Menene xPON

A matsayin sabon ƙarni na fasahar samun damar fiber na gani, XPON yana da babbar fa'ida a cikin tsangwama, halayen bandwidth, nisa mai nisa, kiyayewa da gudanarwa, da dai sauransu Aikace-aikacensa ya jawo hankali sosai daga masu aiki na duniya.Fasahar samun dama ta gani na XPON tana da ɗan ƙaramin balagagge EPON kuma GPON duka sun ƙunshi OLT na tsakiya, kayan aikin ONU na gefen mai amfani da hanyar sadarwa mai rarraba gani na gani ODN.Daga cikin su, hanyar sadarwa na ODN da kayan aiki sune muhimmin ɓangare na haɗin haɗin gwiwar XPON, wanda ya haɗa da samuwar da aikace-aikacen sabon hanyar sadarwa na fiber optic.Kayan aikin ODN masu alaƙa da farashin sadarwar sun zama mahimman abubuwan da ke hana aikace-aikacen XPON.

Ra'ayi

A halin yanzu, fasahar xPON gabaɗaya masana'antar sun haɗa da EPON da GPON.

Fasahar GPON (Gigabit-CapablePON) ita ce sabuwar ƙarni na ƙaƙƙarfan madaidaicin damar haɗaɗɗen hanyoyin sadarwa na gani bisa ma'aunin ITU-TG.984.x.Yana da fa'idodi da yawa kamar babban bandwidth, babban inganci, babban ɗaukar hoto, da wadatattun mu'amalar mai amfani.Masu gudanar da aiki suna ɗaukarsa a matsayin ingantacciyar fasaha don aiwatar da hanyoyin sadarwa da ingantaccen sauyi na samun damar sabis na cibiyar sadarwa.Matsakaicin ƙimar GPON na ƙasa shine 2.5Gbps, layin sama shine 1.25Gbps, kuma matsakaicin rabon rabo shine 1:64.

EPON wani nau'i ne na fasaha na hanyar sadarwa mai tasowa, wanda ke gane haɗin haɗin sabis na bayanai, murya da bidiyo ta hanyar tsarin hanyar fiber na gani guda ɗaya, kuma yana da ingantaccen tattalin arziki.EPON za ta zama babbar hanyar sadarwa ta hanyar sadarwa.Saboda halaye na tsarin cibiyar sadarwa na EPON, fa'idodi na musamman na samun damar yin amfani da gidan yanar gizo, da haɗin gwiwar kwayoyin halitta tare da cibiyoyin sadarwar kwamfuta, masana a duk faɗin duniya sun yarda cewa cibiyoyin sadarwa masu ƙarfi sune fahimtar “cibiyoyin sadarwa guda uku a ɗaya” da mafita ga babbar hanyar bayanai.Mafi kyawun matsakaicin watsawa don "mil na ƙarshe".

Tsarin hanyar sadarwa na PON na gaba xPON:

Ko da yake EPON da GPON suna da nasu fasahohin daban-daban, suna da tsarin tsarin sadarwa iri ɗaya da tsarin gudanarwa iri ɗaya.Dukansu sun daidaita zuwa aikace-aikacen cibiyar sadarwar samun dama ta gani ɗaya kuma ba masu haɗa kai ba ne.Tsarin hanyar sadarwa na PON na gaba xPON zai iya tallafawa a lokaci guda.Wadannan ma'auni guda biyu, wato, kayan aikin xPON na iya samar da nau'i daban-daban na samun damar PON bisa ga bukatun masu amfani daban-daban, da kuma magance matsalar rashin daidaituwa na fasaha guda biyu.A lokaci guda kuma, tsarin xPON yana ba da tsarin gudanarwar cibiyar sadarwa mai haɗin kai wanda zai iya sarrafa buƙatun kasuwanci daban-daban, gane cikakken sabis (ciki har da ATM, Ethernet, TDM) ƙarfin goyan baya tare da cikakken garantin QoS, da goyan bayan watsa shirye-shiryen talabijin na ƙasa ta hanyar WDM;a lokaci guda, yana iya gano EPON ta atomatik, ana ƙara katin GPON da cirewa;hakika yana dacewa da hanyoyin sadarwa na EPON da GPON a lokaci guda.Ga manajojin cibiyar sadarwa, duk gudanarwa da daidaitawa na kasuwanci ne, ba tare da la’akari da bambancin fasaha tsakanin EPON da GPON ba.Wato, aiwatar da fasaha na EPON da GPON a bayyane yake ga gudanarwar cibiyar sadarwa, kuma ana ba da bambance-bambancen da ke tsakanin su biyun kuma an ba da su zuwa haɗin haɗin kai na sama-Layer.Haɗin kai dandamalin sarrafa hanyar sadarwa yana ɗaya daga cikin manyan fa'idodin wannan tsarin, wanda da gaske ya fahimci haɗewar fasahar PON daban-daban guda biyu akan matakin gudanarwar cibiyar sadarwa.

Babban sigogi da alamun fasaha

Babban sigogin hanyar sadarwar xPON sune kamar haka:

● Ƙimar goyon bayan sabis da yawa: don cimma cikakken sabis (ciki har da ATM, Ethernet, TDM) ƙarfin goyan baya tare da garantin QoS mai mahimmanci, don inganta kasuwanci, goyan bayan watsa shirye-shiryen talabijin na ƙasa ta hanyar WDM;

● Ganewa ta atomatik da sarrafa katunan EPON da GPON;

● Taimakawa 1: 32 iyawar reshe;

●Nisan watsawa bai wuce kilomita 20 ba;

● Ƙididdigar layi mai ma'ana ta sama da ƙasa 1.244Gbit/s.Taimakawa aikin kididdigar zirga-zirgar tashar jiragen ruwa;

● Taimakawa aikin rarraba bandwidth mai tsauri da tsayi.

●Goyi bayan ayyukan multicast da multicast

Babban alamun fasaha na cibiyar sadarwar xPON:

(1) Ƙarfin tsarin: Tsarin yana da babban ƙarfin sauyawa na IP (30G) don samar da hanyar sadarwa ta 10G Ethernet, kuma kowane OLT na iya tallafawa cibiyoyin sadarwa na 36 PON.

(2) Multi-sabis dubawa: Tallafi TDM, ATM, Ethernet, CATV, da kuma samar da m QoS garanti, wanda zai iya cikakken hada data kasance ayyuka.Yana da gaske yana goyan bayan haɓaka kasuwancin santsi.

(3) Babban amincin tsarin da buƙatun samuwa: Tsarin yana ba da zaɓi na zaɓi na 1 + 1 na zaɓi na kariya don cika buƙatun hanyar sadarwar sadarwa don amincin cibiyar sadarwa, kuma lokacin sauyawa bai wuce 50ms ba.

(4) Kewayon hanyar sadarwa: hanyar hanyar sadarwar 10,20Km mai daidaitawa, cikakke cika buƙatun hanyar sadarwar shiga.

(5) Dandalin software mai haɗaɗɗiyar tsarin gudanarwa: Don hanyoyin samun dama daban-daban, sami dandamalin sarrafa hanyar sadarwa guda ɗaya

Tsarin

Tsarin hanyar sadarwa na fiber na gani na gani shine tsarin watsa hanyoyin sadarwa na fiber na gani wanda ya hada da tashar tashar layin gani (OLT), cibiyar sadarwa ta rarrabawar gani (ODN), da naúrar cibiyar sadarwa ta gani (ONU), wacce ake kira tsarin PON.Ana nuna ƙirar tsarin tsarin PON a hoto 1.

Tsarin PON yana ɗaukar tsarin cibiyar sadarwa mai ma'ana-zuwa-multipoint, yana amfani da hanyar sadarwa mai rarrabawar gani a matsayin matsakaicin watsawa, yana amfani da yanayin watsa shirye-shirye a cikin hanyar ƙasa, da yanayin aiki na TDM a cikin haɓakawa, wanda ke fahimtar watsa siginar guda ɗaya-fiber bidirectional.Idan aka kwatanta da hanyar sadarwa ta al'ada, tsarin PON zai iya rage yawan amfani da damar shiga ɗakin kwamfuta da samun damar igiyoyi na gani, ƙara yawan hanyar sadarwa na kullin shiga, ƙara yawan damar shiga, rage rashin gazawar layi da kayan aiki na waje, da kuma inganta amincin tsarin.A lokaci guda kuma, yana adana kuɗin kulawa, don haka tsarin PON shine babban fasahar aikace-aikacen hanyar sadarwa ta hanyar sadarwa ta NGB.

Dangane da nau'ikan watsa sigina daban-daban na tsarin, ana iya kiransa xPON, kamar APON, BPON, EPON, GPON da WDM-PON.An baza GPON da EPON a ko'ina cikin duniya, kuma akwai kuma manyan aikace-aikace wajen sauya hanyoyin sadarwa na rediyo da talabijin.WDM-PON tsari ne da ke amfani da tashoshi masu tsayi masu zaman kansu tsakanin OLT da ONU don samar da hanyar haɗin kai-zuwa-ma'ana.Idan aka kwatanta da TDM- irin su EPON da GPON, PON da WDM-PON suna da fa'idodi na babban bandwidth, bayyananniyar yarjejeniya, aminci da aminci, da ƙarfi mai ƙarfi.Su ne alkiblar ci gaban gaba.A cikin ɗan gajeren lokaci, saboda ƙa'idodin ka'idoji na WDM-PON, mafi girman farashin na'urar, da kuma yawan farashin tsarin, har yanzu bai sami sharuɗɗan aikace-aikace masu girma ba.

Babban alamun fasaha na xPON

① Ƙarfin tsarin: Tsarin yana da babban mahimmancin sauyawa na IP (30G), yana samar da hanyar sadarwa ta 10G Ethernet, kuma kowane OLT na iya tallafawa 36 PONs;

②Multi-service interface: goyan bayan TDM, ATM, Ethernet, CATV, da kuma ba da garantin QoS mai tsauri, zai iya cika kasuwancin da ke akwai, kuma yana goyan bayan ingantaccen haɓaka kasuwancin;

③ Babban amincin tsarin da buƙatun samuwa: Tsarin yana ba da zaɓi na zaɓi na 1 + 1 na zaɓi na kariya don cika buƙatun hanyar sadarwar sadarwa don amincin cibiyar sadarwa, kuma lokacin sauyawa bai wuce 50m ba;

④ Ƙwararren hanyar sadarwa: 10-20km diamita na cibiyar sadarwa za a iya daidaita shi don cika cikakkun buƙatun hanyar sadarwa;

⑤ Haɗin kai dandalin software na sarrafa tsarin: Don hanyoyin samun dama daban-daban, yana da dandamalin sarrafa cibiyar sadarwa guda ɗaya.

HUANET yana samar da nau'ikan xPON ONU da yawa, xPON ONT, sun haɗa da 1GE xPON ONU, 1GE+1FE+CATV+WIFI xPON ONT, 1GE+1FE+CATV+POTS+WIFI xPON ONU,1GE+3FE+POTS+WIFI xPON ONT.Muna kuma samar da Huawei xPON ONT.