vojvoog specifications?
Yam tsawg kawg khoov vojvoog txwv txwv tsis pub fiber ntau puas los ntawm kev khoov ntau dhau. Thaum lub sij hawm installation (nyob rau hauv nro), cables feem ntau yuav tsum tau khoov radii ntawm 15-20 zaus cable txoj kab uas hla. Tom qab kev teeb tsa (tsis muaj qhov nro), qhov no txo qis rau 10-15 npaug ntawm txoj kab uas hla rau feem ntau tsim. Tighter khoov vojvoog specifications yuav tsum tau tshwj xeeb fiber designs (G.657 khoov-insensitive fibers) los yog cable kev tsim kho nrog txhim khu kev qha. Khoov tshaj qhov kev qhia tshwj xeeb ua rau muaj kev cuam tshuam ntau ntxiv, muaj peev xwm fiber ntau tawg, thiab kev cia siab rau lub sijhawm ntev degradation. Kev tsim kho yuav tsum ua kom haum raws li qhov khoov radii ntawm txhua qhov kev hloov pauv, sib cais cov ntaub ntawv, thiab cov ntsiab lus txiav tawm. Kev tuav cov kab hluav taws xob kho qhov muag kom zoo thaum lub sijhawm teeb tsa khaws cia fiber ntau kev ncaj ncees thiab ua kom muaj kev ua haujlwm ntev.
Yuav ua li cas kho qhov muag cable kuaj kom muaj kev ruaj ntseg zoo?
Kev ntsuam xyuas dav siv tau ua haujlwm ntawm optic cable ua ntej xa mus. Kev ntsuam xyuas qhov muag suav nrog kev ntsuas qhov txo qis ntawm kev ua haujlwm wavelengths, kho qhov muag rov qab los ntawm kev txheeb xyuas, thiab PMD tus cwj pwm rau ntev - daim ntawv thov thauj. Mechanical kuaj ntsuas lub zog tensile, crush resistance, cuam tshuam tsis kam, thiab khoov kev ua tau zoo. Ib puag ncig kev sim ntsuas cov qauv ntsuas rau qhov kub thiab txias, tiv thaiv ya raws, thiab kev laus simulation. Thaum lub sij hawm tsim khoom, inline ntsuam xyuas qhov ntsuas qhov ntsuas qhov ntev, thaum tiav cable dhau los ua pov thawj kev sim siv cov kev tswj nruj kom paub tseeb cov tswv cuab lub zog. OTDR kev ntsuam xyuas ntawm cov kab tiav tiav txheeb xyuas cov fiber ntau so lossis ntau dhau kev sib tw, ua kom txhua tus optic cable reel ua tau raws li cov lus qhia tshwj xeeb.
