Product Description Communications processor CP 343-1 Lean for connecting SIMATIC S7-300 to Industrial Ethernet via TCP/IP and UDP, Multicast, send/receive, with and without RFC1006, fetch/write, S7 communication (server), PROFINET IO device-integrated 2-port switch ERTEC 200, module replacement without programming device PG, SNMP diagnostics, initialization via LAN, 2x RJ45 sockets for LAN (10/100 Mbit/s). Product Family CP 343-1 Lean