Sun Oracle Fire X4470 M2, Руководство по обслуживанию

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5-12 Sun Server X2-4 Service Manual • April 2013
c. Reconnect all power cords to the server power supplies and power on the
server.
See Section 6.3 “Powering On the Server” on page 6-3 .
Note – The product serial number used for service entitlement and warranty
coverage might need to be reprogrammed on the fan board by authorized service
personnel with the correct product serial number located on the chassis EZ label.
5.3 Servicing the Power Supply Backplane
(FRU)
Use the following procedures to remove and install the power supply backplane.
Caution –
The system supplies power to the power board even when the server is
powered off. To avoid personal injury or damage to the server, you must disconnect
power cords before servicing the power distribution board.
▼
Remove the Power Supply Backplane
Refer to
FIGURE 5-6
when completing the following procedure.
1. Prepare for servicing:
a. Attach an antistatic wrist strap.
See Section 2.3 “Performing Electrostatic Discharge and Static Prevention
Measures” on page 2-3 .
b. Power off the server completely and disconnect all power cords from the
server power supplies.
See Section 2.6 “Powering Off the Server” on page 2-6 .
c. Extend the server to the maintenance position.
See Section 2.4 “Positioning the Server for Maintenance” on page 2-4 .
d. Remove the top cover.
See Section 2.7 “Removing the Server Top Cover” on page 2-8 .