Cable channel section, cable duct and cable duct system

Cable duct section as conduit or cable channel end, in particular the fourth and / or fifth network plane, for laying and veneering of conduits such as electrical and / or optical lines, and for surface mounting, comprising a duct housing in particular of plastic or aluminum, wherein the channel housing at least has an open access in installation direction for connection to a cable duct and accommodated in the channel housing electronics component for processing data received through a line and / or signals, such as a media converter and / or a WLAN access point.