这是一个全面使用的标准，其范围是在实现ANSI NCITS 325-1998串行总线协议2的串行总线设备之间定义对等数据传输协议。指定的设施包括但不限于设备和服务发现、软件设备驱动程序到PPDT设备的自配置（即插即用）绑定以及服务连接管理。

This is a full-use standard whose scope is the definition of a peer-to-peer data transport protocol between Serial Bus devices that implement ANSI NCITS 325-1998, Serial Bus Protocol 2. The facilities specified include, but are not limited to device and service discovery, self-configurable (plug and play) binding of software device drivers to PPDT devices and service connection management.