Communications Processor CP 1542SP-1 IRC for connection of an SIMATIC S7-ET 200SP to Industrial Ethernet, SINAUT ST7, TeleControl Server Basic, IEC-60870-5-104 or DNP3 protocol to a control center; Open IE communication (TCP/IP, ISO-on-TCP, UDP), IP broadcast/multicast, SNMPV1, DHCP, Secure e-Mail, IPV4/IPV6, support of SINEMA Remote Connect with autoconfiguration; time-of-day synchronization via NTP, access to web server of the CPU, bus adapter required