ExtremeXOS 30.7 allows you to enable or disable Digital Diagnostic Monitoring Interface (DDMI). DDMI provides critical system information about the installed optical modules.
ExtremeSwitching X435, X440-G2, X450-G2, X460-G2, X465, X590, X620, X670-G2, X690, X695, and X870 series switches.
configure ports [port_list | all] ddmi [on | off]