"MANUFACTURER SUGGESTED NAME COMPUTER ASSEMBLY, NCS CHANNEL CONTROLLER (CC) AND RELAY BUS CONTROLLER (RBC) CONFIGURATION; CHASSIS W/O KEYBOARD TOWERCONFIG. 20 IN. H X 12 IN. W X 20 IN. D; REMOVABLE HARD DISK DRIVE; 10,000 FEET ALTITUDE OPERATIONAL; +40 TO +104 DEGREES F OPERATING TEMPERATURE RANGE"