I-ONU (iYunithi yeNethiwekhi yokubona) iyunithi yenethiwekhi yokukhanya, i-ONU yahlulwe yaba yiyunithi yenethiwekhi esebenzayo kunye neyunithi yothungelwano olubonakalayo.Ngokubanzi, izixhobo ezixhotyiswe ngokujongwa kwenethiwekhi kubandakanya abamkeli be-optical, ii-optical transmitters ezinyukayo, kunye ne-amplifiers ezininzi zebhulorho zibizwa ngokuba yi-optical node...
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