Siemens 6GK7443-1EX30-0XE0 CP 443-1 communications processor; 2x 10/100 Mbps (IE switch); RJ-45 ports; ISO; TCP; UDP; PROFINET IO controller; S7 communication; open communication (SEND/RECEIVE); S7 routing; IP configuration via DHCP/module; IP Access Control List; time synchronization; extended web diagnostics; Fast Startup; PROFIenergy support