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    Environmental Requirements and Specifications for the NSM4000 Appliance

    The appliance must be installed in a rack housed in a dry, clean, well-ventilated, and temperature-controlled environment.

    Ensure that the following environmental guidelines are followed:

    • Keep the site as dust-free as possible, because dust can clog air intake vents and filters, reducing the efficiency of the appliance cooling system.
    • Maintain ambient airflow for normal appliance operation. If the airflow is blocked or restricted, or if the intake air is too warm, the appliance might overheat.

    Table 1 provides the required environmental conditions for normal appliance operation and Table 2 the environmental specifications for storing the appliance (nonoperational).

    Table 1: Environmental Specifications for Appliance Operation

    Description

    Tolerance

    Altitude

    No performance degradation to 10,000 ft (3048 m)

    Relative humidity

    Normal operation ensured in the relative humidity range of 8% to 90%, noncondensing

    Temperature

    Normal operation ensured in the temperature range of 41° F to 104° F (5° C to 40° C)

    Table 2: Environmental Specifications for Appliance Storage

    Description

    Tolerance

    Altitude

    The appliance can be stored safely up to 40,000 ft (12,192 m).

    Relative humidity

    The appliance can be stored safely in the relative humidity range of 5% to 95%, noncondensing.

    Temperature

    The appliance can be stored safely in the temperature range of –40° F to 158° F (-40° C to 70° C).

    Published: 2014-10-30