The IPC-622 is a high-end 20-slot, 19" rackmount industrial computer chassis with a 400-watt hot-swappable redundant power supply. Up to six disk drives can be installed into the IPC-622. This unit supports up to four front accessible, half-height storage devices. The IPC-622 can support up to four PC systems in a single chassis suitable for space-critical applications. Moreover, the IPC-622 features an advanced fault detection and alarm notification feature. The IPC-622 monitors its own hardware status including power failure, fan failure and temperature. When malfunctions occur, an audible alarm will be activated to alert users of maintenance needs. Problems can be clearly identified through the IPC-622's front panel LED.