标准编号：ISO/IEC 14908-2:2012
中文名称：信息技术 控制网络协议 第2部分：双纽线通信
英文名称：Information technology — Control network protocol — Part 2: Twisted pair communication
发布日期：2012-02
标准范围
This International Standard specifies the control network protocol (CNP) free-topology twisted-pair channel for networked control systems in local area control networks and is used in conjunction with ISO/IEC 14908-1. The channel supports communication at 78,125 kbit/s between multiple nodes, each of which consists of a transceiver, a protocol processor, an application processor, a power supply and application electronics.This International Standard covers the complete physical layer (OSI Layer 1), including the interface to the Media Access Control (MAC) sub-layer and the interface to the medium. Parameters that are controlled by other layers but control the operation of the physical layer are also specified.
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