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Appendix: Regulatory Notices 87
Appendix: Regulatory Notices
FCC Notices (U.S. Only)
Most Dell computer systems are classified by the Federal Communications Commission
(FCC) as Class B digital devices. To determine which classification applies to your computer
system, examine all FCC registration labels located on the bottom, side, or back panel of
your computer, on card-mounting brackets, and on the cards themselves. If any one of the
labels carries a Class A rating, your entire system is considered to be a Class A digital device.
If all labels carry an FCC Class B rating as distinguished by either an FCC ID number or the
FCC logo, ( ), your system is considered to be a Class B digital device.
Once you have determined your system’s FCC classification, read the appropriate FCC
notice. Note that FCC regulations provide that changes or modifications not expressly
approved by Dell could void your authority to operate this equipment.
This device complies with Part 15 of the FCC Rules. Operation is subject to the following
two conditions:
• This device may not cause harmful interference.
• This device must accept any interference received, including interference that may
cause undesired operation.
Class A
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 manufacturer’s instruction manual, may cause
harmful interference with radio communications. Operation of this equipment in a
residential area is likely to cause harmful interference, in which case you will be required to
correct the interference at your own expense.
Class B
This equipment has been tested and found to comply with the limits for a Class B digital
device pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable
protection against harmful interference in a residential installation. This equipment
generates, uses, and can radiate radio frequency energy and, if not installed and used in
accordance with the manufacturer’s instruction manual, may cause interference with radio
communications. However, there is no guarantee that interference will not occur in a
particular installation. If this equipment does cause harmful interference to radio or
television reception, which can be determined by turning the equipment off and on, you are
encouraged to try to correct the interference by one or more of the following measures: