A device for providing additional functionality to an apparatus having a network connector by which the apparatus is configured to be connected to a network and to be allocated an identifier in the network, the device comprising: a first connector for connecting the device to the network, a second connector for connecting the device to the network connector of the apparatus, whereby the device is adapted to be connected between the network and the apparatus, the device further comprising: one or more components for providing the additional functionality and logic circuitry for controlling the additional functionality, characterised in that: the device is configured to allow communication between the network and the apparatus through the device using a first network portion, wherein the device is configured to communicate with the apparatus using a second network portion, wherein a differentiation between the first and second network portions being provided by using different virtual local area networks or different data communication protocols for the first network portion and the second network portion, respectively, wherein the logic circuitry of the device, when connected between the network and the apparatus, is accessible in the network only via the apparatus using the identifier allocated to the apparatus using: - the first network portion connecting to the apparatus through the device while having no access to the logic circuitry of the device, and - the second network portion connecting the apparatus to the device to access the logic circuitry. a first connector for connecting the device to the network, a second connector for connecting the device to the network connector of the apparatus, whereby the device is adapted to be connected between the network and the apparatus, the device further comprising: one or more components for providing the additional functionality and logic circuitry for controlling the additional functionality, characterised in that: the device is configured to allow communication between the network and the apparatus through the device using a first network portion, wherein the device is configured to communicate with the apparatus using a second network portion, wherein a differentiation between the first and second network portions being provided by using different virtual local area networks or different data communication protocols for the first network portion and the second network portion, respectively, wherein the logic circuitry of the device, when connected between the network and the apparatus, is accessible in the network only via the apparatus using the identifier allocated to the apparatus using: - the first network portion connecting to the apparatus through the device while having no access to the logic circuitry of the device, and - the second network portion connecting the apparatus to the device to access the logic circuitry. the device is configured to allow communication between the network and the apparatus through the device using a first network portion, wherein the device is configured to communicate with the apparatus using a second network portion, wherein a differentiation between the first and second network portions being provided by using different virtual local area networks or different data communication protocols for the first network portion and the second network portion, respectively, wherein the logic circuitry of the device, when connected between the network and the apparatus, is accessible in the network only via the apparatus using the identifier allocated to the apparatus using: - the first network portion connecting to the apparatus through the device while having no access to the logic circuitry of the device, and - the second network portion connecting the apparatus to the device to access the logic circuitry. - the first network portion connecting to the apparatus through the device while having no access to the logic circuitry of the device, and - the second network portion connecting the apparatus to the device to access the logic circuitry.