ISO/IEC 14165-321:2009（E）光纤通道是一种高速串行接口，使用光或电连接（即物理层），数据速率目前高达2 Gbits/s，增长路径为10 Gbits/s，并为上层协议（ULP）提供通用数据传输工具，如智能外围接口（IPI）和小型计算机系统接口（SCSI）命令集、高性能并行接口（HIPPI）数据帧、IP（互联网协议）、ANSI/IEEE 802.2等。光纤通道支持的拓扑包括点对点、交换结构和仲裁环路。ISO/IEC 14165的本部分定义了使用光纤通道序列和交换传输音频视频（AV）流的协议。用于传输AV流的光纤通道连接使用标准FC帧格式和序列/交换层次结构。

ISO/IEC 14165-321:2009(E) Fibre Channel is a high speed serial interface using either optical or electrical connections (i.e., the physical layer) at data rates currently up to 2 Gbits/s with a growth path to 10 Gbits/s, and provides a general data transport vehicle for Upper Level Protocols (ULPs) such as Intelligent Peripheral Interface (IPI) and Small Computer System Interface (SCSI) command sets, the High-Performance Parallel Interface (HIPPI) data framing, IP (Internet Protocol), ANSI/IEEE 802.2, and others. The topologies supported by Fibre Channel include point-to-point, switched fabric, and arbitrated loop. This part of ISO/IEC 14165 defines a protocol for transmitting audio-video (AV) streams using Fibre Channel Sequences and Exchanges. Fibre Channel connections used for transmitting AV streams utilize standard FC frame format and sequence/exchange hierarchy.