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 3: Physical Layer and Management Parameters for 25 Gb/s and 40 Gb/s Operation, Types 25GBASE-T and 40GBASE-T
ISO/IEC/IEEE国际标准信息技术系统间电信和信息交换局域网和城域网具体要求第3部分:以太网标准修改件3:25Gb/s和40Gb/s的物理层和管理参数
- Superseded.
This amendment to IEEE Std 802.3-2015 specifies new Physical Coding Sublayer (PCS) interfaces and new Physical Medium Attachment (PMA) sublayer interfaces for 25 Gb/s Ethernet and 40 Gb/s Ethernet. 25GBASE-T and 40GBASE-T specify LAN interconnects for up to 30 m of balanced twisted-pair structured cabling, for 25 Gb/s and 40 Gb/s, respectively.