Optical access network yog qhov sib txuas siv network uas siv lub teeb ua lub xa hluav taws xob nruab nrab, tsis siv cov xaim tooj liab, siv los txuas rau txhua tsev neeg. Optical access network yog tsim ntawm OLT, ONU thiab ODN; OLT thiab ONU yog qhov khoom siv kho qhov muag Cov txheej txheem tseem ceeb ntawm lub network.
OLT yog cov khoom tseem ceeb ntawm cov khoos phis tawm kho qhov muag, sib npaug rau lub hloov xa los yog router hauv kev sib txuas lus kev sib txuas lus ib txwm, thiab tseem yog ntau qhov kev pabcuam uas muaj lub platform. Nws feem ntau tso rau hauv nruab nrab hauv chaw haujlwm kom muab cov neeg siv taw qhia kev siv cov khoos phis tawj fiber ntau rau lub teeb tsa fiber ntau optical network. Nws lub ntsiab muaj nuj nqi yog txuas cov txheej txheej sab saud kom ua tiav kev nkag los ntawm PON network. Txuas tus neeg siv khoom ntaus ONU los ntawm ODN network. Ua kom tiav cov haujlwm xws li kev tswj hwm, kev tswj hwm thiab qib ntawm ONU ntawm cov neeg siv khoom siv kawg.
