To install a power supply, complete the following steps:
Attention:
The information in this document regarding installing and removing
power supplies and connecting and disconnecting power refers to ac power
supplies only. If the server contains dc power supplies, see the documentation that
comes with the dc power supplies. In a dc power environment, only trained service
personnel other than Lenovo service technicians are authorized to connect or
disconnect power to the dc power supply and to install and remove a dc power
supply.
1. Slide the power supply into the bay until the retention latch clicks into place.
2. Remove the server cover and install the five cooling fans that come with the
power supply (see “Installing a hot-swap fan” on page 92); then, install the
cover.
Important:
When power supply 1 is installed, the five fans for power supply 1
occupy the rear row only (fans 3, 4, 8, 9, and 10); when both power supplies
are installed, all 10 fans must be installed. See the fan numbers on the
microprocessor air baffle.
3. Connect the power cord for the new power supply to the power-cord connector
on the power supply.
Attention:
The information in this document regarding installing and removing
power supplies and connecting and disconnecting power refers to ac power
supplies only. If the server contains dc power supplies, see the documentation
that comes with the dc power supplies. In a dc power environment, only trained
service personnel other than Lenovo service technicians are authorized to
connect or disconnect power to the dc power supply and to install and remove a
dc power supply.
The following illustration shows the power-supply connectors on the back of the
server.
1
Power cord connectors
3
Power supply 1
2
Power supply 2
4. Route the power cord through the power-supply handle and through any cable
clamps on the rear of the server, to prevent the power cord from being
accidentally pulled out when you slide the server in and out of the rack.
5. Connect the power cord to a properly grounded electrical outlet.
6. Make sure that the dc power LED and ac power LED on the power supply are
lit, indicating that the power supply is operating correctly.
Removing the battery
The following notes describe information that you must consider when replacing the
battery:
Chapter 4. Removing and replacing server components
97
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