2votes
1 answer
107views
sfp-eeprom-tool: CH341A-based SFP EEPROM reader and I2C sniffing to expose silent write failures
A small toolset that reads and writes SFP EEPROM over I2C with a CH341A programmer plus an I2C sniffer. The author found that sigrok/PulseView did not work with the analyser, that a v1.0.5 SFP coder firmware reported success while silently not writing the module (proven by I2C traces), and that the…
