A zamanin yau, tare da ci gaba da haɓakawa da haɓaka kayan aikin fiber na gani, PON (cibiyar sadarwar fiber na gani mai ƙarfi) ta zama hanya mai mahimmanci don ɗaukar sabis na hanyar sadarwa ta hanyar sadarwa.PON ya kasu kashi GPONkumaEPON. Ana iya cewa GPON ingantaccen sigar EPON ne.Wannan labarin, etu-link, yana kawo muku fahimtar tsarin gani na GPON.
Da farko dai, fasahar GPON ta fi EPON ta fuskar amfani da bandwidth, farashi, tallafin sabis da yawa, ayyukan OAM da sauran fannoni.GPON yana amfani da lambar lalata azaman lambar layi, kawai canza lambar ba tare da ƙara lambar ba, don haka babu asarar bandwidth.Dangane da farashi guda ɗaya, farashin yana da ƙasa tare da babban saurin Gigabit.Saboda nau'in marufi na musamman, yana iya tallafawa sabis na ATM da sabis na IP.OAM yana da wadatar bayanai, gami da rarraba izinin bandwidth, rarraba bandwidth mai ƙarfi (DBA), saka idanu kan hanyar haɗin gwiwa, sauyawar kariya, musayar maɓalli, da ayyukan ƙararrawa daban-daban.
Abubuwan buƙatun tsarin gani na tsarin GPON sun kasu zuwa matakai uku: A, B, da C. Alamomin gani na kowane matakin sun bambanta.A halin yanzu, an raba shi zuwa azuzuwan b+ da c+.Matsakaicin ikon karɓar gefen ONU gabaɗaya kusan 1-2dBm ƙasa da na gefen OLT.Bambance-bambancen sune kamar haka:
Babban aikin daGPON ONU Tsarin gani shine karba da fitar da haske, wanda Laser ya gane shi, ya canza siginar lantarki da aka canza zuwa siginar gani sannan a shigar da shi cikin cibiyar sadarwa ta fiber na gani don watsawa.Mai karɓa yana karɓar haske, yana haɓaka hasken da aka karɓa kuma ya canza shi zuwa siginar lantarki zuwa tsarin don sarrafa siginar don samun bayanai masu amfani.Nau'in kunshin shine SFP, SC dubawa, yawan watsawa shine 1.25g / 2.5g, nisa watsawa. iya isa 20km.Tsawon tsayin watsawa shine 1310nm kuma tsayin tsayin mai karɓa shine 1490nm.Ana tallafawa aikin tantancewar dijital na DDM, kuma zafin aiki na darajar kasuwanci (0 °C – 70 °C) da darajar masana'antu (-40 °C - + 85 °C) zaɓi ne.
Farashin GPON OLT Tantancewar module an kunshin tare da SFP, SC dubawa, 2.5g / 1.25g watsa kudi, 20km watsa nesa, 1490nm watsa zango, 1310nm karbar raƙuman ruwa, da goyon baya ga DDM dijital ganewar asali aiki, sa shi dace da Tantancewar line tashoshi.
Abin da ke sama shine bayanin ilimin GPON na gani na gani wanda Shenzhen HDV Photoelectric Technology Co., Ltd ya kawo. The module kayayyakin samar da kamfanin cover na gani fiber modules, Ethernet modules, na gani fiber transceiver modules, na gani fiber damar kayayyaki, SSFP Optical modules, kumaSFP Optical fibers, da sauransu. Samfuran samfurin da ke sama na iya ba da tallafi don yanayin hanyar sadarwa daban-daban.Ƙwararrun R & D mai ƙwararru da ƙarfi na iya taimaka wa abokan ciniki tare da al'amurran fasaha, kuma ƙungiyar kasuwanci mai tunani da ƙwararrun za su iya taimaka wa abokan ciniki su sami ayyuka masu inganci yayin shawarwarin da suka gabata da aikin samarwa.Barka da zuwa tuntube mu ga kowane irin tambaya.