253.7 Disk Enclosure (Front)A front mask is installed on the front face of the disk enclosure as shown in the figureabove.The front mask can be removed by releasing the lock with the accessory key and pullingout toward you with your hands hooked on the both sides of the mask.Removing the front mask, you can view the disk drive shown in the figure below.(1) POWER LED (green)The POWER LED lights green if the AC power is supplied and the power switch isset to ON. The LED is off if the power switch is set to OFF.(2) SERVICE LED (orange)The SERVICE LED lights orange if an error occurs in the disk enclosure.The LED is off while the disk enclosure operates normally.(1) POWER LED (2) SERVICE LED(2) SERVICE LED(1) POWER LED(6) Ejector(5) HDD FAULT LED (4) HDD READY LED (3) Disk drives/dummy trays