I-QSFP28 optical module ingathiwa iyisizukulwane esisha se-optical module, ethandwa abakhiqizi abaningi ngenxa yezinzuzo zayo njengosayizi omncane, ukuminyana kwama-port amaningi, kanye nokusetshenziswa kwamandla aphansi. Ngakho-ke, yiziphi izinhlobo zama-QSFP8 optical modules akhona?
I-QSFP28 optical module yaziwa nangokuthi i-100G optical module. Iyingxenye ebalulekile yenethiwekhi ye-100G. Isetshenziswa kakhulu ezinhlelweni zokusebenza ze-100G Ethernet kanye ne-EDR InfiniBand. Isebenzisa iziteshi ezine zokudlulisa ze-25Gbit/s ukudlulisa idatha.
Okulandelayo yisingeniso sezinhlobo zamamojula we-QSFP28 optical:
1: Imodyuli ye-optical ye-QSFP28SR4
Imodyuli ye-optical ye-QSFP28SR4 yaziwa nangokuthi imodyuli ye-optical ye-100GBASE-SR4QSFP28. Njengoba izikhungo eziningi zedatha zisebenzisa i-fiber ye-optical yemodi eminingi, i-IEEE ithuthukise indinganiso yemodyuli ye-optical ye-100GQSFP28 esekela ngqo izinhlelo zokusebenza zokudlulisa i-fiber yemodi eminingi yemodi eminingi: i-100GBASE-SR4. Imodyuli ye-optical ye-QSFP28SR4 isebenzisa isikhombimsebenzisi se-MTP (ama-cores angu-8), ibanga lokudlulisa uma lisetshenziswa ne-fiber yemodi eminingi ye-OM3 lingu-70m, kanti ibanga lokudlulisa uma lisetshenziswa ne-fiber yemodi eminingi ye-OM4 lingu-100m, elifanele ukudlulisa ibanga elifushane, imodyuli ye-optical ye-QSFP28SR4 ingeye-100G ehambisanayo. Imodyuli ye-optical inezinzuzo zobuningi be-port ephezulu kanye nezindleko eziphansi.
Izici zomkhiqizo zimi kanje:
(Imojula ye-optical engu-100GQSFP28SR4100m)
Imojuli ye-transceiver egcwele iziteshi ezine
Izinga lokudlulisa lifinyelela ku-26Gbps ngesiteshi ngasinye
Sekela amazinga amabili e-40GE kanye ne-56GEFDR
Uhlu lwe-VCSEL oluneziteshi ezi-4 oluyi-850nm
I-array ye-PIN yesiteshi esine-photodetector
Isekethe ye-CDR eyakhelwe ngaphakathi yokwamukela kanye neyokudlulisa
Sekela i-CDR bypass
Ukusetshenziswa kwamandla okuphansi<2.5W
Iphakheji ye-QSFP eshintshashintshayo
Ibanga eliphezulu lokudluliswa kwe-OM3 multimode fiber (MMF) lingu-70m, kanti i-OM4MMF ingu-100m.
I-interface ye-Fiber yamukela i-MPO eyodwa
Ukuxilongwa kwedijithali okwakhelwe ngaphakathi
Ukushisa okusebenzayo 0℃ ~ 70℃
I-voltage yokunikezwa kwe-3.3v
Hlangana ne-RoHS-6 (engenalo i-lead)
2: Imodyuli ye-optical ye-QSFP28LR4
Imodyuli ye-QSFP28LR4 optical ibizwa nangokuthi imodyuli ye-optical ye-100GBASE-LR4QSFP28. Ku-transmission yebanga elide ye-100G, i-IEEE yakhe indinganiso ye-100GBASE-LR4 yemodyuli ye-optical ye-100GQSFP28. Imodyuli ye-optical ye-QSFP28LR4 isebenzisa neziteshi ze-fiber ezine. Umehluko ukuthi yethula ubuchwepheshe be-WDM, obungahlanganisa ubude obuhlukene bamaza eziteshi ze-fiber ezine zibe yi-fiber eyodwa ye-optical yokudlulisa. Ngakho-ke, imodyuli ye-optical ye-QSFP28LR4 isebenzisa isikhombimsebenzisi se-duplex LC. , ibanga lokudlulisa lingafinyelela ku-10km uma lisetshenziswa ne-fiber yemodi eyodwa, enikeza ikhambi lesidingo sebanga lokudlulisa esandayo sezikhungo zedatha ezinkulu kakhulu.
Izici zomkhiqizo yilezi ezilandelayo: (100GQSFP28LR44KM optical module)
Imojula ye-transceiver egcwele iziteshi ezimbili engu-.4
Izinga lokudlulisa idatha ngesiteshi ngasinye lingu-26Gbps
Isithumeli se-WDM esineziteshi ezine esisekelwe ku-DFB esingu-4x26Gb/s senethiwekhi yendawo yedolobha
Isiteshi sesekethe yokwamukela kanye neyokudlulisa esine-CDR eyakhelwe ngaphakathi
Ukusetshenziswa kwamandla okuphansi<3.5w
Iphakheji ye-QSFP eshintshwayo eshisayo
Ibanga lokudlulisela lifika kumakhilomitha angu-4 ku-fiber yemodi eyodwa ye-G.652
I-Double LC optical interface
Umsebenzi wokuxilonga wedijithali owakhelwe ngaphakathi
Izinga lokushisa lokusebenza 0°C+70°C
I-voltage yokunikezwa kwe-3.3v
Hlangana ne-RoHS6 (engenalo i-lead)
3: QSFP28PSM4 imodyuli yokukhanya
I-QSFP28PSM4 optical module yaziwa nangokuthi i-100GBASE-PSM4QSFP28 optical module, enesimo se-QSFP esishintshashintshayo esishisayo, umsebenzi wokuxilonga wedijithali owakhelwe ngaphakathi, futhi inezinzuzo zokusebenzisa isivinini esikhulu kanye nokusetshenziswa kwamandla aphansi. I-100GBASE-PSM4 iyisivumelwano semithombo eminingi (i-MSA), esakhelwe kakhulu amamojula optical e-100GQSFP28. I-QSFP28PSM4 optical module isetshenziswa kakhulu kwizinhlelo zokusebenza zokudlulisa eziphakathi nendawo nezinde. Yamukela isikhombimsebenzisi se-MTP. Uma isetshenziswa ne-fiber optical yemodi eyodwa, ibanga lokudlulisa lingafinyelela ku-500m, futhi inezintambo zokudlulisa eziyisishiyagalombili, futhi izinga ledatha le-fiber ngayinye yokudlulisa lingu-25Gbps.
Izici zomkhiqizo yilezi ezilandelayo: (100GQSFP28PSM42km optical module)
Imojula ye-transceiver ye-fiber optic egcwele iziteshi ezine
Izinga lokudlulisa idatha ngesiteshi ngasinye lingu-26Gbps
Iziteshi ezi-4 ezingama-1310nm
uhlu lwe-photodetector ye-PIN yeziteshi ezingu-.4
.Isekethe ye-CDR eyakhelwe ngaphakathi kumukeli kanye nomthumeli
.Sekela i-CDR shunt circuitous
Ukusetshenziswa kwamandla okuphansi <3.5w
Iphakheji ye-QSFP eshintshwayo.
.Thumela i-2KM ku-fiber yemodi eyodwa ye-G.652
Isokhethi yesixhumi se-MPO yemodi eyodwa (i-APC8 degree)
Umsebenzi wokuxilonga wedijithali owakhelwe ngaphakathi
.Izinga lokushisa lokusebenza 0°C+70°C
I-voltage yokunikeza engu-.3.3v
.Meet RoHS6 (engenalo i-lead)
4: QSFP28CWDM4 imodyuli yokukhanya
I-QSFP28CWDM4 optical module yaziwa nangokuthi i-100GBASE-CWDM4QSFP28 optical module, esetshenziswa kakhulu ekubaleni, ekuhwebeni ngemvamisa ephezulu nakwezinye izinkambu, i-100GBASE-CWDM4 nayo iyisivumelwano semithombo eminingi (i-MSA), i-QSFP28CWDM4 optical module iphinde yethule ubuchwepheshe be-WDM, isebenzisa i-LC duplex Interface, uma isetshenziswa ne-fiber yemodi eyodwa, ibanga lokudlulisela lingafinyelela ku-2km.
Izici zomkhiqizo yilezi ezilandelayo: (100GQSFP28CWDM42KM optical module)
Imojuli yokukhanya egcwele i-duplex yeziteshi ezingu-.4
.Isilinganiso sokudlulisa sifinyelela ku-26Gbps ngomzuzwana
I-CWDM esekelwe ku-DFB engu-.4x26Gb/s
Isikhathi sokuthunyelwe: Novemba-23-2022