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| Sun Blade 6000 Modular System ### Service Manual

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## Apply Power to the Modular System

There is no main power on/off switch on the chassis. Plug in the power cords only when you are ready for the modular system to fully initialize.

1. On the rear of the chassis, open the metal retention clips for each power receptacle.
2. Plug the four power cords into the four receptacles.

   | Description
   --- | ---
   1 | Power supply 1, AC-1
   2 | Power supply 1, AC-0
   3 | Power supply 0, AC-1
   4 | Power supply 0, AC-0

3. Secure each power cord by closing the metal retention clips.
4. Connect the other end of the power cords into your power source.

   For power redundancy, connect the PS0 and PS1 cords into separate power circuits.

   The power behavior of the system depends on which model you have.

   - If you have an A90-B chassis, power is automatically distributed to the modular system.
   - If you have an A90-D chassis, the chassis powers on to standby power. Apply full power to the chassis through Oracle ILOM with the following command:

     `start /CH`

5. Verify the chassis initialization by viewing the front or rear status LEDs.

   - Green OK LEDs – Illuminate a solid green light, indicating successful initialization.

   - Amber Fault LED – Illuminates if a fault is detected. If the amber Fault LED is illuminated, check for other fault indicators on modular components, unplug the chassis, and take corrective actions.

##### Related Information

- Power-On Sequence

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