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Installing the Control Unit
Step 3: lnstalling a Copper Shield
Each expansion carrier requires a power supply.
The added power supply can cause excessive noise in the module occupying
the next slot. To eliminate this noise, install a copper foil shield to the power
supply as indicated in this procedure. These shields and their labels are
packaged in the power unit shielding kit included with the expansion carrier.
See Figure 2-11.
Upper Copper
Foil Shield
Lower Copper
Foil Shield
Power Unit
Information
Label
UL Label
or
CSA Label
Figure 2-11. Installing a Copper Shield in the Power Supply
Installing the Power Supply
2-37