Servicing Power Supplies 135
FIGURE: Installing a Power Supply (SPARC Enterprise T5220 Server)
3. Based on the model of your server (AC or DC), apply power to the power
supply in one of the following ways:
■ AC server models – Connect the power cord to the power supply.
■ DC server models – Turn on the power using the circuit breaker at the power
source.
Caution – For server models with DC input power, always remove power by
turning off the power at the power source circuit breaker. The Wago connector is not
a service disconnect, and should only be disconnected after the power source circuit
breaker is turned off.
4. Verify that the PSU OK LED is lighted.
5. Close the CMA, inserting the end of the CMA into the rear left rail bracket.
6. Verify that the Fault LED on the replaced power supply, the system Power
Supply Fault LED, and the front and rear Service Required LEDs are off.
See “Power Supplies Overview” on page 129.