o QSFP28 kōwae whatu kei reira?

Ko te QSFP28 optical module ka taea te kii he reanga hou o te waahanga whakaata, e paingia ana e te maha o nga kaihanga na ona painga penei i te iti o te rahi, te teitei o te tauranga tauranga, me te iti o te kohi hiko.Na, he aha nga momo waahanga QSFP8 whatu kei reira?
QSFP28 kōwae whatu kei te mohiotia ano ko 100G kōwae whatu.He waahanga nui o te whatunga 100G.Ka whakamahia te nuinga i roto i nga tono 100G Ethernet me EDR InfiniBand.E wha nga waahana whakawhiti 25Gbit/s ki te tuku raraunga.
E whai ake nei he kupu whakataki ki nga momo QSFP28 kōwae whatu:
1: QSFP28SR4 kōwae whatu
QSFP28SR4 kōwae whatu mohiotia hoki rite 100GBASE-SR4QSFP28 kōwae whatu.I te mea ko te nuinga o nga pokapu raraunga e whakamahi ana i te muka momo-maha, kua whakawhanakehia e IEEE tetahi paerewa mo te 100GQSFP28 kōwae matapihi e tino tautoko ana i nga tono whakawhiti tawhiti poto-a-waa: 100GBASE-SR4 .QSFP28SR4 kōwae whatu tango atanga MTP (8 cores), te tawhiti tuku ka whakamahia ki te OM3 multimode muka ko 70m, me te tawhiti tuku ka whakamahia ki te OM4 multimode muka ko 100m, e tika ana mo te tuku tawhiti poto, QSFP28SR4 kōwae whatu no ki whakarara 100G Te Ko nga painga o te waahanga o te tauranga teitei me te utu iti.

Ko nga ahuatanga o te hua e whai ake nei:
(100GQSFP28SR4100m kōwae whatu)
4-hongere kōwae whakawhiti matarua-katoa
Te utu whakawhiti ki te 26Gbps mo ia hongere
Tautoko 40GE me 56GEFDR rua reiti
4-channel 850nm VCSEL raupapa
4-hongere-whakaahua whakaahua PIN
Kaiwhiwhi me te kaiwhakawhiti i roto i te ara iahiko CDR
Tautokohia te karo CDR
Kohi hiko iti<2.5W
QSFP mōkihi wera-swappable
Ko te tawhiti tuku morahi o te muka multimode OM3 (MMF) he 70m, ko OM4MMF he 100m
Ko te atanga muka ka whakaae ki te MPO kotahi
Hanga-i roto i te tātaritanga matihiko
Te pāmahana mahi 0 ℃ ~ 70 ℃
3.3v ngaohiko tuku
Tutaki RoHS-6 (kore-arahi)

2: QSFP28LR4 kōwae whatu
QSFP28LR4 kōwae whatu kei te huaina hoki 100GBASE-LR4QSFP28 kōwae whatu.Mo te tuku tawhiti 100G, kua hangaia e IEEE te paerewa 100GBASE-LR4 mo te 100GQSFP28 kōwae whatu.Ko te QSFP28LR4 kōwae whatu hoki e whakamahi ana i nga waahana muka 4.Ko te rereketanga ko te whakauru i te hangarau WDM, ka taea te maha o nga roangaru rereke o nga waahana muka 4 ki te muka whatu kotahi mo te tuku.Na reira, ka whakamahia e te QSFP28LR4 kōwae whatu he atanga LC matarua., ka taea e te tawhiti whakawhiti te tae ki te 10km ka whakamahia me te muka aratau kotahi, e whakarato ana i te otinga mo te piki haere o te tono tawhiti whakawhiti o nga pokapū raraunga tino nui.

Ko nga ahuatanga hua e whai ake nei: (100GQSFP28LR44KM kōwae whatu)
.4-hongere kōwae transceiver matarua-katoa
Ko te terenga raraunga tuku mo ia hongere he 26Gbps
4x26Gb/s DFB-i runga i te WDM 4-hongere tuku mo te whatunga rohe taone nui
Kaiwhiwhi me te hongere ara iahiko tuku me te CDR kua hangaia
Kohi hiko iti<3.5w
Mōkihi QSFP wera-swappable
Te tawhiti tuku ki te 4 kiromita i runga G.652 muka aratau kotahi
Atanga whatu LC rua
Hanga-i roto i te mahi tātaritanga matihiko
Te pāmahana mahi 0°C+70°C
3.3v ngaohiko tuku
Tutaki RoHS6 (kore-arahi)

3: QSFP28PSM4 kōwae whatu
Ko te QSFP28PSM4 optical module e mohiotia ana ano ko te 100GBASE-PSM4QSFP28 kōwae optical, he ahua QSFP wera-wera, he hanga-i roto i te mahi tātaritanga mamati, me nga painga o te tere tere me te iti o te kaha o te kaha.Ko te 100GBASE-PSM4 he whakaaetanga maha-puna (MSA), i hangaia mo te 100GQSFP28 kōwae whatu.QSFP28PSM4 kōwae whatu te nuinga whakamahia mo te reo me te tawhiti-tawhiti tono tuku.Ka tangohia e ia atanga MTP.Ina whakamahia ana me te aratau kotahi-nui te muka whatu, ka tae te tawhiti tuku ki te 500m, a e waru ona muka whatu, a ko te reiti raraunga o ia muka whatu ko 25Gbps.

Ko nga ahuatanga hua e whai ake nei: (100GQSFP28PSM42km kōwae whatu)
4-hongere ki tonu-matarua kōwae whatu transceiver
Ko te terenga raraunga tuku mo ia hongere he 26Gbps
4 hongere 1310nm
.4-hongere PIN photodetector raupapa
.Hanga-i roto i te CDR iahiko i te kaiwhiwhi me te tuku
.Tautoko CDR shunt circuitous
.He iti te kohi hiko <3.5w
.Hot-swappable QSFP mōkihi
.Whakawhiti 2KM i runga G.652 muka aratau kotahi
.Kotahi-aratau MPO (tohu APC8) turanga tūhono
.Hanga-i roto i te mahi tātaritanga matihiko
.Pamahana mahi 0°C+70°C
.3.3v ngaohiko tuku
.Tutaki RoHS6 (kore-arahi)
4: QSFP28CWDM4 kōwae whatu
Ko te QSFP28CWDM4 optical module e mohiotia ana ko 100GBASE-CWDM4QSFP28 module optical, te nuinga o te whakamahi i roto i te rorohiko, te hokohoko teitei me etahi atu mara, ko te 100GBASE-CWDM4 he whakaaetanga maha-puna (MSA), ko te QSFP28CWDM4 optical module ka whakauru ano i te hangarau WDM, ma te whakamahi i te LC Atanga duplex, ka whakamahia me te muka aratau kotahi, ka tae te tawhiti tuku ki te 2km.

Ko nga ahuatanga hua e whai ake nei: (100GQSFP28CWDM42KM kōwae optical)
.4-hongere kōwae whatu matarua-katoa
.Te tere whakawhiti ki te 26Gbps ia hēkona
.4x26Gb/s DFB-based CWDM unc