Menene xPON

A matsayin sabuwar ƙarni na fasahar samun damar fiber optical, XPON yana da fa'idodi masu yawa a fannin hana tsangwama, halayen bandwidth, nisan shiga, kulawa da gudanarwa, da sauransu. Aikace-aikacensa ya jawo hankali sosai daga masu aiki a duniya. Fasahar samun damar optical XPON ta balaga ce kuma GPON duka sun ƙunshi OLT na ofishin tsakiya, kayan aikin ONU na gefe mai amfani da kuma hanyar sadarwa ta rarraba optical mai aiki da ODN. Daga cikinsu, hanyar sadarwa ta ODN da kayan aiki muhimmin ɓangare ne na haɗin gwiwar XPON, wanda ya haɗa da ƙirƙirar da amfani da sabuwar hanyar sadarwa ta fiber optical. Kayan aikin ODN da suka shafi kuɗin sadarwa sun zama muhimman abubuwan da ke takaita aikace-aikacen XPON.

Tsarin

A halin yanzu, fasahar xPON mai kyau ta masana'antar gabaɗaya ta haɗa da EPON da GPON.

Fasahar GPON (Gigabit-CapablePON) sabuwar ƙarni ce ta tsarin samun damar intanet mai amfani da na'urar sadarwa mai aiki da kanta bisa ga ka'idar ITU-TG.984.x. Tana da fa'idodi da yawa kamar babban bandwidth, ingantaccen aiki, babban ɗaukar hoto, da kuma hanyoyin sadarwa masu amfani masu yawa. Masu aiki suna ɗaukarta a matsayin fasaha mafi kyau don cimma babban saurin intanet da kuma cikakken canjin ayyukan hanyar sadarwa. Matsakaicin saurin GPON shine 2.5Gbps, layin sama shine 1.25Gbps, kuma matsakaicin rabon rabawa shine 1:64.

EPON wani nau'in fasahar samun damar intanet ne mai tasowa, wanda ke samar da damar samun bayanai, murya da bidiyo ta hanyar tsarin samun damar fiber na gani guda ɗaya, kuma yana da ingantaccen tattalin arziki. EPON zai zama babbar fasahar samun damar intanet mai sauri. Saboda halayen tsarin hanyar sadarwa ta EPON, fa'idodin musamman na samun damar intanet mai sauri zuwa gida, da kuma haɗin gwiwar halitta na halitta tare da hanyoyin sadarwa na kwamfuta, ƙwararru a duk faɗin duniya sun yarda cewa hanyoyin sadarwa masu motsi sune aiwatar da "hanyoyin sadarwa uku a cikin ɗaya" da kuma mafita ga babbar hanyar bayanai. Mafi kyawun hanyar watsawa don "mile na ƙarshe".

Tsarin cibiyar sadarwa ta PON na zamani xPON:

Duk da cewa EPON da GPON suna da nasu fasahar daban-daban, suna da tsarin cibiyar sadarwa iri ɗaya da kuma tsarin gudanar da cibiyar sadarwa iri ɗaya. Dukansu suna da alaƙa da aikace-aikacen hanyar sadarwa ta gani iri ɗaya kuma ba sa haɗuwa. Tsarin hanyar sadarwa ta PON na zamani na xPON zai iya tallafawa a lokaci guda. Waɗannan ƙa'idodi guda biyu, wato, kayan aikin xPON na iya samar da nau'ikan damar PON daban-daban bisa ga buƙatun masu amfani daban-daban, da kuma magance matsalar rashin jituwa ta fasahar biyu. A lokaci guda, tsarin xPON yana ba da dandamalin gudanar da hanyar sadarwa mai haɗin kai wanda zai iya sarrafa buƙatun kasuwanci daban-daban, cimma cikakken damar tallafi (gami da ATM, Ethernet, TDM) tare da garantin QoS mai tsauri, da kuma tallafawa watsa talabijin na kebul ta hanyar WDM; a lokaci guda, yana iya gano EPON ta atomatik, an ƙara katin GPON Access kuma an cire shi; yana da jituwa da gaske tare da hanyoyin sadarwar 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 gudanar da hanyar sadarwa, kuma bambancin da ke tsakanin su biyun an kare shi kuma an samar da shi ga hanyar sadarwa mai haɗin kai ta sama. Dandalin gudanar da hanyar sadarwa mai haɗin kai yana ɗaya daga cikin manyan fa'idodin wannan tsarin, wanda da gaske yana tabbatar da haɗakar fasahar PON guda biyu daban-daban a matakin gudanar da hanyar sadarwa.

Babban sigogi da alamun fasaha

Babban sigogin cibiyar sadarwar xPON sune kamar haka:

●Ƙwarewar tallafi mai yawa: don cimma cikakken damar tallafi (gami da ATM, Ethernet, TDM) tare da garantin QoS mai tsauri, don inganta kasuwanci, tallafawa watsa talabijin na kebul ta hanyar WDM;

●Ganowa da sarrafa katunan shiga EPON da GPON ta atomatik;

●Taimakawa ikon reshe na 1:32;

●Nisan watsawa bai wuce kilomita 20 ba;

●Sama da ƙasan layin daidaitawa 1.244Gbit/s. Taimaka wa aikin ƙididdigar zirga-zirgar tashar jiragen ruwa;

●Taimaka wa aikin rarraba bandwidth mai ƙarfi da tsayayye.

● Goyi bayan ayyukan watsa shirye-shirye da yawa da watsa shirye-shirye da yawa

Manyan alamun fasaha na cibiyar sadarwar xPON:

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

(2) Tsarin aiki mai yawa: Tallafawa TDM, ATM, Ethernet, CATV, da kuma bayar da garantin QoS mai tsauri, wanda zai iya haɗawa da ayyukan da ake da su gaba ɗaya. Yana goyon bayan inganta kasuwancin cikin sauƙi.

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

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

(5) Dandalin software na sarrafa tsarin haɗin kai: Don hanyoyin samun dama daban-daban, sami dandamalin sarrafa hanyar sadarwa mai haɗin kai

Tsarin gini

Tsarin hanyar sadarwa ta fiber optical mai wucewa tsarin watsawa ne na fiber optical broadband wanda ya ƙunshi tashar layin gani (OLT), hanyar sadarwa ta rarraba haske (ODN), da kuma sashin hanyar sadarwa ta gani (ONU), wanda aka fi sani da tsarin PON. An nuna samfurin tsarin PON a Hoto na 1.

Tsarin PON yana amfani da tsarin hanyar sadarwa mai maki-zuwa-maki-da-yawa, yana amfani da hanyar sadarwa mai rarrabawa ta gani mai aiki a matsayin hanyar watsawa, yana amfani da yanayin watsawa a cikin hanyar haɗin ƙasa, da kuma yanayin aiki na TDM a cikin hanyar haɗin sama, wanda ke samar da watsa siginar fiber guda ɗaya mai jagora biyu. Idan aka kwatanta da hanyar sadarwa ta gargajiya, tsarin PON zai iya rage yawan amfani da damar shiga ɗakin kwamfuta da samun kebul na gani, ƙara yawan rufe hanyar sadarwa na hanyar shiga, ƙara yawan damar shiga, rage yawan gazawar layuka da kayan aiki na waje, da kuma inganta amincin tsarin. A lokaci guda, yana kuma adana kuɗaɗen kulawa, don haka tsarin PON shine babban fasahar aikace-aikacen hanyar sadarwa ta hanyoyi biyu ta NGB.

Dangane da nau'ikan tsarin watsa sigina daban-daban, ana iya kiransa da xPON, kamar APON, BPON, EPON, GPON da WDM-PON. An yi amfani da GPON da EPON sosai a duk faɗin duniya, kuma akwai manyan aikace-aikace a cikin sauya hanyoyin sadarwa na rediyo da talabijin ta hanyoyi biyu. WDM-PON tsarin ne wanda ke amfani da tashoshi masu zaman kansu tsakanin OLT da ONU don samar da haɗin kai tsakanin maki-da-maki. Idan aka kwatanta da TDM- kamar EPON da GPON, PON da WDM-PON suna da fa'idodin babban bandwidth, bayyanannen tsari, aminci da aminci, da ƙarfin daidaitawa. Su ne alkiblar ci gaba a nan gaba. A cikin ɗan gajeren lokaci, saboda ƙa'idodin WDM-PON masu rikitarwa, farashin na'urori masu yawa, da kuma farashin tsarin mai yawa, har yanzu ba ta da sharuɗɗan aikace-aikacen manyan sikelin.

Babban alamun fasaha na xPON

① Ƙarfin tsarin: Tsarin yana da babban ƙarfin IP switching core (30G), yana ba da hanyar sadarwa ta Ethernet 10G, kuma kowane OLT zai iya tallafawa PON 36;

② Tsarin aiki mai yawa: tallafawa TDM, ATM, Ethernet, CATV, da kuma samar da garantin QoS mai tsauri, wanda zai iya ɗaukar kasuwancin da ke akwai gaba ɗaya, kuma yana tallafawa haɓaka kasuwancin cikin sauƙi;

③ Tsarin yana da ingantaccen aminci da buƙatun samuwa: Tsarin yana ba da zaɓi na hanyar sauya kariya ta 1+1 don cika cikakken buƙatun hanyar sadarwar sadarwa don amincin hanyar sadarwa, kuma lokacin sauyawa bai wuce mita 50 ba;

④ Kewayon hanyar sadarwa: Ana iya saita diamita na cibiyar sadarwa ta 10-20km don cika buƙatun hanyar sadarwa ta shiga gaba ɗaya;

⑤ Tsarin software na tsarin haɗin kai: Don hanyoyin samun dama daban-daban, yana da dandamalin gudanar da hanyar sadarwa mai haɗin kai.

HUANET yana samar da samfura da yawa na xPON ONU, xPON ONT, waɗanda suka 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.