Bay Networks 5782 User's Guide Page 84

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62 007-5782-001
6: Basic Troubleshooting and Chassis Service
Power Supply
The SGI Rackable C2108-TY11 system has a 720-watt redundant power supply consisting of two
power modules. Each power supply module has an auto-switching capability, which enables it to
automatically sense and operate at a 100V – 240V input voltage.
Power Supply Failure
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 PWR Fail LED will illuminate and
remain on until the failed unit has been replaced. 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
You do not need to shut down the system to replace a power supply unit. The backup power supply
module will keep the system up and running while you replace the failed hot-swap unit. Replace
with the same model.
Removing the Power Supply
1. First unplug the AC power cord from the failed power supply module.
2. Depress the locking tab on the power supply module.
3. Use the handle to pull it straight out with the rounded handle.
Installing a New Power Supply
1. Replace the failed hot-swap unit with another identical power supply unit.
2. Push the new power supply unit into the power bay until you hear a click.
3. Secure the locking tab on the unit.
4. Finish by plugging the AC power cord back into the unit.
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