Emerson Centellis 2000, Installation And Use Manual

Page: 36 / 58

Board Exchange
Centellis 2000 User Card-10GE Installation and Use (6806800H33B )
36
4.2.1.1 Environmental Requirements
You must make sure that the board when operated in your particular system configuration
meets the environmental requirements specified below.
Operating temperatures refer to the temperature of the air circulating around the board and
not to the component temperature.
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.
Table 4-1 Environmental Requirements
Feature Operating Non-Operating (packed state)
Temperature +5 ºC (+41 °F) to +40 ºC (+104 °F)
(normal operation) according to NEBS
Standard GR-63-CORE
-5 °C (+23 °F) to + 55 °C (+131 °F)
(exceptional operation) according to
NEBS Standard GR-63-CORE -40 ºC (-40 °F) to +85 ºC (+185 °F)
Temp. change +/- 0.25 ºC/min according to NEBS
Standard GR-63-CORE +/- 0.25 ºC/min
Relative humidity 5% to 90% non-condensing according
to Emerson-internal environmental
requirements
5% to 95% non-condensing according to
Emerson-internal environmental
requirements
Vibration (tested
in target
platform) 0.1 g from 5 to 100 Hz and back to 5 Hz
at a rate of 0.1 octave/minute. 5-20 Hz at 0.01 g
2
/Hz
20-200 Hz at -3.0 dB/octave
Random 5-20 Hz at 1 m
2
/Sec
3
Random 20-200 Hz at -3 dB/octave