Quantum Scalar i40 Guide de l'utilisateur Page 247

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Chapter 8: Installing, Removing, and Replacing Components
Removing and Installing a Power Supply
Quantum Scalar i40 and Scalar i80 User’s Guide 221
Figure 56 Single Power Supply
System
Scalar i40, single power
supply
Scalar i80, single power
supply installed in top slot
Filler plate covers empty
power supply slot
Figure 57 Redundant Power
Supply System
Scalar i80, dual power
supplies for redundancy
Replacing a Power
Supply in a Single-
Power-Supply System
(Scalar i40 and Scalar
i80)
Note: If you have a single power supply in a Scalar i80, it is
recommended that you install it in the upper slot, to provide
better temperature control (see Figure 56).
1 Shut down
the library (from the operator panel, select Actions >
Shutdown > Shutdown Library). Wait for the screen to prompt
you to turn off library power.
2 Tu
rn OFF library power by pressing the power button on the front
panel. Wait for the operator panel screen to turn off.
3 Disconne
ct the power cord from the power supply.
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