(1) Ụzọ mmepe teknụzụ 10G PON
EPON nke IEEE na-achị, na GPON nke ITU na-achị na-agbago na ọkwa GPON iri ugbu a na atụmatụ na-esote bụ ma 100G PON. Enwere ụfọdụ ndịiche na ụzọ evolushọn akọwapụtara, na ụzọ evolushọn kwekọrọ na-egosi na foto a:
(2) Evolushọn teknụzụ EPON
10G EPON symmetric na asymmetric ụkpụrụ teknụzụ na ngwaahịa emechaala, Tụkwasị na nke ahụ, ọ nwere uru nke ibikọ ọnụ na ọnụ EPON n'otu netwọk ODN na-enweghị ịgbakwunye multiplexer. Mgbe centralized ịzụ ahịa nkeOLTna 2016, OLT's 10G PON optical modul ebelatala na ọnụahịa
. N'ịtụle n'ọdịnihu evolushọn nke netwọk, ndị ọrụ malitere ịzụlite 10G EPON n'ihu na mpaghara njedebe, ma ka na-eji EPON ONT na ahịa na-arụ FTTH ewu. N'otu oge ahụ, n'ihi na ọnụ ahịa dị iche n'etiti symmetric optical modul na asymmetric optical modul adịghị nnukwu, na-atụle bandwit ratio nke asymmetric 10G EPON upstream na downstream njikọ bụ 1:10, iji zere nkwalite nkwalite kpatara nke sochirinụ. mmepe ọrụ nkwalite, ndị na-ahụ maka ọrụ na-enwekarị mmasị ibuga ụdị symmetric 10G EPON naOLTakụkụ. Nzọụkwụ ọzọ maka EPON ga-amalite na teknụzụ 100G PON.
(3) mgbanwe teknụzụ GPON
Maka ọkọlọtọ 10G GPON, ọkọlọtọ teknụzụ XG-PON asymmetric na ngwaahịa emechaala nke ọma. A tọhapụrụ ọkọlọtọ wavelength symmetric 10G GPON ọkọlọtọ XGS-PON na February 2016. N'ihi ngwaọrụ ndị tozuru oke na-etinye aka na ọkọlọtọ, ụfọdụ ngwaahịa nke ndị nrụpụta dị njikere maka iji azụmaahịa. Ọkọlọtọ NGPON2 (TWDMPON) nwere ogologo ikuku nwere ike imezi nke ọma. Ugbu a,OLTngwaahịa a na-azụmaahịa dị na Europe na America. N'otu oge ahụ, e nwere kwekọrọ ekwekọ ngwaahịa MDU maka enterprise raara nye akara ahịa. The ngwa anya modul na mgbanwe wavelength nke NGPON2 dị oké ọnụ na siri ike nweta. Mgbe ITU gbakwunyere symmetrical fix wavelength 10G ọkọlọtọ (XGS-PON), ụfọdụ emepụta kweere na NGPON2 nwere ike skipped na ozugbo evolve na 4*25G 100G PON ngwọta, na enwere ike ijikọ ya na ọkọlọtọ 100G EPON.
N'oge dị mkpirikpi, ọnụahịa ONT nke 10G PON agaghị adaba na ọnụahịa dị ugbu a nke EPON / GPON, ya mere ọ bụ ihe a na-apụghị izere ezere ihu ọnọdụ nke ịdị n'otu nke 10 GPON na onye ọrụ EPON / GPON ọnụ. N'ihi na GPON na XGPON ọnụ ọnụ na-ebikọ ọnụ n'otu netwọk ODN, WDM1r modul kwesịrị ịgbakwunye, nke na-egbochi ntinye nke XG-PON na netwọk dị ugbu a. Ya mere, ndị na-emepụta ihe bara uru nwere atụmatụ Combo PON nke encapsulate GPON na XGPON modul anya na WDM1r na otu modul anya. Agbanyeghị, naanị XFP nwere ike ịchịkọta modul ngwa anya nke atụmatụ Combo PON, na otu bọọdụ nwere ike nweta naanị ọdụ ụgbọ mmiri 8 PON (usoro ọdịnala).SFP+ nkwakọ ngwaahịa, na otu bọọdụ nwere ike nweta ọdụ ụgbọ mmiri 16 PON). Ka ọ dị ugbu a, n'ihi mmụba nke ntinye ntinye WDM1r, ihe ọkụ ọkụ chọrọ nke modul anya dị elu. Ka ọ dị ugbu a, ike na-egbuke egbuke nke B + / N1 nwere ike ime naanị, na C + / N2a modul ike dị elu enweghị ike ịnye n'ime obere oge, nke na-egbochi ngwa nke nnukwu ihe ngosi ihe ngosi dị anya.
Ihe dị n'elu bụ nkọwa nke EPON na evolushọn teknụzụ. Ngwaahịa netwọkụ nke Shenzhen HDV photoelectron Technology Co., Ltd bụ ngwa niile emepụtara na netwọk PON, gụnyereONUusoro /OLTusoro / optical module series / transceiver series and so on. Iji mepụta akụrụngwa netwọkụ kachasị mma, ụlọ ọrụ anyị nwere otu nyocha ọkachamara na mmepe mmepe, iji nye ndị ahịa ọrụ nkwado teknụzụ dị elu, nabata ịchọ ndị ọrụ ịghọta ngwaahịa anyị.
