Cisco Catalyst 4500 Series

Chapter 1 Product Overview
Power Supplies
1-42
Catalyst 4500 Series Switches Installation Guide
78-14409-08
Dual Redundant Operation
Mode 1 ON OFF OFF ON OFF OFF 2.66A 1.2A
Mode 2 OFF ON OFF OFF ON OFF 2.66A 1.2A
OFF OFF ON OFF OFF ON 2.66A 1.2A
Mode 3 ON ON OFF ON ON OFF 5.32A 1.2A
ON OFF ON ON OFF ON 5.32A 1.2A
Mode 4 OFF ON ON OFF ON ON 5.32A 1.2A
Mode 5 ON ON ON ON ON ON 8A 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