100G to 25G QSFP28 Adapter
QSA-100, the QSFP28 to SFP28 Adapter (QSA) has a built-in SFP28 adapter under QSFP28 form factor, with data rate up to 25Gbps per channle. This QSA does not support read SFP DDM info.
2 Version for different I2C design,
Version A: QSA-100A Adapter without EEPROM, the device will read DDM from the SFP transceiver that is connected into the QSA.
Version B: QSA-100B Adapter with EEPROM, the device will read DDM from the QSA.