Hauv kev lag luam kev sib txuas lus kho qhov muag, cov khoom siv kho qhov muag pom tau ntau tshaj plaws. Lawv muaj qhov sib txawv ntawm lub cev, thiab tus naj npawb ntawm cov channel thiab cov kis tau tus mob sib txawv heev. Yuav ua li cas cov modules raug tsim, lawv tus yam ntxwv yog dab tsi, thiab tag nrho cov secrets nyob rau hauv tus qauv.
Cov txheej txheem ntim khoom qub xws li GBIC, XPAK, X2, thiab Xenpak yuav raug tsis quav ntsej, thiab lub zog tseem ceeb yuav raug tsom rau cov qauv nruj dua lossis cov qauv tshiab, uas yuav raug ntsuas ib los ntawm ib qho hauv qab no.
SFF Standardization Organization: Lub koom haum SFF (me me-factor me me pob) standardization lub koom haum tau tsim nyob rau hauv lub yim hli ntuj 1990. Nws pib tsim 2.5-nti disk drives thiab nthuav mus rau lwm yam teb nyob rau hauv Kaum ib hlis 1992. Txog tam sim no, SFF tau dhau los ua ntau tshaj plaws thiab muaj kev vam meej. module txheem nyob rau hauv lub teb ntawm optical module ntim. Cov qauv kho qhov muag pom tau tsim los ntawm SFF feem ntau suav nrog SFP / QSFP / XFP.
SFP tus qauv
SFP (small form-factor Pluggable), ib tsev neeg ntawm daim ntawv me me-qhov tseem ceeb pluggable transceivers, feem ntau yog siv rau Ethernet, fiber ntau channel, Wireless CPRI, SONET: txhais tau hais tias ib leeg-channel SFP pob ntawm 1Gb / s txog 28Gb / s uas yuav tsum yog ua raws li Standard, nws cov qauv qhia hauv daim duab hauv qab no. Ua ntej muaj cov ntaub ntawv tshaj tawm, xws li SFF-8402 tau thov SFP28, SFF-8083 tau thov SFP10 (tus naj npawb ntawm qhov kawg sawv cev rau qib kis tau tus mob, SFP10 feem ntau sau ua SFP + tam sim no), daim ntawv tshaj tawm no tau hais txog qhov kev xav tau ntawm nws. hais Cov kev cai lij choj no suav nrog ua tus qauv tseem ceeb rau cov qauv no.
SFP series technical specifications feem ntau suav nrog:
SFF-8432, txhais qhov loj ntawm lub module (tsuas yog qhov loj ntawm lub installation), lub plugging quab yuam, thiab cov specification ntawm lub module tawb.
SFF-8071 txhais daim npav qhov txuas ntawm HOST motherboard thiab tus ntiv tes kub nkag mus ua ntu zus ntawm module motherboard.
SFF-8433, txhais tau ntau yam ntawm sab-los-sab module tawb thiab EMI shrapnel technical specifications.
SFF-8472, txhais lub cim xeeb module thiab kev tswj xyuas qhov tshwj xeeb.
SFF-8431 txhais cov khoom siv hluav taws xob, hluav taws xob hluav taws xob qis qis (cov kab sib txuas lus), cov teeb liab ceev ceev, lub sijhawm, thiab nco tau nyeem thiab sau cov lus qhia tshwj xeeb.
Vim tias qhov kev txhawb nqa SFP tau nce siab dua thiab siab dua, cov teeb liab ceev ceev hauv SFF8431 tsis siv rau SFP16 / 28, yog li SFF-8431 tom qab tau muab faib ua SFF-8418 thiab SFF-8419. SFF-8418 tshwj xeeb txhais tau hais tias 10Gb / s high-speed hluav taws xob teeb liab interface yuav tsum. Rau lub cev interface yuav tsum siab tshaj 10Gb / s, xa mus rau Fiber Channel. SFF-8419 tshwj xeeb txhais cov ntsiab lus uas tsis yog cov teeb liab ceev hauv SFF-8431, uas tsim nyog rau txhua qhov SFP series modules.
Yog li, SFP module qauv tsim engineers yuav tsum paub txog SFP-8431. Yog tias koj yog ib tus neeg tsim PCBs, sau software, lossis ua qhov kev sim, SFF-8472, SFF-8418, thiab SFF-8419 yuav tsum paub txog nws.
QSFP tus qauv
QSFP (Quad Small Form-factor Pluggable), plaub-channel miniaturized pluggable transceiver, feem ntau yog siv hauv Infiniband, Ethernet, Fiber Channel, OTN, SONET raws tu qauv tsev neeg: QSFP hloov kho ib leeg-channel SFP mus rau plaub channel nrog ib lub ntim ntawm nws. yog ntau tshaj ob npaug. Rau qhov loj mehloov, QSFP hloov peev xwm yog 2.67 npaug ntawm SFP. QSFP raws tu qauv yog thawj zaug txhais los ntawm INF-8438i, ces hloov mus rau SFF-8436,
thiab tom qab ntawd SFF-8436 tau muab faib ua ob peb ntu rau kev txhais thiab siv. Lub architecture tam sim no zoo ib yam li SFP:
QSFP cov kev qhia tshwj xeeb feem ntau suav nrog:
SFF-8679, txhais cov teeb liab ceev ceev, qis-ceev teeb liab, fais fab mov, lub sij hawm specifications ntawm lub module, thiab txhais lub optical interface thiab rub lub nplhaib xim specifications.
SFF-8636, txhais cov ntaub ntawv nco, nco nyeem thiab sau ua haujlwm.
SFF-8661, txhais qhov loj ntawm lub module, qhov loj ntawm cov ntiv tes kub thiab cov lus qhia ntawm lub module qhov ntxig thiab tshem tawm quab yuam.
SFF-8662 thiab SFF-8663 txhais lub tawb thiab connector (hom A) ntawm QSFP28 module.
SFF-8672 thiab SFF-8683 txhais cov tawb thiab cov khoom sib txuas (hom B) ntawm QSFP28 module.
SFF-8682 thiab SFF-8683 txhais cov tawb thiab connectors ntawm QSFP14 thiab hauv qab tus nqi modules.
Lwm cov ntaub ntawv ntxiv rau QSFP tuaj yeem saib hauv Infiniband raws tu qauv. (InfiniBand TM ArchitectureSpecification Volume)
XFP tus qauv
XFP (10 Gb / s Small Form Factor Pluggable module, qhov twg X stands rau 10 nyob rau hauv Roman numerals thiab yog tsuas yog siv rau SONET OC-192, 10 Gigabit Ethernet, thiab fiber channel) raws tu qauv tsev neeg: XFP Nws yog ib tug wavelength tunable module, uas yog thawj zaug txhais los ntawm XFP MSA thiab tom qab ntawd xa mus rau lub koom haum SFF rau kev tshaj tawm. XFP raws tu qauv suav nrog SFF-8477 thiab INF-8077.
INF8077 raws tu qauv qhia qhov loj me, hluav taws xob interface, nco cov ntaub ntawv, kev sib txuas lus tswj thiab kev kuaj mob ntawm XFP module (tus txheej txheem suav nrog txhua yam ntawm lub module). SFF-8477 yog qhov zoo tshaj plaws rau kev hloov kho wavelength.
CXP Txuj
CXP (12x Small Form-factor Pluggable, 12-channel me pluggable pob, qhov twg C sawv rau 100G, feem ntau yog siv rau Infiniband, fiber ntau channel, Ethernet) raws tu qauv yog tswj los ntawm lub koom haum Infiniband.
Annex A6 120 Gb / s 12x Me Me Form-factor pluggable (CXP) InterfaceSpecification for Cables, Active Cables & Transceivers muab txhua yam ntawm CXP specifications (tuaj yeem rub tawm dawb ntawm www.infinibandta.org). Tsis tas li ntawd, lub koom haum SFF tswj hwm cov ntaub thaiv npog thiab daim npav rau CXPs ntawm cov qib sib txawv.
SFF-8617 Mini Multilane 12X Shielded Cage / Connector 12 channel CXP tawb thiab module board slot specification.
SFF-8642 EIA-965 Mini Multilane 10 Gb / s 12X Shielded Cage / Connector (CXP10) 12x10Gb / s CXP module tawb thiab module board slot specifications.
SFF-8647 Mini Multilane 14 Gb / s 12X Shielded Cage / Connector (CXP14) 12x14Gb / s CXP module tawb thiab module board slot specifications.
SFF-8648 Mini Multilane 28 Gb / s 12X Shielded Cage / Connector (CXP28) 12x28Gb / s CXP module tawb thiab module board slot specifications.
microQSFP (miniaturized QSFP), ntau qhov raws tu qauv tsim nyob rau hauv 2015, yog 4 raws li QSFP, tab sis qhov loj tsuas yog qhov loj ntawm SFP module, thiab nws txhawb 25G thiab 50G (PAM4 modulation) channel tus nqi. Los ntawm kev tsim cov cua kub dissipation fins ntawm lub tsev module, nws muaj kev ua haujlwm zoo dua thermal. "Micro QUAD ME FORM-FACTOR PLUGGABLE FOUR CHANNEL PLUGGABLE TRANSCEIVER, HOST CONNECTOR, & CAGE ASSEMBLY FORM FACTOR" qhia meej txog micro-QSFP specification.
CFP pob
Tsuas yog cov pob SFP thiab QSFP, CFP yuav tsum yog daim ntawv ntim ntau tshaj plaws hauv cov khoom siv kho qhov muag. Tus C hauv CFP sawv cev rau 100 hauv Roman tus lej moos, yog li CFP feem ntau yog tsom rau cov ntawv thov nrog tus nqi ntawm 100G (xws li 40G) thiab siab dua.
CFP tsev neeg feem ntau suav nrog CFP / CFP2 / CFP4 / CFP8, ntawm qhov uas CFP8 tseem nyob rau theem kev thov.
Tsis zoo li cov lej ntxiv 10 thiab 28 tom qab QSFP, uas sawv cev rau qib ceev, cov lej tom qab CFP sawv cev rau tiam tshiab, nrog rau qhov loj me me (tshwj tsis yog CFP8) thiab qhov ntom ntom dua.
Thaum lub pob CFP tau thov thawj zaug, nws nyuaj rau kev ua tiav ib qho 25Gb / s tus nqi, yog li qhov hluav taws xob sib cuam tshuam ntawm txhua CFP tau txhais tias yog qib 10Gb / s, thiab 40G thiab 40G tau ua tiav los ntawm 4x10Gb / s thiab 10x10Gb. /s hluav taws xob interfaces. 100G module ceev. Qhov loj ntawm CFP module yog qhov loj heev uas nws tuaj yeem tso ntau lub zog ntawm lub motherboard rau hauv lub module kom tiav [ASIC (SerDes)]. Thaum qhov ceev ntawm txhua txoj kev kho qhov muag tsis sib haum nrog lub voj voog ceev, koj tuaj yeem ua tiav qhov kev hloov pauv ntawm cov kab hluav taws xob no (Gearbox) Piv txwv li, qhov chaw nres nkoj kho qhov muag 4X25Gb / s hloov mus rau hauv qhov chaw nres nkoj hluav taws xob 10x10Gb / s.
Qhov loj ntawm CFP2 tsuas yog ib nrab ntawm CFP. Cov hluav taws xob sib txuas tuaj yeem txhawb nqa ib leeg 10Gb / s, lossis ib qho 25Gb / s lossis txawm tias 50Gb / s. Los ntawm 10x10G, 4x25G, 8x25G, thiab 8x50G hluav taws xob cuam tshuam, 100G / 200G / 400G module cov nqi tuaj yeem ua tiav.
Qhov loj ntawm CFP4 raug txo mus rau ib nrab ntawm CFP2. Cov hluav taws xob interface txhawb nqa ib leeg 10Gb / s thiab 25Gb / s, thiab module ceev ntawm 40G / 100G yog tiav los ntawm 4x10Gb / s thiab 4x25Gb / s. CFP4 thiab QSFP modules zoo sib xws, ob qho tib si yog plaub txoj kev, thiab ob qho tib si txhawb 40G thiab 100G; Qhov txawv yog tias CFP4 modules muaj kev tswj hwm muaj zog dua thiab qhov loj dua (qhov no yog qhov tsis zoo rau cov ntaub ntawv sib txuas lus siab), thiab tuaj yeem txhawb nqa cov haujlwm loj dua. Kev siv hluav taws xob, rau cov qib ceev tshaj 25Gb / s thiab cov xwm txheej sib kis mus ntev (yuav tsum tau TEC qhov kub thiab txias, kev siv hluav taws xob loj), qhov zoo ntawm CFP4 modules hauv kev siv hluav taws xob thiab cua sov tuaj yeem cuam tshuam.
Yog li ntawd, kev sib txuas lus cov ntaub ntawv luv luv yog lub hauv paus ntawm QSFP; rau 100G-LR4 10km daim ntawv thov, CFP4 thiab QSFP28 raug faib sib npaug.
Cov qauv CFP tsev neeg tau pom nyob rau hauv daim duab hauv qab no: txhua tus qauv muaj 3 cov ntaub ntawv, uas "CFPx MSA Hardware Specification Revision" yog cov ntaub ntawv programmatic, uas piav qhia luv luv txog lub tswv yim module, module tswj, hluav taws xob interface, mechanical size, optical interface, cheat Slots thiab lwm yam kev qhia tshwj xeeb, lwm ob cov ntaub ntawv txhais cov ncauj lus kom ntxaws txhua qhov ntev.
CFP MSA kuj tseem muaj ob qhov kev qhia tshwj xeeb rau pej xeem, PIN Allocation REV.25 qhia meej lub module tus pin txhais, thiab "CFP MSA Management Interface Specification" txhais cov module tswj tswj thiab sau npe cov ntaub ntawv kom ntxaws.
Kev kub ceev hluav taws xob cuam tshuam ntawm CFP module nyob ntawm daim ntawv thov, thiab hais txog CAUI, XLAUI, thiab CEI-28G / 56G hluav taws xob interface specifications hauv IEEE802.3.
CFP8 yog ib pob tshwj xeeb tshaj tawm rau 400G, thiab nws qhov loj me yog sib npaug rau CFP2. Cov hluav taws xob sib cuam tshuam txhawb cov channel ceev ntawm 25Gb / s thiab 50Gb / s, thiab ua tiav 400G module nrawm los ntawm 16x25G lossis 8 × 50 hluav taws xob cuam tshuam. CFP8 tsuas yog Daim Ntawv Pom Zoo xwb, tsis muaj tus qauv tsim rau pej xeem rub tawm.
CDFP MSA tau tsim nyob rau xyoo 2013, thiab CDFP ntim cov qauv lawv tso tawm yog thawj 400G optical module ntim cov qauv. Nyob rau lub sijhawm ntawd, tus qauv ntawm cov hluav taws xob sib txuas tsuas yog 25Gb / s (OIF-CEI-28G-VSR), yog li CDFP tsuas yog ua 16 raws, thiab ua tiav 400G module tus nqi los ntawm 16x25G, thiab nws tau tshwj xeeb tsom rau luv- ntau yam kev siv hauv qab 2 km.
Yog tias 16-txoj kev cov chaw nres nkoj hluav taws xob tau teeb tsa ua ke, qhov ntim yuav loj heev, yog li CDFP module tsuas yog tau txais ob lub PCB boards ua ke thiab siv MPO16 interface ntawm qhov chaw nres nkoj kho qhov muag. Tag nrho cov module zoo li tshwj xeeb yog rog! Raws li kev npaj ntawm optical thiab hluav taws xob chaw nres nkoj, muaj peb qhov ntau thiab tsawg module nyob rau hauv tag nrho.
Qhov tseeb CDFP tus qauv yog: "400 Gb / s (16 X 25 GB / s) PLUGGABLE TRANSCEIVER Rev 3.0" uas qhia meej txog cov hluav taws xob interface, kev tswj xyuas interface, kho qhov muag interface, module / qhov / tawb loj ntawm CDFP module, EMI / ESD hais txog cov ntsiab lus. Niaj hnub no, PAM4 kub heev, nws kwv yees tias cov pob no tau sim heev.
Cov txheej txheem ntim khoom tshiab kawg uas txhawb nqa 400G yuav tsum yog QSFP-DD. Lub koom haum no tau tsim nyob rau lub Ob Hlis 2016 thiab tau tshaj tawm tus qauv tshiab "QSFP DOUBLE DENSITY 8X PLUGGABLE TRANSCEIVER Rev 1.0" nyob rau lub Cuaj Hlis 2016. QSFP-DD yog kwv yees li qhov loj me li QSFP (tsuas yog vim muaj kab txuas ntxiv, me ntsis. ntev dua). Qhov kev hloov pauv tseem ceeb yog ua ob npaug ntawm QSFP hluav taws xob cuam tshuam los ntawm plaub mus rau yim thiab txhawb nqa 50Gb / s channel tus nqi 8X50 yog 400G). QSFP-DD hluav taws xob interface yog sib xws nrog QSFP, tab sis tsis rov qab.
Cov kev sib tham saum toj no yog tag nrho 100G thiab 400G optical modules. Cia peb saib ntawm CSFP uas tuaj yeem ua tau. Txawm hais tias qhov tseeb CSFP tus qauv yog "SFP cov lus qhia tshwj xeeb" tso tawm xyoo 2009, nws tsis yog qhov qub. Campact txhais tau hais tias ntau compact dua SFP optical modules, thiab tus naj npawb ntawm cov channel kuj tuaj yeem hloov kho tau yooj yim. CSFP txhais 3 hom: 1CH campact SFP, 2CH campact SFP option1, thiab 2CH campact SFP option2.
Ntim cov tshuab dub CFP2-ACO
Thaum kawg, cia peb saib cov thev naus laus zis dub tshaj plaws hauv cov qauv ntim khoom kho qhov muag: CFP2-ACO. Nws yog feem ntau txhais los ntawm OIF thiab hais txog cov tshuab qhov ntev ntawm CFP2. Lub nraub qaum ACO txhais tau tias analog coherent optical module. Nws feem ntau muaj ib txoj kab nqaim-dav tunable laser, lub modulator, thiab ib coherent receiver. Lub DSP (digital signal processing) muab tso rau sab nraum lub module. Qhov no module yog qhov zoo kawg. Nrog DP-QPSK thiab DP-xQAM kev hloov kho thev naus laus zis, ib leeg-yoj tus nqi tuaj yeem yooj yim tshaj 100Gb / s, thiab kev sib kis deb tuaj yeem tshaj 2000km.