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Programming an OEM copper SFP fails silently: no A2h page, write-protect controlled by the WP pin
The poster programmed an OEM copper SFP with a 256-byte firmware dump; the switch recognised the type but the module received no data, whereas the original worked, and no password error appeared. It failed on several units. Hardware involved: OEM copper SFP (24C02 EEPROM). Reported…
