5888 Expansion Unit - IBM 8202-E4B Manual

Table 70. Electrical (continued)
Electrical characteristics
Power factor
Leakage current (maximum)
Phase
1
All measurements made in conformance with ISO 7779 and declared in conformance with ISO 9296.
Table 71. Temperature requirements
Operating
10°C - 38°C (50°F - 100.4°F)
1
The maximum 38°C (100.4°F) temperature must be derated 1°C (1.8 °F) per 137 m (450 ft) above 1295 m (4250 ft).
Table 72. Environmental requirements
Environment
Noncondensing humidity
Wet bulb temperature
Table 73. Noise emissions
Properties
L
WAd
L (1-meter bystander)
pAm
1
Single drawer in standard 19-inch rack with 24 hard drives, nominal environmental conditions, and no front or rear
doors on rack.
For a description of noise emission values, see Acoustics.
All measurements made in conformance with ISO 7779 and declared in conformance with ISO 9296.
Table 74. Service clearances for rack-mounted expansion unit
Front
914 mm (36 in.)
Side and top clearances are optional during operation.
Safety compliance: This hardware is designed and certified to meet the following safety standards: UL
60950; CAN/CSA C22.2 No. 60950–00; EN 60950; IEC 60950 including all National Differences
Related information:
Acoustics

5888 expansion unit

Hardware specifications provide detailed information for your expansion unit, including dimensions,
electrical, power, temperature, environment, and service clearances.
1
Operating
20% - 80% (allowable)
40% - 55% (recommended)
21°C (69.8°F)
1
Operating
6.0 bels
43 dB
Back
914 mm (36 in.)
Properties
0.94
1.2 mA
1
Nonoperating
-40°C - 60°C (-40°F - 140°F)
Nonoperating
8% - 80% (including
condensing)
27°C (80.6°F)
Idle
6.0 bels
43 dB
Sides
914 mm (36 in.)
Maximum altitude
2134 m (7000 ft) above sea
level
Hardware specification sheets
31