Hardware options installation 57
15.
Do one of the following:
• Close or install the tower bezel, as needed.
• Slide the server back into the rack.
16. Power up the server (on page 20).
Redundant hot-plug fans option
The server supports redundant hot-plug fans to provide proper airflow to the system if a primary fan fails.
In the standard configuration, fans 1, 2 and 3 cool the server.
For the redundant configuration, fans 4, 5 and 6 are added to back up the primary fans. This
configuration allows the server to continue operation in non-redundant mode, if a fan failure occurs.
WARNING: To prevent personal injury from hazardous energy:
• Remove watches, rings, or other metal objects.
• Use tools with insulated handles.
• Do not place tools or metal parts on top of batteries.
To install the fans:
1. Do one of the following:
• Open or remove the tower bezel, as needed ("Open or remove the tower bezel" on page 21).
• Extend the server from the rack (on page 22).
2. Remove the access panel. ("Remove the access panel" on page 25)
3. Install three hot-plug fans into the center wall.
4. Install the access panel.
5. Do one of the following:
• Close or install the tower bezel, as needed.
• Slide the server back into the rack.
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