He aha ngā momo kōwae whatu QSFP28 kei reira?

Ka taea te kī ko te kōwae whatu QSFP28 he whakatupuranga hou o te kōwae whatu, e paingia ana e te tini o ngā kaihanga nā ōna painga pēnei i te iti o te rahi, te nui o te tauranga, me te iti o te whakamahinga hiko. Nā, he aha ngā momo kōwae whatu QSFP8 kei reira?
E mōhiotia ana te kōwae whatu QSFP28 ko te kōwae whatu 100G. He wāhanga nui tēnei o te whatunga 100G. E whakamahia nuitia ana i roto i ngā tono 100G Ethernet me EDR InfiniBand. E whakamahi ana i ngā hongere tuku e whā 25Gbit/s hei tuku raraunga.
Koinei te kupu whakataki ki ngā momo kōwae whatu QSFP28:
1: kōwae whatu QSFP28SR4
Ko te kōwae whatu QSFP28SR4 e mōhiotia ana ko te kōwae whatu 100GBASE-SR4QSFP28. Nā te mea he maha ngā pokapū raraunga e whakamahi ana i te muka whatu maha-aratau, kua whakawhanakehia e IEEE he paerewa mō te kōwae whatu 100GQSFP28 e tautoko ana i ngā tono tuku tawhiti poto muka whatu maha-aratau: 100GBASE-SR4. Ka whakamahia e te kōwae whatu QSFP28SR4 te atanga MTP (8 matua), ko te tawhiti tuku ina whakamahia me te muka maha-aratau OM3 he 70m, ā, ko te tawhiti tuku ina whakamahia me te muka maha-aratau OM4 he 100m, he pai mō te tuku tawhiti poto, no te kōwae whatu QSFP28SR4 te kōwae whatu whakarara 100G. He painga o te kōwae whatu ko te kiato tauranga teitei me te utu iti.

Ko ngā āhuatanga o te hua e whai ake nei:
(Mōwae whatu 100GQSFP28SR4100m)
Kōwae whakawhiti-rua-katoa 4-hongere
Te tere whakawhiti tae atu ki te 26Gbps mō ia hongere
Tautokohia ngā reiti e rua mō te 40GE me te 56GEFDR
4-hongere 850nm VCSEL array
Ngā pūoko whakaahua PIN 4-hongere
Ara iahiko CDR whakauru-roto mō te kaiwhiwhi me te tuku
Tautokohia te karo CDR
He iti te whakamahinga hiko <2.5W
Mōkihi whakawhiti-wera QSFP
Ko te tawhiti tuku mōrahi o te muka maha-aratau OM3 (MMF) he 70m, ā, ko te OM4MMF he 100m.
Ka whakaaetia e te atanga muka te MPO kotahi
Ngā tātaritanga mamati kua whakauruhia
Te pāmahana mahi 0℃~70℃
Ngaohiko tuku 3.3v
Tūtaki ki te RoHS-6 (kore-mata)

2: kōwae whatu QSFP28LR4
Ko te kōwae whatu QSFP28LR4 e kiia ana ko te kōwae whatu 100GBASE-LR4QSFP28. Mō te tuku tawhiti 100G, kua titoa e IEEE te paerewa 100GBASE-LR4 mō te kōwae whatu 100GQSFP28. E whakamahi ana hoki te kōwae whatu QSFP28LR4 i ngā hongere muka e 4. Ko te rerekētanga ko te whakauru i te hangarau WDM, ka taea te whakarea i ngā roangaru rerekē o ngā hongere muka e 4 ki roto i te muka whatu kotahi mō te tuku. Nō reira, e whakamahi ana te kōwae whatu QSFP28LR4 i te atanga LC takirua. , ka taea e te tawhiti tuku te tae ki te 10km ina whakamahia me te muka aratau-kotahi, e whakarato ana i te otinga mō te tono tawhiti tuku e piki haere ana o ngā pokapū raraunga tino nui.

Ko ngā āhuatanga o te hua e whai ake nei: (100GQSFP28LR44KM kōwae whatu)
.4-hongere kōwae whakawhiti-rua-katoa
Ko te tere tuku raraunga mō ia hongere he 26Gbps
Tukutuku WDM 4-hongere DFB-4x26Gb/s mō te whatunga rohe tāone nui
Te hongere ara iahiko o te kaiwhiwhi me te tuku me te CDR kua hangaia
He iti te whakamahinga hiko <3.5w
Mōkihi QSFP whakawhiti-wera
Te tawhiti tuku tae atu ki te 4 km i runga i te muka aratau-kotahi G.652
Atanga whatu LC takirua
Mahi tātaritanga mamati kua whakauruhia
Te pāmahana mahi 0°C+70°C
Ngaohiko tuku 3.3v
Tūtaki ki te RoHS6 (kore-mata)

3: kōwae whatu QSFP28PSM4
Ko te kōwae whatu QSFP28PSM4 e mōhiotia ana ko te kōwae whatu 100GBASE-PSM4QSFP28, he āhua QSFP whakawhiti-wera, he mahi tātaritanga mamati kua hangaia ki roto, ā, he painga o te tere tere me te iti o te kai hiko. Ko te 100GBASE-PSM4 he whakaaetanga maha-pūtake (MSA), e hangaia ana mō ngā kōwae whatu 100GQSFP28. Ko te kōwae whatu QSFP28PSM4 e whakamahia ana mō ngā tono tuku tawhiti waenga me tawhiti roa. Ka whakamahia e ia te atanga MTP. Ina whakamahia me te muka whatu maha-matua aratau-kotahi, ka taea e te tawhiti tuku te eke ki te 500m, ā, e waru ngā muka whatu, ā, ko te tere raraunga o ia muka whatu he 25Gbps.

Ko ngā āhuatanga o te hua e whai ake nei: (kōwae whatu 100GQSFP28PSM42km)
Kōwae whakawhiti muka whatu takirua-katoa 4-hongere
Ko te tere tuku raraunga mō ia hongere he 26Gbps
4 ngā hongere 1310nm
.4-hongere PIN whakaahua-pūhara
.He ara iahiko CDR kua hangaia ki te kaiwhiwhi me te tuku
Tautokohia te porowhita porowhita CDR shunt
He iti te whakamahinga hiko <3.5w
Mōkihi QSFP whakawhiti-wera
Tuku 2KM i runga i te muka aratau-kotahi G.652
Pūoko hononga MPO aratau-kotahi (APC8 tohu)
Mahi tātaritanga mamati kua whakauruhia
Te pāmahana mahi 0°C+70°C
.3.3v te ngaohiko tuku
.Tutaki ki te RoHS6 (kore-mata)
4: kōwae whatu QSFP28CWDM4
Ko te kōwae whatu QSFP28CWDM4 e mōhiotia ana ko te kōwae whatu 100GBASE-CWDM4QSFP28, e whakamahia ana i roto i te rorohiko, te hokohoko auau-tiketike me ētahi atu mara, ko te 100GBASE-CWDM4 he whakaaetanga maha-pūtake (MSA), ka whakauruhia hoki e te kōwae whatu QSFP28CWDM4 te hangarau WDM, ma te whakamahi i te Atanga LC duplex, ina whakamahia me te muka aratau-kotahi, ka taea e te tawhiti tuku te tae ki te 2km.

Ko ngā āhuatanga o te hua e whai ake nei: (kōwae whatu 100GQSFP28CWDM42KM)
Kōwae whatu takirua-katoa .4-hongere
Te tere whakawhiti tae atu ki te 26Gbps ia hekona
.4x26Gb/s DFB-based CWDM unc