Yintoni imodyuli ye-DWDM optical?

Itekhnoloji ye-Dense Wavelength Division Multiplexing (DWDM) ingasetyenziswa kwiindawo ezahlukeneyo zothungelwano, kuquka uthungelwano lwe-long distance backbone, uthungelwano lwe-metropolitan area (MAN), uthungelwano lokufikelela kwiindawo zokuhlala, kunye nothungelwano lwe-local area (LAN).

Kwezi zicelo, ngakumbi ii-MAN, ii-small form-factor pluggable (SFP) kunye nezinye iintlobo zee-optical modules zihlala zifakelwa kwi-high-density form factors. Yiyo loo nto abantu belangazelela ii-DWDM optical transceivers kangaka. Esi sifundo siza kukuxelela malunga nesishwankathelo see-DWDM optical modules, kwaye siza kukwazisa ngezisombululo ze-Beiyi Fibercom (WWW.F-TONE.COM) DWDM optical module.

Yintoni imodyuli ye-DWDM optical?

Njengoko igama layo lisitsho, i-DWDM optical module yi-optical module edibanisa itekhnoloji ye-DWDM. I-DWDM optical module isebenzisa ubude obahlukeneyo be-wavelengths ukuphinda-phinda imiqondiso emininzi ye-optical ibe yi-optical fiber enye, kwaye olu sebenzi alusebenzisi mandla. Ezi modyuli ze-optical zenzelwe ukudluliselwa komgama omde, okunamandla aphezulu, isantya sinokufikelela kwi-10GBPS, kwaye umgama wokusebenza ungafikelela kwi-120KM. Kwangaxeshanye, i-DWDM optical module yenzelwe ngokwemigangatho ye-Multilateral Agreement (MSA) ukuqinisekisa ukuhambelana kwezixhobo zenethiwekhi. Iimodyuli ze-10G DWDM optical zixhasa i-ESCON, i-ATM, i-Fiber Channel kunye ne-10 Gigabit Ethernet (10GBE) kwizibuko ngalinye. Iimodyuli ze-DWDM optical ezikwimarike zihlala ziquka: iimodyuli ze-DWDM SFP, i-DWDM SFP+, i-DWDM XFP, i-DWDM X2 kunye ne-DWDM XENPAK optical, njl.

Umsebenzi kunye nomgaqo wokusebenza we-DWDM optical module

Umsebenzi osisiseko kunye nomgaqo wokusebenza we-DWDM optical module ziyafana nezinye iimodyuli ze-optical, eziguqula imiqondiso yombane ibe ziimpawu ze-optical, zize ziguqule imiqondiso ye-optical ibe ziimpawu zombane. Nangona kunjalo, i-DWDM optical module yenzelwe ukusetyenziswa kwe-DWDM, kwaye kufanelekile ukukhankanya ukuba ineempawu kunye nemisebenzi yayo. Xa kuthelekiswa ne-coarse wavelength division multiplexing (CWDM) optical module, i-DWDM optical module yenzelwe i-single-mode fiber, kwaye njengoko kuchaziwe ngokucacileyo yi-ITU-T, ikuluhlu lwe-DWDM oluyi-1528.38 ukuya kwi-1563.86NM (itshaneli 17 ukuya kwitshaneli 61). isebenza phakathi kwamaza obude. Isetyenziselwa ukufaka izixhobo zenethiwekhi ye-DWDM zokufikelela kwedolophu kunye nenethiwekhi ephambili. Iza nesixhumi se-SFP 20-pin sokusebenza okunokutshintshwa okushushu. Icandelo layo lokudlulisela lisebenzisa i-DWDM multiple quantum well DFB laser, eyi-Class 1 compliant laser ngokwemigangatho yokhuseleko lwamazwe ngamazwe i-IEC-60825. Ukongeza, iimodyuli ze-DWDM optical ezivela kubaboneleli abaninzi ziyahambelana nomgangatho we-SFF-8472 MSA. Izinto ezintsha zamva nje kwiinkqubo zothumelo lwe-DWDM ziquka iimodyuli ze-optical ezinokuxhunywa, ezinokuhlengahlengiswa ezinokusebenza kwiitshaneli ezingama-40 okanye ezingama-80. Le mpumelelo inciphisa kakhulu imfuneko yeemodyuli ezahlukeneyo ezinokuxhunywa xa uluhlu olupheleleyo lwamaza okukhanya lunokuguqulwa kuphela ngezixhobo ezimbalwa ezinokuxhunywa apha naphaya.

Uhlu lweemodyuli ze-DWDM optical

Ngokwesiqhelo, xa sibhekisa kwiimodyuli ze-DWDM optical, sibhekisa kwiimodyuli ze-Gigabit okanye ze-10 Gigabit DWDM optical. Ngokweendlela ezahlukeneyo zokupakisha, iimodyuli ze-DWDM optical zinokwahlulwa zibe ziintlobo ezintlanu. Ezi zezi: iimodyuli ze-DWDM SFP, DWDM SFP+, DWDM XFP, DWDM X2, kunye neemodyuli ze-DWDM XENPAK optical.

Ii-DWDM SFPs

Imodyuli ye-optical ye-DWDM SFP inika ikhonkco le-serial elikhawulezayo elinesantya sokudluliselwa kwesignali se-100 MBPS ukuya kwi-2.5 GBPS. Imodyuli ye-optical ye-DWDM SFP ihambelana neemfuno zomgangatho we-IEEE802.3 Gigabit Ethernet kunye ne-ANSI Fiber Channel specifications, kwaye ifanelekile ukunxibelelana kwiindawo ze-Gigabit Ethernet kunye ne-Fiber Channel.

I-DWDM SFP+

Iimodyuli ze-DWDM SFP+ optical zenzelwe ngokukodwa abaqhubi kunye namashishini amakhulu afuna i-multiplexing, transmission kunye nokukhuselwa kwi-point-to-point, add-drop multiplexing, ring, mesh kunye ne-star network topologies I-high speed data, storage, voice and video applications, esebenzisa inkqubo enokulinganiswa, eguquguqukayo, nengabizi kakhulu. I-DWDM ivumela ababoneleli beenkonzo ukuba bahlangabezane neemfuno zenani elikhulu leenkonzo ezihlanganisiweyo kuyo nayiphi na i-subrate protocol ngaphandle kokufaka i-dark fiber eyongezelelweyo. Ke ngoko, i-DWDM SFP+ optical module yeyona ndlela ilungileyo yokusetyenziswa kwe-bandwidth ephezulu ye-10 Gigabit.

I-DWDM XFP

I-DWDM XFP optical transceiver ihambelana ne-XFP MSA specifications yangoku. Ixhasa usetyenziso lwe-SONET/SDH, i-10 Gigabit Ethernet kunye ne-10 Gigabit Fiber Channel.

I-DWDM X2

Imodyuli ye-optical ye-DWDM X2 yimodyuli ye-transceiver ye-serial optical esebenza kakhulu kwizicelo zokudlulisa idatha ze-10 Gigabit ezikhawulezayo. Le modyuli ihambelana ngokupheleleyo nomgangatho we-Ethernet IEEE 802.3AE kwaye ifanelekile kwizicelo ze-10 Gigabit Ethernet zonxibelelwano lwedatha (i-rack-to-rack, i-client interconnect). Le modyuli ye-transceiver inala macandelo alandelayo: i-transmitter ene-DWDM EML cooled laser, i-receiver ene-PIN type photodiode, i-XAUI connection interface, i-encoder/decoder edibeneyo kunye nesixhobo se-multiplexer/demultiplexer.

I-DWDM XENPAK

Imodyuli ye-optical ye-DWDM XENPAK yimodyuli yokuqala ye-optical ye-10 Gigabit Ethernet exhasa i-DWDM. I-DWDM yiteknoloji yokudlulisa i-optical edlulisela kwiitshaneli ezininzi kwifayibha efanayo ye-optical. Ngoncedo lwe-optical amplifier EDFA, imodyuli ye-optical ye-DWDM XENPAK inokuxhasa ukuhanjiswa kwedatha yeziteshi ezingama-32 kunye nomgama ofikelela kwi-200KM. Inkqubo ye-10 Gigabit Ethernet esekelwe kwitekhnoloji ye-DWDM ifezekiswa ngaphandle kwesidingo sesixhobo sangaphandle esizinikeleyo - i-transceiver ye-optical (ukuguqula ubude be-wavelength ukusuka (umz.: 1310NM) ukuya kwi-wavelength ye-DWDM) -.

Ukusetyenziswa kwemodyuli ye-DWDM optical

Iimodyuli ze-DWDM optical zihlala zisetyenziswa kwiinkqubo ze-DWDM. Nangona ixabiso leemodyuli ze-DWDM optical liphezulu kuneemodyuli ze-CWDM optical, i-DWDM isetyenziswa kakhulu kwi-MAN okanye kwi-LAN ngokweemfuno ezikhulayo. Iintlobo ezahlukeneyo zokupakisha iimodyuli ze-DWDM optical zinezicelo ezahlukeneyo. I-DWDM SFP ingasetyenziswa kwinethiwekhi ye-DWDM eyandisiweyo, i-Fiber Channel, i-ring network topology ye-OADM esisigxina neyihlengahlengiswayo, i-Fast Ethernet, i-Gigabit Ethernet kunye nezinye iinkqubo zothumelo lwe-optical. I-DWDM SFP+ ihambelana nomgangatho we-10GBASE-ZR/ZW kwaye ingasetyenziselwa iintambo ze-optical ze-10G. I-DWDM XFP idla ngokusetyenziswa apho ihambelana nemigangatho emininzi equka: i-10GBASE-ER/EW Ethernet, i-1200-SM-LL-L 10G Fiber Channel, i-SONET OC-192 IR-2, i-SDH STM S-64.2B, i-SONET OC-192 IR-3, i-SDH STM S-64.3B kunye nemigangatho ye-ITU-T G.709. Ezinye iintlobo ezifana ne-DWDM X2 kunye ne-DWDM XENPAK zisetyenziselwa iinjongo ezifanayo. Ukongeza, ezi modules ze-DWDM optical zingasetyenziselwa ii-interfaces ze-switch-to-switch, ii-applications ze-switching backplane, kunye nee-interfaces ze-router/server, njl.

I-HUANET ibonelela ngoluhlu olupheleleyo lweemveliso zeenkqubo ze-DWDM. Isebe lethu le-R&D kunye neqela lobuchwephesha, ngokusebenzisa ubuchwepheshe obuphambili kunye nobuchule obuqinileyo bokuvelisa izinto ezintsha, bavelise ezona zinto zibalaseleyo ze-optical kudidi lwabo lweenkqubo ze-DWDM. Umgca wemveliso ye-DWDM optical transceiver yenye yeendlela zethu ezithengiswa kakhulu zemveliso. Sinikezela ngeemodyuli ze-DWDM optical ezineentlobo ezahlukeneyo zeephakheji, imigama eyahlukeneyo yokudlulisa kunye namazinga ahlukeneyo okudlulisa. Ukongeza, iimodyuli ze-DWDM optical ze-HUANET ziyahambelana nezinye iimpawu, ezifana ne-CISCO, i-FINISAR, i-HP, i-JDSU, njl.njl., kwaye zifanelekile nakwiinethiwekhi ze-OEM ezifuna iinkcukacha zokuhambelana. Okokugqibela, zombini i-OEM kunye ne-ODM ziyafumaneka.