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This paper discusses the functional components of nodes in wide-band switching networks. Emphasis is given to the local area where the system's architecture can be considerably simplified. The experimental results are related to this type of application. They demonstrate the availability of all system components for medium-size systems (up to 240 lines). A 16 × 16 highly integrated switch is described as a building block for greater systems. It is capable of handling data streams up to 380 Mbits/s. The maximum jitter amplitude observed after passing one cross point is 0.25 ns.