Specifications

A–2 Compaq StorageWorks HSG80 Array Controller ACS Version 8.5 Maintenance and Service Guide
Environmental Specifications
The HSG80 array controller is intended for installation in a Class A environment.
The optimum operating environmental specifications are listed in Table A–2; the
maximum operating environmental specifications are listed in Table A–3; and the
maximum nonoperating environmental specifications are listed in Table A–4. These are
the same as for other Compaq storage devices.
Table A–2 Optimum Operating Environmental Specifications
Condition Specification
Temperature +18 °C to +24 °C (+65 °F to +75 °F)
Temperature rate of change 11 °C (20 °F per hour)
Relative humidity 40% to 60% (noncondensing) with a step change of 10% or less
(noncondensing)
Altitude From sea level to 2400 m (8000 ft)
Air quality Maximum particle count 0.5 micron or larger, not to exceed
500,000 particles per cubic foot of air
Inlet air volume 0.026 cubic m per second (50 cubic ft per minute)
Table A–3 Maximum Operating Environmental Specifications
Condition Specification
Temperature +10 °C to +40 °C (+50 °F to +104 °F)
Derate 1.8 °C for each 1000 m (1.0 °F for each 1000 ft) of altitude
Maximum temperature gradient 11 °C/hour (20 °F/hour)
±2 °C/hour (4 °F/hour)
Relative humidity 10% to 90% (noncondensing)
Maximum wet bulb temperature: 28 °C (82 °F)
Minimum dew point: 2 °C (36 °F)