192.168.8.1 (or check sticker on modem).For Huawei GPON or Fiber modems, the "terminal" is usually a web-based GUI: Typically 192.168.100.1 or 192.168.1.1 .
: Changing a modem from "HiLink" (web interface mode) to "Stick" mode (serial interface mode). Port Management : Activating debug ports or network card interfaces (NCM). Information Retrieval Huawei Modem Terminal Download
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