Power Specifications
Table   | Environmental Specifications (20U Rack) (continued)  | |
  | 
  | 
  | 
Feature  | 
  | Specification  | 
  | 
  | 
  | 
Heat dissipation  | 
  | 
  | 
Altix 450  | 
  | 29.86 kBTU/hr maximum (based on 8.75 kW)  | 
Cooling requirement  | Ambient air cooling only  | |
Air flow: intake (front),  | Approximately 750 CFM (normal operation)  | |
exhaust (rear)  | 
  | 
  | 
Maximum altitude  | 10,000 ft. (3,049 m) operating  | |
  | 
  | 40,000 ft. (12,195 m)   | 
Acoustical noise level  | Less than 65 dBa maximum (with doors)  | |
  | 
  | 
  | 
Power Specifications
Table A-6  shows the power specifications for the system.
Table   | Power Specifications  | 
  | 
  | 
  | 
  | 
Feature  | 
  | Specification  | 
  | 
  | |
  | ||
Voltage  | 
  | |
Frequency  | 
  | |
Power  | 
  | 17.5 kW max per tall rack  | 
  | 
  | 8.75 kW max per short rack  | 
  | 16 ms  | |
Total harmonic distortion  | Less than 10% at full load  | |
  | 
  | 
  | 
157  |