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Catalyst 4948E and Catalyst 4948E-F Switch Installation Guide
OL-21561-02
Appendix A Power Supply Specifications
300 W AC-Input Power Supply (PWR-C49E-300AC-F)
300 W AC-Input Power Supply (PWR-C49E-300AC-F)
The PWR-C49E-300AC-F 300 W AC-input power supply can be installed only in the Catalyst 4948E-F
switch chassis. This power supply is not supported on the Catalyst
4948E switch. Figure A-2 shows the
300 W AC-input power supply with the major features identified.
Figure A-2 AC-Input Power Supply (PWR-C49E-300AC-F) Features
Ta b l e A-2 PWR-C49E-300AC-R Power Supply Inlet Temperature Versus Fan Speed
Fan Speed
Level
Inlet Temperature (T)
(± 2°C)
Fan Speed (RPM)
(±100RPM)
L1 –5°C < T ≤ 35°C 8900
L2 35°C < T ≤ 42°C 9800
L3 42°C < T ≤ 50°C) 11100
L4 T > 50°C 12700
1 AC power switch 4 Power supply LEDs
2 Captive installation screw 5 Power supply handle
3 AC power cord receptacle
196260
1
3
4
5
2
PWR-C49E-300AC-F
PWR-C49E-300AC-F