A-21
Catalyst 4500 E-Series Switches Installation Guide
OL-13972-02
Appendix A Power Supply Specifications
1400 W Triple-Input DC-Input Power Supply
Power output also depends on whether two supplies are used, and whether they are in redundant or
combined mode.
Table A-16 provides a matrix of possible outputs in combined mode depending on the
power provided to the supply.
4 2, 3 2 x 15 A 914 W @ –40.5 VDC
990 W @ –44.0 VDC
5 1, 2, 3 1 x 12.5 A and
2 x 15 A
1294 W @ –40.5 VDC
1400 W @ –44.0 VDC
Table A-15 1400 W DC Triple-Input Power Supply Input Modes and Output (continued)
Input
Mode
Source DC
Connections
Input Configuration Maximum Total Output
Power
Ta b l e A-16 Maximum Power with Two 1400 W DC Triple-Input Power Supplies in Combined
Mode
PS2 input 1 PS2 input
2 or 3
PS2 input
1 and (2 or 3)
PS2 input
2 and 3
PS2 input
1 and 2 and 3
PS1 input 1 824 W 907 W 1320 W 1400 W 1700 W
PS1 input 2 or 3 907 W 990 W 1400 W 1450 W 1750 W
PS1 input 1 and (2
or 3)
1320 W 1400 W 1700 W 1750 W 1900 W
PS1 input
2 and 3
1400 W 1450 W 1750 W 1820 W 2130 W
PS1 input
1 and 2 and 3
1700 W 1750 W 1900 W 2130 W 2450 W