© Copyright IBM Corporation 2020, 2021 Customer Install Guide, 100G Switch
16
Operating Environment
Cloud Pak for Data System components are designed to work together as a system in
an ASHRAE A2 environment. .
Table 2: Operating Environment
Environment
Recommended
operating
Allowable
operating
Nonoperating
ASHRAE
A2
Airflow Direction
Front-to-back
Temperature
18C
– 27C (61F -
80F)
10C
– 35C (50F-
95F) [1, 5]
5C
– 45C (41F –
113F)
Humidity
25% - 60%
noncondensing [2,
4]
20% - 80%
noncondensing [2,
4]
8% - 85% [4]
Maximum
Operating Altitude
3050m (10,000 ft)
[1]
Shipping
Temperature
-40C
– 60C (-40F –
140F) [3, 4]
Shipping relative
humidity
8% - 90% [4]
[1] Derate maximum allowable dry-bulb temperature by 1C (1.8F) per 300m (984 ft)
increase in altitude above 950m (2,953 ft)
[2] Maximum dewpoint 21°C (70°F)
[3] Short term temperature only for servers with SSDs
[4] Unit must acclimate to data center environment before unboxing to prevent
condensation.
[5] PDUs do not have fresh air cooling and can function in 60C (140F) environments
