Emx0 Pcie Gen3 I/O Expansion Drawer (Feature Code Emx0) - IBM 8408-44E Site And Hardware Planning

Table 18. 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 19. Environmental requirements
Environment
Noncondensing humidity
Wet bulb temperature
Table 20. 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 21. 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

EMX0 PCIe Gen3 I/O expansion drawer (feature code EMX0)

Hardware specifications provide detailed information for your expansion unit, including dimensions,
electrical, power, temperature, environment, and service clearances.
Table 22. Dimensions for rack-mounted expansion unit
Width
482 mm (19 in.)
1,2,3
Table 23. Electrical
Electrical characteristics
AC rated voltage and frequency
DC rated voltage
Thermal output (maximum)
Maximum power consumption
Maximum kVA
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.)
Depth
802 mm (31.6 in.)
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.)
Height
173 mm (6.8 in.), 4 EIA
units
Properties
100 - 127 V ac or 200 - 240 V ac at 50 or 60 Hz plus or
minus 3 Hz (FC EMXA)
192 - 400 V dc (FC EMXB)
1740 BTU/hr
510 W
0.520
Maximum altitude
2134 m (7000 ft) above sea
level
Weight (maximum)
54.4 kg (120 lb)
Site and hardware planning
15