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6-6
Installing the Air Shrouds
Air Shrouds
Air shrouds concentrate airfl ow to maximize fan effi ciency. The SC827 chassis air
shrouds do not require screws to set up. Two identical air shrouds are required,
one for each serverboard/node.
Installing an Air Shroud
1.
Confi rm that all four fans are in place and working properly
2.
Place an air shroud into the serverboard drawer, positioning it behind the
system fans and over the serverboard and its components.
3.
Repeat the procedure for the remaining serverboard drawer.
6-7
Power Supply
The system has two 1400 watt power supply modules to provide redundant power
for the system. If either of the two power supply modules fail, the other module will
take the full load and allow the system to continue operation without interruption.
The LED on the control panel for node A will fl ash slowly (about 4 seconds on and
4 off) and remain fl ashing until the failed unit has been replaced. Replacement units
can be ordered directly from Supermicro (see contact information in the Preface).
The power supply units have a hot-swap capability, meaning you can replace the
failed unit without powering down the system.
Removing/Replacing the Power Supply (Figure 6-9)
1.
Disconnect the AC power cord from the failed module.
2.
Push the colored release tab to the side and pull the power module out with
the handle provided.
3.
Replace the failed power supply module with the exact same model from
Supermicro.
4.
Carefully insert the new module into position in the chassis and push it in until
fully seated. You should see the LED on the rear of the module turn amber
showing that power (from the backup module) is present.
5.
Reconnect the AC power cord to the new module.
Chapter 6: Advanced Chassis Setup
6-9
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