Hardware Replacement 9-31Octel Overture 200/300 Serenade 3.0PB60014–01Figure 9-20 Octel Overture 300 Power Supply Assembly Caution!The power supply unit is sensitive to static electricity.Do not attempt the following procedures withoutwearing an antistatic wrist strap.Removing the Power Supply UnitUse the following procedure to remove the power supply unit:Caution!The power supply unit is not hot pluggable. Do notremove the power supply unit when it is ON.1. Unlock and open the door of the cabinet.2. Put on an antistatic wrist strap. Connect it to an unpainted portion of the cabinet.3. Turn OFF the power to the message server at the switch on the front of the power supply unit. Theswitch for the power supply unit is a circuit-breaker rocker switch. On the Octel Overture 200, the switch is OFF when the bottom of the rocker, marked 0, is pressed in.The switch is ON when the top of the rocker, marked 1, is pressed in. On the Octel Overture 300, the switch is OFF when the side of the rocker, marked 0, is pressed in.The switch is ON when the side of the rocker, marked 1, is pressed in.
