规定了基本概念的定义、应测试特性的环境、盒式磁带的操作和存储环境、机箱和光盘的机械、物理和尺寸特性、光学特性以及一次记录和多次读取信息的记录特性，以便提供数据处理系统之间的物理互换性、轨道和扇区的物理配置格式、纠错码、用于记录的调制方法以及记录信号的质量。

Specifies definitions of essential concepts, the environment in which the characteristics shall be tested, the environments in which the cartridge shall be operated and stored, the mechanical, physical and dimensional characteristics of the case and of the optical disk, the optical characteristics and the recording characteristics for recording the information once and for reading it many times, so as to provide physical interchangeability between data processing systems, the format for the physical disposition of the tracks and sectors, the error correction codes, the modulation methods used for recording and the quality of the recorded signals.