Oracle Netra SPARC S7-2 Service Manual page 135

3. Disconnect the power:
For AC power supply, disconnect the power cord from the server's power supply.
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For DC power supply, turn off the main power circuit breaker to the server's faulty power
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supply unit.
Do not proceed with these instructions until you are sure that there is no voltage
Caution -
present on the DC cords and their power source.
Press the release tab to the right, then pull on the handle.
4.
Remove a Power Supply
Servicing Power Supplies 135