The conversion is possible via specific, often unofficial, firmware files shared by developer communities (like 4PDA, Huawei-Firmware.com, or TechExams). These modified firmwares flash the board's bootloader and system software to reinterpret the SFP module's signals.

Flashing the wrong firmware (e.g., an HG8245H file on an HG8245H5) will "brick" the device. Here is the recovery procedure via TFTP.

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