Transreciever systems xa cov ntaub ntawv raws li kev xav tau kev sib kis
Nov 05, 2025|
Transreciever systems xa cov ntaub ntawv los ntawm kev sib txuas cov transmitter thiab receiver ua haujlwm hauv ib lub cuab yeej, ua rau kev sib txuas lus bidirectional thoob plaws hauv tes hauj lwm. Cov khoom siv no hloov cov teeb liab hluav taws xob mus rau qhov muag pom lossis xov tooj cua thiab rov qab, txhawb nqa kev xa mus los ntawm luv luv - mus txog cov ntaub ntawv chaw sib txuas mus rau ntev - kev sib txuas lus sib txuas txuas mus txog ntau txhiab mais.
Core Functions Pab Txhawb Kev Sib Txuas Lus Network
Lub transceiver ua haujlwm los ntawm kev tuav ob qhov kawg ntawm kev sib txuas lus ib txhij. Thaum kis tau tus mob, lub cuab yeej siv hluav taws xob cov teeb liab los ntawm cov khoom siv network xws li cov keyboards lossis routers thiab hloov lawv mus rau hauv cov zis tsim nyog. Rau optical transceivers, qhov no txhais tau tias siv laser diodes los yog LEDs los tsim lub teeb pulses uas mus los ntawm fiber ntau optic cables. Xov tooj cua transceivers tsim electromagnetic nthwv dej ntawm tej zaus. Transreciever systems xa cov ntaub ntawv wirelessly los ntawm cov teeb liab electromagnetic, ncav cuag cov khoom siv thoob plaws hauv zos lossis thoob plaws- cheeb tsam network.
Kev txais haujlwm ua haujlwm rov qab. Optical transceivers siv photodiodes los ntes cov teeb liab tawm thiab hloov lawv rov qab mus rau hluav taws xob tam sim no. Xov tooj cua transceivers ntes electromagnetic nthwv dej los ntawm antennas thiab demodulate rau hauv cov ntaub ntawv siv tau. Qhov kev muaj peev xwm bidirectional no txhais tau tias cov tshuab transreciever xa cov ntaub ntawv nyob rau hauv ib qho kev taw qhia thaum ib txhij tau txais nyob rau hauv lwm yam, txo cov nqi khoom thiab lub cev qhov yuav tsum tau muab piv rau kev siv cais kis thiab txais units.
Niaj hnub nimno transceivers muaj xws li teeb liab ua circuitry uas tswj cov ntaub ntawv encoding, yuam kev kho, thiab raws tu qauv raws tu qauv. Cov haujlwm sib xyaw ua ke no ua kom cov ntaub ntawv muaj kev ncaj ncees thaum sib kis thiab tso cai rau cov khoom siv sib txawv sib txuas lus kom ntseeg tau. Thaum cov tshuab transreciever xa cov ntaub ntawv hla cov tes hauj lwm, cov khoom ua haujlwm tseem saib xyuas kev ua haujlwm tsis zoo xws li qhov kub thiab txias, qib hluav taws xob kho qhov muag, thiab qhov hluav taws xob kom tswj tau qhov kev ua haujlwm zoo ib yam.
Transmission Distance Requirements Shape Design
Cov ntawv thov network thov kom muaj peev xwm sib kis tau zoo heev, tsav tsheb tshwj xeeb transceiver tsim rau qhov kev ncua deb. Cov teeb meem ntawm lub cev ntawm lub teeb liab attenuation, dispersion, thiab cuam tshuam nce nrog kev ncua deb, yuav tsum muaj kev sib txawv ntawm kev sib txawv. Yuav ua li cas transreciever systems xa cov ntaub ntawv muaj txiaj ntsig yog nyob ntawm qhov sib piv ntawm hom module zoo rau qhov yuav tsum tau sib kis.
Luv -ntau zaus transceivers, xaiv raws li SR (Short Range), tuav kev sib txuas mus txog 300 meters hla multimode fiber ntau ntawm 850nm wavelength. Cov chaw khaws ntaub ntawv cia siab ntau rau cov qauv no rau intra- khib thiab intra- tsim kev sib txuas uas tsis tshua muaj latency thiab siab bandwidth tseem ceeb tshaj plaws. QSFP28 100G SR4 transceivers siv plaub qhov sib npaug 25Gbps channel kom ua tiav 100Gbps tag nrho cov kev xa tawm hauv qhov kev ncua deb no.
Ntev -ntau zaus transceivers, cim raws li LR (Long Range), npog qhov deb ntawm 10 mus rau 40 mais siv ib zaug - hom fiber ntau ntawm 1310nm wavelength. Cov qauv no txuas cov tsev sib cais hauv ib puag ncig hauv tsev kawm ntawv lossis txuas cov chaw nyob thoob plaws cheeb tsam nroog. Ib qho - hom fiber ntau txoj kab uas hla me me yuav txo qis kev sib cais ntawm cov qauv, tso cai rau cov teeb liab kom muaj kev sib koom ua ke ntawm kev ncua deb.
Extended-ntau zaus transceivers, sau npe ER (Ntev Range), thawb kis mus rau 40 kilometers thiab tshaj siv 1550nm wavelength dhau ib zaug - hom fiber ntau. Metro networks thiab regional telecommunications cia siab rau cov modules rau inter-kev sib txuas hauv nroog. Coherent optical transceivers siv cov kev hloov kho siab tshaj plaws tuaj yeem ncav cuag 80 txog 120 mais yam tsis muaj kev nthuav dav, lossis txuas mus rau 2,000 mais nrog DWDM (Dense Wavelength Division Multiplexing) thev naus laus zis rau ntev - daim ntawv thov.
Kev muaj peev xwm nyob deb cuam tshuam ncaj qha rau kev xaiv cov khoom thiab cov nqi. Luv-ntau modules siv multimode fiber ntau thiab VCSELs (Ntaus-Cavity Surface-Emitting Lasers) raug nqi tsawg dua li ntev-ntau cov units xav tau ib qho - hom fiber ntau thiab DFB (Distributed Feedback) lasers. Cov koom haum sib npaug sib npaug sib kis tau qhov kev ncua deb xav tau tawm tsam kev txwv nyiaj txiag thaum tsim lub network architecture.
Cov Kev Xav Tau Ceev Tsav Daim Ntawv Pov Thawj Evolution
Cov ntaub ntawv tus nqi xav tau txuas ntxiv nce ntxiv vim cov ntawv thov siv ntau dua bandwidth. Kev yees duab streaming, huab xam, kev kawm txawj ntse txawj ntse, thiab tiag -cov ntaub ntawv tshawb xyuas txhua lub zog sib koom tes mus rau qhov siab dua. Transceiver thev naus laus zis tau dhau los ntawm ntau tiam neeg kom ua tau raws li cov kev cai no.
Lub sijhawm 10 Gigabit era siv SFP + (Txhim Kho Me Me Daim Ntawv-Factor Pluggable) transceivers hauv cov chaw zov me nyuam thiab cov chaw lag luam. Cov qauv no tau muab cov bandwidth txaus rau feem ntau cov ntawv thov los ntawm thaum ntxov 2010s. Raws li kev xav tau loj hlob, 40 Gigabit QSFP + modules tau tshwm sim, sib txuas plaub 10Gbps raws rau hauv ib qho kev sib cog lus.
Kev lag luam ces tsiv mus rau 100 Gigabit kis tau tus mob nrog QSFP28 modules, uas ua haujlwm plaub txoj kab ntawm 25Gbps txhua. Los ntawm xyoo 2024, cov qauv no tau tswj hwm cov ntaub ntawv chaw xa mus rau cov neeg rau zaub mov - mus rau - hloov thiab hloov - rau - hloov kev sib txuas. Kev lag luam optical transceiver tau mus txog $ 11.9 billion hauv 2024, nrog 100Gbps transceivers sawv cev rau feem tseem ceeb ntawm kev xa khoom.
Kev txhim kho tam sim no tsom rau 400 Gigabit thiab 800 Gigabit ceev. QSFP-DD (Quad Small Form-Factor Pluggable Double Density) modules ua tiav 400Gbps siv yim txoj kab ntawm 50Gbps ib txoj kab. OSFP (Octal Small Form-Fact Pluggable) modules txhawb ob qho tib si 400Gbps thiab 800Gbps ceev, nrog rau 800G kev siv siv 100Gbps ib txoj kab kev siv tshuab. Hyperscale cov chaw zov me nyuam thiab AI kev cob qhia pawg tau tsav kev txais yuav cov kev nrawm dua no, nrog cov tuam txhab xws li NVIDIA qhia txog 400Gbps kev sib txuas rau lawv cov DGX H100 GPU server systems.
Tom ntej no frontier lub hom phiaj 1.6 Terabit speeds. Kev ua qauv qhia thaum ntxov tau pom 1.6T modules sib txuas ua haujlwm siab heev SerDes (Serializer / Deserializer) thev naus laus zis ntawm 200Gbps rau ib txoj kab hluav taws xob nrog 200Gbps ib qho kho qhov muag lambda. Cov kev txhim kho no hais txog qhov xav tau ntawm bandwidth ntawm AI daim ntawv thov qhov twg latency, sib xws, thiab lub sijhawm ua tiav txoj haujlwm cuam tshuam ncaj qha rau kev ua haujlwm.
Daim ntawv tseem ceeb txuas ntxiv shrinking thaum txhawb kev nrawm dua. QSFP-DD thiab OSFP modules nyob hauv qhov chaw lub cev zoo sib xws rau cov tiam dhau los transceivers tab sis xa 4x rau 8x ntau bandwidth. Qhov kev txhim kho qhov ceev ntawm qhov chaw nres nkoj no tso cai rau kev hloov pauv hauv lub network los txhawb kev siab dua - kev sib txuas ceev yam tsis muaj qhov loj ntawm chassis.
Application Environments txiav txim siab xaiv Module
Ib puag ncig network sib txawv tsim cov kev cai sib txawv ntawm kev ua haujlwm transceiver. Cov chaw zov me nyuam, kev sib txuas lus sib txuas lus, kev lag luam ib puag ncig, thiab cov ntawv thov kev lag luam txhua qhov kev sib tw tshwj xeeb uas cuam tshuam rau kev xaiv module. To taub yuav ua li cas transreciever systems xa cov ntaub ntawv nyob rau hauv txhua qhov chaw pab optimize kev ua tau zoo thiab nqi.
Cov chaw zov me nyuam saib xyuas qhov tseem ceeb ntawm qhov chaw nres nkoj ceev, lub zog ua haujlwm, thiab qis latency. Cov chaw ntim ntau txhiab tus servers rau hauv qhov chaw tsawg, xav tau cov transceivers compact uas tsim kom muaj cua sov tsawg. Luv -mus txog cov modules tswj cov cheeb tsam no, nrog 100G SR4 thiab 400G SR8 modules txuas cov cuab yeej hauv tib lub tsev. transreciever systems xa cov ntaub ntawv ntawm 850nm wavelength los ntawm ntau- hom fiber ntau, muab tus nqi- cabling zoo rau kev ncua deb li 100 meters.
Kev siv hluav taws xob tau dhau los ua qhov tseem ceeb vim tias qhov nrawm nce ntxiv. Thaum lub 100Gbps transceiver yuav haus 3.5 watts, cov qauv tsim tshiab lub hom phiaj 2 txog 2.5 watts los ntawm kev txhim kho kev hloov kho thiab cov khoom siv tau zoo dua. Cov chaw zov me nyuam ua haujlwm kaum tawm txhiab tus kho qhov muag pom pom kev txuag hluav taws xob txhais kom txo cov cua txias thiab cov nqi khiav lag luam qis dua.
Kev sib txuas lus hauv xov tooj sib txuas tau ntev dua thiab yuav tsum muaj peev xwm sib txawv. Tib - hom fiber ntau ntawm 1310nm lossis 1550nm wavelength txhawb kev sib kis thoob plaws nroog lossis cheeb tsam. Coherent optical transceivers siv cov qauv kev hloov kho siab tshaj plaws xws li 16-QAM kom ua kom muaj txiaj ntsig zoo tshaj plaws thaum tuav cov teeb liab zoo tshaj qhov txuas txuas ntxiv. Cov qauv 400ZR thiab 800ZR tso cai rau pluggable coherent modules uas yooj yim network tsim piv rau cov kab ke ib txwm siv.
Enterprise networks sib npaug tus nqi thiab kev ua tau zoo rau tsev kawm ntawv thiab tsim kev sib txuas. Cov koom haum sib xyaw tooj liab thiab fiber ntau sib txuas raws li qhov yuav tsum tau ua nyob deb. Transceivers txhawb nqa ob qho tib si 1000BASE-T tooj liab txuas mus txog 100 meters thiab 1000BASE-LX fiber txuas mus txog 10 kilometers muab kev yooj yim xa mus. BiDi (Bidirectional) transceivers uas siv cov wavelengths sib txawv rau kev sib kis thiab kev txais tos ntawm ib qho fiber ntau txo cov nqi cable.
Kev lag luam thiab kev siv tshwj xeeb muaj cov kev cai tshwj xeeb. Cov khoom siv sib txuas lus yuav tsum ua haujlwm thoob plaws qhov kub ntawm -10℃txog 85 degree. Qee qhov kev lag luam transceivers txuas ntxiv qhov no ntxiv. Ruggedized modules tiv thaiv kev co thiab electromagnetic cuam tshuam nyob rau hauv ib puag ncig hnyav. Wireless transceivers rau kev sib txuas lus thaum muaj xwm ceev thiab xov tooj cua amateur ua haujlwm ntseeg tau nrog tsawg zog siv.
Cov qauv ua kom muaj kev sib koom ua haujlwm
Ntau lub koom haum tsim cov kev qhia tshwj xeeb uas tswj hwm kev tsim thiab kev ua haujlwm ntawm transceiver. Cov qauv no ua kom cov modules los ntawm cov tuam txhab sib txawv ua haujlwm ua ke thiab tswj kev sib raug zoo ntawm cov khoom siv ntau tiam.
IEEE (Lub Tsev Haujlwm ntawm Hluav Taws Xob thiab Hluav Taws Xob Hluav Taws Xob) txhais cov qauv Ethernet uas qhia txog kev sib txuas hluav taws xob thiab kho qhov muag. IEEE 802.3 npog txhua yam ntawm 1 Gigabit Ethernet mus rau 400 Gigabit Ethernet, tsim kom muaj cov ntaub ntawv tus nqi, wavelengths, thiab qhov siab tshaj plaws sib kis. Tus qauv 802.3ba tau qhia txog 40G thiab 100G Ethernet, thaum 802.3bs txhais 200G thiab 400G specifications.
Ntau -Cov Ntawv Pom Zoo (MSAs) coj los ua ke cov neeg muag khoom thiab cov khoom lag luam los txiav txim siab lub cev tshwj xeeb rau cov khoom siv transceiver. Cov kev lag luam no- coj cov thawj coj tsim cov qauv sai dua li cov txheej txheem raug cai thaum tuav kev txhawb nqa dav. SFP MSA tau tsim cov kev qhia tshwj xeeb rau daim ntawv me me-factor pluggables, thiab cov ntawv cog lus tom ntej tau txhais QSFP, QSFP28, QSFP-DD, thiab OSFP daim ntawv foos. MSAs qhia qhov ntev ntawm cov tshuab, hluav taws xob cuam tshuam, cov yam ntxwv thermal, thiab hom connector.
Cov qauv sib txawv tsim cov peev txheej tshwj xeeb:
100GBASE-SR4: 100 Gigabit, Short Range, 4 channels, mus txog 100m ntawm multimode fiber
100GBASE-LR4: 100 Gigabit, Ntev Ntev, 4 channels, mus txog 10km ntawm ib zaug - hom fiber ntau
100GBASE-ER4: 100 Gigabit, Extended Range, 4 channels, mus txog 40km ntawm ib zaug - hom fiber ntau
400GBASE-SR8: 400 Gigabit, Short Range, 8 channels, mus txog 100m ntawm multimode fiber ntau
400GBASE-DR4: 400 Gigabit, Dual Rate, 4 channels, mus txog 500m ntawm ib zaug - hom fiber ntau
Lub rooj sib tham lub npe qhia cov ntsiab lus tseem ceeb. Tus lej ua ntej qhia cov ntaub ntawv tus nqi hauv Gigabits. BASE yog hais txog kev sib kis hauv baseband. Cov tsiaj ntawv tom qab qhia txog ntau yam (SR, LR, ER) thiab tus lej tom qab qhia cov lej suav. Kev nkag siab txog cov npe no pab cov engineers network xaiv cov qauv tsim nyog rau cov ntawv thov tshwj xeeb.
Kev ua raws li tus qauv muaj kev sim nruj heev. Cov neeg tsim khoom txheeb xyuas qhov tseeb wavelength precision, optical power output, receiver rhiab heev, thiab qhov muag daim duab zoo thaum lub sij hawm tsim khoom. Transceivers yuav tsum ua kom tau raws li qhov tshwj xeeb thoob plaws lawv qhov ntsuas kub. Thib peb-cov chaw kuaj sim tog muab kev lees paub ntxiv, thiab kev ntsuas kev sib cuam tshuam tau lees paub cov neeg muag khoom sib txawv cov khoom ua haujlwm ua ke kom raug.
Technology Advances Pab kom muaj kev ua tau zoo dua
Ntau qhov kev tsim kho tshiab ua rau muaj kev txhim kho transceiver. Silicon photonics, advanced modulation techniques, thiab co-packed optics sawv cev rau cov kev loj hlob tseem ceeb thaj chaw uas daws teeb meem bandwidth thiab efficiency. Cov thev naus laus zis no txiav txim siab yuav ua li cas cov tshuab transreciever xa cov ntaub ntawv ntawm kev nrawm dua thaum tswj hwm kev siv hluav taws xob.
Silicon photonics integrates optical Cheebtsam mus rau silicon substrates siv semiconductor manufacturing txheej txheem. Txoj hauv kev no muab cov lasers, modulators, photodetectors, thiab waveguides ntawm ib nti, txo cov kev sib dhos nyuaj thiab nqi. Cov thev naus laus zis tau siv cov peev txheej CMOS uas twb muaj lawm, ua kom muaj ntim ntau lawm thiab kev tsim khoom nruj dua. Silicon photonics transceivers siv lub zog tsawg dua li hybrid sib dhos thaum ua tiav kev sib xyaw ua ke ntau dua.
Cov thev naus laus zis ntsib kev txwv nrog qee qhov kev ua haujlwm kho qhov muag. Silicon tsis tuaj yeem tsim lub teeb laser zoo, xav tau III-V cov khoom siv semiconductor xws li InP lossis GaAs rau cov khoom siv laser. Cov qauv tsim tam sim no yog daim ntawv cog lus III-V lasers mus rau silicon chips lossis siv cov khoom siv laser sab nraud ua ke rau silicon photonic circuits. Txawm hais tias qhov kev txwv no, silicon photonics ua rau muaj txiaj ntsig zoo rau siab - ntim 100G, 400G, thiab 800G transceiver ntau lawm.
Modulation cov txheej txheem txiav txim siab npaum li cas cov ntaub ntawv txhua qhov kho qhov muag wavelength nqa. Yav dhau los transceivers siv yooj yim ntawm -tawm keying qhov twg lub teeb pom kev los yog tsis muaj sawv cev rau binary xeev. PAM4 (Pulse Amplitude Modulation 4-theem) encodes ob lub cim rau ib lub cim los ntawm kev siv plaub qhov sib txawv ntawm lub zog kho qhov muag, ob npaug ntawm kev ua haujlwm bandwidth. Txoj hauv kev no ua rau cov tshuab transceiver xa cov ntaub ntawv ntawm 50Gbps rau ib txoj kab hla kev tsim kho tsim rau 25Gbps NRZ (Tsis yog-Rov qab-rau-Xoom) taw qhia.
Coherent modulation siv ib txoj hauv kev zoo dua. Cov txheej txheem modulates ob qho tib si lub amplitude thiab theem ntawm lub teeb nthwv dej, zoo ib yam li QAM (Quadrature Amplitude Modulation) siv nyob rau hauv kev sib txuas lus wireless. 16-QAM coherent transceivers tuaj yeem xa plaub lub cim rau ib lub cim, ua rau muaj kev nce ntxiv hauv qhov ntev. Kev ua cov teeb liab digital them nyiaj rau cov kev puas tsuaj fiber ntau xws li chromatic dispersion thiab polarization hom dispersion, txuas mus txog yam tsis muaj lub tshuab hluav taws xob kho qhov muag.
Co-packaged optics sawv cev rau kev hloov pauv hauv qhov system architecture. Cov qauv tsim qauv tso cov transceivers rau pem hauv ntej- vaj huam sib luag cov chaw nres nkoj txuas nrog hloov ASICs los ntawm cov kab hluav taws xob ntawm cov kab hluav taws xob. CPO (Co-Packaged Optics) integrates optical engines ncaj qha mus rau lub pob hloov, txo qhov ntev ntawm hluav taws xob. Qhov no txo qis kev siv hluav taws xob thiab latency thaum ua kom yooj yim thermal tswj. Txoj hauv kev qhia tau hais tias cog lus rau yav tom ntej 1.6T thiab 3.2T tshuab qhov twg hluav taws xob teeb liab ntsib cov kev txwv tseem ceeb.
Linear drive pluggable optics (LPOs) muab lwm txoj hauv kev rau DSP nyuaj -raws li modules. Cov transceivers no tshem tawm cov teeb liab cov teeb liab processors thiab moos -cov ntaub ntawv rov qab circuits, tso siab rau cov kev hloov pauv hloov pauv thiab tus tswv tsev ASIC tau tsim- hauv kev sib npaug. LPOs txo qis kev siv hluav taws xob los ntawm kev tshem tawm lub zog- cov khoom noj tshaib plab thaum txo qis rau cov ntawv thov xws li GPU- rau-GPU kev sib txuas lus hauv AI kev cob qhia pawg. Cov thev naus laus zis ua haujlwm zoo tshaj plaws nrog cov kab teeb tsa raws li nyias- zaj duab xis lithium niobate (TFLN) lossis lwm yam khoom siv siab ua ke nrog silicon photonics.
Kev Lag Luam Dynamics Reflect loj hlob xav tau
Kev lag luam optical transceiver tau ntsib kev loj hlob loj los ntawm kev nthuav dav cov ntaub ntawv chaw, 5G network xa tawm, thiab cov khoom tsim kev txawj ntse. Kev lag luam loj mus txog $ 11.9 nphom hauv 2024, nrog kev kwv yees qhia kev loj hlob mus txog $ 22.4 nphom los ntawm 2029 ntawm 13.4% kev loj hlob txhua xyoo.
Cov kev hloov hauv cheeb tsam qhia cov qauv kev saws me nyuam sib txawv. Asia-Pacific coj kev noj nrog ntau dua 50% kev ua lag luam, feem ntau yog los ntawm Tuam Tshoj nthuav dav cov ntaub ntawv chaw thiab kev sib txuas lus. North America qhia qhov kev loj hlob sai tshaj plaws, txhawb nqa los ntawm cov chaw muab kev pabcuam huab cua hyperscale thiab muaj zog thev naus laus zis kev lag luam. Cov tuam txhab xws li Cisco Systems, Broadcom, Lumentum, thiab Coherent ua tus tswj hwm thaj chaw sib tw nrog cov tuam txhab tsim tawm hauv Suav.
Cov chaw zov me nyuam suav nrog cov ntawv thov loj tshaj plaws. Huab suav kev loj hlob thiab cov ntaub ntawv loj analytics tsav lub peev xwm txuas ntxiv. Ntau tshaj 75% ntawm cov chaw zov me nyuam tau hloov kho kom nrawm dua ntawm 2023 thiab 2024 los txhawb kev ua haujlwm ntau ntxiv. Kev nce siab hauv AI kev cob qhia thiab kev xav ua haujlwm tau thawb kev thov mus rau 400G thiab 800G modules, nrog qee qhov kev xa tawm pib 1.6T sim.
Lub AI boom tshwj xeeb cuam tshuam rau siab -ceev transceiver xav tau. AI pawg servers zoo li NVIDIA DGX H100 xav tau plaub qhov chaw nres nkoj 400Gbps rau ib lub kaw lus, tsim cov nplooj ntom ntom 800Gbps - qaum network fabrics. Cov kev xa tawm no hais txog luv luv - mus txog kev sib txuas qhov twg latency thiab sib xws tseem ceeb tshaj qhov muaj peev xwm nyob deb. AI cov txheej txheem kev txiav txim siab tau tsav 27% cov nyiaj tau los loj hlob hauv 2024 dhau qhov kev kwv yees hauv paus.
Kev sib txuas lus sib txuas ua ke ua rau muaj kev xav tau loj rau ntev -mus txog cov qauv. 5G network rollout yuav tsum muaj fiber ntau infrastructure txuas xov tooj cua mus rau cov tub ntxhais network. Metro thiab regional carriers siv 100G thiab 400G coherent transceivers rau lub peev xwm nthuav dav thaum kho tshiab SONET / SDH systems. IP dhau DWDM architectures ua kom yooj yim rau taw tes- rau- taw tes metro network los ntawm kev tshem tawm cov khoom siv transponder cais kom deb li deb li 80 mais.
Kev sib txuas ntawm cov khoom siv sib txuas tau dhau los ua qhov tseem ceeb raws li qhov xav tau nce ntxiv. Cov khoom tsis txaus hauv cov tshuab kho qhov muag, DSPs, thiab cov lasers tsim cov kev tsis sib haum xeeb thaum xyoo 2023. Cov neeg tsim khoom tau teb los ntawm kev ruaj ntseg cov khoom siv raw, nthuav cov peev txheej ntau lawm, thiab ua kom muaj kev sib raug zoo ntawm cov neeg siv khoom. Kev lag luam cov khoom siv sib xyaw ua ke hauv thaj chaw tshwj xeeb nthuav tawm ob qho tib si kev ua tau zoo thiab qhov tsis zoo rau kev cuam tshuam.
Thib peb- tog tau txais transceivers tau txais kev ua lag luam raws li tus nqi siab ntxiv. Cov neeg muag khoom ib txwm xav tau cov chaw tsim khoom- tau ntawv pov thawj optics, tab sis kev thov loj hlob thiab tus nqi siab dua tau thawb cov koom haum mus rau lwm txoj hauv kev. Tau tshaj transceivers los ntawm cov chaw tsim khoom tshwj xeeb muab 30% rau 70% tus nqi txuag thaum ua tau raws li MSA cov lus qhia thiab cov qauv kev ua haujlwm. Kev ntsuam xyuas dav pom pom tias muaj kev sib raug zoo thiab kev ntseeg tau nyob hauv ntau lub network sib txawv.
Xaiv Cov Txheej Txheem Qhia Txog Kev Txiav Txim Siab
Kev xaiv cov transceivers tsim nyog yuav tsum tau ntsuas ntau yam uas cuam tshuam rau kev ua tau zoo, tus nqi, thiab lub sijhawm ntev -. Network architects yuav tsum sib npaug cov kev xav tau tam sim ntawd tiv thaiv kev scalability yav tom ntej thaum nyob hauv kev txwv nyiaj txiag. Txoj kev transreciever systems xa cov ntaub ntawv los ntawm cov network tshwj xeeb architectures cuam tshuam txhua yam ntawm kev xaiv module.
Kev sib kis deb tsim cov kev xav tau tseem ceeb. Daim ntawv thov nyob rau hauv 100 meters siv luv - mus txog modules nrog multimode fiber. Lub tsev kawm ntawv cov tes hauj lwm sib nrug ntawm 300 meters mus rau 2 kilometers feem ntau siv nruab nrab -ntau transceivers. Cheeb tsam cheeb tsam networks los ntawm 10 mus rau 80 kilometers yuav tsum tau ntev - mus txog los yog ncua - ntau modules. Ultra-ntev- cov kab txuas txuas ntau dua 120 mais yuav tsum muaj kev sib koom ua ke optics nrog kev hloov kho siab heev.
Cov ntaub ntawv yuav tsum tau txiav txim siab daim foos thiab qib thev naus laus zis. Cov ntawv thov tam sim no xav tau 10Gbps siv SFP + modules. Cov koom haum npaj rau kev loj hlob tuaj yeem siv 25Gbps lossis 100Gbps peev xwm txawm tias qhov kev xav tau tam sim ntawd qis dua. Txoj hauv kev txo cov nqi hloov kho yav tom ntej tab sis nce kev nqis peev thawj zaug. Kev npaj Bandwidth yuav tsum suav rau kev loj hlob ntawm kev lag luam tshaj li 3 txog 5 xyoo.
Fiber infrastructure cuam tshuam kev xaiv module. Kev teeb tsa multimode fiber ntau txwv cov kev xaiv luv luv - ncav cuag transceivers ntawm 850nm wavelength. OM3 lossis OM4 multimode fiber ntau txhawb 100G SR4 txog 100 meters. Tib hom - hom fiber ntau ua rau muaj kev ncua ntev dua tab sis yuav tsum muaj ntau hom transceiver. OS2 ib leeg- hom fiber ntau ua haujlwm nrog ntev - ncav cuag modules ntawm 1310nm lossis 1550nm wavelength. Cov koom haum nrog cov fiber ntau sib xyaw xav tau cov transceivers txuam nrog txhua qhov txuas tus yam ntxwv.
Chaw nres nkoj ceev cuam tshuam rau tag nrho cov nqi system. Siab dua -ceev transceivers txo tus naj npawb ntawm cov chaw nres nkoj xav tau rau ib qho kev sib sau ua ke bandwidth. Ib qho 400Gbps module siv ib qhov chaw nres nkoj tsis yog plaub qhov chaw nres nkoj 100Gbps, txhim kho kev ua haujlwm. Txawm li cas los xij, 400G module raug nqi ntau dua ib chav 100G, tab sis feem ntau tsawg dua plaub 100G modules ua ke. Qhov chaw- txwv ib puag ncig tau txais txiaj ntsig los ntawm tsawg dua - cov chaw nres nkoj ceev.
Kev siv hluav taws xob thiab kev tswj xyuas thermal tsim nyog tau txais kev saib xyuas hauv kev xa tawm tuab. Lub network hloov nrog 32 qhov chaw nres nkoj ntawm 400Gbps transceivers yuav haus 80 mus rau 112 watts rau optics, tsis suav qhov hloov ASIC thiab lwm yam khoom. Lub tshav kub no yuav tsum muaj peev xwm ua kom txias txaus. Xaiv cov qauv siv hluav taws xob ua tau zoo txo qhov chaw siv hluav taws xob thiab cov nqi cua txias rau lub neej ntawm lub neej.
Khoom siv compatibility ua kom muaj kev sib koom ua ke. Thaum MSA cov qauv txhawb kev sib koom ua haujlwm, qee tus neeg muag khoom siv cov khoom lag luam lossis cov kev cai coding. Kev txheeb xyuas qhov ua tau zoo ua ntej loj - kev xa tawm loj tiv thaiv cov teeb meem kev koom ua ke kim. Ntau lub koom haum ua kev sim nrog cov khoom me me kom paub tseeb tias kev ua tau zoo thiab kev sib raug zoo.
Kev txiav txim siab txog nyiaj txiag hnyav hnyav hauv kev txiav txim siab yuav khoom. OEM-Brand transceivers los ntawm cov cuab yeej siv khoom lag luam nqa tus nqi hwm tab sis suav nrog cov neeg muag khoom txhawb nqa thiab kev lees paub. Tau tshaj thib peb- tog modules raug nqi tsawg dua thaum ua tau raws li cov lus qhia tib yam. Cov koom haum yuav tsum ntsuas qhov kev pheej hmoo siab thiab kev txhawb nqa thaum xaiv cov kev xaiv. Kev xa tawm loj feem ntau siv OEM modules rau kev sib txuas tsim khoom tseem ceeb thaum siv cov transceivers sib xws rau kev sib txuas tsis tshua muaj.
Yav tom ntej scalability cuam tshuam cov kev txiav txim siab tam sim no. Deploying transceivers txhawb kev nrawm dua li qhov xav tau tam sim no muab lub taub hau rau kev loj hlob. Txhim kho ib qho - hom fiber ntau thaum pib tsim ua kom yooj yim hloov kho kom ntev dua los yog siab dua tom qab. Kev npaj rau yav tom ntej yuav tsum tau ua thaum pib xa tawm yuav txo tau cov nqi ntev - txawm tias nws yuav nce kev siv nyiaj tam sim.
Cov lus nug nquag
Dab tsi yog qhov txawv ntawm ib nrab -duplex thiab puv -duplex transceivers?
Ib nrab -duplex transceivers tuaj yeem xa lossis tau txais cov ntaub ntawv, tab sis tsis yog tib lub sijhawm. Lub transmitter thiab receiver sib koom tib lub kav hlau txais xov lossis fiber ntau txuas los ntawm kev hloov hluav taws xob. Walkie-talkies thiab qee lub xov tooj cua siv ib nrab- ua haujlwm duplex. Tag nrho -duplex transceivers xa thiab tau txais ib txhij siv ntau zaus lossis wavelengths. Cov xov tooj ntawm tes thiab feem ntau optical transceivers ua haujlwm puv - hom duplex, ua kom muaj kev sib txuas lus bidirectional tseeb.
Yuav ua li cas optical transceivers txawv ntawm hluav taws xob transceivers?
Optical transceivers hloov cov teeb liab hluav taws xob mus rau lub teeb pulses uas taug kev los ntawm fiber ntau optic cables, txhawb cov ntaub ntawv ntau dua thiab nyob deb dua li tooj liab -raws li hluav taws xob transceivers. Hluav taws xob transceivers xa cov teeb liab hla tooj liab cables siv voltage variations. Optical modules tuaj yeem xa mus rau 100Gbps lossis ntau tshaj kaum mais, thaum cov kev sib txuas tooj liab feem ntau tawm ntawm 10Gbps tshaj 100 meters. Optical signals kuj tiv thaiv electromagnetic cuam tshuam zoo dua li cov teeb liab hluav taws xob.
Kuv puas tuaj yeem siv transceivers los ntawm cov tuam txhab sib txawv hauv tib lub network?
Yog lawm, thaum transceivers ua raws li MSA specifications thiab IEEE cov qauv, modules los ntawm txawv manufacturers yuav tsum ua hauj lwm ua ke kom raug. Cov qauv ntsuas hluav taws xob cuam tshuam, cov yam ntxwv kho qhov muag, thiab lub cev qhov ntev kom ntseeg tau tias muaj kev sib tshuam. Txawm li cas los xij, qee tus neeg muag khoom siv cov cuab yeej coding lossis firmware uas txwv tsis pub lwm tus -party modules. Kev ntsuas kev sib raug zoo ua ntej xa mus yog pom zoo, tshwj xeeb tshaj yog thaum sib xyaw cov neeg muag khoom. Ntau lub koom haum ua tiav siv qhov thib peb - tog transceivers nrog OEM modules.
Dab tsi ua rau transceiver tsis ua haujlwm?
Qhov kub siab tshaj plaws nyob rau ntawm qhov feem ntau ua rau tsis ua haujlwm. Laser diodes degrade thaum kev khiav hauj lwm sab nraum qhov chaw teev tseg, thiab cov cua kub ntau dhau ua rau cov khoom qub. Cov kab mob sib kis kab mob ua rau cov teeb liab poob thiab tuaj yeem ua rau cov duab thaij duab tsis zoo. Lub cev poob siab lossis kev vibration puas tsuaj rau cov khoom sab hauv. Hluav taws xob overstress los ntawm lub hwj chim surges los yog tsis raug voltages ua rau circuitry. Kev tuav kom zoo, tu tsis tu ncua, thiab ua haujlwm hauv cov lus qhia tshwj xeeb txo qis kev pheej hmoo ua tsis tiav.
Kev txiav txim siab xa mus
Kev tswj qhov kub thiab txias cuam tshuam ncaj qha rau transceiver kev ntseeg tau thiab lub neej ntev. Standard modules khiav lag luam ntawm 0℃mus rau 70 degree, thaum coj mus muag kub ntau yam khoom siv los ntawm -5℃mus rau 85 degree. Industrial transceivers txuas mus rau -40℃mus rau 85℃rau hnyav ib puag ncig. Laser diode wavelength hloov nyob rau hauv kwv yees li 0.1nm ib℃Celsius, tej zaum yuav txav mus rau sab nraud specifications yog kub txawv heev. Ua kom ruaj khov ua haujlwm kub los ntawm cov cua txaus txaus tiv thaiv kev ua haujlwm tsis zoo.
Optical power budgets txiav txim siab qhov siab tshaj qhov txuas. Txhua lub transceiver qhia txog kev xa hluav taws xob thiab cov neeg txais kev xav hauv dBm. Fiber attenuation, connector poob, thiab splice poob siv lub hwj chim pob nyiaj siv nyob rau hauv txoj kev. A 100GBASE-LR4 module yuav muaj 3dBm xa hluav taws xob thiab -10dBm receiver rhiab heev, muab 13dB txuas pob nyiaj siv. OS2 ib hom fiber ntau attenuates txog 0.4dB ib kilometer ntawm 1310nm, txhawb roughly 30 kilometers nrog margin rau connectors thiab splices. Kev suav nyiaj txuas txuas tiv thaiv teeb meem teeb meem degradation.
Cov txheej txheem ntxuav kom muaj teeb meem zoo. Txawm tias microscopic plua plav ntawm fiber ntau connector kawg -ntsej muag cuam tshuam lub teeb kis tau tus mob. Kev tu kom zoo siv lint- cov ntaub so ntswg dawb nrog isopropyl cawv lossis cov tshuaj ntxuav tshwj xeeb. Kev tshuaj xyuas qhov txuas nrog lub tshuab hluav taws xob fiber ntau txheeb xyuas kev huv ua ntej txuas cov cables. Kev saib xyuas tsis tu ncua tiv thaiv kev ua haujlwm qeeb qeeb thiab txo cov sij hawm daws teeb meem.
Kev tshuaj ntsuam xyuas digital muab qhov tseeb - lub sijhawm saib xyuas lub peev xwm. Cov transceivers niaj hnub no feem ntau txhawb nqa Digital Diagnostic Monitoring Interface (DDMI) uas qhia txog qhov kub thiab txias, xa hluav taws xob, tau txais lub zog, laser bias tam sim no, thiab cov khoom siv hluav taws xob. Network tswj systems sau cov ntaub ntawv no los txheeb xyuas cov modules ua tsis tiav ua ntej ua tiav tsis tiav. Saib xyuas yuav ua li cas transreciever systems xa cov ntaub ntawv thiab taug qab lub hwj chim kho qhov muag nyob rau lub sij hawm qhia tau hais tias degrading fibers los yog qias neeg connectors ua ntej lawv ua rau hluav taws xob.
Kev npaj cov khoom muag khoom seem tshuav qhov muaj los tiv thaiv tus nqi nqa. Cov kev sib txuas tseem ceeb ua rau pom tseeb kom khaws cov khoom xa hluav taws xob rau ntawm -qhov chaw rau kev hloov pauv sai. Cov khoom seem yuav tsum sib phim cov qauv tsim tshwj xeeb raws nraim. Tsis yog- cov ntawv txuas tseem ceeb yuav vam khom rau cov neeg muag khoom txhawb nqa lossis tom ntej - hnub xa khoom. Cov koom haum nrog kev xa tawm loj feem ntau ua qauv ntawm tsawg dua hom transceiver kom txo qis cov khoom seem ntau yam thaum tswj kom muaj kev pab txaus.
Environmental Factors cuam tshuam rau kev tsim khoom siv. High- qhov siab tshaj plaws kev teeb tsa muaj qhov sib txawv ntawm cov cua sov vim qhov txo qis cua siab thiab ua kom txias txias. Kev lag luam ib puag ncig nrog kev co, plua plav, lossis corrosive cua xav tau cov khoom siv ruggedized nrog kev tiv thaiv zoo dua. Cov khoom siv sab nraum zoov xav tau cov ntaub thaiv huab cua tsis zoo txawm tias cov transceivers lawv tus kheej tsis raug ncaj qha. Kev nkag siab txog ib puag ncig ib puag ncig thaum lub sijhawm npaj yuav tiv thaiv cov teeb meem kev ua haujlwm.
Kev sib koom ua ke ntawm cov kev xav tau siab dua bandwidth, kev siv thev naus laus zis ua ntej, thiab kev cuam tshuam cov nqi txuas ntxiv txuas ntxiv txhim kho transceiver tsim thiab xa tawm. Cov koom haum sib npaug qhov kev xav tau kev sib txuas tam sim ntawd nrog rau ntev - kev npaj tsim vaj tse, xaiv cov qauv uas muab kev ua tau zoo txhim khu kev qha thaum tso cai rau yav tom ntej. Raws li kev sib txuas ceev mus txog 800Gbps thiab dhau mus, transreciever systems xa cov ntaub ntawv tau zoo dua qub, tseem tshuav qhov cuam tshuam tseem ceeb ntawm cov hluav taws xob thiab kho qhov muag uas ua rau cov ntaub ntawv thoob ntiaj teb txhawb nqa cov kev pabcuam digital niaj hnub.