A micro-electro-mechanical mirror device for use in an optical switch is disclosed. First ID information is obtained which is specific to the device via a digital interface after second ID information is assigned to the device, wherein the first ID information includes the device information, and the second ID information is used for communicating with the device. The housing can be fastened in an opening of a column paneling. The front wheels are supported by wheel assemblies connected by pivotable support legs to the slider assembly.