Ko te whatunga urunga whatu he whatunga urunga e whakamahi ana i te mārama hei reo tuku, kaua ki ngā waea parahi, ā, e whakamahia ana hei uru atu ki ngā whare katoa. Whatunga urunga whatu. Ko te whatunga urunga whatu he mea hanga i ngā wāhanga e toru: te pito raina whatu OLT, te wae whatunga whatu ONU, te whatunga tohatoha whatu ODN, ā, ko OLT me ONU ngā wāhanga matua o te whatunga urunga whatu.
He aha te OLT?
Ko te ingoa katoa o OLT ko Optical Line Terminal, he pito waea whatu. Ko te OLT he pito waea whatu, he taputapu tari matua hoki mō ngā whakawhitiwhiti kōrero. Ka whakamahia hei hono i ngā raina matua muka whatu. He rite ki te pana, ki te pouara rānei i roto i te whatunga whakawhitiwhiti kōrero tuku iho. He taputapu kei te tomokanga o te whatunga o waho me te tomokanga o te whatunga o roto. Kei te tari matua, ko ngā mahi whakahaere nui ko te whakarite waka, te whakahaere parepare, me te whakarato i ngā atanga whatunga whatu kore mahi e aro ana ki te kaiwhakamahi me te tohatoha whānui. Ki te kī ngāwari, e rua ngā mahi hei whakatutuki. Mō te taha whakarunga, ka whakaoti i te urunga whakarunga o te whatunga PON; mō te taha whakararo, ka tukuna, ka tohatohahia ngā raraunga kua riro mai ki ngā taputapu pito waea kaiwhakamahi ONU katoa mā te whatunga ODN.
He aha te ONU?
Ko te ONU te Wāhanga Whatunga Whatu. E rua ngā mahi a te ONU: ka whiwhi tīpako i te pāhotanga i tukuna e te OLT, ā, ka whakautu ki te OLT mēnā me whiwhi ngā raraunga; ka kohikohi me te ārai i ngā raraunga Ethernet e hiahiatia ana e te kaiwhakamahi kia tukuna, ā, ka tukuna ki te OLT e ai ki te matapihi tuku kua tohua. Tukuna ngā raraunga kua keterokihia.
I roto i te whatunga FTTx, he rerekē anō hoki ngā tikanga whakauru ONU rerekē, pērā i te FTTC (Fiber To The Curb): ka whakanohoia te ONU ki te rūma rorohiko matua o te hapori; FTTB (Fiber To The Building): ka whakanohoia te ONU ki te ara raro FTTH (Fiber To The Home): ka whakanohoia te ONU ki te kaiwhakamahi kāinga.
He aha te ONT?
Ko te ONT te Whatunga Whatunga Whatu, te waeine tino mutunga o te FTTH, e mōhiotia whānuitia ana ko te "modem whatu", he rite ki te modem hiko o te xDSL. Ko te ONT he whatunga whatu, e whakamahia ana ki te kaiwhakamahi mutunga, ko te ONU ia e pā ana ki te waeine whatunga whatu, ā, tera pea he whatunga kē atu i waenganui i a ia me te kaiwhakamahi mutunga. He wāhanga nui te ONT o te ONU.
He aha te whanaungatanga i waenga i te ONU me te OLT?
Ko te OLT te pūwhakahaere, ā, ko te ONU te pūwhakahaere; ka tukuna te whakahohenga ratonga o te ONU mā te OLT, ā, kei roto rāua i te whanaungatanga rangatira-pononga. Ka taea te hono atu i ngā ONU maha ki te OLT kotahi mā te wehewehe.
He aha te ODN?
Ko te ODN he Whatunga Tohatoha Whatu, he whatunga tohatoha whatu, ko te hongere tuku whatu ā-tinana i waenga i te OLT me te ONU, ko te mahi matua ko te whakaoti i te tuku rua-ara o ngā tohu whatu, ko te nuinga mā roto i ngā taura muka whatu, ngā hononga whatu, ngā wehewehe whatu me te tāutanga hei hono i ēnei. Ko te wāhanga o ngā taputapu tautoko o te taputapu, ko te wāhanga tino nui ko te wehewehe whatu.
Wā tuku: Oketopa-15-2021