IEEE/ISO/IEC International Standard-Telecommunications and exchange between information technology systems — Requirements for local and metropolitan area networks —Part 3: Standard for Ethernet AMENDMENT 1: Physical layer specifications and management parameters for 2.5 Gb/s and 5 Gb/s operation over backplane

Ethernet Media Access Control (MAC) parameters, Physical Layer specifications, and management objects for the serial transfer of Ethernet format frames at 2.5 Gb/s and 5 Gb/s over electrical backplanes are defined in this amendment to IEEE Std 802.3-2018.