HP A4500A - VMEbus Single Board Computer 744 Motherboard Hardware Manual page 45
Hardware manual - rp24xx, customer viewable
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Also See for A4500A - VMEbus Single Board Computer 744 Motherboard:
- Manual (114 pages) ,
- Programmer's manual (109 pages) ,
- Safety and regulatory information manual (24 pages)
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Temperature and Humidity Operation Standards
The following table lists the computer room temperature and humidity specifications for rp24xx servers.
Maximum
Parameter
Non-Operating
a
o
Temperature
-40
(-40
Operating
5% to 90%,
Humidity
non-condensing
at 25
a. At altitudes up to 3,000 meters.
b. Repetitive.
c. Non-repetitive.
Operating ranges refer to the ambient air temperature and humidity measured at the cabinet
NOTE
cooling air intake vents.
Chapter
Temperature and Humidity Specifications
Recommended
Operating
Range
Range
o
o
C to +65
C
20
to 25
o
o
o
F to 149
F)
(70
to 77
40% - 50%,
non-condensing
o
o
o
C (77
F)
at 25
Maximum
Operating
Range
o
o
C
5
C to 39
o
o
F)
(41
F to 102
15% - 80%,
non-condensing
o
o
C (77
F)
at 25
C (77
Temperature and Humidity Operation Standards
Rate Of Change
(per hour)
o
o
o
C
10
C (50
F) R
o
o
o
F)
20
C (68
F)N
o
o
20
F (-7
C)R
o
o
30
F (-1
C)N
30% RH/hour
o
F)
b
c
b
c
53
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