Connecting to the AR in Wired Mode to Obtain an IP Address - AR100, AR120, AR150, AR160, AR200, AR1200, AR2200, AR3200, and AR3600 V200R010 Web-based Configuration Guide - Huawei
Huawei HG8245H, 4GE, 2POTS, WIFI, with USB port ONT details features and wifi configuration - YouTube