System for controlling an entertainment installation comprising one or more devices, wherein said system comprises: - for each of said one or more devices, a control unit; - for each of said one or more devices, a communication unit; - a central management unit suitable for generating data; - one or more data connections suitable for communicating data between said central management unit and said communication unit of said one or more devices, suitable for full-duplex communication, wherein said communication unit comprises: - a first communication port and a second communication port, suitable for connecting said communication unit to said data connections; - a switch component suitable for exchanging data with said control unit, via full-duplex communication; - a bypass component suitable for switching said communication unit between a first state and a second state, in such a way that, in said first state, said first communication port and said second communication port are connected to said switch component, and, in said second state, said first communication port is connected to said second communication port, and wherein: said central management unit comprises a monitoring module suitable for receiving monitoring messages from said one or more devices, comprising one or more characteristics of said device and/or of a device connected to said device. - for each of said one or more devices, a control unit; - for each of said one or more devices, a communication unit; - a central management unit suitable for generating data; - one or more data connections suitable for communicating data between said central management unit and said communication unit of said one or more devices, suitable for full-duplex communication, wherein said communication unit comprises: - a first communication port and a second communication port, suitable for connecting said communication unit to said data connections; - a switch component suitable for exchanging data with said control unit, via full-duplex communication; - a bypass component suitable for switching said communication unit between a first state and a second state, in such a way that, in said first state, said first communication port and said second communication port are connected to said switch component, and, in said second state, said first communication port is connected to said second communication port, - a first communication port and a second communication port, suitable for connecting said communication unit to said data connections; - a switch component suitable for exchanging data with said control unit, via full-duplex communication; - a bypass component suitable for switching said communication unit between a first state and a second state, in such a way that, in said first state, said first communication port and said second communication port are connected to said switch component, and, in said second state, said first communication port is connected to said second communication port, and wherein: said central management unit comprises a monitoring module suitable for receiving monitoring messages from said one or more devices, comprising one or more characteristics of said device and/or of a device connected to said device.