HUAWEI HG-8546M EPON/GPON ONU Huawei GPON ONT HG8546M optical network terminal (ONT) is an indoor optical network terminal in Huawei FTTx solution. By using GPON technology, ultra-broadband access is provided for home and SOHO users. The HG8546M provides 1GE-3FE or 4FE Ethernet port, one POTS port, and one USB. HG8546M has WiFi function, support 802.11 b/g/n.