Ko ngā wāhanga o te kauae o runga, o raro hoki, e tohu ana i tētahi kōhao whiwhi hononga, he tīwiri hononga ā-ringa hei whakau i te topenga (me te taura) ki te mata whakamau.
Mā te āheinga ki te raka i te topenga ki te taura i mua i te whakamau i te taura ki te mata whakamau ka whakaitihia te wā e hiahiatia ana hei tāuta i te taura.
| Ingoa hua | Mahi | Rauemi | Whao | Mōkihi |
| Topenga Taura | Ngā taputapu FTTH | PP | 1, 2 rānei ngā whao | 20000/kātene |
Ko te topenga taura muka whatu he mea nui mō te whakahaere i ngā taura muka whatu e hono ana ki tētahi mata, he hanganga kauae raka tōna e taea ai te whakau i te taura mō te whakamau i muri mai ki tētahi mata e ai ki tēnei mea hou.