Cov khoom tseem ceeb ntawm PON system yog:
● Optical kab davhlau ya nyob twg (OLT) cov cuab yeej ntawm lub chaw ua haujlwm hauv nruab nrab
●ODN yog hais txog cov khoom siv kho qhov muag siv los txuas rau lub chaw ua haujlwm hauv nruab nrab OLT cov cuab yeej thiab cov khoom siv ONU tej thaj chaw deb. ODN tsuas yog muaj cov khoom siv tsis zoo lossis cov chaw ua haujlwm
● Optical network unit (ONU/ONT).
