N Series Expansion Shelves; Exn1000; Exn3000 - IBM N series Hardware Manual

Weight: 117.2 kg (258.4 lb)
The IBM System Storage N7950T Model E22 features the following operating environment
specifications:
Temperature:
– Maximum range: 10 - 40 degrees C (50 - 104 degrees F)
– Recommended: 20 - 25 degrees C (68 - 77 degrees F)
– Non-operating: -40 - 70 degrees C (-40 - 158 degrees F)
Relative humidity:
– Maximum operating range: 20% - 80% (non-condensing)
– Recommended operating range: 40% - 55%
– Non-operating range: 10% - 95% (non-condensing)
– Maximum wet bulb: 28 degrees C
– Maximum altitude: 3050 m (10,000 ft.)
Wet bulb (caloric value): 2270 Btu/hr
Maximum electrical power: 100 - 240 V ac, 12 - 7.8 A per node, 50 - 60 Hz
Nominal electrical power:
– 100 - 120 V ac, 6.9 A;
– 200 - 240 V ac, 3.5 A, 50-60 Hz
Noise level:
– 66 dBa @ 1 m @ 23 degrees C
– 8.1 bels @ 1 m @ 23 degrees C

N series expansion shelves

This section lists the N series expansion shelves specifications.

EXN1000

Because the EXN1000 was withdrawn from the market and is no longer sold, it is not covered
in this book.

EXN3000

The EXN3000 SAS/SATA expansion unit features the following physical specifications:
Width: 448.7 mm (17.7 in)
Depth: 653.5 mm (25.7 in)
Height: 174.9 mm (6.9 in)
Weight (minimum configuration): 24 kg (52.8 lb)
Weight (maximum configuration): 44.6 kg (98.3 lb)
Warning: Operating at environmental extremes can increase failure probability.
Appendix B. Operating environment
339