Arrangement for controlling access to wind farm internal data network, comprises management station for switch and access server

摘要

The arrangement comprises a management station (23) for a switch (15) and an access server (24), where hardware address assigned to the terminals (21) is stored in the access server for each access authorized terminal. The management station is designed to compare a hardware address of the terminal identified during contact with the switch. An independent claim is also included for a method for controlling access to wind farm internal data network.