The CTM1040T Electronics Communication Module SIP RoHS manufactured by Zhiyuan is an isolated, single-port Ethernet communication device intended for power system equipment. It supports standard 10BASE-T protocol as well as configurable protocol, such as MODBUS, SNMP, TCP/IP, etc. It features wide range input voltage ( from 5 to 30VDC) and industrial grade adaptive lightning safety. This communication module is designed to be RoHS compliant and withstand -40 to +85 degrees operating temperature range. It also comes with various connection interface options, such as RTD & D/A & A/D isolator, NPN/PNP digital input isolator, RS-485 differential isolator, etc. This device can be used for remote I/O monitoring and control, LAN-to-DC communication, etc.