ISO/IEC/IEEE International Standard - Information technology - Telecommunications and information exchange between systems - Local and metropolitan area networks - Specific requirements - Part 3: Standard for Ethernet AMENDMENT 11: Physical layer and management parameters for serial 25 Gb/s Ethernet operation over single-mode fiber

This amendment to IEEE Std 802.3-2015 adds Physical Layer (PHY) specifications and management parameters for 25 Gb/s operation over single-mode fiber at reaches of at least 10 km (25GBASE-LR) and 40 km (25GBASE-ER).