Ibiciro byacu bizaba byiza kandi birushanwe bitewe nubushobozi bukomeye bwo gukora, nubwo ibiciro bishobora guhinduka bitewe nibitangwa nibindi bintu byamasoko. Tuzohereza urutonde rwibiciro bishya nyuma yuko sosiyete yawe itwandikire kugirango umenye andi makuru.
Mubyukuri sibyo. tuzasubiramo dukurikije ingano yawe. Uko utumiza byinshi, igiciro cyiza uzabona. Niba kandi ukeneye ingero z'ubuntu, nyamuneka twandikire ukoresheje imeri.
Birumvikana. Turashobora kuguha ibyangombwa bifitanye isano, nka Certificat of Analysis / Conformance; Ubwishingizi; Inkomoko, nizindi nyandiko zohereza hanze.
Ukurikije ingano yawe nicyitegererezo muburyo burambuye, tuzaguha igihe cyiza cyo kuyobora. Nkibisanzwe, kuburugero, igihe cyo kuyobora ni iminsi 7. Kubyara umusaruro mwinshi, igihe cyambere ni iminsi 20-30 nyuma yo kubona ubwishyu. Ubuntu kubuntu tubwire niba hari icyo usabwa kidasanzwe.
Urashobora kwishyura kuri konte yacu ya banki, Western Union cyangwa PayPal:
30% kubitsa mbere, 70% asigaye kuri kopi ya B / L.
Twemeza ibikoresho byacu hamwe nakazi. Ibyo twiyemeje nukunyurwa nibicuruzwa byacu. Muri garanti cyangwa ntayo, numuco wikigo cyacu gukemura no gukemura ibibazo byose byabakiriya kugirango buriwese anyuzwe
Nibyo, burigihe dukoresha ibicuruzwa byiza byoherezwa hanze. Dukoresha kandi ibikoresho byihariye byo gupakira ibicuruzwa bishobora guteza akaga hamwe no kohereza ibicuruzwa bikonje byemewe kubintu byoroshye ubushyuhe. Impuguke zipfunyika hamwe nibisabwa gupakira birashobora kwishyurwa amafaranga yinyongera.
Igiciro cyo kohereza giterwa nuburyo wahisemo kubona ibicuruzwa. Express mubisanzwe nuburyo bwihuse ariko kandi nuburyo buhenze cyane. Kurwanira mu nyanja nigisubizo cyiza kubwinshi. Igipimo cyibicuruzwa neza turashobora kuguha gusa niba tuzi amakuru arambuye, uburemere n'inzira. Nyamuneka twandikire kubindi bisobanuro.
Mubyukuri, itandukaniro riri hagati ya OM3 vs OM4 fibre iri mubwubatsi bwa fibre optique. Itandukaniro ryubwubatsi bivuze ko umugozi wa OM4 ufite attenuation nziza kandi ushobora gukora kumurongo mwinshi kuruta OM3. Ni izihe mpamvu zibitera? Kugirango fibre ihuza akazi, urumuri ruva muri VCSEL rwinshi rufite imbaraga zihagije zo kugera kubakira kurundi ruhande. Hano haribikorwa bibiri byimikorere ishobora gukumira ibi-optique attenuation na modal dispersion.
Attenuation nigabanuka ryimbaraga zumucyo uko yanduye (dB). Attenuation iterwa nigihombo mumucyo binyuze mubice byoroshye, nkinsinga, insinga za kabili, hamwe nabahuza. Nkuko byavuzwe haruguru abahuza ni bamwe rero itandukaniro ryimikorere muri OM3 vs OM4 riri mubihombo (dB) mumugozi. OM4 fibre itera igihombo gito kubera iyubakwa ryayo. Umubare ntarengwa wemewe nu bipimo urerekanwa hepfo. Urashobora kubona ko gukoresha OM4 bizaguha igihombo gito kuri metero ya kabili. Igihombo cyo hasi bivuze ko ushobora kugira amahuza maremare cyangwa ufite byinshi uhuza.
Ntarengwa ntarengwa yemerewe kuri 850nm: OM3<3.5 dB / Km; OM4<3.0 dB / Km
Umucyo woherezwa muburyo butandukanye kuri fibre. Bitewe nudusembwa muri fibre, ubu buryo bugera nkibihe bitandukanye. Nkuko iri tandukaniro ryiyongera amaherezo ugera aho amakuru atangwa adashobora kwandikwa. Iri tandukaniro hagati yuburyo bwo hejuru kandi bwo hasi buzwi nka modal dispersion. Ikwirakwizwa rya modal rigena umurongo wa modal fibre ishobora gukora kandi iri ni itandukaniro riri hagati ya OM3 na OM4. Hasi ya modal ikwirakwizwa, niko modal yagutse kandi ninshi namakuru ashobora koherezwa. Umuyoboro mugari wa OM3 na OM4 urerekanwa hepfo. Umuyoboro mwinshi uboneka muri OM4 bisobanura gutandukanya modal ntoya bityo bigatuma imiyoboro ya kabili iba ndende cyangwa ikemerera igihombo kinini binyuze mumihuza myinshi. Ibi bitanga amahitamo menshi iyo urebye igishushanyo mbonera.
Umuyoboro muto wa fibre ntarengwa kuri 850nm: OM3 2000 MHz · km; OM4 4700 MHz · km
Urashobora kutumenyesha witonze kubijyanye n’ibidukikije aho ibicuruzwa bizakoreshwa, uhisemo ibisobanuro birambuye nk'ubushuhe, ubushyuhe, hamwe na geologiya. Turashobora gutanga ibyuma byabugenewe / fibre igizwe nibiciro kugirango twuzuze ibisabwa byihariye. Guhitamo ibicuruzwa byabigenewe nabyo birahari.
Umugozi wa fibre ugizwe na:
Core **: Ultra-yera ikirahure / silika (8-62.5µm diametre) kugirango itange urumuri.
Kwambika **: Igice cyo hanze gifite indangagaciro yo hasi yo kugabanya urumuri.
Igipfukisho **: Kurinda acrylate layer (250µm).
Komeza abanyamuryango **: Aramid yarn / fiberglass inkoni.
Ikoti yo hanze **: PE / PVC / LSZH ibikoresho byo kurengera ibidukikije.
| ** Parameter ** | ** Uburyo bumwe (SMF) ** | ** Uburyo bwinshi (MMF) ** |
| --------------------- | ---------------------- | ---------------------- |
| Diameter Core | 8-10µm | 50 / 62.5µm |
| Intera | 80-120km | 50550m (OM4) |
| Umuyoboro mugari | Ntarengwa (mubyukuri) | Bidafite aho bigarukira |
| Igiciro | Hejuru (isoko ya laser) | Hasi (LED / VCSEL) |
| ** Koresha Urubanza ** | Itumanaho / 5G gusubira inyuma | Ibigo byamakuru / Ikigo |
Ikoranabuhanga rya SDM ririmo:
Fibre-fibre nyinshi (MCF) **: 7-19 cores / fibre, yerekanye 1Pbps yoherejwe.
Fibre-moderi nkeya (FMF) **: Inzira nyinshi zumucyo kumurongo.
Inyungu ya Operator *: Kugabanya umuyoboro mwinshi; NTT yohereje MCF muri metero ya Tokiyo.
Iyi fibre:
- Kuyobora urumuri binyuze mu kirere (ntabwo ari ikirahure), guca ubukererwe kuri 31% (1.46μs / km na 2.13μs / km).
- Intego zigamije: HFT (ubucuruzi bwihuse cyane), imiyoboro ya kwant.
* Ikibazo *: Kwiyongera cyane (~ 3dB / km) na SMF ya 0.17dB / km.
Igisubizo: Ibice bitatu byibandwaho:
1. Imbere **: Kohereza G.654.E fibre (igihombo gito, ahantu hanini cyane) kuburebure bwa 400G.
2. Utugingo ngengabuzima **: Micro-insinga (diameter 6mm ya diametre) kubikorwa byo mumijyi yuzuye.
3. Kwishyira hamwe kwa SDN **: Hindura ibikoresho bya fibre ukoresheje OpenROADM.
Igisubizo: Inyungu zirimo:
- Kugabanya ibiciro 30% binyuze mubicuruzwa-agnostic bishushanya (urugero, Vodafone ifungura Fibre Initiative).
- Kuzamura byihuse (plug-na-gukina fibre modules).
Igisubizo: ** Ibizamini bikomeye:
OTDR (Optical Time Domain Reflectometer) **: Ibipimo bigabanya igihombo / gucika.
Kwipimisha Gutakaza Kwinjiza **: Kugenzura-kurangiza-gutakaza igihombo.
Ikizamini cya Chromatic Dispersion **: Ibyingenzi kuri sisitemu ya 100G ihuza.
1. ** Intambwe 1 **: Shakisha amakosa muri 3m ukoresheje OTDR ihanitse cyane.
2. ** Intambwe ya 2 **: Kohereza robotic fibre crawers kugirango ikosorwe munsi.
3. ** Intambwe 3 **: Koresha uduce twa fusion hamwe no gutakaza ibice .030.02dB.
Ubwoko nyamukuru burimo:
-Fibre-imwe ya fibre (SMF): ** Yashizweho kuburebure burebure, ubwinshi bwikwirakwizwa (urugero, 1310 / 1550nm yumuraba).
-Ibikoresho bya Multimode (MMF): ** Byakoreshejwe intera ngufi (urugero, OM1 / OM2 / OM3 / OM4 / OM5 kuri 850 / 1300nm).
Intsinga zo mu nzu / Hanze: ** Intwaro, idafite ibirwanisho, lente, cyangwa ibishushanyo mbonera.
-Imigozi yihariye: ** FTTH (Kumanura insinga), insinga zo mu mazi, insinga zo mu kirere, nibindi.
tekereza:
- ** Intera: ** SMF kuri> 1km; MMF kuri 00500m (biratandukanye nigipimo cyamakuru).
- ** Igiciro: ** Transceiver ya MMF ihendutse ariko SMF itanga ejo hazaza.
- ** Gusaba: ** SMF kuri terefone / ndende-ndende; MMF kubigo byamakuru / LANs.
Amabwiriza y'ingenzi:
- Irinde kurenza ** gukurura tension ** (urugero, 50150N kuri SMF).
- Komeza byibuze ** kugoreka radiyo ** (urugero, 20mm kumigozi ya patch).
- Koresha ** ikwiye / ihuza ** (LC / SC / MPO) hamwe na ferrule isukuye.
- Gerageza hamwe na ** OTDR / metero yimbaraga ** nyuma yo kwishyiriraho.
Mubisanzwe ** 20-25-25 **, ariko biterwa na:
- Ibidukikije (ubushuhe, UV igaragara).
- Guhangayikishwa na mashini (kunama, kunyeganyega).
- Iterambere mu ikoranabuhanga rishobora kwihutisha kuzamurwa mbere ya EOL.