Patent ID: 8651379

Claim:
A switchgear cabinet or rack comprising a mounting unit, the front of which has vertical mounting profiles that laterally delimit an installation space for installed user-side units, said profiles having fixing sections for attaching mounting sections of the installed units, and comprising components of a detection device for determining the presence of an installed unit in an installation position of the installation space, wherein the components of the detection device have a vertical detector strip that is attached to a mounting profile and contains detector elements associated with the installed positions and arranged on or in said detector strip and transponders that are provided on the installed units, the information from said transponders being transmitted for evaluation via the detector elements to a monitoring and control unit, either wirelessly or by wire, light-emitting diodes being mounted on or in the detector strip, said light-emitting diodes being associated with the installation positions, wherein the monitoring and control unit is configured for driving the light-emitting diodes in a manner dependent on the information of the transponders that is transmitted to the monitoring and control unit.