.1 General Specifications ENTES EMG/GEM Modbus Gateway range is a Modbus TCP/Modbus RTU protocol converter that uses the TCP/IP protocol to ensure remote control of your devices, which communicate through RS485 with the Modbus protocol, through the existing internet/internet infrastructure. General Specifications of EMG/GEM Series Devices: • Cinterion MC55i Quad-band GPRS modem (GEM series only). • 10/100 Mbps Ethernet port (EMG&GEM). • RS232 (EMG&GEM), RS485 port (1200...115200 bps). • Mini USB port for configuration. • Operation with SIM cards that have a static or dynamic IP (GEM series only). • Ability to use the Ethernet port to set device parameters through WEB. (EMG&GEM). • Ability to work as a server or client. • Ability to work in Modbus TCP or Transparent mode. • Ability to read predefined counter data (GEM-10SH only). • GSM port (GEM series only)