Industrial networking training related videos in this playlist. Industrial networking protocols such as RS-232, RS-422, RS-485; the media and hardware needed for industrial networking; the basics of Ethernet; the Seven Layers of Ethernet; physical layers of Ethernet; and Ethernet security, etc. (Well, that is the goal to eventually cover all these topics well for you. Just starting out right now, so be sure to subscribe at youtube.com/subscription_center?add_user=bin952 )