Modem wideband and broadband digital cross-connect systems are being increasingly deployed in fiber networks in the Bell Operating Companies (BOCs). A network controller maximizes the effectiveness of these elements in automating the management and control of high capacity digital networks, and the provisioning and service restoration of DSl and DS3 facilities. This paper discusses strategies used in providing the above capabilities in a recently deployed network, and associated architectures and interfaces. The fist customer application of AT&T's DACScan-2000 Controller is used to illustrate how these strategies are realized in the BOC environment.

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