-IOThe USR-TCP232-S2 is a small RS232 to Ethernet communication module manufactured by USR-IO. It is RoHS compliant and provides an effective, low-cost and simple solution for wired communication. The module is configured with a simple DIP switch. It supports multiple networking protocols including DHCP, TCP, UDP, ICMP, ARP, Telnet, and Modbus TCP. It also includes an on-board watch-dog timer for system reliability. The module has data rates of up to 115200Bps and a wide operating temperature range from -35°C to +80°C. It also features a wide output power range from 3,3 to 3,6V, making it compatible with a range of systems.