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SCF424 Chassis Manual
5-14 Replacing the Power Supply
The SCF424 chassis includes a 1280W power supply. This power supply is auto-
switching capable. This enables it to automatically sense and operate at a 100v to
240v input voltage. An amber light will be illuminated on the power supply when the
power is off. An illuminated green light indicates that the power supply is operating.
Power Supply Replacement
The SCF424 chassis utilizes two redundant power supplies (four in total). In the
unlikely event that the power supply unit needs to be replaced, one power supply can
be removed, without powering down the system. Replacement units can be ordered
directly from Supermicro (See the contact information in the Preface of this manual).
Changing the Power Supply
1. Power down the system and remove the power cord from the rear of the
power supply as described in Section 5-2. Remove the node from the chas-
sis as described in Section 5-3 and place the node on a flat, stable surface.
Remove the cover from the node as described in Section 5-5.
2. Press the release tab on the back of the power supply and pull the power
supply out using the handle provided.
3. Push the replacement power supply module into the power bay until it clicks
into the locked position.
4. Plug the AC power cord back into the module and return the node to its bay
in the chassis..
Figure 5-28: Changing the Power Supply
5-28
Release Tab
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