COMMUNICATIONSPROCESSOR CP443-1 FOR CONNECTING SIMATIC S7-400 TO INDUST. ETHERN. VIA ISO, TCP/IP AND UDP, S7-COMM., FETCH/WRITE, SEND/RCV WITH AND W/O RFC1006, MULTICAST, PROFINET IO- CONTROLLER, DHCP, SNMP V2, WEB-, DIAGNOS., INITIALISATION VIA LAN, ACCESS PROTECTION VIA IP-ACCESS LIST, INTEGRATED REAL-TIME SWITCH ERTEC 400, 2XRJ45 CONNECT. FOR LAN WITH 10/100 MBIT/S