Environmental Specifications; Air Flow; Environment Acclimation; Dlm Environmental Data - Dell EMC DLm8500 Data Domain Physical Planning Manual

Environmental specifications and regulatory compliance

Environmental specifications

Air flow

Environment acclimation

Disk Library for mainframe 5.0 Physical Planning Guide for DLm8500
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The following table provides the environmental specifications for the DLm system.
Table 14 DLm environmental data
Condition
Operating temperature
Operating altitude (at 32°)
Operating altitude (maximum)
Operating humidity
Raised floor environment - for DLm8500 only
The following table lists the required environmental conditions during shipping and
storage of the DLm system.
Note
The air flow direction for cooling the systems should be from front to rear.
Table 15 Environmental requirements for shipping and storage
Condition
Ambient temperature
Temperature gradient
Relative humidity
Maximum altitude
A DLm system requires time to get acclimated to a computer room environment
before and after you unpack it. Before unpacking the unit, allow it to stabilize for 16
hours. After unpacking the unit, do not connect it to AC power for at least the number
of hours specified in the below table.
Table 16 Environmental acclimation
Transit/storage environment
Condition (°F)
Nominal 68–72
Limits
50°F – 90°F (10°C to 32°C)
7500 ft (2286 m)
10,000 ft (3048 m) 1.1° derating per 1000 ft
20% to 80% non-condensing
Recommended but not required
Setting
-40°F to 149°F (-40°C to 65°C)
43.2°F/hr (24°C/hr)
10% to 90% non-condensing
35000 ft (10667.6 m)
(°C) %RH
20–22 <30%
Hours
required
before
applying
power
(minimum)
0 – 1