POWER7 information

EDR1 expansion unit

Hardware specifications provide detailed information for your expansion unit, including dimensions, electrical, power, temperature, environment, and service clearances.

Table 1. Dimensions for rack-mounted expansion unit
Weight (with drives installed) Width Depth (including front bezel) Height (with support rails)
21.8 kg (48.0 lb) 444.5 mm (17.5 in.) 762 mm (30 in.) 44.5 mm (1.75 in.)
Table 2. Electrical
Electrical characteristics Properties
kVA (maximum)1 0.46
Rated voltage and frequency   100 - 127 V ac or 200 - 240 V ac at 50 - 60 Hz
Thermal output (maximum)1 1501 Btu/hr
Power requirements (maximum)   440 W
Phase 1
1All measurements are made in conformance with ISO 7779 and declared in conformance with ISO 9296.
Table 3. Temperature requirements
Operating Nonoperating
10°C - 38°C (50°F - 100.4°F)1 -40°C to 60°C (-40°F to 140°F)
1The 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 4. Environmental requirements
Environment Operating Nonoperating Maximum altitude
Noncondensing humidity 20% - 80% (allowable)

40% - 55% (recommended)

 8% - 80% (including condensing) 2134 m (7000 ft) above sea level
Wet bulb temperature 21°C (69.8°F) 27°C (80.6°F)

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

Parent topic: Expansion unit and migration tower specifications

Send feedback Rate this page

Last updated: Thu, March 15, 2018