SIPLUS ET 200SP CP 1543SP-1 ISEC based on 6GK7543-6WX00-0XE0 with conformal coating, -40+70 , security (firewall and VPN) open IE communication (TCP/IP, ISO-on-TCP, UDP) PG/OP, S7 routing, IP broadcast/multicast, SNMPV1/V3, DHCP, secure email, IPv4/IPv6