本文件规定了以下项目，以补充ISO/IEC/IEEE 8802-3: -和解子层和物理实体之间的接口，包括减少的千兆媒体独立接口（RGMII）； -公共物理实体唤醒和同步链路睡眠功能独立于物理媒体和传输比特率。 车载以太网的光和电传输的光和电组件要求及测试方法不在本文件的范围内。

This document specifies the following items to complement ISO/IEC /IEEE 8802？3: — interface between reconciliation sublayer and physical entity including reduced gigabit media independent interface (RGMII); — common physical entity wake-up and synchronised link sleep functionalities independent from physical media and transmission bit rate. The optical and electrical component requirements and test methods for optical and electrical transmission of in-vehicle Ethernet are not in the scope of this document.