Specifications

8-6 Compaq AlphaServer ES40 User’s Guide
8.2 Environmental Specifications
Table 8–5 Environmental Characteristics — All System Variants
Temperature Operating
Nonoperating
Storage (60 days)
Rate of change
10–35
o
C (50–95
o
F)
Not tested
–40 to 66
o
C (–40 to 151
o
F)
11
o
C/hr (20
o
F/hr)
Relative humidity
Operating
Nonoperating
Storage (60 days)
Rate of change
20 to 80%
20 to 80%
10 to 95%
20%/hr
Max wet bulb temp
Operating
Storage (60 days)
28
o
C (82
o
F)
46
o
C (115
o
F)
Min dew point temp
Operating
Storage (60 days)
2
o
C (36
0
F)
Not tested
Heat dissipation
Tower and Rack
Pedestal
H9A10/H9A15
Nominal
900 w, 3074 BTU/hr
1480 w, 5054 BTU/hr
Config-dependent
Maximum
1300 w, 4440 BTU/hr
2400 w, 8196 BTU/hr
4800 w, 16392 BTU/hr
Airflow and quality
Intake location
Exhaust location
Particle size
Concentration
Front
Tower, Pedestal, and
Rackmount: Rear
H9A10/H9A15: Rear and top
N/A
N/A
Altitude Operating
Nonoperating
3037 m (10,000 ft)
12190 m (40,000 ft)
Mechanical shock
Operating
Tower/Pedestal
M-Series Cabinet
7.5 G, 10 +/– 3 ms
5.0 G, 10 +/– 3 ms
Vibration Operating 10–500 Hz .1 G peak