Importance

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Abstract

The invention has for its object to provide a network in which an optimized mode of operation is made possible both in the trouble-free case and on the occurrence of a disturbance. This object is attained by a point-to-multipoint network (NET) which is characterized in that it comprises two nodes (HUB3, HUB4) which are designed as subcenters, are connected to the center (HE) via respective main trunk lines, and make the signals received from the center (HE) available on reserve lines. By activating the reserve lines only if disturbances are present on the main trunk lines, power can be saved. The occurrence of a disturbance in a main trunk line is detected autonomously by each node concerned. In this manner, the nodes can control the reception and forwarding of the signals autonomously and independently of additional control equipment, such as a central switching assembly, and the reserve line is activated only on the occurrence of a disturbance.

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First Claim