Cibiyar sadarwar da ake kira PON ta ƙunshi sassa uku:OLT, ODN daONU.AnOLTna'urar tana a tsakiyar cibiyar sadarwar topology. Yana samun damar cibiyoyin sadarwar sabis da yawa zuwa sama da sabis na masu amfani da yawa zuwa ƙasa ta ODN. Yana da mahimmancin kumburi don tara sabis da rarrabawa.OLTlokaci guda yana gane yawancin ayyukan gudanarwa na cibiyar sadarwa kamar sarrafawa, gudanarwa, jeri da sauransu zuwa na'urar abokin cinikiONU.OLTna'urori sune jigon hanyar sadarwar PON duka dangane da wurin cibiyar sadarwa ko aikin cibiyar sadarwa. Tare da ƙarin ayyuka kamar samun damar Intanet, bidiyo na IPTV na 4K, sabis na gida mai kaifin baki, layukan sadaukar da kanana da matsakaitan masana'antu, muryar IMS, da bayanan wayar hannu ana ɗaukar su akan hanyar sadarwar PON, buƙatar bandwidth da matakin haɓakawa. gudanarwa na ci gaba da karuwa .Haɓaka fasahar PON da ƙaddamarwa da juyin halitta naOLTna'urori suna taka muhimmiyar rawa wajen haɓaka hanyoyin sadarwar hanyoyin sadarwa.
Binciken matsayin cibiyar sadarwar PON
(1)OLTtura kayan aiki
TheOLTAn tura kayan aikin ma'aikatan cikin gida a cikin 2006, kuma an yi amfani da su don samun damar PON + DSL a matakin farko. Tun daga 2009, an tura FTTH akan babban sikeli fiye da shekaru 10. Dangane da bandwidth na ramin, ƙarfin sauyawa na injin gabaɗaya, da kuma goyon bayan katin hukumar PON, akwai 2 ~ 3 ƙarni na samfurori da ke gudana a cikin hanyar sadarwa na yanzu. Ƙaƙƙarfan sauyawar ramin guda ɗaya na babban kayan turawa na masana'anta a cikin Ayyukan hanyar sadarwa na yanzu sun kai 40G/ Ramin, kuma duk suna goyan bayan 10G EPON da XG-PON1.
(2) tura fasahar PON
Tare da amfani da kasuwancin sannu a hankali na fasahar 10G PON, katunan PON sun daidaita taOLTNa’urorin da ke cikin tsarin sadarwa na yanzu sun kasu zuwa nau’i hudu: EPON, GPON, 10G EPON da XG-PON, daga cikinsu akwai EPON da GPON.
Karkashin inganta ingantaccen ka'idojin EPON ta China Telecom da China Unicom, ana sayar da ma'aikacin gida na EPON kimanin shekaru 2 zuwa 3 kafin GPON. Kafin 2013, EPON ya mamaye ginin, sa'an nan kuma, saboda fa'idodin GPON a cikin bandwidth, sannu a hankali ya mamaye matsayi mafi girma.OLTgini. Daga hangen nesa na aika hannun jari na cibiyar sadarwa na yanzu, daOLTKayan aikin China Unicom da China Mobile galibi GPON ne, yayin da China Telecom galibi EPON.
10G PON Construction ya fara a kusa da 2015. Kamar yadda farashin 10G Optical module kullum yana da yawa, farashin 10G PON ONT ya ninka sau 5 na tashar EPON / GPON da ake da su. A cikin yanayi na yanzu inda masu aiki gabaɗaya ke ba da tashoshi ga abokan ciniki, kuma buƙatun kasuwancin yana ƙasa da 100 Mbit / s, duk manyan masu aiki suna taka tsantsan game da turawa da aikace-aikacen 10G PON. A halin yanzu, ana amfani da tsarin ginin 10G PON a cikin 10 GPON + LAN da FTTH. A gefe guda, yana magance matsalar rashin isasshen bandwidth wanda yawancin masu amfani da damar ke haifarwa; a gefe guda, tun da masu amfani da yawa suna raba farashin kayan gani na gani a cikin MDU, ƙimar gabaɗaya ta ƙaru kaɗan idan aka kwatanta da PON + LAN, don haka yana da babban aikace-aikace, kuma duka 10G PON da XG-PON an karɓi su. Ginin 10G PON FTTH galibi aikin gwaji ne da wasu kamfanoni ke gudanarwa. Babban manufar ita ce tallata da tabbatar da samfuran 10G PON FTTH.
Abin da ke sama shine bayanin gaba ɗaya tsarin hanyar sadarwar PON. Samfuran hanyar sadarwa na Shenzhen HDV Photoelectronic Technology Co., Ltd. duk kayan aikin da aka samar a kusa da hanyar sadarwar PON, gami daONUjerin /OLTjerin / na gani module jerin / transceiver jerin da sauransu.
