Tunable Transceiver Technology: Flexible Wavelength hla C-Band
Jul 01, 2026| Tunable transceiver thev naus laus zis tso cai rau ib qho pluggable optical module hloov mus hla DWDM wavelengths es tsis txhob raug kaw rau lub Hoobkas- teeb tsa channel. Rau cov pab pawg network, qhov kev txiav txim siab tiag tiag tsis yog "yog qhov zoo dua?" tab sis seb cov channel suav, qhov sib piv, tus tswv tsev tuning, thiab kab -system bandwidth ua lub transceiver tunable pheej yig dua thiab muaj kev nyab xeeb dua li kho - wavelength optics hauv lub network tiag tiag.
Kab lus no tsom mus rau kev lag luam engineering- tawm tom qab atunable vs ruaj wavelength transceiverkev txiav txim siab hauv DWDM thiab DCI tes hauj lwm: yuav ua li cas lub wavelength raug xaiv, qhov twg ncaj qha - ntes thiab coherent optics phua, uas tsis txiav txim siab txuas coj -, thiab cov kev hloov pauv yuav tsum tau kuaj xyuas ua ntej yuav khoom.
Tus nqi zais zais hauv Kho -Wavelength Sparing
Qhib cov khoom seem hauv feem ntau DWDM-enabled networks thiab koj pom ib yam: ib kab ntawm kev ruaj khov- wavelength optics, ib qhov rau ntawm ITU channel, feem ntau ntawm lawv yeej tsis kov. C-band ib leeg tuav kwv yees li 40 channels ntawm 100 GHz daim phiaj thiab mus txog 96 ntawm 50 GHz kab sib chaws, thiab ib qho kev ruaj khov -optic sparing txoj cai txhais tau tias khaws cov ntaub ntawv thaub qab rau txhua lub wavelength koj cov kab ke tej zaum yuav tsis pom. Cov khoom muag ntawd zaum nyob rau hauv lub peev uas tuag mus txog rau thaum lub voj voog ua tsis tiav thaum 2 teev sawv ntxov thiab ntawm - hu xov tooj engineer nrhiav pom ib qho channel uas nqes mus yog ib lub wavelength tsis muaj leej twg tau xaj.
Qhov no yog qhov teeb meem uas wavelength -agile optics tau tsim los lwv. Ib tug tib tunable transceiver hloov tag nrho cov tub rau khoom, vim hais tias ib tug module tuaj yeem reprogrammed rau ib qho channel ntawm daim phiaj es tsis txhob muab xauv rau lub Hoobkas - teeb xim. Lub suab yog huv si thiab tus lej zoo li pom tseeb ntawm tus swb. Hauv kev xyaum, kev txuag nyiaj yog nyob ntawm qhov sib txawv uas tsis tshua ua rau hauv daim ntawv teev cov ntaub ntawv: channel suav, seem seem, thiab seb koj cov cuab yeej siv tswj hwm li cas cov lus txib. Lwm qhov ntawm cov khoom no yog hais txog cov hloov pauv, tsis yog swb.
Rau pab pawg tseem tsim covyooj yim wavelength txoj kev npaj, qhov pib taw tes yog qhovntom wavelength division multiplexingdaim phiaj. Lub tunable DWDM transceiver tsuas yog tsim tus nqi thaum daim phiaj, mux / demux, amplifier txoj kev npaj, thiab cov txheej txheem ua haujlwm tau tsim nyob ib puag ncig wavelength yooj es tsis kho raws li kev xav tom qab.
Sab hauv lub Wavelength: Tunable Lasers thiab ITU Grid
Dab tsi ua rau C-band tunable optical module txawv ntawm qhov kho qhov muag yog qhov chaw laser. Tsau optics siv lub laser pinned rau ib lub wavelength; ib tug tunable tsim siv lub laser uas nws emission yuav tsum tau steered nyob rau hauv ib tug ntau zaus txhais tau tias, ces xauv rau ib tug xaiv ITU channel. Hauv daim teb-cov pov thawj pluggables, sampled-grating faib Bragg reflector (SG-DBR), sab nraud- kab noj hniav, thiab array-raws li kev tsim qauv daws qhov teeb meem no txawv, tab sis cov txiaj ntsig kev ua haujlwm yog tib yam: tus neeg teb xov tooj xaiv ib lub channel, thiab cov qauv hauv av ntawm qhov wavelength.
Daim phiaj yog kev tswj xyuas.ITU-T G.694.1txhais DWDM zaus daim phiaj thiab cov kev sib txawv ntawm cov channel xws li 100 GHz, 50 GHz, thiab hloov pauv tau - daim phiaj ua haujlwm. Hauv cov ntsiab lus siv tau, tag nrho C-band tunable transceiver yog qhov muaj txiaj ntsig vim tias ib qho khoom seem tuaj yeem raug xa mus rau ntau qhov wavelength slots es tsis txhob yuam lub tsev khaws khoom kom tuav ib qho kev sib cais ruaj khov - xim optic rau txhua qhov channel.
Qhov uas yooj yim rau nco yog tias "tunable" piav qhia txog kev sib tw wavelength, tsis txuas qhov haum. Ib qho module yuav qhib rau qhov tseeb ITU channel thiab tseem ua tsis tau yog tias hom txais, FEC hom, OSNR npoo, mux lim dav, lossis tus tswv tsev teeb tsa tsis raug. Hauv kev sib xyaw ua ke - thiab - cov haujlwm thauj mus los, cov qauv yuav tsum tau teev tseg nrog cov kab ke, tsis yog nrog qhov hloov chaw nres nkoj xwb.
Direct-Ntev los yog Coherent: Ob Txoj Kev Taug Kev, Ob Qhov Kev Siv
Tunable optics tsis yog ib pawg khoom. Direct-nrhiav tunable modules, feem ntau yog 10G thiab 25G hauv SFP + thiab SFP28, rov qab cov teeb liab nrog lub photodiode yooj yim thiab haum rau luv luv, mobile fronthaul, thiab nkag tau - ntug DWDM. Coherent tunable modules, los ntawm 100G txog 400G hauv QSFP28 thiab QSFP-DD, yog tsim nyob ib ncig ntawm ZR thiab OpenZR+ cov chav kawm, siv lub zos oscillator thiab digital teeb liab processor los them rau chromatic dispersion thiab suab nrov hauv lub tshuab hluav taws xob. Xaiv ib qho kev sib txuas lus tunable transceiver rau 10 km fronthaul hop yog them rau DSP thiab lub zog koj yuav tsis siv; xaiv ncaj qha- kuaj pom rau 400 km hauv cheeb tsam txuas yooj yim yuav tsis kaw.
A Tunable SFP + DWDM modulefeem ntau yog qhov kev sib tham zoo rau 10G nkag mus, fronthaul, lossis luv luv metro txuas qhov twg cov khoom lag luam yooj yooj yim dua li kev sib koom ua ke. Lub transceiver tunable coherent yog nyob rau hauv cov qauv tsim sib txawv: metro DCI, kev thauj mus los hauv cheeb tsam, thiab IP- dhau -DWDM txuas qhov twg dispersion, OSNR, thiab ib - fiber ntau muaj peev xwm tswj tau qhov kev txiav txim siab.
Cov teeb meem nyuaj zaum nyob ib ncig ntawm metro 80-120 km band. Yog hais tias txoj kev siv cov qub kho dua qub -grid mux/demux hardware, tsis muaj lub hom phiaj amplifier, los yog tsis tuaj yeem txhawb nqa cov channel bandwidth uas xav tau, ncaj qha - kuaj xyuas kuj tseem yog qhov kev xaiv zoo dua. Yog hais tias txoj kev twb muaj amplification, txaus OSNR margin, thiab ROADMs los yog cov ntxaij lim dej uas muaj peev xwm dhau lub coherent teeb liab kom huv si, coherent feem ntau yeej ntawm lub peev xwm thiab yav tom ntej scalability. Txoj kev lim dav dav dav dav dav dav dav dav dav dav dav dav dav dav dav dav dav dav dav dav dav dav dav dav dav dav dav dav dav dav dav dav dav dav dav dav dav dav dav dav dav dav dav dav dav dav dav dav dav dav dav dav dav dav dav dav dav hlau Nyh Nyuaj Nyij Pooj
Qhov twg 100G tseem yog lub hom phiaj tus nqi, a100ZR coherent tunable QSFP28tuaj yeem ua rau muaj kev nkag siab rau -ntug lossis luv DCI tsim uas xav tau kev ua haujlwm sib raug zoo yam tsis tau dhia mus rau 400G. Hauv kev xyaum, thaum peb spec cov chav kawm no rau kev nkag mus rau 80 km- ntug txoj kev, tus tswv tsev txhawb FEC hom thiabDDM pom kevtuaj yeem hloov cov npe siv tau ua ntej tus nqi txawm tias piv.
Hauv qab no yog qhov kev txiav txim siab engineers siv tiag tiag. Lub rooj teeb tsa cov teeb meem pom tseeb, thaum lub suab nruab nrab nyuaj tseem xav tau txoj hauv kev -qib txheeb xyuas ib puag ncig kab sib chaws, kev nthuav dav, lim dej, thiab OSNR npoo.
| Dimension | Direct -nrhiav tunable (10/25G) | Coherent tunable (100-400G ZR / ZR +) |
|---|---|---|
| Form factor | SFP+, SFP28 | QSFP28, QSFP-DD |
| Kev kuaj pom | Photodiode / APD | Local oscillator + DSP |
| Hom ncav cuag | Mus txog ~ 80 km | 80 km unamplified, 300-480 km amplified |
| Modulation | OOK / NRZ | DP-QPSK, DP-16QAM |
| Zoo tshaj plaws | Fronthaul, nkag mus, luv metro | Metro, regional, long -haul DCI |
| Lub hnab ntawv muaj zog | Tsawg, feem ntau yog ob peb watts | Siab dua, txog 5.5–22.5 W los ntawm chav kawm |
Cov Parameters uas txiav txim siab seb qhov txuas tuaj
Lub transceiver tunable uas tsaws ntawm txoj cai wavelength tseem tuaj yeem ua tsis tau qhov txuas. Rau ncaj qha - kuaj xyuas modules, thawj qhov kev kuaj xyuas yog kab sib chaws wavelength, tso zis fais fab, receiver rhiab heev, dispersion kam rau ua, mux insertion poob, thiab seb tus tswv tsev puas tuaj yeem teeb tsa lub channel. Rau cov qauv sib txuas, cov npe nthuav dav kom tso tawm lub zog, baud tus nqi, qauv qauv, FEC hom, xav tau OSNR, thiab kab - kev lim dej.
Ib qho 400G OpenZR + interface khiav ze 60 GBd, yog li txhua tus qauv ntxiv / poob, AAWG, lossis wavelength - xaiv hloov hauv txoj kev yuav tsum dhau bandwidth txaus rau lub teeb liab. Cov qub kho dua- kab sib chaws kho vajtse yuav zoo sib xws ntawm cov phiaj xwm channel tab sis tseem nqaim- lim cov cab kuj sib txuas. Hauv kev hloov kho DCI tiag tiag, lees paub tag nrhoDCI OTN khoomtxoj kev npog lub optic, mux / demux, amplifier, kev tiv thaiv, thiab kev saib xyuas ua ntej lub module yog kho raws li ib tug yooj yim chaw nres nkoj upgrade.
Kev kho qhov yuam kev rau pem hauv ntej yog lwm tus neeg saib xyuas lub rooj vag. ZR-chav kawm optics siv CFEC, thaum ZR+/OpenZR+ optics siv zog OFEC los txhawb kev ncav cuag ntev dua thiab nyuaj dua kev kho qhov muag. Ob qhov kawg ntawm qhov sib txuas sib txuas xav tau cov qauv sib xws; kev tsis sib haum xeeb tuaj yeem tawm ntawm qhov chaw nres nkoj powered, tuned, thiab tseem poob. Rau pab pawg tsim lossis nthuav dav WDM txheej, lubDWDM thiab CWDM systemtsim yuav tsum tau kuaj xyuas ib sab ntawm cov kev xaiv module, vim hais tias cov mux, lim kab sib chaws, amplifier spacing, thiab kev tiv thaiv kev npaj tuaj yeem txiav txim siab seb qhov optic puas ua tau raws li tau teev tseg.
Launch hwj chim kuj hloov tus nqi tiag. Hauv qee qhov OpenZR + tus qauv tsim, cov qauv tso tawm yuav tsis siab txaus los pub txoj kev ntxiv rau hauv mux yam tsis muaj kev nthuav dav, tshwj xeeb tshaj yog tom qab thaj vaj huam sib luag, VOA chaw, lossis qhov chaw cabling poob. Ib qhov txuas pob nyiaj uas tsis quav ntsejinline optical amplificationtuaj yeem ua rau "qis dua-tus nqi pluggable" tsim tsis tau tsuas yog tom qab lub khib yog cabled.
Yuav Ua Li Cas Tune DWDM Transceiver Wavelength hauv Kev Xyaum
Nrhiav rauYuav ua li cas kho DWDM transceiver wavelengthfeem ntau yog los ntawm ib tug neeg uas twb dhau los ntawm txoj kev xav. Cov txheej txheem yooj yim yog yooj yim: txheeb xyuas ITU channel, paub meej tias tus tswv txhawb nqa lub module tswj kev sib tshuam, teeb tsa lub wavelength los ntawm tus tswv CLI lossis tswj software, tom qab ntawd txheeb xyuas lub zog kho qhov muag, lub ntsuas phoo wavelength, tswb, thiab DDM nyeem tom qab qhov txuas tau patched.
Qhov teeb meem tswv yim yog kev txhawb nqa tswv tsev. Qee cov keyboards thiab routers tuaj yeem teeb tsa cov channel ncaj qha; Lwm tus tuaj yeem nyeem cov module tab sis tsis tuaj yeem kho nws. Nyob rau hauv cov ntaub ntawv no, cov channel yuav tsum tau ua ntej -coded los ntawm EEPROM configuration, teem nrog ib tug lwm tuning cuab tam, los yog muab los ntawm tus tswv tsev sib haum ua ntej kev teeb tsa. Hauv FB-LINK tej yaam num,host compatibility codingib txwm kuaj ua ntej xa khoom xa tuaj rau cov platforms xws li Cisco, Arista, Juniper, Dell, thiab HPE, vim tias lub transceiver tunable uas tsis tuaj yeem hloov kho los ntawm tus tswv tsev tau dhau los ua lub tsheb thauj khoom - yob teeb meem, tsis yog teeb meem module.
Tsib Yam Tsis Muaj Leej Twg Qhia Koj Ua ntej xa mus
- Ib coherent tunable module yuav tsum Tx thiab Rx yuav tsum tau teem rau tib lub wavelength vim hais tias ob qho tib si cov lus qhia qhia ib lub zos oscillator.
- Interoperability yog ntau nuanced tshaj cov qauv ua rau nws suab; nws yuav tsum tsim nyog rau tib hom tswv tsev, kab kab ke, thiab cov phiaj xwm channel.
- Cov kab hluav taws xob kho qhov muag, suav nrog ROADMs, amplifiers, thiab kev tiv thaiv txoj hauv kev, yuav tsum tau kuaj xyuas cov teeb liab sib raug zoo.
- Tus tswv tsev yuav tsum tuaj yeem kho qhov muag pom; Yog tias tsis tau txais kev txhawb nqa CLI, lwm txoj kev muab los ntawm EEPROM lossis lwm yam cuab yeej yuav tsum tau ua.
- Tus kheej -tu SFP wavelength tus cwj pwm nyob ntawm firmware thiab tswj lub dav hlau lub xeev; kev tsis sib haum xeeb tuaj yeem ua rau cov tsos mob tsis ua haujlwm.
Interoperability thiab cov qauv uas cog lus rau nws
Yog vim li cas cov pluggables sib koom ua ke tuaj yeem sim tus neeg muag khoom- sib tov yog ib pawg ntawm cov lus pom zoo uas tau txav mus rau kev lag luam tawm ntawm daim npav muaj tswv.OIF's 400 ZRtxhais ib qho kev sib cuam tshuam 400GbE DCI interface; OpenZR+ txuas ntxiv lub hnab ntawv ua haujlwm nrog FEC muaj zog dua thiab ntau- tus nqi, ntau- ncua kev siv; thiab Qhib ROADM specifications thawb coherent interfaces mus rau switched optical networks.
Validation tau tsiv dhau daim ntawv. OIF thiab OpenZR+ cov xwm txheej sib cuam tshuam tau pom tias ntau - cov neeg muag khoom sib txuas tuaj yeem nqa cov khoom tsim tawm - tus nqi tsheb hla kev sib koom kho qhov muag thaum modules, hosts, thiab kab tau tsim ua ke. Cov qauv txo tus neeg muag khoom xauv-nyob rau hauv, tab sis txoj kev tsim nyog tseem txiav txim siab qhov kev pheej hmoo ntau lawm.
Qhov Sparing Math tiag tiag zoo li cas
Ntawm no yog ib feem ntawm tus nqi -txuag swb tawm. Ib qho wavelength -agile module hloov qhov xav tau los npaj txhua qhov ruaj C-band channel, yog li ntawm96-channel cogkev txo cov khoom muag yog ua rau ntawm daim ntawv. Tab sis ib tus neeg tunable chav tsev feem ntau raug nqi ntau zaus ntau dua li qhov sib piv kho qhov muag, uas txhais tau hais tias qhov so -txawm yog ib qho kev ua haujlwm ntawm ntau npaum li cas cov channel sib txawv koj tau tso tseg thiab ntawm qhov piv txwv. Ntawm plaub-channel ntug node, cov khoom ruaj khov tseem yuav yeej; ntawm lub nplhaib metro ntom ntom teeb pom kev zoo ntau lub wavelengths, tunable sparing them rau nws tus kheej sai sai thiab them nyiaj txhua zaus cov qauv tsheb khiav.
Ib tug qauv sparing yuav tsum muaj tsawg kawg yog tsib qhov sib txawv: tus naj npawb ntawm cov yoj wavelengths, tus naj npawb ntawm txoj kev uas sib koom tib lub pas dej ua ke, xav tias tsis ua hauj lwm hloov lub sij hawm, tus tswv tsev coding yuav tsum, thiab seb tus tib tunable transceiver tuaj yeem txhawb ntau kab nqi lossis tsuas yog ib qho xwb. Raws li txoj cai ua haujlwm, ib zaug ib lub pas dej sib koom ua ke tiv thaiv kwv yees li 8-10 lub zog ua haujlwm nyob thoob plaws ntau qhov chaw, peb kho cov kev sib tw tunable raws li tus nqi loj - txo tus neeg sib tw; hauv qab no ntau yam, tsau -channel spares feem ntau pheej yig dua tshwj tsis yog tias kev kho kom rov qab ceev yog qhov tseem ceeb KPI.
Yog tias koj pab neeg xav khiav qhov kev suav no ua ntej kev yuav khoom, npaj qhov kev ncua deb, channel kab sib chaws, tam sim no mux / demux qauv, amplifier layout, host platform, phiaj xwm cov ntaub ntawv, thiab txoj cai seem rauFB-LINK hu rau kev txhawb nqa. Cov tswv yim no txaus rau tus kws tshaj lij los qhia seb cov tshuab transceiver tunable puas yog kev ua haujlwm tiag tiag - tus nqi kom zoo dua lossis tsuas yog cov khoom kim dua.
Thaum Tunable Ua Kev Pom Zoo thiab Thaum Nws Tsis Ua
Lub transceiver tunable ua rau muaj kev nkag siab zoo thaum wavelength yooj tshem tawm lub nra ntawm kev ua haujlwm tiag tiag: ntom ntom metro DWDM rings, DCI meshes, carrier edge routes, lab-mus rau- networks ntau lawm, thiab txhua qhov chaw uas circuits re-homed feem ntau. Nws kuj ua rau kev txiav txim siab thaum lub pas dej ua ke tuaj yeem sib koom hla ntau cov channel thiab qhov chaw. Hauv cov xwm txheej no, tunable transceiver thev naus laus zis txo cov khoom lag luam nyuaj thiab txo lub sijhawm rov qab los.
Nws tsis tuaj yeem ua rau muaj kev nkag siab zoo rau txhua qhov txuas kho qhov muag. Kho qhov muag kho qhov muag tseem yog qhov kev xaiv zoo rau qhov ruaj khov, qis -channel- suav txoj kev uas qhov kev hloov pauv tsis tshua muaj thiab tus tswv platform tsis muaj kev txhim kho kev ua haujlwm. Cov lus nug engineering tsis yog hais tias tunable yog siab dua; nws yog seb txoj kev twg muaj qhov tsis txaus wavelength tsis paub meej los them rau qhov yooj.
FAQ
Q: Dab tsi yog tunable transceiver technology?
A: Tunable transceiver technology yog hais txog lub pluggable optical module uas nws lub laser wavelength yuav reprogrammed hla ib daim phiaj DWDM, tso cai rau ib module ua hauj lwm rau ntau yam C-band channels es tsis txhob stocking ib tug fixed optic rau txhua wavelength.
Q: Dab tsi yog qhov txawv ntawm qhov ncaj qha - ntes thiab coherent tunable transceivers?
A: Direct -nrhiav tunable optics, feem ntau yog 10G los yog 25G SFP +/SFP28, haum luv ncav cuag, nkag mus, thiab fronthaul txuas. Coherent tunable optics, feem ntau yog 100G txog 400G QSFP28/QSFP-DD, siv DSP thiab coherent detection rau metro, regional, thiab DCI txuas uas xav tau siab dua thiab muaj peev xwm.
Q: Puas yog tunable transceivers sib cuam tshuam ntawm cov neeg muag khoom?
A: Cov qauv xws li 400ZR thiab OpenZR + txhawb nqa ntau- cov neeg muag khoom sib cuam tshuam, tab sis cov khoom sib txuas tseem xav tau kev tsim nyog ntawm tus tswv tsev tiag tiag, FEC hom, channel phiaj xwm, mux/ROADM, amplifier saw, thiab OSNR margin.
Q: Puas yog tunable transceivers txuag nyiaj piv rau ruaj - wavelength modules?
A: Lawv muaj peev xwm, tshwj xeeb tshaj yog nyob rau hauv tuab DWDM tes hauj lwm nrog ntau lub active wavelengths thiab sib koom cov pas dej ua ke. Raws li kev ua qauv tsim qauv, kev sib koom cov pas dej ua ke uas muaj kwv yees li 8-10 lub zog ua haujlwm nyob thoob plaws ntau qhov chaw yog qhov chaw tunable sparing feem ntau pib tuav ruaj -channel stocking.
Q: Kuv yuav tsum xaiv li cas ntawm qhov kho qhov muag kho qhov muag thiab qhov hloov tau DWDM transceiver?
A: Xaiv qhov kho qhov muag kom ruaj khov, qis -channel- suav txuas. Xaiv ib tug tunable DWDM transceiver thaum txo qis, wavelength re-homing, host coding yooj yooj yim, los yog ntau- site inventory simplification muaj nuj nqis ua haujlwm.