COMMUNICATION PROCESSOR CP 1543 SP1 FOR CONNECTING INDUSTRIAL ETHERNET, INDUSTRIAL ETHERNET, SECURITY (FIREWALL AND VPN) OPEN IE COMMUNICATION (TCP/IP, ISOONTCP, UDP) PG/OP, S7 ROUTING, IPBROADCAST/MULTICAST, SNMPV1/V3, DHCP, SECURE EMAIL, IPV4/IPV6, TIME SYNCHRONISATION VIA NTP, ACCESS TO WEB SERVER OF CPU, BUS ADAPTER REQUIRED