S035CAUTION:Never remove the cover on a power supply or any part that has this label attached. Hazardous voltage,current, and energy levels are present inside any component that has this label attached. There are noserviceable parts inside these components. If you suspect a problem with one of these parts, contacta service technician.S002CAUTION:The power-control button on the device and the power switch on the power supply do not turn off theelectrical current supplied to the device. The device also might have more than one power cord. Toremove all electrical current from the device, ensure that all power cords are disconnected from thepower source.S001DANGERElectrical current from power, telephone, and communication cables is hazardous.To avoid a shock hazard:• Connect all power cords to a properly wired and grounded electrical outlet/source.• Connect any equipment that will be attached to this product to properly wired outlets/sources.• When possible, use one hand only to connect or disconnect signal cables.• Never turn on any equipment when there is evidence of fire, water, or structural damage.• The device might have more than one power cord, to remove all electrical current from thedevice, ensure that all power cords are disconnected from the power source.Safety information for DC power suppliesCAUTION:240 V dc input (input range: 180-300 V dc) is supported in Chinese Mainland ONLY. Power supply with240 V dc input cannot support hot plugging power cord function. Before removing the power supplywith dc input, please turn off server or disconnect dc power sources at the breaker panel or by turningoff the power source. Then, remove the power cord.Chapter 4. Hardware replacement procedures 131