Mojule oa optical oa DWDM ke eng?

Theknoloji ea Dense Wavelength Division Multiplexing (DWDM) e ka sebelisoa libakeng tse fapaneng tsa marangrang a puisano, ho kenyeletsoa marangrang a mokokotlo oa sebaka se selelele, marangrang a sebaka sa litoropo tse kholo (MAN), marangrang a phihlello ea bolulo, le marangrang a sebaka sa lehae (LAN).

Litšebelisong tsena, haholo-holo MAN, li-module tse nyane tse ka kenngoang ka mokhoa oa foromo (SFP) le mefuta e meng ea li-module tsa optical hangata li kenngoa linthong tse nang le foromo e phahameng. Ke ka lebaka lena batho ba labalabelang li-transceivers tsa optical tsa DWDM haholo. Thupelo ena e tla u bolella ka kakaretso ea li-module tsa optical tsa DWDM, 'me e u tsebise litharollo tsa li-module tsa optical tsa Beiyi Fibercom (WWW.F-TONE.COM).

Mojule oa optical oa DWDM ke eng?

Jwalo ka ha lebitso la yona le re bolella, mojule wa optical wa DWDM ke mojule wa optical o kopanyang theknoloji ya DWDM. Mojule wa optical wa DWDM o sebedisa maqhubu a fapaneng ho kopanya matshwao a mangata a optical ho ba faeba e le nngwe ya optical, mme tshebetso ena ha e je matla afe kapa afe. ​​Dimojule tsena tsa optical di etseditswe phetiso ya bokgoni bo hodimo, sebaka se selelele, sekgahla se ka fihla ho 10GBPS, mme sebaka sa ho sebetsa se ka fihla ho 120KM. Ka nako e ts'oanang, mojule wa optical wa DWDM o entswe ho ya ka maemo a Multilateral Agreement (MSA) ho netefatsa hore ho na le mefuta e mengata ya ho tsamaisana ha disebediswa tsa marangrang. Dimojule tsa optical tsa 10G DWDM di tshehetsa ESCON, ATM, Fiber Channel le 10 Gigabit Ethernet (10GBE) koung ka nngwe. Dimojule tsa optical tsa DWDM tse mmarakeng hangata di kenyeletsa: DWDM SFP, DWDM SFP+, DWDM XFP, DWDM X2 le DWDM XENPAK dimojule tsa optical, jj.

Mosebetsi le molao-motheo oa ts'ebetso oa module ea optical ea DWDM

Mosebetsi oa motheo le molao-motheo oa ts'ebetso oa mojule oa optical oa DWDM li tšoana le li-module tse ling tsa optical, tse fetolelang matšoao a motlakase hore e be matšoao a optical, ebe li fetola matšoao a optical hore e be matšoao a motlakase. Leha ho le joalo, mojule oa optical oa DWDM o etselitsoe lits'ebetso tsa DWDM, 'me hoa bohlokoa ho bolela hore o na le litšobotsi le mesebetsi ea oona. Ha ho bapisoa le mojule oa optical oa coarse wavelength division multiplexing (CWDM), mojule oa optical oa DWDM o etselitsoe faeba ea mokhoa o le mong, 'me joalo ka ha ho hlalositsoe ka ho hlaka ke ITU-T, o hole le DWDM nominal range ho tloha ho 1528.38 ho isa ho 1563.86NM (kanale ea 17 ho isa kanale ea 61). o sebetsa lipakeng tsa bolelele ba maqhubu. E sebelisoa ho kenya lisebelisoa tsa marang-rang a DWDM tsa phihlello ea litoropo le marang-rang a mantlha. E tla le sehokelo sa SFP sa 20-pin bakeng sa ts'ebetso e ka fetoloang ka ho chesa. Karolo ea eona ea transmitter e sebelisa laser ea DWDM multiple quantum well DFB, e leng laser e lumellanang le Sehlopha sa 1 ho latela maemo a machaba a polokeho a IEC-60825. Ho phaella moo, di-module tsa optical tsa DWDM tse tswang ho bafepedi ba bangata di latela maemo a SFF-8472 MSA. Dintho tse ntjha tsa moraorao tsamaisong ya phetiso ya DWDM di kenyeletsa di-module tsa optical tse ka pluggable, tse ka fetolwang tse kgonang ho sebetsa dikanaleng tse 40 kapa tse 80. Katleho ena e fokotsa haholo tlhoko ya di-module tse arohaneng tse ka pluggable ha mefuta yohle ya maqhubu a maqhubu e ka fetolwa feela ka disebediswa tse mmalwa tse ka pluggable mona le mane.

Tlhophiso ea li-module tsa optical tsa DWDM

Hangata, ha re bua ka di-module tsa optical tsa DWDM, re bua ka di-module tsa optical tsa Gigabit kapa 10 Gigabit DWDM. Ho ya ka mefuta e fapaneng ya diphutheloana, di-module tsa optical tsa DWDM di ka arolwa haholoholo ka mefuta e mehlano. Ke: di-module tsa optical tsa DWDM SFP, DWDM SFP+, DWDM XFP, DWDM X2, le DWDM XENPAK.

Li-SFP tsa DWDM

Mojule wa optical wa DWDM SFP o fana ka kgokelo ya serial ya lebelo le phahameng ka sekgahla sa phetiso ya letshwao sa 100 MBPS ho isa ho 2.5 GBPS. Mojule wa optical wa DWDM SFP o latela ditlhoko tsa maemo a IEEE802.3 Gigabit Ethernet le tlhaloso ya ANSI Fiber Channel, mme o loketse ho hokahanngwa ditikolohong tsa Gigabit Ethernet le Fiber Channel.

DWDM SFP+

Di-module tsa optical tsa DWDM SFP+ di etseditswe ka ho kgetheha bakeng sa basebetsi le dikgwebo tse kgolo tse hlokang ho kopanngwa ha di-multiplex, phetiso le tshireletso ho point-to-point, add-drop multiplexing, ring, letlooeng le dinaledi tsa marangrang Di-topologies tsa data, polokelo, lentswe le video tse potlakileng haholo, tse sebedisang sistimi e ka holang, e tenyetsehang, e theko e tlase. DWDM e nolofalletsa bafani ba ditshebeletso ho fihlela ditlhoko tsa palo e kgolo ya ditshebeletso tse kopantsweng bakeng sa protocol efe kapa efe ya subrate ntle le ho kenya faeba e eketsehileng e lefifi. Ka hona, mojule wa optical wa DWDM SFP+ ke kgetho e ntle ka ho fetisisa bakeng sa tshebediso e phahameng ka ho fetisisa ya bandwidth ya 10 Gigabit.

DWDM XFP

Transceiver ea optical ea DWDM XFP e latela litlhaloso tsa hona joale tsa XFP MSA. E tšehetsa lits'ebetso tsa SONET/SDH, 10 Gigabit Ethernet le 10 Gigabit Fiber Channel.

DWDM X2

Mojule oa optical oa DWDM X2 ke mojule oa transceiver oa optical o sebetsang hantle haholo bakeng sa lits'ebetso tsa phetisetso ea data ea Gigabit tse 10 tse potlakileng haholo. Mojule ona o lumellana ka botlalo le maemo a Ethernet IEEE 802.3AE 'me o loketse lits'ebetso tsa puisano ea data ea Gigabit Ethernet tse 10 (rack-to-rack, client interconnect). Mojule ona oa transceiver o na le likarolo tse latelang: transmitter e nang le laser e pholileng ea DWDM EML, receiver e nang le photodiode ea mofuta oa PIN, sebopeho sa khokahano sa XAUI, encoder/decoder e kopantsoeng le sesebelisoa sa multiplexer/demultiplexer.

DWDM XENPAK

Mojule oa optical oa DWDM XENPAK ke mojule oa pele oa optical oa 10 Gigabit Ethernet o tšehetsang DWDM. DWDM ke theknoloji ea phetiso ea optical e fetisang ka likanale tse ngata holim'a faeba e tšoanang ea optical. Ka thuso ea amplifier ea optical EDFA, mojule oa optical oa DWDM XENPAK o ka tšehetsa phetiso ea data ea likanale tse 32 ka sebaka se fihlang ho 200KM. Sistimi ea 10 Gigabit Ethernet e thehiloeng theknolojing ea DWDM e phethahala ntle le tlhoko ea sesebelisoa se inehetseng sa kantle - transceiver ea optical (ho fetola bolelele ba wavelength ho tloha (mohlala: 1310NM) ho ea bolelele ba wavelength ba DWDM) -.

Tšebeliso ea module ea optical ea DWDM

Hangata di-module tsa optical tsa DWDM di sebediswa ditsamaisong tsa DWDM. Le hoja ditjeo tsa di-module tsa optical tsa DWDM di le hodimo ho feta tsa di-module tsa optical tsa CWDM, DWDM e sebediswa haholo ho MAN kapa LAN mabapi le ditlhoko tse ntseng di eketseha. Mefuta e fapaneng ya dipakete tsa di-module tsa optical tsa DWDM e na le ditshebediso tse fapaneng. DWDM SFP e ka sebediswa ho netweke ya DWDM e atolositsweng, Fiber Channel, topology ya netweke ya lesale ya OADM e tsitsitseng le e ka hlophiswang botjha, Fast Ethernet, Gigabit Ethernet le ditsamaiso tse ding tsa phetiso ya optical. DWDM SFP+ e dumellana le maemo a 10GBASE-ZR/ZW mme e ka sebediswa bakeng sa di-cable tsa optical tsa 10G. Hangata DWDM XFP e sebediswa moo e dumellanang le maemo a mangata ho kenyeletswa: 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 le maemo a ITU-T G.709. Mefuta e meng e kang DWDM X2 le DWDM XENPAK e sebedisetswa merero e tshwanang. Ho phaella moo, di-module tsena tsa optical tsa DWDM di ka boela tsa sebediswa bakeng sa di-interface tsa switch-to-switch, di-application tsa switching backplane, le di-interface tsa router/server, jj.

HUANET e fana ka mefuta e felletseng ea lihlahisoa bakeng sa litsamaiso tsa DWDM. Lefapha la rona la R&D le sehlopha sa botekgeniki, ka theknoloji e tsoetseng pele le bokhoni bo matla ba boqapi, li hlahisitse likarolo tse ntle ka ho fetisisa tsa optical sehlopheng sa tsona bakeng sa litsamaiso tsa DWDM. Mohala oa sehlahisoa sa transceiver ea optical ea DWDM ke o mong oa mela ea rona ea lihlahisoa tse rekisoang haholo. Re fana ka li-module tsa optical tsa DWDM tse nang le mefuta e fapaneng ea liphutheloana, libaka tse fapaneng tsa phetisetso le sekhahla se fapaneng sa phetisetso. Ho phaella moo, li-module tsa optical tsa HUANET tsa DWDM lia lumellana le lihlahisoa tse ling, tse kang CISCO, FINISAR, HP, JDSU, jj., 'me li boetse li loketse marang-rang a OEM a hlokang litlhaloso tsa ho lumellana. Qetellong, OEM le ODM ka bobeli lia fumaneha.