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About This Manual
Class A devices are those that may reasonably be expected to be installed in a business or
commercial environment. Class B devices are those that may reasonably be expected to be
installed in a residential environment (for example, personal computers). The FCC requires
devices in both classes to bear a label indicating the interference potential of the device, as well
as additional operating instructions for the user.
The rating label on the device shows which class (A or B) the equipment falls into. Class A
devices do not have an FCC logo or FCC ID on the label. Class B devices have an FCC logo or
FCC ID on the label. Once the class of the device is determined, refer to the following
corresponding statement.
Class A Equipment
This equipment has been tested and found to comply with the limits for a Class A digital device,
pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable
protection against harmful interference when the equipment is operated in a commercial
environment. This equipment generates, uses, and can radiate radio frequency energy and, if
not installed and used in accordance with the instructions, may cause harmful interference to
radio communications. Operation of this equipment in a residential area is likely to cause harmful
interference, in which case the user will be required to correct the interference at personal
expense.
Declaration of Conformity for Products Marked with the FCC Logo—United States Only
This device complies with Part 15 of the FCC Rules Operation and is subject to the following two
conditions: (1) this device may not cause harmful interference, and (2) this device must accept
any interference received, including interference that may cause undesired operation.
For questions regarding your product, please contact your sales representative.
To identify this product, refer to the Part, Series, or Model number found on the product.
European Union Notice
Products with the CE Marking comply with both the EMC Directive (89/336/EEC) and the
Low-Voltage Directive (73/23/EEC) issued by the Commission of the European Community.
Compliance with these directives implies conformity to the following European Norms (items in
brackets are the equivalent international standards):
EN55022 (CISPR 22)
EN55024 (IEC61000-4-2,3,4,5,6,8,11)
EN61000-3-2 (IEC61000-3-2)
User Manual
Rev. 1, November 2011
Table 2 European Union Safety Requirements
ApplianceStor 50
Electromagnetic Interference
Electromagnetic Immunity
Power Line Harmonics
vii
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