Proper noun
MAC-48
(computing, networking) an obsolete EUI used to address hardware interfaces within existing IEEE 802-based networking applications
Network interface controller Common consumer devices to use MAC-48 include every PC, smartphone or tablet computer. Source: Internet
In addition, the EUI-64 numbering system encompasses both MAC-48 and EUI-48 identifiers by a simple translation mechanism. Source: Internet
MAC addresses are formed according to the rules of one of three numbering name spaces managed by the Institute of Electrical and Electronics Engineers (IEEE): MAC-48, EUI-48, and EUI-64. Source: Internet
To convert a MAC-48 into an EUI-64, copy the OUI, append the two octets FF-FF and then copy the organization-specified extension identifier. Source: Internet
The distinction between EUI-48 and MAC-48 identifiers is purely nominal: MAC-48 is used for network hardware; EUI-48 is used to identify other devices and software. Source: Internet