A data processing device comprises processing module capable of receiving from equipment in a communications network primary data defining events in at least one primary format, and delivering to a management device in the network secondary data defining alarms representing events, in a secondary format. The processing module comprise an interpreter provided with conversion rules, arranged in the form of scripts associated with the various primary event formats, and arranged to convert, using these rules, primary data received in one of the primary formats into secondary data in the secondary format which can be interpreted by the management device.