Solving the industry problem of how to use the popular Mercury Security access control products in a 19" rack environment, the GEMINI RGM-X is designed to allow expansion of an RGM system by providing space for additional Mercury Security access control components. RGM-X Enclosures contain no power system and provide predrilled mounting for up to four Mercury devices for adding up to eight doors to an existing RGM powered system. Mercury equipment is provided by the integrator based on the job requirements. The unit is intended for mounting within a standard four post EIA 19" electronics rack with a maximum depth of 36".