除了视频传播方式之外,传播途径还包括三个音频或数据通道.

The transmission includes, in addition to video, three audio or data channels.

辅助信道拥有一个数字音频信道 、 一个EOW通道和一个数据通道.

The auxiliary channels have one digital voice channel, one EOW channel and one data channel.

第二个磁强计传感器作为一个备份的情况下，第一次失败磁传感器，并提供更好的校准的磁强计数据通道。

The second magnetometer sensor serves as a backup in case the first magnetometer sensor fails and provides for better calibration of the magnetometer data channel .

介绍了F2口的技术特性和利用F2口数据通道对载波监测信息的传输应用，为提高电力通信系统现有资源的利用率提供了典例。

This paper introduces the technical characteristics of F2 interface and transmission application of carrier wave supervisory information by F2 digital passage interface.