Ib qho FTTH nco cable tsim cov kev sib txuas ntawm lub cev kawg ntawm qhov chaw faib khoom fiber ntau thiab qhov chaw kho qhov muag ntawm lub tsev, chaw ua haujlwm lossis lwm qhov chaw ntawm cov neeg siv khoom. Txawm hais tias seem no feem ntau luv dua li cov khoom siv los yog cov khoom xa tawm, nws feem ntau dhau los ntawm qhov xav tau tshaj plaws ntawm txoj kev: nqaim conduits, nruj phab ntsa fab, lub tsev nkag, dav hlau spans, txiav lub thawv thiab tiav cov khoom sab hauv.
Cov kab hluav taws xob kom raug yuav tsum ua raws li txoj hauv kev, khoov tej yam kev mob, tensile load, hluav taws kub- kev ruaj ntseg, huab cua raug thiab txoj kev txiav. Ib qho kev sib tw tsis zoo tuaj yeem ua rau lub sijhawm txhim kho, nce kho qhov muag poob thiab tsim kom tsis txhob muaj kev saib xyuas ua haujlwm. Phau ntawv qhia no piav qhia yuav ua li cas xaiv, nruab, sim thiab qhia meejFTTH poob cable khoomrau sab hauv tsev, sab nraum zoov, aerial thiab duct daim ntaub ntawv.
FTTH Drop Cable yog dab tsi?
Ib qho FTTH nco cable yog ib qho kev cog lus fiber ntau optic siv nyob rau hauv ntu kawg ntawm kev nkag mus rau lub network. Nws nquag txuas lub thawv fiber ntau, lub thawv davhlau ya nyob twg lossis kaw rau cov neeg siv khoom, qhov hluav taws xob kho qhov muag lossis ONT.
Ib txoj hauv kev yuav muaj xws li:
- cov kav dej hauv tsev thiab phab ntsa;
- txhim kho txoj kev hauv tsev thiab kev hloov pauv;
- ncej- mus rau- tsim lub dav hlau dav;
- underground ducts los yog faus qhov chaw nkag;
- sab nraum zoov- mus rau- cov ntsiab lus nkag sab hauv tsev;
- cov thawv ntim khoom, cov tais sib txuas thiab cov khoom siv kho qhov muag.
Drop cable tsis yog xaiv los ntawm fiber ntau suav lossis nqe. Nws tus ntoo khaub lig-section, tus tswv cuab lub zog, cov ntaub qhwv, hom fiber ntau thiab txoj kev txiav tawm tag nrho cuam tshuam rau kev teeb tsa thiab kev ua haujlwm ntev -.
Yuav Ua Li Cas Fiber Optic Drop Cable Ua Haujlwm?
Cov fiber ntau optical nqa lub teeb los ntawm lub iav core puag ncig los ntawm cladding. Cov txheej txheem tiv thaiv, buffers, cov tswv cuab muaj zog thiab lub tsho sab nrauv tiv thaiv cov fiber ntau los ntawm kev khoov, rub, puas, ya raws thiab ib puag ncig raug.
| Cheebtsam | Main Function |
|---|---|
| Optical fiber ntau | Nqa lub teeb liab optical. |
| Thawj txheej los yog tsis | Tiv thaiv cov iav fiber ntau los ntawm kev puas tsuaj thiab micro-bending. |
| Cov tswv cuab muaj zog | Txhawb tensile load thaum lub sij hawm installation thiab kev pab cuam. |
| Sab nrauv | Muab kev puas tsuaj, nplaim taws, UV, ya raws lossis huab cua tiv thaiv raws li tus qauv tsim. |
| Optional messenger los yog tracing hlau | Txhawb nqa aerial installation lossis enables nrhiav tau txoj kev. |
FTTH Drop Cable vs Cat6 Cable, Distribution Fiber thiab Wireless Access
| Cov khoom sib piv | FTTH Drop Cable | Cat6 lub Cat6A | Distribution Optical Cable | Wireless Access |
|---|---|---|---|---|
| kis nruab nrab | Feem ntau ib leeg - hom optical fiber | Copper twisted khub | Multi- fiber ntau optical cable | Xov tooj cua teeb liab |
| Lub luag haujlwm tseem ceeb | Kawg - mais fiber ntau txuas | Local Ethernet cableing | Feeder, nraub qaum lossis faib network | Nkag mus yam tsis muaj lub cev cov neeg siv khoom siv cable |
| Installation profile | Me me thiab haum rau tsev - txoj kev nkag | Yooj yim rau kev sib txuas hauv zos | Loj dua thiab tsim los rau kev faib khoom network | Nyob ntawm qhov kev pab cuam, spectrum thiab cuam tshuam |
| EMI raug | Kev tiv thaiv rau electromagnetic cuam tshuam | Tej zaum yuav cuam tshuam los ntawm electromagnetic cuam tshuam | Kev tiv thaiv ntawm qib optical fiber | Yuav cuam tshuam los ntawm phab ntsa, cuam tshuam thiab congestion |
| Zoo tshaj plaws | FTTH cov neeg siv khoom sib txuas | Kev sib txuas LAN hauv ib qho chaw | Ntev los yog siab dua -fiber- suav cov seem hauv network | Ib ntus, txawb lossis tsis muaj - txuas txuas |
Cov thev naus laus zis no ua haujlwm sib txawv. Hauv fiber ntau-rau-- hauv tsev network, nco cable feem ntau yog qhov siv tau zoo tshaj plaws rau qhov kev sib txuas kho qhov muag kawg vim nws muab cov qauv sib txuas nrog kev sib kis tau zoo.
Yuav Ua Li Cas Xaiv Txoj Cai FTTH Drop Cable
1. Xaiv qhov Optical Fiber
Khoov-sensitive ib leeg- hom fiber ntau yog siv nyob rau hauv FTTH txoj kev vim hais tias cov neeg siv cables feem ntau dhau los ntawm cov kav dej me me, cov kaum phab ntsa thiab cov thawv txiav tawm. Cov yam ntxwv ntawm khoov-insensitive fiber yog them los ntawmITU-T Kev Pom Zoo G.657, thaum cov pa ib zaug - hom fiber ntau yog them los ntawmITU-T Kev Pom Zoo G.652.
| Hom Fiber | Kev siv yam | Kev xaiv Note |
|---|---|---|
| G.652D | Txoj kev nrog tswj khoov | Ib qho kev xaiv siv tau qhov twg txoj kev thiab qhov tsawg kawg nkaus khoov vojvoog yog tswj tau zoo. |
| G.657A1 | Kev nkag mus rau sab hauv thiab sab hauv | Txhim kho khoov kev ua tau zoo rau ntau yam kev siv FTTH. |
| G.657A2 | Nthuav sab hauv tsev txoj kev thiab cov thawv compact | Feem ntau xaiv thaum xav tias yuav khoov nruj dua. Tshawb xyuas qhov muajG.657A2 fiber ntau specificationtiv thaiv cov ntaub ntawv cable. |
| G.657B3 | nruj heev los yog tsawg- pom kev sab hauv tsev | Muab kev khoov siab dua rau cov ntawv thov tshwj xeeb. Paub meej tias kev sib raug zoo thiab qhov yuav tsum tau ua ua ntej xaivG.657B3 fiber ntau. |
G.657A2 tsis yog qhov kev xaiv zoo tshaj plaws rau txhua qhov project, thiab G.652D yuav tsum tsis txhob raug tso tseg yam tsis tau tshuaj xyuas txoj hauv kev. Sib piv khoov vojvoog, kev khiav hauj lwm wavelength, compatibility, cable tsim thiab nqi. Rau txoj kev txheem nrog kev tswj khoov, aG.652D ib - hom fiber ntaukev daws kuj tseem yuav tsim nyog.
2. Xaiv Tus Tswv Cuab Zog
| Strength Member | Qhov zoo | Kev txwv | Daim ntawv thov |
|---|---|---|---|
| FRP | Tsis yog-hlau, hnav, corrosion-resistant thiab hluav taws xob rwb thaiv tsev | Lub zog thiab tensile ntsuas sib txawv raws li tus qauv tsim | Txoj hauv kev hauv tsev, qhov chaw muaj hluav taws xob tsis zoo thiab tsis yog - cov qauv siv hlau hlau |
| Hlau hlau | Kev txhawb nqa siab tensile thiab kev siv nyiaj txiag | Kev coj tus kheej thiab ua raws li qhov project hauv av lossis hluav taws xob - cov kev xav tau ntawm kev nyab xeeb | Tswj txoj kev uas cov khoom siv hlau tso cai |
| Aramid xov paj | Flexible, hnav thiab tsis yog-hlau | Feem ntau cov khoom siv ntau dua | Round sab hauv tsev cables, thaj cords thiab hloov tau yooj yim sib dhos |
| Xov tooj cua | Muab kev txhawb nqa dav hlau | Span, sag, kho thiab hluav taws xob tej yam kev mob yuav tsum tau soj ntsuam | Ncej luv- mus rau- tsim lub dav hlau poob |
FRP tuaj yeem txo cov kab hluav taws xob hauv cov kab hluav taws xob, tab sis nws tsis hloov hluav taws xob ua tiav - kev tiv thaiv lossis kev tsim hauv av. Rau kev tsim kho huab cua, ntsuas tag nrho txoj kev, kho vajtse, lub zog hluav taws xob nyob ze thiab cov cai hauv zos.
3. Xaiv lub tiaj, puag ncig lossis tus kheej-Txhawb kev tsim kho
- Npauj npaim los yog tiaj tus poob cablemuab cov fiber ntau rau hauv nruab nrab nrog cov tswv cuab muaj zog ntawm ob sab. Nws yog compact, yooj yim rau sawb thiab dav siv rau sab hauv phab ntsa lossis txoj kev hauv tsev. Directional dabtsi yog khoov thiab twisting yuav tsum tau tswj.
- Round poob cablemuab kev sib npaug ntau dua kev tuav hauv txoj hauv kev nrog ntau qhov kev hloov pauv ntawm kev coj ua. Nws tuaj yeem yooj yim rub los ntawm cov kav dej thiab muaj txiaj ntsig zoo rau sab hauv- txoj kev hloov pauv sab nraud. Tshawb xyuas qhov muajsab hauv- sab nraum zoov puag ncig poob cabletsim thaum lub voj voog cable profile yog nyiam.
- Tus kheej -txhawb cablesuav nrog tus neeg xa xov lossis cov qauv txhawb nqa rau lub dav hlau luv luv. Lub cable yuav tsum tau xaiv los ntawm cov ntsuas tensile load, ncua, sag, cua raug, installation hardware thiab kub ntau yam. Atus kheej-txhawb npauj npaim coj- hauv cableyog ib qho kev xaiv rau ncej-rau- tsim txoj kev nkag.
- Cov kab hluav taws xobyog tsim los rub los ntawm kev tiv thaiv hauv av los yog lub tsev ducts. Kev rub quab yuam, kev sib txhuam, dej raug thiab txoj kev nrhiav kom tau yuav tsum tau xav txog. Yog tias lub tiaj tus qauv tsim nyog, tshuaj xyuas aduct drop butterfly cable.
4. Xaiv Tight-Buffered lossis Loose-Tube Protection
| Qauv | Main Advantage | Daim ntawv thov |
|---|---|---|
| Tight-buffed | Yooj yim stripping thiab txiav | Sab hauv tsev FTTH, patching thiab ceev teb nkag |
| Loose-tub | Kev sib cais zoo dua los ntawm kev hloov pauv kub thiab kev ntxhov siab sab nraud | Sab nraum zoov, duct lossis ib puag ncig hnyav dua |
| Semi- nruj lossis yooj yim- sawb | Sib npaug tiv thaiv nrog kev nkag teb chaws | Installer{0}} tsom rau FTTH cable tsim |
5. Xaiv cov ntaub ntawv Sheath
| Sheath Material | Cov yam ntxwv tseem ceeb | Kev siv yam |
|---|---|---|
| LSZH | Tsawg- haus luam yeeb, halogen-dawb formulation nrog nplaim taws- kev xaiv ua tau zoo | Sab hauv txoj kev hauv tsev, cov tsev nyob thiab cov pej xeem sab hauv tsev uas tau teev tseg |
| PVC | Flexible thiab economical | Kev siv sab hauv tsev uas tso cai los ntawm cov cai hauv zos |
| PE los yog HDPE | Moisture thiab huab cua tsis kam | Sab nraum zoov, duct thiab aerial applications |
| UV-resistant dub PE lossis HDPE | Txhim kho kev tiv thaiv mus ntev - raug tshav ntuj | Sab nraum zoov nthuav tawm txoj kev |
Tsis txhob cia siab rau cov khoom npe ib leeg. Paub meej tias cov nplaim taws, tiv thaiv UV, qhov kub thiab txias, phab ntsa tuab thiab cov ntaub ntawv ua raws li cov ntaub ntawv cable. Rau kev xaiv sab hauv tsev dav dua, sib piv covSab hauv tsev FTTx fiber ntau optic cablentau.
Common FTTH Drop Cable Hom
| Hom | Cov txiaj ntsig tseem ceeb | Tej yam txwv | Zoo tshaj -Fit Scenario |
|---|---|---|---|
| Npauj Npaim Kab | Compact thiab yooj yim rau strip | Directional dabtsi yog khoov yuav tsum tau tswj | Sab hauv phab ntsa, txoj kev hauv tsev thiab tsev - txoj kev nkag |
| Round poob cable | Balanced bending thiab conduit tuav | Tej zaum yuav xav tau kev npaj ntau dua li ib txoj kab ncaj nraim | Conduits thiab sib xyaw hauv tsev - sab nraum txoj kev |
| Tus kheej - txhawb nqa dav hlau cable | Integrated kev them nyiaj yug rau luv luv spans | Yuav tsum tau span, sag thiab kho vajtse tsim | Ncej-rau- kev teeb tsa hauv tsev |
| Toneable poob cable | Hlau tracing element pab nrhiav txoj hauv kev | Qhia txog cov khoom siv hluav taws xob | faus los yog duct txoj kev yuav tsum tau tshawb pom yav tom ntej |
| Ua ntej- txiav tawm cable | Fast plug-thiab- txuas kev teeb tsa | Tsau ntev thiab kev tiv thaiv connector xav tau kev npaj | Kev xa tawm sai, kho thiab kev teeb tsa raws li tus qauv |
| Invisible optical cable | Tsawg pom kev cuam tshuam nyob rau hauv tiav interiors | Tsawg mechanical kam rau ua dua hnyav dua cov qauv siv cable | Retrofit txoj kev uas zoo li tseem ceeb |
FTTH Drop Cable Xaiv Flow
Kauj Ruam 1: Txhais Txoj Kev
Hauv tsev nkaus xwb:ua ntej khoov kev ua tau zoo, nplaim taws yuav tsum tau thiab yooj yim routing.
Sab nraum zoov nthuav tawm:xaiv huab cua- thiab UV- tiv taus cov ntaub.
Huab cua:siv tus kheej ntsuas tus kheej- txhawb nqa qauv thiab txheeb xyuas qhov ua tiav cov qauv dav hlau. Saib covaerial fiber ntau optic cableqeb rau kev tsim kho sab nraum zoov.
- Cov kav dej los yog hauv av:tshuaj xyuas rub load, dej raug, crush resistance thiab txoj kev-nrhiav xav tau.
-
Kauj Ruam 2: Txheeb xyuas cov xwm txheej khoov
- Tswj khoov: G.652D, G.657A1 lossis G.657A2 tej zaum yuav tsim nyog nyob ntawm lub cable.
- Cov kaum sab hauv tsev ntom ntom: G.657A2 feem ntau yog qhov kev xaiv zoo dua.
- nruj heev los yog tsawg- pom kev routing: xav txog qhov sib xws G.657B3 tsim.
-
Kauj Ruam 3: Tshawb xyuas cov kev xav tau ntawm kev siv tshuab
- Luv sab hauv tsev rub: txheem ca los yog puag ncig cable.
- Ntev conduit rub: puag ncig lossis txhawb kev tsim kho nrog kev txheeb xyuas qhov ntsuas tensile.
- Aerial span: tus kheej -txhawb cable nrog pom zoo clamps thiab ncua txwv.
- Hluav taws xob rhiab heev: xav txog ib tug tag nrho uas tsis yog -cov qauv hlau.
-
Kauj Ruam 4: Xaiv Txoj Kev Txiav Txim Siab
- Fusion splicing rau cov qauv txuas mus tas li.
- Mechanical splicing rau xaiv kho los yog tej yaam num yam tsis muaj fusion khoom.
- Factory connectorization rau kev xa mus sai. Aua ntej -connectorized poob cabletuaj yeem txo qhov kev txiav tawm ntawm thaj chaw ua haujlwm thaum cov kab ntev tau npaj kom raug.
-
Kauj Ruam 5: Txhais Cov Kev Txais Txais
- connector hom thiab polish;
- qhov siab tshaj plaws txuas poob lossis qhov project optical pob nyiaj siv;
- yuav tsum tau kuaj wavelength;
- OLTS, OTDR lossis kev kuaj pom pom;
- txoj kev, splice thiab xeem -cov ntaub ntawv sau cia.
Sab Hauv Tsev vs Sab nraum zoov FTTH Drop Cable
| Kev xav tau | Sab Hauv Tsev Drop Cable | Sab nraum zoov Drop Cable |
|---|---|---|
| Sheath | LSZH, PVC lossis lwm yam khoom siv sab hauv tsev pom zoo | PE lossis HDPE nrog rau huab cua thiab UV tiv thaiv |
| Hluav taws ua haujlwm | Feem ntau yog qhov tseem ceeb hauv cov tsev | Qhov project- nyob ntawm |
| Huab cua raug | Nquag txwv | Los nag, tshav ntuj, hloov kub thiab noo noo yuav yog qhov tseem ceeb |
| Kev tsim kho tshuab | Tsom ntsoov rau khoov, crushing thiab routing | Tej zaum yuav xav tau kev txhawb zog, kev txhawb nqa tub txib lossis kev thaiv dej |
| Hom kev | Conduit, phab ntsa, txoj kev hauv tsev thiab cov neeg siv khoom thaj chaw | Aerial, duct, sab nrauv phab ntsa thiab sab nraum zoov - mus rau - kev hloov hauv tsev |
| Kev pheej hmoo loj | Tight khoov, kho tsis zoo thiab connector contamination | UV aging, dej ingress, nro, cua thiab khoom siv tsis haum |
FTTH Drop Cable Installation Guide
1. Tshawb xyuas Txoj Kev
Ua ntej rub lub cable, paub meej tias qhov nkag nkag, qhov ntev ntawm txoj kab, qhov loj me, tig cov ntsiab lus, phab ntsa nkag, faib tawm - lub thawv txoj hauj lwm, lub zog - cable cais, compression txaus ntshai thiab qhov chaw rau kev pab cuam slack. Ib txoj kev qhia meej meej txo cov kev sib txuas uas tsis tsim nyog thiab cov neeg kho tshuab kev ntxhov siab.
2. Txheeb xyuas cov Cable thiab cov cuab yeej
Xyuas cov qauv cable, suav fiber ntau, fiber ntau, connector polish, sheath khoom thiab ntsuas tensile load ua ntej installation. Npaj kom raug rub tuav, cable lubricant qhov twg tso cai, stripping cov cuab yeej, tu cov cuab yeej, splice cov cuab yeej thiab cov cuab yeej kuaj. Rau kev nthuav dav kev teeb tsa, saib cov lus qhia ntawmYuav ua li cas rau nruab fiber optics cable.
3. Tswj Khoov Radius
Ua raws li cov ntaub ntawv cable rau yam tsawg kawg nkaus dynamic dabtsi yog khoov vojvoog thaum lub sij hawm installation thiab yam tsawg kawg nkaus static dabtsi yog khoov vojvoog tom qab installation. Tsis txhob quab yuam lub cable nyob ib ncig ntawm cov ces kaum ntse, staple los ntawm lub sheath, crushed nyob rau hauv lub rooj tog los yog cia ntev ntev nyob rau hauv nruj random coils.
4. Tswj rub lub zog thiab twist
Rub los ntawm tus tswv cuab lub zog los yog pom zoo rub tuav. Tsis txhob cia li jerks, sidewall siab thiab cable twisting. Tsis txhob tshaj qhov ntsuas qhov ntsuas tensile load. Cia cov kev pabcuam kev sib koom ua ke tsis tas yuav tsim ib qho me me - txoj kab uas hla.
5. Tiv thaiv Tsev-Kev nkag thiab lub thawv hloov pauv
- Siv lub tes tsho los yog bushings ntawm phab ntsa nkag.
- Ruaj ntseg lub cable los yog lub zog cov tswv cuab, tsis yog cov liab qab fiber ntau.
- Muab strain nyem ua ntej cov fiber nkag mus rau hauv lub tais los yog qhov chaw txuas.
- Khaws qhov khoov tswj ntawm lub thawv nkag.
- Seal sab nraum lub thawv raws li lawv cov qib tiv thaiv.
- Sau npe rau ob qho kawg thiab sau txoj kev.
6. Tiv thaiv ua ntej-Terminated Connectors
Siv lub qhov muag rub lossis lub tes tsho tiv thaiv pom zoo rau kev sib dhos. Tsis txhob rub ncaj qha rau ntawm lub cev txuas. Khaws qhov ntev tshaj plaws nyob rau hauv qhov chaw tiv thaiv nrog lub vojvoog khoov tswj. Rau kev sib txuas cov neeg siv khoom sib dhos, sib piv cov muajFTTH poob cable thaj qaum.
Splicing thiab Connector Options
Fusion Splicing
Fusion splicing feem ntau yog siv rau kev sib txuas mus tas li thaum cov cuab yeej ntsuas ntsuas thiab cov kws tshaj lij muaj kev cob qhia. Nws tuaj yeem muab kev ua haujlwm ruaj khov kho qhov muag, tab sis qhov tshwm sim yog nyob ntawm qhov zoo ntawm qhov zoo, kev huv, kev tiv thaiv splice thiab cov cuab yeej siv.
Mechanical Splicing
Mechanical splicing tej zaum yuav siv tau rau kev xaiv kho los yog tej yaam num me yam tsis muaj fusion splicer. Kev ua tau zoo nyob ntawm kev npaj fiber ntau, kev sib tw, kev ntsuas -cov khoom sib txuam thiab ib puag ncig. Cov txheej txheem yuav tsum raug soj ntsuam los ntawm qhov project qhov kev ntseeg tau thiab kev lees paub.
Factory-Pre-Terminated Cable
Factory termination txo qhov kev sib txuas ua haujlwm thiab tuaj yeem txhim kho qhov sib xws. Nws yog tshwj xeeb tshaj yog pab tau rau cov qauv ntev thiab kho sai. Lub installer yuav tsum tseem tiv thaiv lub connector thaum rub tawm, tshuaj xyuas lub ntsej muag kawg thiab tswj cov kab ntau dhau kom raug.
Yuav Tswj Optical Poob li cas
Insertion Loss
Insertion poob yog lub zog kho qhov muag poob los ntawm kev sib txuas cable, connectors thiab splices. Feem ntau ua rau poob ntau dhau muaj xws li:
- qias neeg connector kawg ntsej muag;
- tsis zoo cleaves los yog splices;
- nruj khoov los yog compressed cable;
- puas fiber ntau los yog ferrules;
- tsis ncaj ncees lawm connector mating;
- ntau cov ntsiab lus txuas.
Tsis txhob siv universal pass/fail number yam tsis muaj ntsiab lus. Qhov kev pom zoo poob yog nyob ntawm lub network optical pob nyiaj siv, wavelength, connector suav, splice suav, cable ntev, cov khoom siv margin thiab tus neeg teb xov tooj specification.
Rov Los Loss thiab Reflectance
Rov qab poob piav qhia txog lub zog kho qhov muag hauv qhov txuas. Kev xa rov qab siab dua- cov txiaj ntsig poob feem ntau qhia qis dua. Xaus- ntsej muag txhuam, kev huv huv ntawm cov khoom sib txuas, kev puas tsuaj ferrule thiab cov khoom sib txuas tsis sib haum tuaj yeem cuam tshuam rau kev ua haujlwm ntawm kev xav.
APC vs UPC
| Txuas | Xim Xim | Xaus -Lub ntsej muag Geometry | Daim Ntawv Thov Kev Sib Tham |
|---|---|---|---|
| APC | Ntsuab | Angled lub cev sib cuag | FTTH thiab PON txuas qhov uas tsis tshua muaj kev cuam tshuam tseem ceeb |
| UPC | Xiav | Ultra lub cev tiv tauj | Cov ntaub ntawv dav dav thiab kho qhov muag txuas |
Cov kev cai xim muaj ntau tab sis yuav tsum tsis yog tib txoj kev qhia. Paub meej tias lub connector marking thiab specification. APC thiab UPC connectors yuav tsum tsis txhob sib txuas ncaj qha nyob rau hauv ib qho kev sib txuas ntau lawm vim qhov kawg - ntsej muag geometries tsis sib xws, uas tuaj yeem ua rau kom poob thiab xav txog.
Connector Kev Tshuaj Xyuas thiab Tu
Tshawb xyuas thiab ntxuav cov connectors ua ntej mating. Khaws cov kaus mom plua plav ntawm cov chaw nres nkoj tsis siv, tsis txhob kov ferrule kawg lub ntsej muag thiab hloov cov khoom sib txuas puas. Ua raws li cov txheej txheem tshuaj xyuas thiab ntxuav tau pom zoo ntau dua li rov muab cov khoom tsis huv uas tsis paub. Saib cov lus qhia ntxaws ntxaws ntawmntxuav fiber ntau optic connectors yam xyuam xim.
OTDR thiab OLTS Txais Kev Xeem
Kev ntsuam xyuas yuav tsum tau txhais ua ntej kev teeb tsa kom tus neeg cog lus paub tias cov cuab yeej siv twg, siv txoj hauv kev, wavelengths thiab cov ntaub ntawv yuav tsum tau ua. Lub koom haum Fiber Opticonline fiber optics siv phau ntawv qhiamuab cov ntaub ntawv kev kawm dav dav rau kev teeb tsa, kev ntxig- tsis siv neeg kuaj thiab siv OTDR.
| Txoj kev | Lub hom phiaj | Kev siv zoo tshaj plaws |
|---|---|---|
| Kev tshuaj xyuas qhov muag | Xyuas routing, kho, khoov tswj thiab connector mob | Basic kev ntsuam xyuas |
| VFL | Pab txheeb xyuas qhov tawg, khoov hnyav lossis kev ua haujlwm yuam kev hauv cov txuas luv | Kev daws teeb meem hauv teb |
| OLTS | Kev ntsuas xaus-rau- xaus qhov muag poob | Kev lees txais tawm tsam qhov txuas tau hais tseg - tsis pub dhau |
| OTDR | Nrhiav qhov cuam tshuam thiab tsis yog - cov xwm txheej cuam tshuam ntawm txoj kev | Qhov chaw txhaum, kev tshuaj xyuas qhov xwm txheej thiab cov ntaub ntawv |
- Cov ntaub ntawv lees paub yuav tsum muaj xws li:
- cable txoj kev thiab ntsia ntev;
- hom fiber ntau thiab cable qauv;
- connector hom thiab polish;
- splice thiab txuas qhov chaw;
- kuaj wavelength thiab siv txoj kev;
- ntsuas qhov poob;
- OTDR taug qab qhov twg yuav tsum tau;
- ntsuas ntsuas, installer thiab xeem hnub.
- Rau qhov project- qib peev xwm thiab cov ntaub ntawv xaiv, tshuaj xyuasfiber optic cable kuajpeev txheej.
Feem ntau FTTH Drop Cable Failures thiab Troubleshooting
| Cov tsos mob | Ua Tau | Pom zoo xyuas |
|---|---|---|
| Siab ntxig poob | Cov khoom siv qias neeg, tsis zoo splice, ntse khoov lossis puas fiber ntau | Tshawb xyuas thiab ntxuav cov connectors, xyuas txoj hauv kev thiab sim cov txheej xwm splice |
| Tsis ruaj tsis khov ONT teeb liab | Intermittent connector tiv tauj, khoov lossis puas lub ntsej muag kawg | Txheeb xyuas mating, tshuaj xyuas lub ntsej muag kawg thiab tshem tawm txoj kev ntxhov siab |
| Sudden kev pabcuam tsis ua haujlwm | Fiber so, crushed cable los yog connector puas | Siv VFL lossis OTDR los nrhiav qhov xwm txheej |
| Siab xav | APC / UPC mismatch, tsis zoo polish los yog ferrule puas | Paub meej hom connector thiab tshuaj xyuas lub interface |
| Sab nraum daim tawv nqaij laus | Cov khoom tsis raug, UV raug lossis dej nkag | Hloov cov ntu nrog cov kab hluav taws xob sab nraum zoov kom raug |
| Aerial sag los yog txav | Kev ncua tsis raug, nro lossis kho vajtse | Tshawb xyuas cov qauv siv dav hlau thiab pom zoo fittings |
| Kev saib xyuas nyuaj | Cov ntawv uas ploj lawm, cov ntaub ntawv taug kev lossis cov ntaub ntawv xeem | Hloov kho daim ntawv lo thiab tsim ib qho li -cov ntaub ntawv tsim |
Pib nrog pom, tsawg- kev pheej hmoo kuaj ua ntej hloov tag nrho cable. Connector contamination, tight storage loops and poor strain relief are common causes of subscriber-link problems.
Daim ntawv teev tag nrho -Lifecycle Checklist
Tsim theem
- Txhais sab hauv tsev, sab nraum zoov, huab cua lossis cov kav dej.
- Qhia meej hom fiber ntau, connector polish thiab network optical pob nyiaj siv.
- Paub meej tias khoov, tensile, crush, hluav taws kub, UV thiab huab cua xav tau.
- Npaj kev pabcuam slack, lub thawv qhov chaw thiab kev lees txais kev kuaj.
Kev yuav khoom theem
- Qhia cov qauv cable, suav fiber ntau thiab cov qauv fiber ntau.
- Qhia meej cov tswv cuab lub zog, cov khoom siv sheath thiab hom connector.
- Thov cov ntaub ntawv cable, cov ntaub ntawv xeem thiab cov ntaub ntawv ua raws cai.
- Paub meej tias ntev kam rau ua, ntim thiab tiv thaiv connector.
Installation theem
- Txheeb xyuas tus qauv ua ntej rub.
- Tswj lub vojvoog dabtsi yog khoov, rub load thiab twist.
- Tiv thaiv cov connectors thiab muab strain nyem.
- Sau npe rau ob qho kawg thiab sau cov kev.
Qib Txais
- Tshawb xyuas kev ua haujlwm thiab kev sib txuas ntawm lub tshuab.
- Ntsuas qhov kawg-rau- xaus kev poob siv txoj kev teev tseg.
- Siv OTDR thaum xav tau cov ntaub ntawv tshwm sim lossis qhov chaw txhaum cai.
- Khaws cov qhabnias xeem nrog cov ua -cov ntaub ntawv tsim.
Kev khiav hauj lwm thiab tu theem
- Khaws cov txheej txheem ntxuav thiab tshuaj xyuas.
- Tiv thaiv kom tsis muaj kev tso cai rov qab los yog nruj rov qab.
- Tshawb xyuas qhov chaw sab nraum zoov thiab huab cua tsis tu ncua.
- Khaws cov khoom seem tsim nyog rau kev kho qhov ntev.
B2B Procurement Specification Template
| Yam khoom | Kev xav tau piv txwv |
|---|---|
| Khoom | FTTH poob cable |
| Fiber suav | 1 core, 2 core lossis project- tshwj xeeb |
| Fiber hom | G.657A2 ib - hom fiber ntau |
| Qauv | Pav, puag ncig, tus kheej -txhawb lossis toneable |
| Cov tswv cuab muaj zog | FRP, steel hlau, aramid xov paj los yog tub txib |
| Sheath | Specified LSZH, PVC, PE lossis HDPE siv |
| Txuas | SC/APC, SC/UPC, LC/APC, LC/UPC lossis project- tshwj xeeb |
| Kev txiav txim | Tej kab, pigtail, teb splice los yog ua ntej - txiav los ua ke |
| Ntev | Standard los yog customized ntev nrog hais kam rau ua |
| Daim ntawv thov | Sab hauv, sab nraum zoov, huab cua, duct los yog kev sib xyaw |
| Mechanical xav tau | Maximum tensile load, crush kuj thiab khoov vojvoog |
| Environmental xav tau | Qhov kub thiab txias, tiv thaiv UV, ya raws thiab nplaim taws ua haujlwm |
| Kev sim | Insertion poob, rov poob, kev kuaj xyuas qhov ntev thiab OTDR kab yog tias xav tau |
| Cov ntaub ntawv | Daim ntawv pov thawj, daim ntawv xeem, daim ntawv pov thawj kev ua raws cai thiab daim ntawv teev npe |
Rau cov uas tsis yog - qauv qauv, qhov ntev, sheaths, luam ntawv los yog connector configurations, xa tag nrho txoj kev thiab kev ua tau zoo yuav tsum tau los ntawm lubkev cai fiber ntau optic cablekev pabcuam es tsis qhia tsuas yog cov khoom lag luam npe.
Cov lus nug nquag
Q: Dab tsi yog FTTH Drop Cable Siv Rau?
A: Nws txuas cov seem kawg ntawm fiber ntau nkag mus rau hauv tsev, chaw ua haujlwm, qhov hluav taws xob kho qhov muag lossis ONT.
Q: Dab tsi yog qhov txawv ntawm Sab Hauv Tsev thiab Sab Nraud Drop Cable?
A: Sab hauv cable feem ntau hais txog kev ua haujlwm ntawm nplaim taws, yoog raws thiab yooj yim routing. Sab nraum zoov cable yuav tsum muaj qhov tsim nyog tiv thaiv tshav ntuj, noo noo, kub hloov thiab txhua yam load.
Q: Puas yog G.657A2 Ib txwm zoo dua G.652D?
A: Tsis yog G.657A2 ib txwm muab kev khoov zoo dua, tab sis qhov kev xaiv raug yog nyob ntawm txoj kev geometry, cable tsim, kev sib raug zoo, qhov project specifications thiab tus nqi.
Q: Kuv Puas Yuav Xaiv FRP lossis Hlau Hlau?
A: FRP tsis yog{0}}hlau thiab hluav taws xob rwb thaiv tsev. Hlau hlau tuaj yeem muab kev txhawb zog tensile ntawm tus nqi sib tw tab sis yog cov khoom siv hluav taws xob. Xaiv tus tswv cuab los ntawm qhov ntsuas tensile, txoj hauv kev thiab hluav taws xob- kev nyab xeeb.
Q: Thaum twg Kuv Yuav Tsum Siv Pre-Terminated Cable?
A: Siv nws thaum kev teeb tsa nrawm, rov ua dua qhov txuas zoo thiab kho sai yog qhov tseem ceeb thiab txoj kev ntev tuaj yeem npaj tau raug.
Q: Puas yog APC thiab UPC Txuas Txuas Txuas Ua Ke?
A: Lawv yuav tsum tsis txhob sib txuas ncaj qha rau hauv kev sib txuas ntau lawm. Lawv qhov kawg -fab geometries txawv, uas tuaj yeem tsim kev nkag siab ntau dhau thiab xav txog.
Q: Vim li cas Tight Coiling nce poob?
A: Ib qho me me lossis tsis sib xws tuaj yeem tsim macro-bending lossis micro-bending. Qhov kev hloov pauv hauv txoj kev kho qhov muag nce attenuation. Khaws slack ntawm lossis siab dua ntawm cov kab hluav taws xob khoov lub vojvoog.
Q: Yuav ua li cas Cable yuav tsum tau kuaj tom qab kev teeb tsa?
A: Yam tsawg kawg nkaus, tshuaj xyuas txoj hauv kev thiab cov khoom sib txuas thiab ntsuas qhov txuas raws li qhov kev lees paub qhov project. OLTS feem ntau yog siv rau qhov kawg-rau- kawg poob, thaum OTDR muaj txiaj ntsig rau kev nrhiav thiab sau cov xwm txheej.
Xaus
FTTH nco cable yuav tsum raug xaiv los ua ib feem ntawm txoj kev ua tiav es tsis yog ib qho kev sib cais. Fiber hom, cable qauv, lub zog tus tswv cuab, sheath, connector polish, installation txoj kev thiab kev ntsuam xyuas txoj kev npaj tag nrho cov muaj feem xyuam rau kev ntseeg siab ntawm cov neeg siv kev twb kev txuas.
Rau txoj hauv kev hauv tsev, ua qhov tseem ceeb ntawm kev khoov khoov, kev pom zoo ntawm cov nplaim hluav taws, kev txiav kom huv si thiab kev txhim kho slack cia. Rau sab nraum zoov thiab dav hlau txoj kev, txheeb xyuas UV tiv thaiv, tiv thaiv huab cua, ntsuas tensile, kho vajtse thiab hluav taws xob. Rau kev xa tawm sai, qhov raug teev tseg ua ntej- txiav tawm tuaj yeem txo qhov chaw ua haujlwm yam tsis tas yuav tsum tau kuaj xyuas thiab kuaj.
Ib qho kev qhia meej meej, tswj kev teeb tsa thiab cov ntaub ntawv lees paub yuav ua ntau dua los txo cov nqi ntawm lub neej dua li kev xaiv ib lub cable los ntawm chav tsev nqi ib leeg.