Simatic net, cp 343-1it communications processor for connecting simatic s7-300 to ind. ethernet using tcp/ip and udp, s7 comm. , fetch/write, send/receive, with and w/o rfc, multicast, html diagnosis, ftp client, pbk, ntp-cpu sync, snmp, dhcp, e-mail, www, 10/100 mbit, rj45 port only