PON-Michina - pusa Manyiminya Network

Kuwedzera nevatengi Internet mabasa vateereri uye, naizvozvo, Broadband vanoshandisa kunoda pakatanga michina mitsva. Data kutaurirana vanofanira kugara kusimudza inogona mitsetse, izvo zvinoita makambani basa update motokari mashoko enhema. Asi kunze kukura date yedzimudzangara kuitika uye nezvinetso zvakasiyana mhando, varehwa vari kuwedzera basa mari network zvikuru makuru uye kuwedzera kuwanda mugumo-User zvinodiwa. Imwe nzira iri optimize yose PON-zvemichina kukurukurirana hurongwa waivako, iyo inokupai kuti varambe inogona network kuti zvimwe vawedzere kugona kwavo uye functionality.

Optical nokusanzwira PON rwokugadzira

Kukura itsva hwezvekukurukurirana ari hwokugadzira sangano uye akaramba kushanda mashoko Data yedzimudzangara network, asi izvi kubudirira kunonyanya kukonzerwa zvatinosiita zvakanakira Manyiminya Links. Kunyange nhasi, pamusoro pakanyorwa pakatanga yepamusorosoro zvinhu akaramba kushandisa nzira yakavakwa pamusoro kuchembera runhare maviri uye achishandisa xDSL. Zviri pachena, nemambure mukana pamusoro zvinhu izvi chaizvoizvo anorasikirwa mu kunyatsoshanda faibha-coaxial mitsetse, idzo haagoni sechinoitika chinhu inobereka mitemo nhasi.

An nzira nezvaiitwa network uye Wireless kutaurirana migero kare waitsigira chinhu Manyiminya faibha. Asi kana kwenheyo netambo asati raiva nyore kuti masangano akawanda, nhasi Manyiminya zvinoriumba vave zvikuru nyore. Chaizvoizvo, pamberi faibha raishandiswa kwerunyararo zvavo vatengi, kusanganisira Ethernet. Danho rakatevera raiva kukura foni samambure kwakavakirwa Micro-SDH mapurani, akavhura mhinduro zvachose itsva. Panguva ino uye akawana kushandisa kwainoita pfungwa PON network.

samambure Standardization

Yokutanga kuedza fananidza mabikirwo vanga vakaedza kuma1990, apo boka foni makambani akashamisika pfungwa kuziva zviri tsika pfungwa chete vakawanda kuwana pusa Manyiminya faibha. Somugumisiro, sangano ainzi FSAN, kubatanidza uye dzaishandisa, uye nomumbure midziyo vagadziri. Chinangwa chikuru chaiva kusika uye FSAN pasuru ne vakawanda mirayiridzo uye zvinodiwa kuti vave PON Hardware kuti midziyo vagadziri uye basa rinobatsirwa vanogona kushanda pamwe chete chidimbu. Kusvika panguva pusa kubatana, inobva PON zvigadzirwa, vakarongwa maererano Itu-T zvinodiwa, ATM uye ETSI.

Pfungwa samambure nezviito

The chikuru chinoratidza PON pfungwa ndechokuti kwezvivako kunobva imwe chete module kuti ndiye Data yedzimudzangara uye mutambo mabasa. chikamu ichi riri mune OLT wegadziriro uye rinobvumira nechepakati raiva pedyo nebundu basa muzvizhinji pakati subscribers mashoko runoyerera. Mugumo mugamuchiri midziyo anoita ONT, izvo zvinozoita anoita somunhu wokutepfenyurisa. Kuwanda rinotengeswa nevaridzi dzemapurisa chokuita nechepakati module kugamuchirwa uye kuparadzira, kubatsirwa chete pamusoro simba uye kufadza velocity midziyo yaishandiswa PON. The zvemichina iri, pfungwa, haiiti nhamba vechikamu pomumbure, asi nokuda optimum Utilisation pamusoro telecommunication muzvirongwa, Developers vachiri kuisa zvimwe zvipingamupinyi maererano configuration zvimwe network. DzeShona mashoko kuyerera kubva nechepakati kugamuchirwa zvinoparadzira chikwata kuti rinotengeswa nevaridzi hadzisisina rinoitwa panguva chezvinonhuwira 1550 nm wavelength. Mukusiyana, zvinopesana neizvi mashoko kuyerera kubva mutengi mano kuti OLT vari chinopfuudzwa panguva wavelength pamusoro 1310 nm. Rwako izvi zvinofanira kuonekwa yoga.

Forward uye neizvi kuerera

Huru (kureva kururamisa) iyerere kubva nechepakati rezvebonde module rinoreva nhepfenyuro. Izvi zvinoreva kuti Manyiminya mutsetse chidimbu zvinonyatsorehwa mashoko aibuda, ichijekesa minda kero. Saka, mumwe nomumwe rinotengeswa nevaridzi chikwata "inoti" mashoko chete dzaizopiwa iye. Kwakadaro Data Kuparadzirwa musimboti anganzi demultipleksornym.

Uyewo, zvinopesana neizvi muchaerera kushandisa rimwe mutsetse kuzivisa mashoko kune subscribers zvose chokuita pemambure. Sezvo zano vakawanda kuwana nguva nokupesana. Kuti haabatanidzi ndingangokuvara mazambuko anonongedzera multiple mashoko vagamuchiri nerimwe rinotengeswa nevaridzi raiva pedyo nebundu mudziyo ane nomumwe yokuita zvinhu kuti kupanana umboo kugadziridzwa kuti kunonoka. Ichi musimboti kuti vakaziva PON zvigadzirwa, tichitarisa nesungano pakati mugamuchiri-wokutepfenyurisa module pamwe magumo vanozvishandisa. Zvisinei, network redunhu configuration dzinogona topologies zvakasiyana.

Topology, "Point kuti Muratidze"

Muchiitiko chino, mumwe P2P hurongwa kuti anogona kuitwa kuti zvakajairika zvinodiwa, uye nokuda anokosha zvirongwa chokuita Somuenzaniso, activation pamusoro Manyiminya mano. The rinotengeswa nevaridzi date kuchengeteka Dots Indaneti iri mhando rinopa kunonyanyisa kudzivirira zvinogoneka network dzakadaro. Asi achiisa Manyiminya mutsetse mumwe nomumwe User rinoitwa vachiravana, saka mari kuronga migero akadaro inowedzera substantially. Mune dzimwe nzira, izvi hazvisi nyore, asi munhu network, kunyange pakati, iyo anoshanda ari rinotengeswa nevaridzi chikwata kunogona vamwe vanoshandisa. Kazhinji, nzira iri rakakodzera guru subscribers kuti kuchengeteka mutsetse kunonyanya kukosha.

Topology "mhete"

zano iri yakavakirwa SDH configuration uye tsime kutaurwa nomuzongoza network. Asiwo, optic rin'i mhando zvisinganyanyi vanobudirira mukushanda kuwana network. Saka, muna sangano reguta penzira Positioning pamusoro nodes dzaona kunyange nemagadzirirwo rwakazara, asi kuwana pomumbure kuti zvisingabviri kuongorora pachine nhamba rinotengeswa nevaridzi dzakabatana.

Kunopiwa chibhubhubhu zvenyama spatial kubatana kwakaita subscribers mhete redunhu inogona zvakati kuoma. In tsika, kwakadaro configuration kazhinji dzikava kuputswa redunhu ane muzvizhinji nemapazi. Izvi zvinoitika kana pakatanga subscribers itsva rinoitwa kuburikidza mukaha huripo zvikamu. Somuenzaniso, kubatana ingangoumbwa zvishwe izvo zvichienderana muna rwonzi. The mugumisiro "wakaputsika" netambo kuti munguva mashandiro kunoderedza rakavimbika pemambure.

Zvakakurukurwa mavakirwo EPON

Kuedza kutanga kuvaka PON samambure kuti fungidzira nhau vatengi kuna Ethernet zvigadzirwa, vakaitwa 2000, chikuva kuti kukura misimboti paumbwe network rava mavakirwo EPON, uye sezvo mukuru mureza wakatangwa IEEE Specification, kwakavakirwa izvo nomumwe kusarudza kuti sangano yakagadzirwa PON network. EFMC ano Somuenzaniso, Serviced topology "anotaura kunongedzera" achishandisa yakakoswa yezvinoita mhangura. Asi nhasi, nyika ino inenge harimboshandiswi maererano yezwi faibha. Serimwe rinogona kutsiva, vaizotibata zvikuru nzvimbo vachiri michina inobva ADSL.

Mazuva ano chimiro neezvitendero EPON chinozoiswa kuti matunhu akawanda, asi chikuru mamiriro embodiments ayo kushandiswa fibers. Kuwedzera pakushandisa configurations siyana pamusoro EPON mureza PON connectivity michina rinopawo kukwanisa kushandisa zvimwe shanduro Manyiminya transceivers.

Zvakakurukurwa mavakirwo GPON

GPON akitekicha kunoita kuti pave zvakarukwa mukana yakavakirwa APON mureza. Nokufamba nesangano kwezvivako Tsika kuwedzera bandwidths network, uyewo kuti asike zvinhu kuti rikurumidze chinja zvikumbiro. GPON ari scalable puranga mamiriro kuti anobvumira ruzivo kushumira subscribers mu aibuda prices kusvikira 2,5 Gbit / c. Zvanzi kuzvishandura uye zvakananga Rwako vanogona kushanda pazuva iroro kana zvakasiyana nokukurumidza modes. Uyezve, muna GPON mukana Network configuration anogona kupa chero encapsulation kuva chokufambisa dzakati pasinei synchronous basa. Kana SDH inogona kuzadzikwa vachingoshandisa kunofambira mberi weboka evapambi, itsva GPON dzakati GFP mamiriro apo kuramba hunhu SDH pepuranga uye rinobvumira simba yavaive vamapoka.

zvakanakira mabikirwo

Pakati huru zvakanakira Manyiminya fibers muna Scheme PON emit hapana zvenguva Links pakati nechepakati wokutepfenyurisa uye mugamuchiri-rinotengeswa nevaridzi, upfumi, nyore maererano uye serviceability. Kazhinji mikana ava nokuda ouchenjeri sangano network. Somuenzaniso, Indaneti inopiwa zvakananga, saka kukundikana rimwe pedyo rinotengeswa nevaridzi zviumbu asingaiti kukanganisa mashandiro ayo. Kunyange inofa vanoshandisa Chokwadi, kukabatanidzwa kubatana mumwe Unit nechepakati, izvo anosarudza kunaka basa vechikamu vese kwezvivako. Tinofanira kufunga muti topology P2MP, ndoupiko unonyanya optimized Manyiminya makwara. configuration Izvi zvinopa Network mabasa pasinei nzvimbo rinotengeswa nevaridzi nodes Nokuda mari kuparadzirwa mitsetse kugamuchira uye kuparadzira mashoko. Panguva iyoyo akabvumira pakatanga vanoshandisa matsva pasina kuchinja kukuru kuti aivapo mamiriro.

Zvazvakashatira PON Network

Wide kushandiswa michina iyi ichiri zvishoma chinonditadzisa zvingawedzera. Chokutanga kunzwisisa kwakaita hurongwa. Operational zvakanakira ichi mhando samambure anogona akapa chete kana kwokutanga kuurayiwa yepamusoro magadzirirwo kufunga rwokugadzira nuances zhinji. Dzimwe nzira yokubuda inova PON kuwana zvigadzirwa, izvo anopa sangano kungoti typological zano. Asi iyi zvakakodzera kugadzirira vamwe zvinokanganiswa - nokushaiwa redundancy zvinhu.

kuedza samambure

Apo zvikamu zvose kukura samambure redunhu guru akapfuura uye rakatangwa michina nezviyero, penyanzvi dzinotanga kwezvivako kunovhenekwa. Chimwe chikuru zviratidzi pamusoro pomumbure rinoitwa qualitatively uyere attenuation pamutsetse. Nokuti mugero kuongorora kuvapo Manyiminya testers vaishandisa matambudziko zvikamu. kuyerwa All vakaitwa pamusoro zvinoshingaira mitsetse vachishandisa multiplexers uye filters. kazhinji Scale telecommunication pomumbure kuedzwe vachishandisa OTDR. Asi midziyo kwakadaro kunoda dzidzo inokosha vanoshandisa, tisingatauri chokwadi chokuti achiongorora zvaive zvisaririra vanofanira kuita mapoka nyanzvi.

mhedziso

Pasinei zvose nezvinetso zviri yezwi itsva Michina makambani kuti zvinopa telecommunication mabasa, Kurumidzai kudzidza kugona kugadzirisa. Zvishoma nezvishoma kupararira uye zvakaoma hwokugadzira waivako internet optic mugadziriro, anosanganisira PON rwokugadzira. "Rostelecom" Somuenzaniso, atanga kushandisa rebasa pamanyorerwo shure muna 2013. Access kuti nezvaanogona ose Manyiminya network PON kutanga kugamuchira vagari Leningrad nharaunda. Chii kunakidza zvikuru, basa Provider akapa faibha-optic kwezvivako, kunyange mumisha yeko. In tsika, ichi kuchaita subscribers kunakidzwa kwete chete foni uye internet access, asiwo batanidza kune digitaalinen paterevhizheni nhepfenyuro.