IBM 865741Y Handbook - Page 72

Electrical Safety Electrical Safety CAUTION: Electrical current from power, telephone, and communication cables can be hazardous. To avoid any shock hazard, disconnect all power cords and cables as described in the following information. For your safety, always do the following before removing the cover: 1. Turn off the server and any attached devices, such as printers, monitors, and external drives. Note: If you are in the United Kingdom and have a modem or fax machine attached to your server, you must disconnect the telephone line from the server before unplugging any power cords (also known as power cables). When reassembling your server, you must reconnect the telephone line after you plug in the power cords. 2. Unplug all the power cords from electrical outlets. 3. Disconnect all communication cables from external receptacles. 4. Disconnect all cables and power cords from the back of the server. Note: Reconnect the cables or power cords only after you reassemble the server and put the cover back on. CAUTION: Never remove the cover on the power supply. If you have a problem with the power supply, have your system serviced. 54 Netfinity 3500 User's Handbook