10. If you are instructed to return the backplane, follow all packaging instructions,
and use any packaging materials for shipping that are supplied to you.
Installing the power backplane
To install the power backplane, complete the following steps.
1 Power backplane connector
Attention: 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. See the documentation that comes with each dc power supply.
1. Align the edge-connector of the power backplane with the power-backplane
edge-connector on the system board.
2. Slide the power backplane toward the left side of the server until the
edge-connectors are fully connected.
3. Connect the power cable from the hard disk drive backplane to the power
backplane.
4. Install the fan-bracket assembly (see “Installing the fan-bracket assembly” on
page 61).
5. Install the cover (see “Installing the cover” on page 57).
6. Install the power supplies into the power-supply bays (see “Installing a hot-swap
power supply” on page 95).
Attention: 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. See the
documentation that comes with each dc power supply.
7. Slide the server into the rack.
8. Reconnect the external cables; then, reconnect the power cords and turn on the
peripheral devices and the server.
Attention: 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. See the documentation that comes with each dc power
supply.
Chapter 4. Removing and replacing server components 105
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