DWDM optical module yog dab tsi?

Cov thev naus laus zis Dense Wavelength Division Multiplexing (DWDM) siv tau rau ntau qhov chaw sib txuas lus, suav nrog cov tes hauj lwm backbone ntev, cov tes hauj lwm cheeb tsam metropolitan (MAN), cov tes hauj lwm nkag mus rau hauv tsev, thiab cov tes hauj lwm hauv zos (LAN).

Hauv cov ntawv thov no, tshwj xeeb tshaj yog MANs, cov qauv me me uas ntsaws tau (SFP) thiab lwm hom optical modules feem ntau raug ntsia rau hauv cov qauv siab. Qhov no yog vim li cas tib neeg tos ntsoov rau DWDM optical transceivers heev. Cov lus qhia no yuav qhia koj txog cov ntsiab lus ntawm DWDM optical modules, thiab qhia koj txog Beiyi Fibercom (WWW.F-TONE.COM) DWDM optical module kev daws teeb meem.

DWDM optical module yog dab tsi?

Raws li nws lub npe qhia peb, DWDM optical module yog ib qho optical module uas muab DWDM technology ua ke. DWDM optical module siv ntau qhov wavelengths sib txawv los ua ntau lub teeb liab optical rau hauv ib lub fiber optical, thiab qhov kev ua haujlwm no tsis siv hluav taws xob. Cov optical modules no yog tsim los rau kev xa mus ntev, muaj peev xwm siab, tus nqi tuaj yeem ncav cuag 10GBPS, thiab qhov deb ua haujlwm tuaj yeem ncav cuag 120KM. Tib lub sijhawm, DWDM optical module yog tsim raws li Multilateral Agreement (MSA) tus qauv kom ntseeg tau tias muaj ntau yam khoom siv network sib xws. 10G DWDM optical modules txhawb ESCON, ATM, Fiber Channel thiab 10 Gigabit Ethernet (10GBE) ntawm txhua qhov chaw nres nkoj. Cov DWDM optical modules hauv khw feem ntau suav nrog: DWDM SFP, DWDM SFP +, DWDM XFP, DWDM X2 thiab DWDM XENPAK optical modules, thiab lwm yam.

Kev ua haujlwm thiab txoj cai ua haujlwm ntawm DWDM optical module

Lub luag haujlwm yooj yim thiab txoj cai ua haujlwm ntawm DWDM optical module zoo ib yam li lwm cov optical modules, uas hloov cov teeb liab hluav taws xob mus rau hauv cov teeb liab optical, thiab tom qab ntawd hloov cov teeb liab optical mus rau hauv cov teeb liab hluav taws xob. Txawm li cas los xij, DWDM optical module yog tsim los rau DWDM daim ntawv thov, thiab nws tsim nyog hais tias nws muaj nws tus yam ntxwv thiab kev ua haujlwm. Piv nrog rau coarse wavelength division multiplexing (CWDM) optical module, DWDM optical module yog tsim los rau ib hom fiber, thiab raws li tau teev tseg meej meej los ntawm ITU-T, nws nyob hauv DWDM nominal ntau ntawm 1528.38 txog 1563.86NM (channel 17 rau channel 61). ua haujlwm ntawm wavelengths. Nws yog siv los xa mus rau hauv DWDM network khoom siv ntawm kev nkag mus rau hauv nroog thiab cov tub ntxhais network. Nws los nrog SFP 20-pin connector rau kev ua haujlwm kub-hloov tau. Nws qhov seem transmitter siv DWDM ntau quantum qhov dej DFB laser, uas yog Class 1 raws li laser raws li tus qauv kev nyab xeeb thoob ntiaj teb IEC-60825. Ntxiv rau, DWDM optical modules los ntawm ntau tus neeg muag khoom ua raws li tus qauv SFF-8472 MSA. Cov kev tsim kho tshiab tshaj plaws hauv DWDM kis tau tus kab mob suav nrog pluggable, tunable optical modules uas muaj peev xwm ua haujlwm ntawm 40 lossis 80 channel. Qhov kev ua tiav no txo ​​qhov xav tau rau cov pluggable modules sib cais thaum tag nrho cov wavelengths tsuas yog tuaj yeem tswj tau nrog ob peb lub cuab yeej pluggable ntawm no thiab qhov ntawd.

Kev faib tawm ntawm DWDM optical modules

Feem ntau, thaum peb hais txog DWDM optical modules, peb hais txog Gigabit lossis 10 Gigabit DWDM optical modules. Raws li cov ntawv ntim khoom sib txawv, DWDM optical modules tuaj yeem faib ua tsib hom. Lawv yog: DWDM SFP, DWDM SFP +, DWDM XFP, DWDM X2, thiab DWDM XENPAK optical modules.

DWDM SFPs

Lub DWDM SFP optical module muab kev sib txuas ceev ceev nrog lub teeb liab kis tau ntawm 100 MBPS txog 2.5 GBPS. DWDM SFP optical module ua raws li qhov yuav tsum tau ua ntawm IEEE802.3 Gigabit Ethernet tus qauv thiab ANSI Fiber Channel specification, thiab tsim nyog rau kev sib txuas hauv Gigabit Ethernet thiab Fiber Channel ib puag ncig.

DWDM SFP+

DWDM SFP + optical modules yog tsim tshwj xeeb rau cov neeg teb xov tooj thiab cov lag luam loj uas xav tau multiplexing, kis tau tus mob thiab kev tiv thaiv hauv point-to-point, add-drop multiplexing, ring, mesh thiab star network topologies Cov ntaub ntawv ceev ceev, khaws cia, suab thiab video daim ntawv thov, siv lub kaw lus scalable, flexible, thiab pheej yig. DWDM ua rau cov neeg muab kev pabcuam ua tau raws li qhov xav tau ntawm ntau cov kev pabcuam sib sau ua ke rau txhua tus txheej txheem subrate yam tsis tau txhim kho cov fiber ntau tsaus ntxiv. Yog li ntawd, DWDM SFP + optical module yog qhov kev xaiv zoo tshaj plaws rau daim ntawv thov bandwidth siab tshaj plaws ntawm 10 Gigabit.

DWDM XFP

Lub DWDM XFP optical transceiver ua raws li cov lus qhia tam sim no ntawm XFP MSA. Nws txhawb nqa SONET/SDH, 10 Gigabit Ethernet thiab 10 Gigabit Fiber Channel daim ntawv thov.

DWDM X2

DWDM X2 optical module yog ib qho kev ua haujlwm siab serial optical transceiver module rau kev siv high-speed, 10 Gigabit data transmission applications. Lub module no ua raws li Ethernet IEEE 802.3AE tus qauv thiab zoo tagnrho rau 10 Gigabit Ethernet data communications (rack-to-rack, client interconnect). Lub transceiver module no muaj cov khoom hauv qab no: transmitter nrog DWDM EML txias laser, receiver nrog PIN hom photodiode, XAUI kev sib txuas interface, integrated encoder/decoder thiab multiplexer/demultiplexer device.

DWDM XENPAK

DWDM XENPAK optical module yog thawj 10 Gigabit Ethernet optical module uas txhawb nqa DWDM. DWDM yog ib qho thev naus laus zis kis tau los ntawm ntau txoj hauv kev ntawm tib lub fiber ntau. Nrog kev pab los ntawm lub tshuab hluav taws xob EDFA, DWDM XENPAK optical module tuaj yeem txhawb nqa 32-channel kis tau cov ntaub ntawv nrog qhov deb txog li 200KM. Ib qho 10 Gigabit Ethernet system raws li DWDM technology tau ua tiav yam tsis tas yuav siv lub cuab yeej sab nraud tshwj xeeb - lub tshuab xa hluav taws xob (los hloov qhov wavelength los ntawm (piv txwv li: 1310NM) mus rau DWDM wavelength) -.

Daim ntawv thov ntawm DWDM optical module

Feem ntau, DWDM optical modules siv rau hauv DWDM systems. Txawm hais tias tus nqi ntawm DWDM optical modules siab dua li CWDM optical modules, DWDM siv ntau dua thiab ntau dua hauv MAN lossis LAN raws li qhov xav tau nce ntxiv. Cov hom ntim khoom sib txawv ntawm DWDM optical module muaj cov ntawv thov sib txawv. DWDM SFP tuaj yeem siv rau hauv amplified DWDM network, Fiber Channel, ring network topology ntawm fixed thiab reconfigurable OADM, Fast Ethernet, Gigabit Ethernet thiab lwm yam optical transmission systems. DWDM SFP + ua raws li tus qauv 10GBASE-ZR/ZW thiab tuaj yeem siv rau 10G optical cables. DWDM XFP feem ntau yog siv qhov twg nws ua raws li ntau tus qauv suav nrog: 10GBASE-ER/EW Ethernet, 1200-SM-LL-L 10G Fiber Channel, SONET OC-192 IR-2, SDH STM S-64.2B, SONET OC-192 IR-3, SDH STM S-64.3B thiab ITU-T G.709 tus qauv. Lwm hom xws li DWDM X2 thiab DWDM XENPAK siv rau cov hom phiaj zoo sib xws. Tsis tas li ntawd, cov DWDM optical modules no kuj tseem siv tau rau switch-to-switch interfaces, switching backplane applications, thiab router/server interfaces, thiab lwm yam.

HUANET muab ntau yam khoom rau DWDM systems. Peb lub chaw haujlwm R&D thiab pab pawg kws tshaj lij, los ntawm kev siv thev naus laus zis siab heev thiab muaj peev xwm tsim kho tshiab, tau tsim cov khoom siv kho qhov muag zoo tshaj plaws hauv lawv chav kawm rau DWDM systems. Cov kab khoom DWDM optical transceiver yog ib qho ntawm peb cov kab khoom muag zoo tshaj plaws. Peb muab DWDM optical modules nrog ntau hom pob khoom, sib txawv qhov deb thiab sib txawv tus nqi kis. Tsis tas li ntawd, HUANET's DWDM optical modules sib xws nrog lwm hom, xws li CISCO, FINISAR, HP, JDSU, thiab lwm yam, thiab kuj tsim nyog rau OEM networks uas xav tau cov lus qhia sib xws. Thaum kawg, ob qho tib si OEM thiab ODM kuj muaj.