Oracle Vacuum Cleaner CPU-56T User Manual

Page of 145
Installation
Requirements
36
SPARC/CPU−56T
Requirements
In order to meet the environmental requirements, the CPU board has to be tested in the
system in which it is to be installed.
a
Before you power up the board, calculate the power needed according to your
combination of board upgrades and accessories.
Environmental Requirements
The environmental conditions must be tested and proven in the used system
configuration. The conditions refer to the surrounding of the board within the user
environment.
Note:
a
Operating temperatures refer to the temperature of the air circulating around the
board and not to the actual component temperature.
S Board damage
Operating the board in a chassis without forced air cooling may lead to board
damage.
When operating the board, make sure that forced air cooling is available.
S Board damage
High humidity and condensation on the board surface causes short circuits.
Do not operate the board outside the specified environmental limits. Make sure the
board is completely dry and there is no moisture on any surface before applying
power. Do not operate the board below 0
°C.
Table 5:
 Environmental Requirements
Feature
Operating
Non−Operating
Temperature
0
°C to +50°C
−40
°C to +85°C
Forced airflow
300 LFM (linear feet per minute)
Temp. change
+/− 0.5
°C/min
+/− 1.0
°C/min
Rel. humidity
5% to 95% non−condensating at +40
°C
5% to 95% non−condensating at
+40
°C
Altitude
−300 m to + 3,000 m
−300 m to + 13,000 m
Vibration
aa
aa
10 to 15 Hz
15 to 150 Hz
2 mm amplitude
2 g
5 mm amplitude
5 g