Patent ID: 6920508
Filing Date: 2005-07-19
Classification: H04J

Abstract:
1. A ring network, comprising: a central network element for feeding in data and for distributing both working signals and protection signals on different transmission paths and in oppositely directed transmission directions, and wherein, proceeding from the central network element, the ring network is subdivided into a first part and a second part; a plurality of further network elements connected to subscribers for forwarding upstream data from the subscribers and for distributing the working signals to the subscribers; wherein the central network element feeds a respective working signals into the first and second parts of the ring network; wherein the central network element, in accordance with portions of the respective working signals fed into the first and second parts of the ring network, feeds the working signals as protection signals into the respective other part of the ring network; and wherein the further network elements forward the protection signals as far as the respective network element terminating the first and left-hand parts of the ring network, and the protection signals are fed into the respective other terminating network element of the first and second parts of the ring network and are forwarded counter to a transmission direction of the working signals to the central network element.