"FUNCTIONING OF COMPONENTS DEMONSTRATED BY MOCK-UPS AND ACTUAL ELECTRICAL AND COMMUNICATIONS COMPONENTS; MOUNTED ON TYPE II,CLASS 5A MODIFIED PANEL; INTERMEDIATE SHELF OF PANEL FITTED W/ BRACKETS AND MOUNTS AS NECESSARY TO MOUNT SUBSYSTEM COMPONENTS IN AN ACFT ENVIRONMENTAL ARRANGEMENT CONDUCTIVE TO TRAINING AND MAINTENANCE; CAPABLE OF INDEPENDENT OPERATION AND FULLY OPERATIONAL W/ ALL OUTPUTS AND VISUAL RESPONSES OF ITS SUBSYSTEMS DEPICTING ACTUAL SYSTEM OPERATION; DIM: 72.000 IN. LG,40.000 IN. W; 60.000 IN. H; POWER RQMT: 120/208VAC,60HZ,3PHASE"