Cisco CAtalyst 4500 Series Installation Manual page 184

Catalyst 4500 Series Power Supplies
Table A-14
redundant mode. In redundant mode, both power supplies must have identical
inputs and all inputs must be at the same voltage. If the input voltages are
mismatched, choose the value matching the weaker of the two power supplies.
Table A-14
110
110+110 or 220
220+220
Table 1-15
combined mode.
Table 1-15
Both sides at 110
110+110, other side 110 1800
Both sides at 110+110
Both sides at 220
220+220, other side 220 2200
Both sides at 220+220
Catalyst 4500 Series Switches Installation Guide
A-20
shows the wattage output possible with the 4200W power supply in
Redundant Mode Output
12V
660
1360
1360
shows the maximum output wattage with the 4200 W power supply in
Combined Mode Output
W @ 12 V
1200
2200
2200
2200
Appendix A
3.3V -50V
40 700
40 1850
40 3700
W @3.3 V W @ -50 V
40 1320
40 2000
40 3100
40 3100
40 4700
40 6200
Specifications
Total
1050
2100
4200
Maximum (W)
1870
2730
3800
3800
5500
7600
78-14409-08