ISO International Standard

Information processing systems — Fibre Distributed Data Interface (FDDI) — Part 1: Token Ring Physical Layer Protocol (PHY)

Defines the Physical Layer Protocol (PHY), the upper sublayer of the Physical Layer, for Fibre Distributed Data Interface (FDDI). Intended for use in a high-performance multistation network with the protocol designed to be effective at 100 Mbit/s using a Token ring architecture and fibre optics as transmission medium over distance of several kilometers in extent. References: IOS 9314-2; 9314-3.

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