Kedu ihe bụ modulu optical DWDM?

Enwere ike iji teknụzụ Dense Wavelength Division Multiplexing (DWDM) mee ihe n'akụkụ dị iche iche nke netwọk nkwukọrịta, gụnyere netwọk azụ dị anya, netwọk mpaghara obodo ukwu (MAN), netwọk ohere obibi, na netwọk mpaghara mpaghara (LAN).

N'ime ngwa ndị a, ọkachasị MAN, a na-etinye obere modulu optical (SFP) na ụdị modulu optical ndị ọzọ na ihe ndị nwere oke njupụta. Ọ bụ ya mere ndị mmadụ ji atụ anya transceivers optical DWDM nke ukwuu. Nkuzi a ga-agwa gị gbasara nkọwa nke modulu optical DWDM, ma mee ka ị mata ngwọta modulu optical Beiyi Fibercom (WWW.F-TONE.COM).

Kedu ihe bụ modulu optical DWDM?

Dịka aha ya si kwuo, modulu optical DWDM bụ modulu optical nke na-ejikọta teknụzụ DWDM. Modulu optical DWDM na-eji ogologo ebili dị iche iche iji mee ka ọtụtụ akara optical dị ọtụtụ n'ime otu eriri optical, ọrụ a anaghịkwa eri ike ọ bụla. Emebere modulu optical ndị a maka nnyefe ikike dị elu, ogologo oge, ọnụego nwere ike iru 10GBPS, ebe ọrụ nwere ike iru 120KM. N'otu oge ahụ, emebere modulu optical DWDM dịka ọkọlọtọ Nkwekọrịta Multilateral (MSA) si dị iji hụ na enwere ọtụtụ ndakọrịta akụrụngwa netwọk. Modulu optical 10G DWDM na-akwado ESCON, ATM, Fiber Channel na 10 Gigabit Ethernet (10GBE) na ọdụ ụgbọ mmiri ọ bụla. Modulu optical DWDM dị n'ahịa na-agụnyekarị: DWDM SFP, DWDM SFP+, DWDM XFP, DWDM X2 na DWDM XENPAK modulu optical, wdg.

Ọrụ na ụkpụrụ ọrụ nke DWDM optical module

Ọrụ bụ isi na ụkpụrụ ọrụ nke modulu optical DWDM bụ otu ihe ahụ dị ka modulu optical ndị ọzọ, nke na-agbanwe akara eletriki ka ọ bụrụ akara optical, wee gbanwee akara optical ka ọ bụrụ akara eletriki. Agbanyeghị, e mepụtara modulu optical DWDM maka ngwa DWDM, ọ dịkwa mkpa ikwu na o nwere njirimara na ọrụ nke ya. Ma e jiri ya tụnyere modulu optical coarse wavelength division multiplexing (CWDM), e mepụtara modulu optical DWDM maka eriri otu ụdị, dịka ITU-T si kọwaa nke ọma, ọ dị na oke aha DWDM nke 1528.38 ruo 1563.86NM (ọwa 17 ruo ọwa 61). na-arụ ọrụ n'etiti ogologo ebili mmiri. A na-eji ya etinye na ngwa netwọk DWDM nke ohere obodo na netwọk isi. Ọ na-abịa na njikọ SFP 20-pin maka ọrụ a na-agbanwe ọkụ. Ngalaba nnyefe ya na-eji laser DFB multiple DWDM, nke bụ laser kwekọrọ na Klas 1 dịka ọkọlọtọ nchekwa mba ụwa IEC-60825 si dị. Na mgbakwunye, modulu optical DWDM sitere n'aka ọtụtụ ndị na-ebubata ya na-agbaso ọkọlọtọ SFF-8472 MSA. Ihe ọhụrụ kachasị ọhụrụ na sistemụ nnyefe DWDM gụnyere modulu optical a na-agbanwe agbanwe nke nwere ike ịrụ ọrụ na ọwa 40 ma ọ bụ 80. Mmezu a na-ebelata mkpa maka modulu ndị a na-agbanwe agbanwe mgbe enwere ike iji naanị ngwaọrụ ole na ole a na-agbanwe agbanwe ebe a na ebe ahụ jikwaa oke ebili mmiri zuru oke.

Nhazi nke modulu ngwa anya DWDM

Ọtụtụ mgbe, mgbe anyị na-ezo aka na modulu optical DWDM, anyị na-ezo aka na modulu optical Gigabit ma ọ bụ 10 Gigabit DWDM. Dịka ụdị nkwakọ ngwaahịa dị iche iche si dị, enwere ike kewaa modulu optical DWDM n'ụdị ise. Ha bụ: DWDM SFP, DWDM SFP+, DWDM XFP, DWDM X2, na DWDM XENPAK modulu optical.

SFP DWDM

Modulu anya DWDM SFP na-enye njikọ usoro ọsọ ọsọ yana ọnụego nnyefe mgbaàmà nke 100 MBPS ruo 2.5 GBPS. Modulu anya DWDM SFP na-agbaso ihe achọrọ nke ọkọlọtọ IEEE802.3 Gigabit Ethernet na nkọwapụta ANSI Fiber Channel, ọ dịkwa mma maka njikọ na gburugburu Gigabit Ethernet na Fiber Channel.

DWDM SFP+

E mepụtara modulu optical DWDM SFP+ pụrụ iche maka ndị ọrụ na nnukwu ụlọ ọrụ ndị chọrọ multiplexing, transmission na protection na isi-ruo-isi, add-drop multiplexing, ring, mesh na star network topologies Data ọsọ ọsọ, nchekwa, olu na vidiyo, site na iji sistemụ nwere ike ịgbasa, mgbanwe, na ọnụ ahịa dị oke ọnụ. DWDM na-enye ndị na-enye ọrụ ohere imezu ihe achọrọ nke ọtụtụ ọrụ achịkọtara maka usoro subrate ọ bụla na-enweghị itinye eriri gbara ọchịchịrị ọzọ. Ya mere, modulu optical DWDM SFP+ bụ ​​nhọrọ kacha mma maka ngwa bandwidth kachasị elu nke 10 Gigabit.

DWDM XFP

Ihe ntụgharị anya DWDM XFP kwekọrọ na nkọwapụta XFP MSA dị ugbu a. Ọ na-akwado ngwa SONET/SDH, 10 Gigabit Ethernet na 10 Gigabit Fiber Channel.

DWDM X2

Modulu optical DWDM X2 bụ modulu transceiver optical dị elu nke nwere arụmọrụ dị elu maka ngwa nnyefe data Gigabit dị elu, nke nwere ọsọ ọsọ, nke nwere ike ibuga data Gigabit iri. Modulu a dabara nke ọma na ọkọlọtọ Ethernet IEEE 802.3AE ma dịkwa mma maka ngwa nkwukọrịta data Gigabit Ethernet iri (rack-to-rack, client interconnect). Modulu transceiver a nwere ihe ndị a: transmitter nwere DWDM EML cooled laser, receiver nwere ụdị PIN photodiode, XAUI connection interface, integrated encoder/decoder device na multiplexer/demultiplexer device.

DWDM XENPAK

DWDM XENPAK optical modulu bụ modulu optical Ethernet 10 Gigabit mbụ nke na-akwado DWDM. DWDM bụ teknụzụ nnyefe optical nke na-ebuga site na ọtụtụ ọwa na otu eriri optical. Site n'enyemaka nke EDFA amplifier optical, modulu optical DWDM XENPAK nwere ike ịkwado nnyefe data ọwa 32 na anya nke ruru 200KM. A na-emezu sistemụ Ethernet 10 Gigabit dabere na teknụzụ DWDM na-enweghị mkpa maka ngwaọrụ mpụga raara onwe ya nye - transceiver optical (iji gbanwee ebili mmiri site na (dịka ọmụmaatụ: 1310NM) gaa na ebili mmiri DWDM) -.

Ojiji nke modulu optical DWDM

A na-ejikarị modulu anya DWDM eme ihe na sistemụ DWDM. Ọ bụ ezie na ọnụ ahịa modulu anya DWDM dị elu karịa nke modulu anya CWDM, a na-ejikarị DWDM eme ihe na MAN ma ọ bụ LAN n'ihe gbasara mmụba ihe achọrọ. Ụdị nkwakọ ngwaahịa modulu anya DWDM dị iche iche nwere ngwa dị iche iche. Enwere ike iji DWDM SFP na netwọk DWDM agbakwunyere, Fiber Channel, topology netwọk mgbanaka nke OADM edoziri na nke a na-agbanwe agbanwe, Ethernet ngwa ngwa, Gigabit Ethernet na sistemụ nnyefe anya ndị ọzọ. DWDM SFP+ kwekọrọ na ọkọlọtọ 10GBASE-ZR/ZW ma enwere ike iji ya maka eriri anya 10G. A na-ejikarị DWDM XFP eme ihe ebe ọ na-agbaso ọtụtụ ọkọlọtọ gụnyere: 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 na ọkọlọtọ ITU-T G.709. A na-eji ụdị ndị ọzọ dịka DWDM X2 na DWDM XENPAK eme ihe ndị yiri ya. Na mgbakwunye, enwere ike iji modulu optical DWDM ndị a maka njikọta switch-to-switch, ngwa backplane switching, na njikọ router/sava, wdg.

HUANET na-enye ọtụtụ ngwaahịa maka sistemụ DWDM. Ngalaba R&D na ndị otu teknụzụ anyị, site na teknụzụ dị elu na ikike ọhụrụ siri ike, emepụtala akụkụ anya kacha mma na klaasị ha maka sistemụ DWDM. Ahịrị ngwaahịa transceiver optical DWDM bụ otu n'ime ahịrị ngwaahịa anyị kacha ere. Anyị na-enye modulu anya DWDM ụdị ngwugwu dị iche iche, anya nnyefe dị iche iche na ọnụego nnyefe dị iche iche. Na mgbakwunye, modulu anya DWDM nke HUANET dakọtara na ụdị ndị ọzọ, dịka CISCO, FINISAR, HP, JDSU, wdg, ha dịkwa mma maka netwọk OEM nke chọrọ nkọwapụta ndakọrịta. N'ikpeazụ, ma OEM na ODM dịkwa.