Qhov txheej txheem ntawm cov txheej txheem ntawm gon bosa hauv onu?
Onu yog ib qho cuab yeej tseem ceeb hauv fiber ntau rau lub tsev (FTH) thiab lwm cov tes hauj lwm tau siv los hloov thiab txais cov cim kho qhov muag. Nyob rau hauv kev taw qhia downlink, nws tau txais lub teeb liab kho qhov muag los ntawm cov cim hluav taws xob, yog li ntawd rau cov neeg siv hluav taws xob ntxiv, thiab cov ntaub ntawv ntawm cov khoom siv hluav taws xob ntxiv, thiab cov ntaub ntawv hauv hluav taws xob hloov kho tshiab rau olt mus upload cov neeg siv cov ntaub ntawv.
Siv wavelength kev cais tawm, Bosa ntau yam Uplink (cov neeg siv xa) thiab downlink (tus neeg siv tau txais) lossis waverength (gon-fiber ntau-fiber bidirectional (BIDI) cov txheej txheem. Nws cov ntsiab lus tseem ceeb ua ke ib lub teeb pom kev (TOSA) thiab lub teeb ntes WDM los ntawm kev ua haujlwm sib txawv ntawm WDM los ntawm lub teeb sib txawv ntawm WDM
