SONET: ko te whatunga whatu tukutahi, he paerewa whakawhiti mamati, i whakauruhia ki te United States i te tau 1988. Ko te tohu hiko taumata 1 e kiia ana ko STS-1, ko te tohu tohu mata 1 kua tohua hei OC-1, me te tere o te 51.84Mb / s. I runga i tenei kaupapa,whakahou ake ma te maha ki te whakapai ake i te tere tuku me te pai o te tuku.I muri mai, ka whakatauhia e ITU-T te paerewa ao SDH whakakotahi i te ao i runga i tenei paerewa, na reira ka kiia ko SONET he waahanga o te paerewa SDH.
Ka tautuhia e SONET nga apa atanga whatu e wha, mai i runga ki raro ko:
1. Ko te paparanga whakaahua (Photonic Layer) ka tukatuka i te tuku moka puta noa i te taura whatu, a ko te kawenga mo te huringa i waenga i te tohu hiko o te tuku tukutahi(STS) me te tohu whatu o te kawe whatu(OC). Ko te whakawhitiwhitinga korero e mahia ana e nga kaitahuri hiko-optic i tenei paparanga.
2. Ko te paparanga Wāhanga (Wāhanga Wāhanga) ka tukuna nga papa STS-N i runga i te taura whatu.Kei a ia te mahi o te hangahanga me te rapu hapa
Ko nga papa e rua o runga ake nei e tika ana, engari ko nga papa e rua e whai ake nei he mea whiriwhiri.
3. Ko te paparanga raina (Line Layer) te kawenga mo te tukutahi paparanga ara me te maha, me te tiaki aunoa o te whakawhiti.
4. Ko te paparanga ara (Path Layer) e mahi ana ki te tuku ratonga i waenga i nga taputapu tauranga ara PTE (Path Terminating Element), I tenei PTE hewhakawhitime nga kaha SONET. He atanga ano te paparanga ara ki nga whatunga SONET kore.
Ko enei paparanga e wha ka taea te kite he wehewehenga o te paparanga tinana i roto i te tauira paparanga OSI 7, na te mea ko nga paparanga e wha kei roto i te paparanga ahupūngao OSI.
SONET Ko te waahi e whakamahia nuitia ana ko tana tere tuku kua tohua:
OC-1 — 51.84Mbit/s
OC-3 — 155.52 Mbit/s
OC-12 — 622.08 Mbit/s
OC-24 — 1.244 Gbit/s
OC-48 — 2.488 Gbit/s
OC-96 — 4.976 Gbit/s
OC-192 — 9.953 Gbit/s
OC-256 — āhua 13 Gbit / s
OC-384 — āhua 20 Gbit/s
OC-768 — āhua 40 Gbit/s
OC-1536 — āhua 80 Gbit/s
OC-3072 — āhua 160 Gbit/s
Kei te korero matou mo nga whatunga muka tukutahi, ko te whakaurunga whanui ko nga korero o runga ake nei.Mo nga taputapu whatunga muka whatu e pa ana ki a Shenzhen HDV Photoelctron Technology Co., Ltd., penei: ACONU/KoreroreroONU/ MaamaaONU/ muka whatuONU/ XPONONU/ GPONONU, raneiOLTraupapa, raupapa transceiver me etahi atu. He momo taputapu whatunga, mena he hiahia mo nga kaihoko, ka taea e koe te hoki ki te wharangi kaainga ki te whakapiri atu ki ta maatau kamupene, e tatari ana mo to aroaro.
