
Chapter 4 Removing and Replacing FRUs
Removing and Replacing the Power Supply
Step 5 Disconnect the
Warning When installing or replacing the unit, the ground connection must always be made first and disconnected last. Statement 1046
Figure 4-13 Connecting the DC-Input Wires
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Positive ![]()
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Ground![]()
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Grounding lug
Grounding lug nuts
Figure 4-14 Connecting the DC-Input Wires (Triple-input Power Supply)
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+
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2
+
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3
+
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Negative ![]()
Positive
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Grounding lugs (2) | Ground |
Grounding lug nut |
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| Catalyst 4500 Series Switches Installation Guide |