Product number (marketing number) 6GK7542-6UX00-0XE0 Product description Communications processor CP 1542SP-1 for connecting SIMATIC S7-ET 200SP to Industrial Ethernet; Open IE communication (TCP/IP, ISO-on-TCP, UDP), PG/OP, S7 routing, IP- Broadcast/Multicast, SNMPV1, DHCP, E-mail, IPV4/IPV6, time synchronization through NTP, network server access, bus adapter is required. Product family CP 1542SP-1