ntawm QSFP28 optical modules puas muaj?

QSFP28 optical module tuaj yeem hais tias yog ib tiam tshiab ntawm optical module, uas tau txais kev nyiam los ntawm ntau lub tuam txhab vim nws qhov zoo xws li qhov me me, qhov chaw nres nkoj siab, thiab kev siv hluav taws xob tsawg. Yog li, cov hom QSFP8 optical modules twg muaj?
QSFP28 optical module tseem hu ua 100G optical module. Nws yog ib feem tseem ceeb ntawm 100G network. Nws feem ntau yog siv rau hauv 100G Ethernet thiab EDR InfiniBand daim ntawv thov. Nws siv plaub txoj kev xa xov 25Gbit / s los xa cov ntaub ntawv.
Cov hauv qab no yog kev qhia txog cov hom QSFP28 optical modules:
1: QSFP28SR4 kho qhov muag module
QSFP28SR4 optical module tseem hu ua 100GBASE-SR4QSFP28 optical module. Vim tias feem ntau ntawm cov chaw khaws ntaub ntawv siv ntau hom optical fiber, IEEE tau tsim tus qauv rau 100GQSFP28 optical module uas txhawb nqa ntau hom optical fiber luv luv-distance daim ntawv thov: 100GBASE-SR4. QSFP28SR4 optical module txais yuav MTP interface (8 cores), qhov kev sib kis thaum siv nrog OM3 multimode fiber yog 70m, thiab qhov kev sib kis thaum siv nrog OM4 multimode fiber yog 100m, haum rau kev sib kis luv luv, QSFP28SR4 optical module koom nrog parallel 100G Lub optical module muaj qhov zoo ntawm qhov chaw nres nkoj siab thiab tus nqi qis.

Cov yam ntxwv ntawm cov khoom muaj raws li nram no:
(100GQSFP28SR4100m optical module)
4-channel full-duplex transceiver module
Kev hloov pauv mus txog 26Gbps ib channel
Txhawb nqa 40GE thiab 56GEFDR ob tus nqi
4-channel 850nm VCSEL array
4-channel PIN photodetector array
Tus txais thiab tus xa xov xwm ua ke CDR circuit
Kev txhawb nqa CDR bypass
Kev siv hluav taws xob tsawg <2.5W
QSFP pob khoom kub-hloov tau
Qhov siab tshaj plaws kis tau tus mob ntawm OM3 multimode fiber (MMF) yog 70m, thiab OM4MMF yog 100m
Fiber interface txais ib qho MPO
Kev kuaj mob digital uas ua tiav
Kub ua haujlwm 0 ℃ ~ 70 ℃
3.3v qhov hluav taws xob
Ua tau raws li RoHS-6 (tsis muaj txhuas)

2: QSFP28LR4 kho qhov muag module
QSFP28LR4 optical module tseem hu ua 100GBASE-LR4QSFP28 optical module. Rau 100G kev sib kis ntev, IEEE tau tsim tus qauv 100GBASE-LR4 rau 100GQSFP28 optical module. QSFP28LR4 optical module kuj siv 4 fiber channels. Qhov txawv yog tias nws qhia txog WDM technology, uas tuaj yeem ua ntau qhov wavelengths sib txawv ntawm 4 fiber channels rau hauv ib qho optical fiber rau kev sib kis. Yog li ntawd, QSFP28LR4 optical module siv duplex LC interface. , qhov kev sib kis tuaj yeem ncav cuag 10km thaum siv nrog ib hom fiber, uas muab kev daws teeb meem rau qhov kev thov sib kis ntawm cov chaw khaws ntaub ntawv loj heev.

Cov yam ntxwv ntawm cov khoom yog raws li nram no: (100GQSFP28LR44KM optical module)
.4-channel full-duplex transceiver module
Tus nqi xa cov ntaub ntawv ib channel yog 26Gbps
4x26Gb/s DFB-raws li WDM 4-channel transmitter rau metropolitan area network
Lub receiver thiab transmitter circuit channel nrog built-in CDR
Kev siv hluav taws xob tsawg <3.5w
Pob khoom QSFP uas hloov tau kub
Kev kis tau deb txog li 4 km ntawm G.652 ib hom fiber
Ob chav LC optical interface
Ua-nyob rau hauv digital diagnostic muaj nuj nqi
Kub ua haujlwm 0 ° C + 70 ° C
3.3v qhov hluav taws xob
Ua tau raws li RoHS6 (tsis muaj txhuas)

3: QSFP28PSM4 optical module
QSFP28PSM4 optical module tseem hu ua 100GBASE-PSM4QSFP28 optical module, uas muaj cov duab QSFP kub-hloov tau, ua tiav hauv kev kuaj mob digital, thiab muaj qhov zoo ntawm kev ceev ceev thiab kev siv hluav taws xob tsawg. 100GBASE-PSM4 yog ib qho kev pom zoo ntau qhov chaw (MSA), uas feem ntau yog tsim rau 100GQSFP28 optical modules. QSFP28PSM4 optical module feem ntau yog siv rau kev xa xov nruab nrab thiab ntev. Nws siv MTP interface. Thaum siv nrog ib hom multi-core optical fiber, qhov kev ncua deb kis tau tuaj yeem ncav cuag 500m, thiab nws muaj yim optical fibers, thiab cov ntaub ntawv ntawm txhua optical fiber yog 25Gbps.

Cov yam ntxwv ntawm cov khoom yog raws li nram no: (100GQSFP28PSM42km optical module)
4-channel full-duplex fiber optic transceiver module
Tus nqi xa cov ntaub ntawv ib channel yog 26Gbps
4 txoj kab 1310nm
.4-channel PIN photodetector array
.Ua-nyob rau hauv CDR circuit ntawm receiver thiab transmitter
.Txhawb nqa CDR shunt circuitous
. Siv hluav taws xob tsawg <3.5w
. Pob khoom QSFP kub-hloov tau
. Xa 2KM ntawm G.652 ib hom fiber ntau
.Ib hom MPO (APC8 degree) qhov txuas
.Ua-nyob rau hauv cov kev kuaj mob digital
.Ua haujlwm kub 0 ° C + 70 ° C
.3.3v qhov hluav taws xob muab hluav taws xob
Ua raws li RoHS6 (tsis muaj txhuas)
4: QSFP28CWDM4 kho qhov muag module
QSFP28CWDM4 optical module tseem hu ua 100GBASE-CWDM4QSFP28 optical module, feem ntau yog siv rau hauv kev suav lej, kev lag luam siab thiab lwm yam teb, 100GBASE-CWDM4 kuj yog ib qho kev pom zoo ntau qhov chaw (MSA), QSFP28CWDM4 optical module kuj qhia txog WDM technology, siv LC duplex Interface, thaum siv nrog ib hom fiber, qhov kev sib kis tau tuaj yeem ncav cuag 2km.

Cov yam ntxwv ntawm cov khoom yog raws li nram no: (100GQSFP28CWDM42KM optical module)
.4-channel full-duplex optical module
. Kev hloov pauv tus nqi txog li 26Gbps ib ob
.4x26Gb/s DFB-raws li CWDM unc