User Service Guide, Fifth Edition - HP Integrity rx8640 SEU

Figure 3-21 Wall Receptacle Pinouts
WARNING! There is a risk of shock hazard while testing primary power. Use properly
insulated probes.
5. Verify that the voltage between receptacle pins X and Y is between 200–240V AC.
6. Set the site power circuit breaker to OFF.
7. Ensure that power is removed from the server.
8. Route and connect the server power connector to the site power receptacle.
• For locking type receptacles, line up the key on the plug with the groove in the receptacle.
• Push the plug into the receptacle and rotate to lock the connector in place.
WARNING! Do not set site AC circuit breakers serving the processor cabinets to ON before
verifying that the cabinet has been wired into the site AC power supply correctly. Failure
to do so may result in injury to personnel or damage to equipment when AC power is applied
to the cabinet.
9. Set the site power circuit breaker to ON.
10. Set the server power to ON.
11. Check that the indicator light on each power supply is lit.
Connecting AC Input Power
The SEU has two line cord configurations:
• The preferred configuration is line cords B0 and A0 plugged into the SEU. This configuration
provides power supply redundancy when each power cord is plugged into a different power
source.
• The other configuration is line cord A0 plugged into the SEU. Use the A0 power cord
receptacle when only one power source is available to supply power to the SEU.
60 Installing the Server Expansion Unit