Environmental specifications – Compaq 4200 Family User Manual
Page 48

B–4 Enclosure 4200 Family LVD Disk Enclosures User Guide
Environmental Specifications
To ensure optimum product operation you must maintain the operational environmental
specifications listed in Table B–3. Especially critical is the ambient temperature.
When shipping this product, or placing it in short term storage, Compaq recommends
maintaining the environmental conditions listed in Table B–4.
Power Supply (without fan)
1
4.5 in (12.7 cm)
11.5 in (29.2 cm)
2
9.5 in (24.1 cm)
16.75 in (42.6 cm)
3
6.25 in (15.9 cm)
13.0 in (33.0 cm)
Weight
4.0 lb (1.8 kg)
6.0 lb (2.7 kg)
Table B–2 Element Physical Specifications (Continued)
Vertical Orientation (see Figure B–2)
Horizontal Orientation (see Figure B–1)
Installed
Shipping Carton
Table B–3 Operating Specifications
Ambient Temperature: 10°C to +35°C (+50°F to +95°F) with an average rate of change of 1°C/hour
maximum and a step change of 3°C or less
Maintaining the
optimum ambient temperature within the specified range ensures that the internal
operating temperatures supports disk drive manufacturer’s MTBF specifications.
Relative Humidity: 40% to 60% (noncondensing) with a step change of 10% or less (noncondensing)
Air Quality: Not to exceed a maximum of 500,000 particles, 0.5 micron or larger, per cubic foot of air.
Heat Dissipation: 1600 BTUs per hour
Table B–4 Shipping or Short Term Storage Specifications
Ambient Temperature: –40°C to +66°C (–40°F to +150°F)
Relative humidity: 10% to 80% noncondensing
Altitude: 15,240 m (50,000 ft)