CTN 4000 allows teacher to take direct acces to the student's programme, recall or distribute information. Being controlled by the teacher and by means of an internet connection, the students may discover the world-wide computer net. CTN 4000 not only enables the students to receive information and test the acquired skills but also to easily find out new facilities in a controlled and efficient way. CTN 4000 is a budget-priced, easily handled and reliable hardware configuration with video transmission in real time. Screen, keyboard and mouse of the PCs are branched to a parallel interface. The PCs are still functional even when the network is being switched off.
