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ASHRAE class compliance information
Your system complies with ASHRAE class A2 specifications. System performance may be impacted when
operating temperature is outside ASHRAE A2 specification.
• Air temperature:
– Operating:
– ASHRAE class A2: 10–35°C (50–95°F); when the altitude exceeds 900 m (2953 ft), the maximum
ambient temperature value decreases by 1°C (1.8°F) with every 300 m (984 ft) of altitude increase.
– ASHRAE class A3: 5–40°C (41–104°F); when the altitude exceeds 900 m (2953 ft), the maximum
ambient temperature value decreases by 1°C (1.8°F) with every 175 m (574 ft) of altitude increase.
– ASHRAE class A4: 5–45°C (41–113°F); when the altitude exceeds 900 m (2953 ft), the maximum
ambient temperature value decreases by 1°C (1.8°F) with every 125 m (410 ft) of altitude increase.
– System off: 5–45°C (41–113°F)
– Shipping or storage: -40–60°C (-40–140°F)
• Maximum altitude: 3050 m (10 000 ft)
• Relative humidity (non-condensing):
– Operating:
– ASHRAE class A2: 8%–80%; maximum dew point: 21°C (70°F)
– ASHRAE class A3: 8%–85%; maximum dew point: 24°C (75°F)
– ASHRAE class A4: 8%–90%; maximum dew point: 24°C (75°F)
– Shipping or storage: 8%–90%
Depending on the hardware configuration, some system models comply with ASHRAE class A3 and class A4
specifications.
Telecommunication regulatory statement
This product may not be certified in your country for connection by any means whatsoever to interfaces of
public telecommunications networks. Further certification may be required by law prior to making any such
connection. Contact a Lenovo representative or reseller for any questions.
Electronic emission notices
When you attach a monitor to the equipment, you must use the designated monitor cable and any
interference suppression devices that are supplied with the monitor.
Additional electronic emissions notices are available at:
http://thinksystem.lenovofiles.com/help/index.jsp
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