SIPLUS NET CP 343-1 -25...+70 °C with conformal coating based on 6GK7343-1EX30-0XE0 . Communications processor for connection of SIMATIC S7-300 to Industrial Ethernet via ISO and TCP/IP, PROFINET IO controller or PROFINET IO device, Integrated 2-port switch ERTEC 200, S7 communication, fetch/write, Send/Receive with and without RFC1006, MULTICAST DHCP, NTC-CPU Sync, diagnostics, initialization via LAN, 2x RJ45 connection for LAN with 10/100 Mbit/s