Typically, OEM copper SFPs are based on a simple EEPROM such as the 24C02 and do not have a PCB-mounted MCU that performs write protection function in accordance with SFF 8472. Often the WP pin is connected to one of the TX or RX power circuits of the transceiver. This trick is used by the manufactu...

Copper modules do not support A2h page. It is useless to try to guess a password or use a known password for such a module, because the password input field does not exist. An attempt to write a password to such a module will not return any errors. Serial ID data is stitched into the EEPROM of the t...

Good day to all. I bought your programmer to work with SFP. Delivery is very fast, the price is affordable) The task was to make modules compatible with my ibm switch I will share my impressions. In general, the product is made with high quality, and the work seems to be stable. BUT. It is felt that...