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Ni irihe tandukaniro riri hagati ya CWDM na DWDM Optical Transceiver?

2024-06-19

CWDM (Coarse Wavelength Division Multiplexing) na DWDM (Dense Wavelength Division Multiplexing) byombi ni ikoranabuhanga rikoreshwa mu miyoboro y'urumuri kugira ngo ryongere ubushobozi bw'imiyoboro ya fiber optique binyuze mu gutuma imiyoboro myinshi (ibimenyetso) yoherezwa icyarimwe hejuru y'urumuri rumwe ariko ku bunini butandukanye bw'urumuri. Dore itandukaniro ry'ingenzi riri hagati ya CWDM na DWDM optique transceivers:

 

Ni irihe tandukaniro riri hagati ya CWDM na DWDM Optical Transceiver.jpg

 

Intera y'uburebure bw'umuraba:

CWDM: Imiyoboro ishyirwa hagati ya nanometero 20 (nm). Ubusanzwe, CWDM ikoresha uburebure bw'umuraba kuva kuri 1270 nm kugeza kuri 1610 nm, hamwe n'imiyoboro 18 muri rusange.
DWDM: Imiyoboro ishyirwa hamwe cyane, ubusanzwe 0.8 nm (100 GHz grid) cyangwa 0.4 nm (50 GHz grid). Ibi bituma sisitemu za DWDM zishyigikira imiyoboro myinshi iri mu rugero rumwe rwa spectral.

Umubare w'imiyoboro:

CWDM: Ishyigikira umubare muto w'imiyoboro, akenshi imiyoboro igera kuri 18.
DWDM: Ishyigikira umubare munini w'imiyoboro, ishobora kugera kuri 80 cyangwa irenga muri C-band (1530-1565 nm) cyangwa irenga hamwe na C-band yagutse na L-band.

Intera yo kohereza ubutumwa:

CWDM: Ubusanzwe ikoreshwa mu ntera ngufi, kugeza kuri kilometero 80 nta kongera ingufu, ndetse kugeza kuri kilometero 120 hamwe no kongera ingufu mu buryo bw'izuba.
DWDM: Yagenewe intera ndende, kuva kuri kilometero 100 kugeza kuri kilometero 4000 cyangwa zirenga bitewe n'ubwoko bw'uburyo bwo kongera imbaraga no gukwirakwiza ingufu hakoreshejwe.

Guhagarara kw'umuyoboro:

CWDM: Imiyoboro ishyirwa ahantu henshi, bigatuma idahura n’ibibazo byinshi ariko kandi ikagabanya umubare w’imiyoboro iboneka.
DWDM: Imiyoboro irapfunyitse cyane, ibi bikaba bisaba kugenzura neza uburebure bw'umuraba n'ibice by'ubuziranenge kugira ngo hirindwe ko imiyoboro yegeranye yangirika.

Ikiguzi:

CWDM: Muri rusange ihendutse kurusha DWDM bitewe n'imiterere yoroshye ya transceiver n'imiyoboro mike.
DWDM: Igiciro cy'ibanze kiri hejuru bitewe n'imiterere igoye cyane ya transceiver ndetse no gukenera ibice by'urumuri bisobanutse neza hamwe n'uburyo bwo kubungabunga.

Guhindura imiterere:

CWDM: Byoroshye kuyishyira mu miyoboro mito cyangwa iciriritse aho hakenewe uburebure bw'umuraba buke, kandi aho ikiguzi gishobora kuba ikibazo.
DWDM: Itanga ubushobozi bwo kwaguka no gukoresha neza, bigatuma ikoreshwa neza mu miyoboro minini no mu kohereza amakuru kure aho gukoresha neza umuyoboro wa fibre ari ingenzi cyane.


Muri make, guhitamo hagati ya CWDM na DWDM optique transceivers biterwa n'ibintu nk'ubushobozi bukenewe, intera yo kohereza amakuru, ikiguzi, n'ibikenewe byihariye by'ibikorwa remezo by'umuyoboro. CWDM yoroshye kandi ihendutse ku ntera ngufi n'imiyoboro mito, mu gihe DWDM itanga ubushobozi bwo hejuru, kugera kure, no kwaguka ku bikorwa binini kandi bigoye.

Twandikire, ubone ibicuruzwa byiza na serivisi nziza.

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