Power Supply Reference - Oracle Sun Server X4-4 Service Manual

Install a Power Supply
This action of rotating the handle upward draws the power supply into the server and engages it
with the internal connector.
7. Connect the AC power cord to the power supply.
8. Verify that the AC Present indicator is lit.
For more information, see
9. Verify that the following indicators are not lit:
Service Action Required indicator on the power supply
■
Front and back Service Action Required indicators
■
Rear PS Failure indicator on the bezel of the server
■
See
for locations of system indicators.
10. If you performed a cold-service procedure, power on the server.

Power Supply Reference

The server has two power supplies. The two-power supply configuration ensures redundancy.
This allows the server to operate when one of the power supplies fails. However when the
126 Sun Server X4-4 Service Manual • October 2015
"Power Supply Reference" on page
"Server Front Panel Features" on page 19
126.
and "Server Back Panel Features" on page 20