IBM N Series - Exn3500

340 IBM System Storage N series Hardware Guide
The EXN3000 SAS/SATA expansion unit 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: 3045 m (10,000 ft.)
򐂰 Wet bulb (caloric value):
– 2,201 Btu/hr (fully loaded shelf, SAS drives)
– 1,542 Btu/hr (fully loaded shelf, SATA drives)
򐂰 Maximum electrical power: 100 - 240VAC, 16 - 6 A (8 - 3A max per inlet)
򐂰 Nominal electrical power:
– 100 - 120VAC, 6 A; 200 - 240VAC, 3 A, 50/60 Hz (SAS drives)
– 100 - 120VAC, 4.4 A; 200 - 240VAC, 2.1 A, 50/60 Hz (SATA drives)
򐂰 Noise level:
– 5.7 bels @ 1 m @ 23 degrees C (SATA drives) idle
– 6.0 bels @ 1 m @ 23 degrees C (SAS drives) idle
– 6.7 bels @ 1 m @ 23 degrees C (SATA drives) operating
– 7.0 bels @ 1 m @ 23 degrees C (SAS drives) operating
EXN3500
The EXN3500 SAS expansion unit features the following physical specifications:
򐂰 Width: 447.2 mm (17.6 in)
򐂰 Depth: 542.6 mm (21.4 in)
򐂰 Height: 85.3 mm (3.4 in)
򐂰 Weight (minimum configuration, 0 HDDs): 17.6 kg (38.9 lb)
򐂰 Weight (maximum configuration, 24 HDDs): 22.3 kg (49 lb)
The EXN3500 SAS expansion unit 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)
Warning: Operating at environmental extremes can increase failure probability.