Digital signal transmission system, has signal connection between station and display by cable, which has channel sending signals from station to display and display to station, to obtain return channel

摘要

The system has a signal connection from a station (11) to display (18) by a cable (15) of optical fibers (14) and a return line from display to the station. The signal connection in the cable has a channel sending signals from the station to the display and a channel sending signals from the display to station, to obtain the return channel.