... signal switcher has many functions, such as 2X2,manual,automatic smart switch,single channel PID,multichanel PID, as well analizing ... wayIf the main channel signal is failure, it will switch to standby signal automaticallIf the main channel signal recovered ... 110~240V;Frequency:50~60HzDC(optional):-48V,24V,12VMax. power consumption:per module<3WEnvironmentWork temperature:0°C~55°CStorage temperature ...