Importance

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Abstract

An operation and maintenance system for a mobile communications network allows to execute a network configuration centrally from a maintenance device of an operation and maintenance center and allows to execute a network configuration peripherally with the aid of a local maintenance terminal which can be connected to a network device of a base station subsystem of the mobile communications network. An access table contains, for each operator authorized for access to the operation and maintenance system, a name entry, a specific operator password to be used by the operator for access via a local maintenance terminal, and information on the extent of the operator's access authorization. The access table is stored in the operation and maintenance center. A controller in the operation and maintenance center administers the access table and initiates a nonvolatile storing of in each case at least that part of the access table in network devices of the base station subsystem which is required for an access performed with the aid of an LMT maintenance device and performed via these network devices.

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First Claim