5887 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)
25.4 kg (56.0 lb)	448.6 mm (17.7 in.)	530 mm (20.9 in.)	87.4 mm (3.4 in.)

Table 2. Electrical
Electrical characteristics	Properties
kVA (maximum)¹	0.32
Rated voltage and frequency	100 - 127 V ac or 200 - 240 V ac at 50 - 60 Hz
Thermal output (maximum)¹	1024 Btu/hr
Power requirements (maximum)	300 W
Power factor	0.94
Leakage current (maximum)	1.2 mA
Phase	1
¹All measurements 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 - 60°C (-40°F - 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)	2134 m (7000 ft) above sea level

Table 5. Noise emissions¹
Properties	Operating	Idle
L_WAd	6.0 bels	6.0 bels
L_pAm (1-meter bystander)	43 dB	43 dB
¹Single 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 6. Service clearances for rack-mounted expansion unit
Front	Back	Sides
914 mm (36 in.)	914 mm (36 in.)	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

Last updated: Tue, February 02, 2021