SIMATIC NET, CP 343-1 LEAN COMMUNICATION PROCESSOR FOR CONNECTING SIMATIC S7-300 TO IND. ETHERNET VIA TCP/IP AND UDP, MULTICAST, SEND/RECEIVE W/ AND W/O RFC1006, FETCH/ WRITE, S7-COMMUNICATION(SERVER) PROFINET IO-DEVICE INTEGRATED 2-PORT SWITCH ERTEC 200, BG EXCHANGE W/O PG, SNMP DIAGNOSTICS, INITIALIZATION VIA LAN, 2 X RJ45 CONNECTION FOR LAN WITH 10/100 MBIT/S