Standard Features Control critical system settings, such as time delays, and transfer loads as required LED-indicated source status and switch position Programmable pickup and dropout voltage settings Fundamental programmable time delays Seven-day generator exercise schedule RS-485 standard and Ethernet optional communicationCommunication Features Communication with RS-485 and Ethernet (RJ-45) Supports Modbus RTU and Modbus TCP protocols Ethernet network requires an optional communication moduleProgrammable Functions Two digital inputs standard Two digital outputs standard Programmable for events, warnings and shutdowns