Appendix A Power Supply Specifications

300 W DC-Input Power Supply (PWR-C49-300DC)

Table A-7

DC-Input Power Supply Inlet Temperature Versus Fan Speed

 

 

 

 

Fan Speed

Inlet Temperature (T)

Fan Speed (RPM)

Level

(± 2°C)

(±100RPM)

 

 

 

 

L1

–10°C < T 30°C

5100

 

 

 

 

 

L2

30°C < T 37°C

6400

 

 

 

 

 

L3

37°C < T 45°C

7700

 

 

 

 

 

L4

T > 45°C

9500

 

 

 

 

 

 

Catalyst 4948E and Catalyst 4948E-F Switch Installation Guide

A-14

OL-21561-02

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Image 90
Cisco Systems 4948E-F manual 10C T ≤ 30C 5100 30C T ≤ 37C 6400 37C T ≤ 45C 7700 9500