Task: Translation
Input (Spanish): A Digital Rights Management (DRM) system has a plurality of DRM servers performing DRM functionality and an entering DRM-E server is enrolled into the system by an enrolling DRM-R server such that the entering DRM-E server is to be trusted within the system.
Output (English): Un sistema de administracion de derechos digitales (DRM) tiene una pluralidad de servidores DRM que llevan a cabo funciones DRM y un servidor DRM-E entrante se inscribe dentro del sistema al inscribir al servidor DRM-R de tal forma que el servidor DRM-E entrante debe estar confiado dentro del sistema.