SIPLUS ST7 TIM 4R-IE -25...+70 °C with конформних coating based on 6NH7800-4BA00 . communication module for SIMATIC S7-300, S7-400, C7, PC with two RS232/RS485 interfaces for SINAUT Communications via classic WANs and two RJ45 interfaces for SINAUT communication via IP-based networks (WAN or LAN)