COMMUNICATION PROCESSOR CP 443-1 ADV Communications processor CP 443-1 Advanced for connection from SIMATIC S7-400 CPU to Industrial Ethernet: PROFINET IO controller (CPU V5 and higher) and PROFNET CBA ISO, TCP/IP, SEND/RECEIVE and fetch/write, UDP, TCP, S7 communication, with and without RFC1006, Multicast HTML diagnostics, FTP Client/Server SNMP, DHCP, Email, WWW, 10/100 Mbit, Switch connection 4x RJ45