Communications processor CP 343-1 for connection of SIMATIC S7-300 to Industrial Ethernet via TCP/IP and UDP, S7 communication, fetch/write, SEND/RECEIVE, with and without RFC, Multicast, HTML Diagnostics, FTP client, PBK, NTP-CPU Sync, SNMP, DHCP, Email, WWW, 10/100 MBit, nur RJ45 connection