ISO/IEC 12862:2011规定了120mm和80mm双层DVD可记录盘的机械、物理和光学特性，以实现这种盘的互换。它规定了预记录、未记录和记录信号的质量、数据的格式、信息区的格式、未记录区的格式以及记录方法，从而允许通过这种盘进行信息交换。该盘被识别为用于双层的DVD可记录盘(用于DL的DVD-R)。 ISO/IEC 12862:2011规定了以下内容: 标称直径为120毫米和80毫米的单面或双面圆盘； 合规的条件； 操作和存储磁盘的环境； 盘的机械和物理特性，以便在数据处理系统之间提供机械互换；未记录盘上的预记录信息的格式，包括磁道和扇区的物理配置、纠错码和使用的编码方法； 磁盘上数据和记录信息的格式，包括磁道和扇区的物理配置、纠错码和使用的编码方法； 来自盘上预先记录和未记录区域的信号的特性，使得数据处理系统能够读取预先记录的信息并写入盘； 记录在磁盘上的信号的特性，使数据处理系统能够从磁盘上读取数据。 ISO/IEC 12862:2011规定了磁盘驱动器之间的磁盘互换。与卷和文件结构的标准一起，它提供了数据处理系统之间的完全数据交换。

ISO/IEC 12862:2011 specifies the mechanical, physical and optical characteristics of a 120 mm and an 80 mm dual layer DVD recordable disk to enable the interchange of such disks. It specifies the quality of the pre-recorded, unrecorded and recorded signals, the format of the data, the format of the information zone, the format of the unrecorded zone, and the recording method, thereby allowing for information interchange by means of such disks. This disk is identified as a DVD recordable disk for dual layer (DVD-R for DL). ISO/IEC 12862:2011 specifies the following:

• 120 mm and 80 mm nominal diameter disks that can be either single- or double-sided;
• the conditions for conformance;
• the environments in which the disk is to be operated and stored;
• the mechanical and physical characteristics of the disk, so as to provide mechanical interchange between data processing systems;
• the format of the pre-recorded information on an unrecorded disk, including the physical disposition of the tracks and sectors, the error correcting codes and the coding method used;
• the format of the data and the recorded information on the disk, including the physical disposition of the tracks and sectors, the error correcting codes and the coding method used;
• the characteristics of the signals from pre-recorded and unrecorded areas on the disk, enabling data processing systems to read the pre-recorded information and to write to the disks;
• the characteristics of the signals recorded on the disk, enabling data processing systems to read the data from the disk.

ISO/IEC 12862:2011 provides for interchange of disks between disk drives. Together with a standard for volume and file structure, it provides for full data interchange between data processing systems.