
What are the differences between GBIC, SFP, SFP+, SFP28, QSFP, QSFP+, and QSFP28?
GBIC, SFP, SFP+, SFP28, QSFP, QSFP+, QSFP28 are all packaging methods for optical transceiver, they are different transmission rates and are the main ways to distinguish optical modules.