Abstract: A method for transmitting data from and to an electronic device configured to implement at least transmissions of metering data on consumption of a physical quantity, said transmissions being implemented by said electronic device according to at least one data communication protocol (for example DLMS/COSEM) referring to data defined according to an object oriented data model, said data model defining a plurality of classes of communication interface objects, making it possible to access elements of the electronic device, said method being such that said object oriented data model comprises at least one class of communication interface objects comprising attributes and methods for implementing communications via a communication port of the serial port type included in said electronic device or connected thereto. The invention also relates to an electronic device implementing the method.