O le ā le DWDM optical module?

E mafai ona faʻaaogaina le tekinolosi Dense Wavelength Division Multiplexing (DWDM) i vaega eseese o fesoʻotaʻiga fesoʻotaʻiga, e aofia ai fesoʻotaʻiga mamao, fesoʻotaʻiga o nofoaga tetele (MAN), fesoʻotaʻiga o fale mautotogi, ma fesoʻotaʻiga o nofoaga faʻalotoifale (LAN).

I nei fa'aoga, aemaise lava MAN, o le small form-factor pluggable (SFP) ma isi ituaiga o optical modules e masani ona fa'apipi'i i totonu o le high-density form factors. O le mafua'aga lea e fiafia tele ai tagata i DWDM optical transceivers. O lenei a'oa'oga o le a ta'u atu ai ia te oe le aotelega o DWDM optical modules, ma fa'ailoa atu ia te oe fofo o le Beiyi Fibercom (WWW.F-TONE.COM) DWDM optical module.

O le ā le DWDM optical module?

E pei ona taʻu mai e lona igoa ia i tatou, o le DWDM optical module o se optical module e tuʻufaʻatasia ai le tekinolosi DWDM. E faʻaaogaina e le DWDM optical module ni galu eseese e faʻateleina ai le tele o faʻailoga optical i totonu o le tasi fiber optical, ma o lenei faʻagaioiga e le faʻaaogaina ai se eletise. O nei optical modules ua mamanuina mo le maualuga le gafatia, mamao le fesiitaiga, e mafai ona oʻo atu le saoasaoa i le 10GBPS, ma e mafai ona oʻo atu le mamao faigaluega i le 120KM. I le taimi lava e tasi, o le DWDM optical module ua mamanuina e tusa ai ma le Multilateral Agreement (MSA) tulaga faʻatonuina e faʻamautinoa ai le tele o fesoʻotaʻiga o meafaigaluega fesoʻotaʻiga. O le 10G DWDM optical modules e lagolagoina le ESCON, ATM, Fiber Channel ma le 10 Gigabit Ethernet (10GBE) i luga o port taʻitasi. O le DWDM optical modules i luga o le maketi e masani ona aofia ai: DWDM SFP, DWDM SFP+, DWDM XFP, DWDM X2 ma le DWDM XENPAK optical modules, ma isi.

Galuega ma le mataupu faavae o le fa'agaoioiga o le DWDM optical module

O le galuega autū ma le mataupu faavae o le DWDM optical module e tutusa ma isi optical modules, lea e liua ai faailoilo eletise i faailoilo opitika, ona liua lea o faailoilo opitika i faailoilo eletise. Peitaʻi, o le DWDM optical module ua mamanuina mo faʻaoga DWDM, ma e taua le taʻua o loʻo i ai ona lava uiga ma galuega. Pe a faʻatusatusa i le coarse wavelength division multiplexing (CWDM) optical module, o le DWDM optical module ua mamanuina mo le single-mode fiber, ma e pei ona faʻamaoti manino mai e le ITU-T, o loʻo i totonu o le DWDM nominal range o le 1528.38 i le 1563.86NM (channel 17 i le channel 61). e faʻagaoioia i le va o wavelengths. E faʻaaogaina e faʻapipiʻi i masini fesoʻotaʻiga DWDM o le taulaga ma le core network. E sau ma se SFP 20-pin connector mo le hot-swappable functionality. O lona vaega transmitter e faʻaaogaina se DWDM multiple quantum well DFB laser, o se Class 1 compliant laser e tusa ai ma le tulaga faʻavaomalo o le saogalemu IEC-60825. E le gata i lea, o vaega fa'apitoa o le DWDM mai le tele o kamupani sapalai e ogatasi ma le tulaga fa'atonuina o le SFF-8472 MSA. O mea fou fou i faiga fa'asalalau a le DWDM e aofia ai vaega fa'apitoa o le eletise e mafai ona fa'apipi'i, e mafai ona fetu'una'i e mafai ona fa'agaoioia i luga o auala e 40 pe 80. O lenei ausia e matua fa'aitiitia ai le mana'omia o vaega fa'apitoa eseese pe a na'o ni nai masini fa'apitoa e mafai ona fa'apipi'i iinei ma iina e mafai ona fa'atonutonuina ai le lautele o galu o galu.

Fa'avasegaga o modules opitika DWDM

E masani lava, pe a tatou faasino i vaega opitika DWDM, tatou te faasino i vaega opitika Gigabit po o le 10 Gigabit DWDM. E tusa ai ma ituaiga afifi eseese, e mafai ona vaevaeina vaega opitika DWDM i ituaiga e lima. O vaega ia e aofia ai: DWDM SFP, DWDM SFP+, DWDM XFP, DWDM X2, ma le DWDM XENPAK.

DWDM SFPs

O le DWDM SFP optical module e maua ai se feso'ota'iga fa'asolosolo saoasaoa maualuga ma se fua fa'atatau o le fesiitaiga o fa'ailo e 100 MBPS i le 2.5 GBPS. O le DWDM SFP optical module e tausisia mana'oga o le tulaga fa'atonuina o le IEEE802.3 Gigabit Ethernet ma le fa'amatalaga a le ANSI Fiber Channel, ma e talafeagai mo feso'ota'iga i siosiomaga Gigabit Ethernet ma le Fiber Channel.

DWDM SFP+

O vaega fa'apitoa o le DWDM SFP+ opitika ua mamanuina fa'apitoa mo kamupani fa'agaoioia ma pisinisi tetele e mana'omia le multiplexing, fesiitaiga ma le puipuiga i totonu o le point-to-point, add-drop multiplexing, ring, mesh ma star network topologies. Fa'amatalaga vave, teuina, leo ma vitio, e fa'aaoga ai se faiga e mafai ona fa'alauteleina, fetu'una'i, ma taugofie. E mafai ai e le DWDM ona fa'ataunu'uina mana'oga o le tele o auaunaga fa'aputu mo so'o se subrate protocol e aunoa ma le fa'apipi'iina o ni fiber pogisa fa'aopoopo. O le mea lea, o le vaega fa'apitoa o le DWDM SFP+ opitika o le filifiliga sili lea mo le fa'aogaina maualuga o le bandwidth o le 10 Gigabit.

DWDM XFP

O le DWDM XFP optical transceiver e tausisia le faʻamatalaga o loʻo iai nei o le XFP MSA. E lagolagoina ai le SONET/SDH, 10 Gigabit Ethernet ma le 10 Gigabit Fiber Channel applications.

DWDM X2

O le DWDM X2 optical module o se serial optical transceiver module maualuga le fa'atinoga mo talosaga fa'asalalauga fa'amaumauga e 10 Gigabit le saoasaoa maualuga. O lenei module e atoatoa ona ogatasi ma le tulaga fa'atonuina o le Ethernet IEEE 802.3AE ma e fetaui lelei mo talosaga fa'asalalauga fa'amaumauga e 10 Gigabit Ethernet (rack-to-rack, client interconnect). O lenei transceiver module e aofia ai vaega nei: transmitter ma le DWDM EML cooled laser, receiver ma le PIN type photodiode, XAUI connection interface, integrated encoder/decoder ma le multiplexer/demultiplexer device.

DWDM XENPAK

O le DWDM XENPAK optical module o le uluai 10 Gigabit Ethernet optical module e lagolagoina le DWDM. O le DWDM o se tekinolosi fesiitaiga optical e fesiitaiga i le tele o auala i luga o le optical fiber e tasi. Faatasi ai ma le fesoasoani a le optical amplifier EDFA, e mafai e le DWDM XENPAK optical module ona lagolagoina le fesiitaiga o faamatalaga e 32-channel ma se mamao e oo atu i le 200KM. O se 10 Gigabit Ethernet system e faavae i luga o le tekinolosi DWDM e faatinoina e aunoa ma le manaomia o se masini faapitoa i fafo - o se optical transceiver (e liua ai le wavelength mai le (e pei o le: 1310NM) i le wavelength DWDM).

Fa'aaogāina o le module opitika DWDM

E masani ona faʻaaogaina modules opitika DWDM i faiga DWDM. E ui o le tau o modules opitika DWDM e maualuga atu nai lo modules opitika CWDM, ae o le DWDM e faʻateleina lona faʻaaogaina i le MAN poʻo le LAN e tusa ai ma manaʻoga faʻateleina. O ituaiga eseese o afifiina o modules opitika DWDM e eseese a latou faʻaoga. E mafai ona faʻaaogaina le DWDM SFP i fesoʻotaʻiga DWDM faʻateleina, Fiber Channel, topology fesoʻotaʻiga mama o le OADM tumau ma toe faʻatulagaina, Fast Ethernet, Gigabit Ethernet ma isi faiga faʻasalalauga opitika. E ogatasi le DWDM SFP+ ma le tulaga faʻatonuina 10GBASE-ZR/ZW ma e mafai ona faʻaaogaina mo uaea opitika 10G. E masani ona fa'aaogaina le DWDM XFP pe a tausisia tulaga fa'atonuina e aofia ai: 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 ma tulaga fa'atonuina a le ITU-T G.709. O isi ituaiga e pei o le DWDM X2 ma le DWDM XENPAK e fa'aaogaina mo fa'amoemoega fa'apena. E le gata i lea, o nei DWDM optical modules e mafai fo'i ona fa'aaogaina mo switch-to-switch interfaces, switching backplane applications, ma router/server interfaces, ma isi.

E tuʻuina atu e le HUANET se laina atoa o oloa mo faiga DWDM. O la matou matagaluega o R&D ma le 'au faʻapitoa, e ala i tekinolosi faʻaonaponei ma tomai faʻafouina malolosi, ua gaosia ai vaega sili ona lelei i la latou vasega mo faiga DWDM. O le laina oloa o le DWDM optical transceiver o se tasi o a matou laina oloa sili ona faʻatau atu. Matou te tuʻuina atu modules optical DWDM ma ituaiga afifi eseese, mamao eseese o fesiitaiga ma fua faatatau eseese o fesiitaiga. E le gata i lea, o modules optical DWDM a le HUANET e fetaui ma isi ituaiga, e pei o le CISCO, FINISAR, HP, JDSU, ma isi, ma e talafeagai foi mo fesoʻotaʻiga OEM e manaʻomia ai faʻamatalaga fetaui. Ma le mea mulimuli, o loʻo maua foʻi le OEM ma le ODM.