IBM EXN1000, Hardware And Service Manual, Page: 33 / 94

Hardware specifications
The following table lists the characteristics and requirements for your
hardware.
Table 1. EXN1000 physical characteristics and environmental requirements
Physical characteristics
Weight With maximum
number of disk
drives
77 lbs (35 kg)
Empty 50.6 lbs (23 kg)
Rack units 3U
Height 5.25 in. (13.3 cm)
Width 17.6 in. (44.8 cm)
Depth 20 in. (50.9 cm)
Clearance dimensions
Front-cooling All versions 6 in. (15.3 cm)
Front-maintenance All versions 25 in. (63.5)
Rear-cooling All versions 12 in. (30.5 cm)
Rear-maintenance All versions 12 in. (30.5 cm)
Environmental requirements
Note: Operating at the extremes of the following environmental requirements might
increase the risk of device failure.
Operating temperature maximum range 50° F to 104° F
(10° C to 40° C)
Operating temperature recommended
range
68° F to 77° F
(20° C to 25° C)
Nonoperating temperature range -40° F to 149° F
(-40° C to 65° C)
Relative humidity 10 to 90%
noncondensing
Recommended operating temperature
relative humidity range
40 to 55%
Maximum wet bulb temperature 28° C (82° F)
Maximum altitude 3050 m (10,000 ft.)
Acoustic level 56.4 dBA @ 23° C
5.64 bels @ 23° C
Chapter 1. Preparing for the installation
3