IBM N Series, Hardware Manual

Page: 357 / 368

Appendix B. Operating environment
337
򐂰 Wet bulb (caloric value): 1553 Btu/hr
򐂰 Maximum electrical power: 100 - 240 V ac, 12 - 8 A per node, 50 - 60 Hz
򐂰
Nominal electrical power:
– 100 - 120 V ac, 4.7 A;
– 200 - 240 V ac, 2.3 A, 5 0- 60 Hz
򐂰 Noise level:
– 55.5 dBa @ 1 m @ 23 degrees C
– 7.5 bels @ 1 m @ 23 degrees C
N6240
The IBM System Storage N6240 Models C10, C20, C21, E11, and E21 feature the following
physical specifications:
򐂰 Width: 44.7 cm (17.6 in.)
򐂰 Depth:
– 71.3 cm (28.1 in.) with cable management arms
– 65.5 cm (25.8 in.) without cable management arms
򐂰 Height: 13 cm (5.12 in.) (times 2 for E21)
The IBM System Storage N6240 Models C10, C20, C21, E11, and E21 feature 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): 1553 Btu/hr
򐂰
Maximum electrical power: 100 - 240 V ac, 12 - 8 A per node, 50 - 60 Hz
򐂰 Nominal electrical power:
– 100 - 120 V ac, 4.7 A;
– 200 - 240 V ac, 2.3 A, 50-60 Hz
򐂰 Noise level:
– 55.5 dBa @ 1 m @ 23 degrees C
– 7.5 bels @ 1 m @ 23 degrees C
Warning: Operating at environmental extremes can increase failure probability.