A method of replacing a network demarcation device that isolates an internal transport medium from an external transport medium includes establishing a connection from a service computer to the demarcation device via a service interface of the demarcation device and accessing a storage arrangement of the demarcation device with the service computer. The method also includes using the service computer to select configuration information of the demarcation device and establishing a connection between the service computer and a service interface of the replacement demarcation device. The method also includes using the service computer to cause the selected configuration information to be transferred from the demarcation device to the replacement demarcation device interfacing the replacement demarcation device to the internal transport medium and the external transport medium.