Menene tsarin gani na DWDM?

Ana iya amfani da fasahar Multiplexing na Rarraba Wavelength (DWDM) a fannoni daban-daban na hanyoyin sadarwa, ciki har da hanyoyin sadarwa na dogon zango, hanyoyin sadarwa na birni (MAN), hanyoyin sadarwa na samun damar zama, da hanyoyin sadarwa na gida (LAN).

A cikin waɗannan aikace-aikacen, musamman MANs, ana shigar da ƙananan na'urori masu haɗawa da siffofi (SFP) da sauran nau'ikan na'urori masu haɗawa da siffofi masu yawa a cikin abubuwan da ke da yawan yawa. Wannan shine dalilin da ya sa mutane ke fatan samun na'urorin watsa haske na DWDM sosai. Wannan koyaswar za ta gaya muku game da taƙaitaccen bayanin na'urorin watsa haske na DWDM, kuma za ta gabatar muku da mafita na na'urorin watsa haske na DWDM na Beiyi Fibercom (WWW.F-TONE.COM).

Menene tsarin gani na DWDM?

Kamar yadda sunansa ya nuna, na'urar hangen nesa ta DWDM wani na'urar hangen nesa ce da ke haɗa fasahar DWDM. Na'urar hangen nesa ta DWDM tana amfani da tsawon tsayi daban-daban don haɗa siginar hangen nesa da yawa cikin zare ɗaya, kuma wannan aikin ba ya cinye kowace wuta. An tsara waɗannan na'urorin hangen nesa don watsawa mai ƙarfi, mai nisa, saurin zai iya kaiwa 10GBPS, kuma nisan aiki zai iya kaiwa 120KM. A lokaci guda, an tsara na'urar hangen nesa ta DWDM bisa ga ƙa'idar Yarjejeniyar Multilateral (MSA) don tabbatar da dacewa da kayan aikin cibiyar sadarwa iri-iri. Na'urorin hangen nesa na DWDM 10G suna tallafawa ESCON, ATM, Fiber Channel da 10 Gigabit Ethernet (10GBE) akan kowace tashar jiragen ruwa. Na'urorin hangen nesa na DWDM da ke kasuwa galibi sun haɗa da: DWDM SFP, DWDM SFP+, DWDM XFP, DWDM X2 da DWDM XENPAK na'urorin hangen nesa, da sauransu.

Aiki da ƙa'idar aiki na DWDM na'urar gani

Aikin asali da ƙa'idar aiki na tsarin gani na DWDM iri ɗaya ne da sauran na'urorin gani, waɗanda ke canza siginar lantarki zuwa siginar gani, sannan su mayar da siginar gani zuwa siginar lantarki. Duk da haka, tsarin gani na DWDM an tsara shi ne don aikace-aikacen DWDM, kuma ya kamata a ambata cewa yana da halaye da ayyukansa. Idan aka kwatanta da tsarin gani na raƙumin raƙuman ruwa mai kauri (CWDM), tsarin gani na DWDM an tsara shi ne don zare mai yanayi ɗaya, kuma kamar yadda ITU-T ta ƙayyade a sarari, yana cikin kewayon DWDM na 1528.38 zuwa 1563.86NM (tashar 17 zuwa tashar 61). yana aiki tsakanin tsawon rai. Ana amfani da shi don tura kayan aikin cibiyar sadarwa ta DWDM na hanyar shiga birane da cibiyar sadarwa ta tsakiya. Ya zo tare da haɗin SFP 20-pin don aikin da za a iya musanyawa mai zafi. Sashen watsawa yana amfani da laser DFB mai yawa na DWDM, wanda shine laser mai jituwa da Class 1 bisa ga ƙa'idar aminci ta duniya IEC-60825. Bugu da ƙari, na'urorin gani na DWDM daga masu samar da kayayyaki da yawa sun bi ƙa'idar SFF-8472 MSA. Sabbin sabbin abubuwa a cikin tsarin watsawa na DWDM sun haɗa da na'urorin gani masu iya haɗawa da kuma waɗanda za su iya aiki a tashoshi 40 ko 80. Wannan nasarar ta rage buƙatar na'urori masu haɗawa daban-daban lokacin da cikakken kewayon raƙuman ruwa za a iya sarrafa su kawai tare da wasu na'urori masu haɗawa a nan da can.

Rarraba na'urorin gani na DWDM

Yawanci, idan muka koma ga kayan aikin DWDM, muna nufin kayan aikin Gigabit ko 10 Gigabit DWDM. Dangane da nau'ikan marufi daban-daban, ana iya raba kayan aikin DWDM zuwa nau'ikan guda biyar. Su ne: DWDM SFP, DWDM SFP+, DWDM XFP, DWDM X2, da kuma kayan aikin DWDM XENPAK.

DWDM SFPs

Na'urar hangen nesa ta DWDM SFP tana ba da hanyar haɗi mai sauri mai sauri tare da saurin watsa sigina na 100 MBPS zuwa 2.5 GBPS. Na'urar hangen nesa ta DWDM SFP ta cika buƙatun ƙa'idodin IEEE802.3 Gigabit Ethernet da ƙayyadaddun Tashar Fiber ANSI, kuma ya dace da haɗin kai a cikin yanayin Gigabit Ethernet da Fiber Channel.

DWDM SFP+

An tsara na'urorin gani na DWDM SFP+ musamman don masu aiki da manyan kamfanoni waɗanda ke buƙatar multiplexing, watsawa da kariya a cikin ma'auni-zuwa-ma'ana, ƙara-drop multiplexing, zobe, raga da tauraro hanyoyin sadarwa bayanai masu sauri, ajiya, murya da bidiyo, ta amfani da tsarin da ke da sassauƙa, sassauƙa, da kuma farashi mai rahusa. DWDM yana bawa masu samar da sabis damar biyan buƙatun adadi mai yawa na ayyukan da aka haɗa don kowane yarjejeniya ta subrate ba tare da shigar da ƙarin fiber mai duhu ba. Saboda haka, na'urar gani ta DWDM SFP+ ita ce mafi kyawun zaɓi don mafi girman aikace-aikacen bandwidth na 10 Gigabit.

DWDM XFP

Na'urar watsa haske ta DWDM XFP ta yi daidai da ƙa'idodin XFP MSA na yanzu. Tana goyon bayan aikace-aikacen SONET/SDH, 10 Gigabit Ethernet da 10 Gigabit Fiber Channel.

DWDM X2

Module ɗin gani na DWDM X2 wani tsari ne mai matuƙar aiki don aika bayanai ta hanyar amfani da na'urar sadarwa ta Gigabit mai sauri da sauri. Wannan tsarin yana da cikakken dacewa da ƙa'idar Ethernet IEEE 802.3AE kuma ya dace da aikace-aikacen sadarwa ta bayanai ta Gigabit Ethernet guda 10 (rack-to-rack, client interconnect). Wannan tsarin watsa bayanai ya ƙunshi waɗannan abubuwan: mai watsawa tare da laser mai sanyi na DWDM EML, mai karɓar hotodiode na nau'in PIN, hanyar haɗin XAUI, mai haɗa encoder/decoder da na'urar multiplexer/demultiplexer.

DWDM XENPAK

DWDM XENPAK na'urar hangen nesa ita ce na'urar hangen nesa ta Gigabit Ethernet ta farko wacce ke tallafawa DWDM. DWDM wata fasaha ce ta watsa haske wadda ke watsawa ta hanyoyi da yawa akan fiber iri ɗaya. Tare da taimakon amplifier na gani EDFA, na'urar hangen nesa ta DWDM XENPAK za ta iya tallafawa watsa bayanai ta tashoshi 32 tare da nisan har zuwa 200KM. Ana aiwatar da tsarin Ethernet na Gigabit 10 bisa fasahar DWDM ba tare da buƙatar na'urar waje ta musamman ba - na'urar watsa haske ta gani (don canza tsawon daga (misali: 1310NM) zuwa tsawon DWDM) -.

Amfani da na'urar gani ta DWDM

Ana amfani da na'urorin gani na DWDM a tsarin DWDM. Duk da cewa farashin na'urorin gani na DWDM ya fi na na'urorin gani na CWDM girma, ana amfani da DWDM sosai a cikin MAN ko LAN dangane da ƙaruwar buƙatu. Nau'ikan marufi na na'urorin gani na DWDM daban-daban suna da aikace-aikace daban-daban. Ana iya amfani da DWDM SFP a cikin hanyar sadarwa ta DWDM mai ƙarfi, Tashar Fiber, tsarin hanyar sadarwa na zobe na OADM mai gyarawa da sake saitawa, Fast Ethernet, Gigabit Ethernet da sauran tsarin watsawa na gani. DWDM SFP+ ya dace da ma'aunin 10GBASE-ZR/ZW kuma ana iya amfani da shi don kebul na gani na 10G. Ana amfani da DWDM XFP yawanci inda ya dace da ƙa'idodi da yawa waɗanda suka haɗa da: 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 da ITU-T G.709 ƙa'idodi. Ana amfani da wasu nau'ikan kamar DWDM X2 da DWDM XENPAK don irin waɗannan dalilai. Bugu da ƙari, ana iya amfani da waɗannan na'urorin gani na DWDM don hanyoyin canzawa-zuwa-masu sauyawa, aikace-aikacen sauya baya, da hanyoyin sadarwa na na'ura mai ba da hanya tsakanin hanyoyin sadarwa/sabar, da sauransu.

HUANET tana samar da cikakken nau'ikan samfura don tsarin DWDM. Sashenmu na R&D da ƙungiyar fasaha, ta hanyar fasahar zamani da ƙarfin ƙirƙira mai ƙarfi, sun samar da mafi kyawun kayan gani a cikin ajin su don tsarin DWDM. Layin samfurin transceiver na gani na DWDM yana ɗaya daga cikin layukan samfuranmu mafi sayarwa. Muna ba da kayayyaki na gani na DWDM tare da nau'ikan fakiti daban-daban, nisan watsawa daban-daban da ƙimar watsawa daban-daban. Bugu da ƙari, kayayyaki na gani na DWDM na HUANET sun dace da wasu samfuran, kamar CISCO, FINISAR, HP, JDSU, da sauransu, kuma sun dace da hanyoyin sadarwa na OEM waɗanda ke buƙatar ƙayyadaddun bayanai na jituwa. A ƙarshe, duka OEM da ODM suma suna samuwa.