(1) Umkhawulokudonsa ophezulu ongakaze ubonwe.Izinga le-GPON liphezulu njenge-2.5 Gbps, elingahlinzeka ngomkhawulokudonsa omkhulu owanele ukuhlangabezana nesidingo esikhulayo somkhawulokudonsa ophezulu kumanethiwekhi azayo, futhi izici zayo ze-asymmetric zingazivumelanisa kangcono nemakethe yesevisi yedatha ye-broadband.

(2) Ukufinyelela kwenkonzo ephelele okuqinisekiswe yi-QoS.I-GPON ingaphatha amaseli e-ATM kanye/noma amafreyimu e-GEM ngesikhathi esifanayo, futhi inekhono elihle lokuhlinzeka ngezinga lesevisi, ukusekela isiqinisekiso se-QoS kanye nokufinyelela kwesevisi okugcwele.Ubuchwepheshe be-ATM bokuthwala izinsiza eziningi ezifana nezwi, i-PDH, ne-Ethernet sebuvuthwe kakhulu;ubuchwepheshe bokusebenzisa i-GEM ukuphatha izinsiza ezihlukahlukene zabasebenzisi nabo sebuqashelwe ngazwi linye yiwo wonke umuntu, futhi sebuqale ukusetshenziswa kabanzi nokuthuthukiswa.

(3) Isekela ibhizinisi le-TDM kahle.Isevisi ye-TDM imakwe kuhlaka lwe-GEM.Njengoba ubude bohlaka lohlaka lwe-GPON TC buyi-125 μs, lungasekela ngokuqondile isevisi ye-TDM.I-TDM samasevisi angaphinda afakwe kumephu kumaseli e-ATM, futhi angahlinzeka ngokudluliswa kwesikhathi sangempela ngeziqinisekiso ze-QoS.