PLC vs FBT - taub hau-rau- taub hau sib piv
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PLC splitters siv nti-raws li cov qauv siv hluav taws xob hluav taws xob hluav taws xob los faib cov teeb liab kho qhov muag nrog qhov sib txawv siab thoob plaws txhua qhov chaw nres nkoj, thaum FBT splitters siv cov tsoos fiber ntau fusion tapering thiab ua tau zoo tshaj plaws ntawm kev sib cais ntawm 1 × 4 lossis qis dua. |
Cov lus hauv qab no suav nrog txhua qhov parameter uas tseem ceeb rau cov neeg tsim qauv network. Cov ntaub ntawv qhia txog kev lag luam- qauv ntsuas ntawm 1310 nm thiab 1550 nm kev khiav hauj lwm wavelengths.
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Parameter |
PLC Splitter |
FBT Splitter |
Yeej |
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Cov txheej txheem tsim khoom |
Photolithography ntawm silica iav wafer (semiconductor) |
Phau ntawv fiber ntau fusion + tapering; cascade- sib sau ua ke saum 1 × 4 |
PLC |
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Insertion poob (1 × 4) |
~ 3.8 dB |
~ 7 dB |
PLC |
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Insertion poob (1 × 32) |
~ 10.5 dB |
~ 15+ dB |
PLC |
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Port uniformity |
Tsawg dua lossis sib npaug li 0.8 dB ntawm 1 × 32 |
Mus txog 1.5 dB ntawm 1 × 4; phem ntawm scale |
PLC |
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Wavelength ntau |
1260-1650nm (ntaub ntawv) |
850/1310/1550 nm xwb |
PLC |
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Max split ratio |
1 × 64 (ib nti) |
1×32 (cascaded; high failure >1×8) |
PLC |
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Ua haujlwm kub |
-40℃rau +85 degree |
−5℃rau +75 degree |
PLC |
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Kub- nyob ntawm qhov poob |
Tsawg heev - ruaj khov nyob rau hauv ntau yam |
Siab TDL - hloov qis dua 0℃tshwj xeeb |
PLC |
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Form factor |
Compact - 1 × 32 haum rau ib qho module |
4 × loj dua ntawm qhov sib npaug chaw nres nkoj suav |
PLC |
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Chav tsev nqi (1 × 2 rau 1 × 4) |
Siab dua pem hauv ntej |
20-40% pheej yig dua ntawm tus nqi qis |
FBT |
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Chav tsev nqi (1 × 8 thiab siab dua) |
Converges ces pheej yig dua |
Cascading nce nqi sai heev |
PLC |
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Teb tsis ua hauj lwm tus nqi |
<0.5% (no cascade joints) |
1–2% - txhua qhov kev sib koom ua ke yog ib qho kev pheej hmoo |
PLC |
Insertion poob thiab port uniformity - vim li cas tus lej tseem ceeb
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Insertion poob yog tus nqi kho qhov muag poob thaum lub teeb liab hla lub splitter. Kev poob qis qis khaws cia koj cov peev nyiaj txuas thiab ncaj qha txiav txim siab pes tsawg tus neeg rau npe ib qho chaw nres nkoj OLT tuaj yeem ua haujlwm. |
Txhua decibel ntawmpoob poobkev cawmdim extends usable fiber ncav cuag. Nyob rau hauv ib tug GPON network nrog ib tug raugpassive optical networktxuas pob nyiaj siv ntawm 28 dB, PLC 1 × 32 splitter siv 10.5 dB tawm 17.5 dB rau fiber ntau cable, connectors, thiab qhov poob ntu - piv rau tsuas yog 13 dB seem nrog FBT cascade.
Qhov teeb meem chaw nres nkoj tsis sib xws nrog FBT ntawm qhov ntsuas
Chaw nres nkoj - mus rau -port uniformitytxiav txim siab seb txhua tus neeg siv khoom puas tau txais cov teeb liab zoo sib npaug. FBT splitters ntawm 1 × 4 twb qhia txog 1.5 dB ntawm qhov sib txawv ntawm qhov chaw nres nkoj zoo tshaj plaws thiab qhov phem tshaj plaws - thiab qhov sib txawv nrog txhua theem cascaded. Hauv ibFTTHkev xa tawm, qhov no txhais tau hais tias cov neeg siv khoom tsis sib xws: cov tsev ntawm cov chaw nres nkoj tsis muaj zog pom ntau duantsis yuam kev tus nqi (BER)uas tsis pom qhov ua rau.
PLC technology tswj waveguide geometry ntawm qib photolithographic. Txhua qhov chaw nres nkoj pom txoj hauv kev optically zoo tib yam. Uniformity variation nyob qis dua 0.8 dB txawm nyob ntawm 1 × 32 - ib qho kev txwv los ntawm physics ntawm lub nti, tsis yog los ntawm kev sib dhos zoo.
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Tsawg dua lossis sib npaug li 0.8 dB PLC max uniformity variation (1 × 32) |
1.5 dB + FBT uniformity variation (1 × 4) |
1260-1650 nm PLC ua haujlwm wavelength ntau yam |
3 ib band Kev them nyiaj yug FBT wavelength |
Kub stability thiab kev xa tawm sab nraum zoov
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Rau kev xa tawm FTTH sab nraum zoov, cov txee saum huab cua, lossis ib qho kev teeb tsa qhov twg qhov kub thiab txias sib txawv, PLC splitters yog qhov yuav tsum tau xaiv - tsis yog qhov pom zoo xwb. |
Kub -nyob ntawm qhov poob (TDL)piav qhia ntau npaum li cas qhov kev hloov pauv hloov pauv thaum ua haujlwm kub hloov pauv. FBT splitters yog tsim los ntawm fusing thiab stretching iav fibers. Lub epoxy resin thiab silica tiv thaiv tube daim ntawv cog lus thiab nthuav dav ntawm tus nqi sib txawv dua li cov iav fused, qhia cov neeg kho tshuab kev ntxhov siab rau thaj tsam coupling thaum lub caij thermal cycling.
Cov txiaj ntsig tau zoo: FBT chav tsev uas ntsuas hauv spec ntawm 25℃ntawm lub rooj ntev zaum qhia tau tias ntsuas qhov poob siab dua ntawm −10 degree. Kev xa tawm huab cua hauv thaj av huab cua, hauv av- cov pedestals nyob rau lub caij ntuj sov kub siab tshaj 60℃, thiab ntug hiav txwv siab -cov av noo ib puag ncig tag nrho tsim cov xwm txheej uas FBT kev ua tau zoo degrades thiab cascade pob qij txha tuaj yeem txhim kho micro- tawg dhau sijhawm - feem ntau dhau los ntawm kev kuaj xyuas zoo thiab ua tsis tiav rau rau lub hlis.
PLC splitters nqa qhov ntsuaskev khiav hauj lwm kubntawm −40℃rau +85 degree, nrog TDL khaws cia rau qib tsis txaus ntseeg vim hais tias lub waveguide yog embedded nyob rau hauv ib tug silica iav nti uas tsis muaj fusion pob qij txha ua tsis tiav. ITU-T G.671 tus qauv thiab Telcordia GR-1221-CORE daim ntawv pov thawj kev ntseeg tau ob qho tib si yuav tsum muaj kev tsim nyog rau kev caij tsheb kauj vab - cov neeg muag khoom uas tsis tuaj yeem muab cov ntaub ntawv xeem tiag tiag yuav tsum tau kho nrog ceev faj.
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Daim ntawv yuav khoom:Thaum soj ntsuam cov neeg muab khoom, nco ntsoov thov Telcordia GR-1209-CORE thiab GR-1221-CORE daim ntawv pov thawj cov ntawv pov thawj - tsis yog nws tus kheej tshaj tawm ua raws. GR-1221 npog thermal cycling kev ntseeg tau. Ntsuas qhov poob qis thiab rov qab poob ntawm 1310 nm thiab 1550 nm. Tshawb xyuas connector kawg-ntsej muag ntawm 400 × magnification ua ntej ntim cog lus. |
Tus nqi sib piv - chav tsev nqi vs tag nrho cov nqi ntawm cov tswv
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FBT splitters raug nqi 20-40% tsawg dua PLC ntawm 1 × 2 rau 1 × 4 piv. Ntawm 1 × 8 thiab saum toj no, cov nqi sib txuas thiab rov qab - PLC yuav pheej yig dua vim FBT cascading ntxiv cov khoom, kev ua haujlwm, thiab ntev- cov nqi tsis ua haujlwm. |
Chav tsev nqi tsuas yog ib feem ntawm qhov sib npaug. Field tsis ua hauj lwm tus nqi ntawm 1–2% rau FBT xa mus rau hauv tsheb rolls ntawm USD 150–300 ib mus ntsib nyob rau hauv feem ntau cov lag luam - ua ntej accounting rau cov hloov khoom, subscription downtime, thiab SLA nplua. Ib qho 1,000-chaw nres nkoj FBT xa tawm ntawm 1 × 32 piv txheeb cais tsim 10-20 qhov ua tsis tiav hauv ib xyoos. Ib qho piv txwv PLC xa tawm tsim tsawg dua tsib.
Thaum FBT yog qhov kev xaiv nyiaj txiag zoo
FBT tseem tshuav tus nqi- siv tau nyob rau hauv cov xwm txheej tshwj xeeb: tswj cov chaw sab hauv tsev (lab lossis chav tsev khoom),splitting rationtawm 1 × 2 lossis 1 × 4 qhov twg cov thev naus laus zis tau ua pov thawj thiab paub tab, thiab cov ntawv thov uas yuav tsum muaj qhov tsis zoo tiag tiag -uniform lossis kev cai sib cais - piv txwv li, pub lub siab - fais fab router nrog rau qis - rhiab sensors ntawm tib lub optical tis network.
Thaum PLC yog qhov kev xaiv nyiaj txiag zoo
Rau ib qho kev xa tawm ntawm 1 × 8 lossis siab dua, kev teeb tsa sab nraum zoov lossis huab cua, txhua lub network khiavWDMlos yog triple-kev pabcuam ua si thoob plaws ntau lub wavelengths, thiab ib qho GPON lossis XGS-PON tsim lub hom phiaj ntev- kev cia siab rau lub sijhawm, PLC muab tus nqi qis dua ntawm cov tswv cuab. Ntawm 1 × 16 thiab siab dua, PLC tseem pheej yig dua ntawm chav tsev nqi vim tias cascading FBT units yuav tsum muaj ntau yam khoom thiab ntim cov haujlwm.
Hom splitter twg yog qhov zoo rau koj daim ntawv thov?
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Xaiv PLC rau FTTH, GPON, XGS-PON, WDM, cov nroj tsuag sab nraum zoov, lossis ib qho kev sib cais saum toj 1 × 4. Xaiv FBT rau qis- qhov sib faib sab hauv tsev uas tus nqi yog thawj qhov txwv thiab ib puag ncig tswj tau tag nrho. |
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Siv Case |
Pom zoo |
Yog vim li cas |
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FTTH / GPON / XGS-PON |
✓ PLC |
High uniformity, broadband λ, 1 × 32/64 scaling |
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5G fronthaul / midhaul |
✓ PLC |
Ntau -wavelength CWDM txhawb nqa qhov tseem ceeb |
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Data center fiber faib |
✓ PLC |
Qhov chaw ceev thiab chaw nres nkoj uniformity yuav tsum tau |
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Sab nraum zoov aerial / pedestal |
✓ PLC |
Qhov ntsuas kub ntawm −40℃rau +85℃yuav tsum tau |
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Lab / test bench 1 × 2 |
FBT |
Tus nqi qis tshaj, tswj ib puag ncig, adjustable piv |
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CATV kais (tsawg piv, sab hauv tsev) |
FBT |
Kev cai piv muaj, pov thawj technology |
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1 × 8 rau 1 × 32 (ib puag ncig) |
✓ PLC |
Unit nqi converges; kev ntseeg tau qhov sib txawv decisive |
Cov lus nug uas nquag nug
Q: Puas yog PLC splitter zoo dua FBT?
A: Rau feem ntau daim ntawv thov saum toj no 1 × 4 cais piv, yog. PLC splitters xa cov kev poob qis qis, qhov chaw nres nkoj zoo dua qub, qhov dav dua qhov dav (1260-1650 nm), thiab qhov kub siab dua (−40℃rau +85℃). FBT khaws tus nqi kom zoo dua ntawm 1 × 2 thiab 1 × 4 qhov sib piv hauv cov cheeb tsam sab hauv tsev.
Q: Dab tsi yog qhov sib faib siab tshaj plaws rau PLC splitter?
A: Txheem PLC splitters ncav cuag 1 × 64 ntawm ib nti. FBT splitters ncav cuag 1 × 32 los ntawm kev sib koom ua ke, tab sis qhov ua tsis tiav nce siab tshaj 1 × 8 vim tias txhua qhov kev sib koom ua ke yog qhov tsis txaus ntseeg.
Q: Dab tsi wavelengths PLC splitter txhawb?
A: PLC splitters ua haujlwm thoob plaws 1260-1650 nm, npog tag nrho cov qauv xov tooj: O, E, S, C, thiab L bands. FBT splitters raug txwv rau peb lub qhov rais ruaj khov: 850 nm, 1310 nm, thiab 1550 nm.
Q: FBT splitters puas tuaj yeem siv sab nraum zoov?
A: FBT splitters raug ntsuas rau −5℃rau +75 degree, uas yog tsis txaus rau saum huab cua los yog sab nraum zoov pedestal deployments nyob rau hauv feem ntau huab cua. PLC splitters ntsuas −40℃rau +85℃yuav tsum tau teev tseg rau sab nraum cov ntawv thov cog.
Q: Vim li cas FBT splitter uniformity tsis zoo dua ntawm kev sib cais ntau dua?
A: FBT splitters saum 1 × 4 yog sib sau ua ke los ntawm cascading ntau 1 × 2 fused fiber ntau theem. Txhua theem qhia nws tus kheej lub zog variation, thiab cov variances compound los ntawm cascade. PLC splitters phua lub teeb rau ntawm ib lub nti qhov twg geometry yog txhais photolithographically, ua kom zoo ib yam chaw nres nkoj tsis hais txog ntawm kev sib cais.
Q: Ntawm qhov sib faib li cas PLC ua pheej yig dua FBT?
A: Chav tsev cov nqi sib txuas ib puag ncig 1 × 8 thiab PLC ua qhov qis dua - tus nqi xaiv los ntawm 1 × 16 txuas ntxiv mus, vim tias FBT cascading yuav tsum muaj ntau yam khoom thiab kev ntim khoom ntxiv. Thaum tag nrho cov nqi ntawm cov tswv cuab raug txiav txim siab - suav nrog cov tsheb thauj khoom ntawm USD 150–300 txhua - PLC feem ntau qhia kev lag luam zoo dua txawm tias ntawm 1 × 4.
Xaus: hu txoj cai rau koj lub network
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Rau txhua qhov kev xa tawm fiber ntau ntawm 1 × 8 lossis siab dua qhov sib faib, kev teeb tsa sab nraum zoov, lossis ib qho kev sib txuas ua haujlwm ntau -wavelength kev pabcuam, PLC splitters xa cov kev nkag siab zoo dua, kev tsis sib xws, qhov kub thiab txias, thiab ntev -cov nqi tag nrho ntawm cov tswv cuab. FBT tseem yog qhov kev xaiv kev lag luam nkaus xwb rau 1 × 2 lossis 1 × 4 kev sib cais hauv kev tswj hwm hauv tsev. |
Kev xaiv ntawm PLC thiab FBT tsis yog kev sib cav tswv yim feem ntau - nws yog ib qhotag nrho cov nqi ntawm cov tswv cuab suav. FBT splitters txuag 20-40% ntawm chav tsev nqi ntawm 1 × 2 thiab 1 × 4. Ntawm txhua qhov sib cais saum toj no, PLC yog qhov sib tw lossis ntaus FBT ntawm tus nqi tsev thaum xa cov txiaj ntsig zoo dua, kev sib luag, thiab kev tiv thaiv ib puag ncig.
Ib qho kev ua tsis tiav ntawm 1-2% suab me me. Hauv 1,000- chaw nres nkoj xa tawm, uas yog 10-20 lub tsheb thauj khoom ib xyoos ntawm USD 150-300 txhua - ua ntej suav nrog cov neeg siv tsis txaus siab, kev nplua SLA, thiab tus nqi npe nrov ntawm kev pabcuam tsis tau piav qhia. PLC splitters, ua rau ntawm ib tug semiconductor nti uas tsis muaj cascade pob qij txha ua tsis tau tejyam, tshem tawm cov tu tus Tsov tus tw tag nrho.
Rau cov kws tsim qauv tsim FTTH, GPON, XGS-PON, lossis 5G fronthaul tes hauj lwm: qhia PLC los ntawm qhov pib, thov Telcordia GR-1221-CORE cov ntaub ntawv xeem los ntawm cov neeg muab khoom, thiab peev nyiaj qhov sib txawv ntawm cov tsheb rolls koj yuav tsis tas yuav ua. Cov lej kaw sai sai.
