Table 101. Electrical
1
(continued)
Electrical characteristics Properties
Maximum thermal output 1126 BTU/hr
Input voltage (low range) 100 - 127 V ac
Input voltage (high range) 200 - 240 V ac
Frequency 50 or 60 Hz
1. Power consumption and heat output vary depending on the number and type of optional features that are
installed and the power-management optional features that are in use.
Table 102. Environmental requirements
Environment Allowable operating
Nonoperating
(system off)
Nonoperating
(storage)
Nonoperating
(shipping)
ASHRAE class A3
Airflow direction Front-to-back
Temperature 5°C - 40°C (41°F -
104°F) at 0 - 950 m (0
- 3117 ft)
Decrease maximum
system temperature
by 1°C for every 175
m (574 ft) above 950
m (3117 ft).
5°C - 28°C (41°F -
82°F) at 3050 m
(10000 ft)
5°C - 45°C (41°F -
113°F)
1°C - 60°C (33.8°F -
140.0°F)
-40°C to 60°C (-40°F
to 140°F)
Humidity range Non-condensing:
-12.0°C (10.4°F) dew
point
Relative humidity
(RH): 8% - 85%
8% - 85% RH 5% to 80% RH 5% - 100% RH
Maximum dew point 24°C (75°F) 27°C (80.6°F) 29°C (84.2°F) 29°C (84.2°F)
Maximum altitude 3050 m (10000 ft) 3050 m (10000 ft) 3050 m (10000 ft) 10700 m (35105 ft)
Table 103. Noise emissions (Maximum configuration)
1
Acoustical characteristics Idling Operating
L
WAd
6.2 bels 6.5 bels
1. The noise emission level that is stated is the declared (upper limit) sound power level, in bels, for a random
sample of servers. All measurements are made in accordance with ISO 7779 and reported in conformance with
ISO 9296.
7042-CR9 Hardware Management Console specifications
Hardware specifications for model 7042-CR9 provide detailed information for your Hardware
Management Console (HMC), including dimensions, electrical, power, temperature, environmental
specifications, and noise emissions.
The HMC controls managed systems, including the management of logical partitions and the use of
capacity on demand. Using service applications, the HMC communicates with managed systems to
80 Site and hardware planning
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