ISO/IEC/IEEE International Standard - Information technology-Telecommunications and information exchange between systems--Local and metropolitan area networks - Specific requirements--Part 12: Demand-Priority access method, physical layer and repeater specifications
ISO/IEC/IEEE国际标准-信息技术电信和系统间信息交换-局域网和城域网-特殊要求-第12部分:按需优先访问方法、物理层和中继器规范
This International Standard defines the protocol and compatible interconnection of data communication equipment via a repeater-controlled, star-topology Local Area Network (LAN) using the demand-priority access method.