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Catalyst 4500 Series Switches Installation Guide
78-14409-08
Chapter 1 Product Overview
Power Supplies
Dual Redundant Operation
Mode 1ONOFFOFFONOFFOFF2.66A1.2A
Mode 2 OFF ON OFF OFF ON OFF 2.66A 1.2A
OFF OFF ON OFF OFF ON 2.66A 1.2A
Mode 3ONONOFFONONOFF5.32A1.2A
ON OFF ON ON OFF ON 5.32A 1.2A
Mode 4 OFF ON ON OFF ON ON 5.32A 1.2A
Mode 5ONONONONONON8A 1.2A
Table 1-11 Minimum Load Table (continued)
PSU1 PSU2
Input 1 Input 2 Input 3 Input 1 Input 2 Input 3
12V
Minimum
Load
3.3V
Minimum
Load