Installing redundant power and cooling
You can install a second 835-watt hot-swap power supply. This upgrade option
includes a hot-swap power supply, two hot-swap fans, a fan structure with an air
duct and a single hot-swap fan, and a fan power cable. You must also purchase a
second power cord to connect the power supply to the power source.
To install the redundant power and cooling option, complete the following steps:
1. Read the safety information that begins on page vii and the guidelines in
“Handling static-sensitive devices” on page 9.
Attention: Static electricity that is released to internal server components
when the server is powered-on might cause the server to halt, which might
result in the loss of data. To avoid this potential problem, always use an
electrostatic-discharge wrist strap or other grounding system when you work
inside the server with the power on.
2. Turn off the server and peripheral devices, and disconnect the power cords
and all external cables. Remove the left-side cover.
3. Remove all adapters.
Hot-swap fan
Fan air baffle
4. Remove the fan air baffle from the fan cage assembly by pushing in on the tab
on the back of the air baffle; then, push the baffle to the left and lift it out of the
fan cage assembly.
5. Install two hot-swap fans in the empty bays of the fan cage assembly.
Chapter 2. Installing optional devices 19
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