ISO/IEC 9314-7:1998 信息技术 光纤分配数据界面（FDDI） 第7部分：物理层协议（PHY-2）.

标准编号：ISO/IEC 9314-7:1998

中文名称：信息技术 光纤分配数据界面（FDDI） 第7部分：物理层协议（PHY-2）.

英文名称：Information technology — Fibre Distributed Data Interface (FDDI) — Part 7: Physical layer Protocol (PHY-2)

发布日期：1998-10

标准范围

光纤分布式数据接口（FDDI），ISO/IEC 9314，旨在用于高性能通用多节点网络，设计用于峰值数据速率为100Mbit/s。它采用令牌环结构，光纤作为传输介质。FDDI提供了数百个在数十公里范围内运行的节点。物理层协议（PHY）指定用于FDDI的物理层的上子层。像因此，它介绍了为符合FDDI连接设备提供的规范和服务。PHY规定了数据编码和解码、成帧和时钟要求。PHY还规定弹性缓冲、平滑和重复滤波功能。用于PHY-2的ISO/IEC 9314的这一部分是对PHY上的原始FDDI标准的增强（ISO 9314-1）。

The Fibre Distributed Data Interface (FDDI), ISO/IEC 9314, is intended for use in a high-performancegeneral purpose multi-node network and is designed for efficient operation with a peak data rate of100 Mbit/s. It uses a Token Ring architecture with optical fibre as the transmission medium. FDDIprovides for hundreds of nodes operating over an extent of tens of kilometers.The Physical Layer Protocol (PHY) specifies the upper sublayer of the Physical Layer for the FDDI. Assuch, it presents the specifications and services provided for conforming FDDI attachment devices.PHY specifies the data encode and decode, framing, and clocking requirements. PHY also specifiesthe elasticity buffer, smoothing, and repeat filter functions. This part of ISO/IEC 9314 for PHY-2 is an enhancement to the original FDDI standard on PHY(ISO 9314-1).

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