A device for assisting with the replacement of a first connector with a second connector, each connector comprising an input interface including a plurality of connection members intended to be connected to electric cables, and an output interface intended to cooperate with a connection interface of a piece of electronic equipment (32E, 32F) for connecting the electric cables to this piece of equipment (32E, 32F); the device including: - a first measurement cell including a connection interface intended to cooperate with the output interface of the first connector for connecting this connector to this cell; - a second measurement cell including a connection interface intended to cooperate with the output interface of the second connector for connecting this connector to this cell; characterized in that the device further includes: - an emitter of electromagnetic signals, the electromagnetic signals being radioelectric signals; - a controller connected to the first measurement cell and to the second measurement cell, the controller being further connected to the emitter of radioelectric signals and being able to control the operation of this emitter; when the first and the second connectors (16C, 46C) are respectively connected to the first and to the second cells (51, 52) and when at least one electric cable is connected onto a connection member of the first connector, the controller being able to measure the power of the radioelectric signal received by each connection member of each of the connectors (16C, 46C) and to analyze this power in order to detect the disconnection of said at least one electric cable of the corresponding connection member and its connection on another connection member of the second connector. the device including: - a first measurement cell including a connection interface intended to cooperate with the output interface of the first connector for connecting this connector to this cell; - a second measurement cell including a connection interface intended to cooperate with the output interface of the second connector for connecting this connector to this cell; characterized in that the device further includes: - an emitter of electromagnetic signals, the electromagnetic signals being radioelectric signals; - a controller connected to the first measurement cell and to the second measurement cell, the controller being further connected to the emitter of radioelectric signals and being able to control the operation of this emitter; - a first measurement cell including a connection interface intended to cooperate with the output interface of the first connector for connecting this connector to this cell; - a second measurement cell including a connection interface intended to cooperate with the output interface of the second connector for connecting this connector to this cell; characterized in that the device further includes: - an emitter of electromagnetic signals, the electromagnetic signals being radioelectric signals; - a controller connected to the first measurement cell and to the second measurement cell, the controller being further connected to the emitter of radioelectric signals and being able to control the operation of this emitter; when the first and the second connectors (16C, 46C) are respectively connected to the first and to the second cells (51, 52) and when at least one electric cable is connected onto a connection member of the first connector, the controller being able to measure the power of the radioelectric signal received by each connection member of each of the connectors (16C, 46C) and to analyze this power in order to detect the disconnection of said at least one electric cable of the corresponding connection member and its connection on another connection member of the second connector.