Dell DCS Personal Computer User Manual


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20 Setup and Quick Reference Guide
Dell computer systems are designed, tested, and classified for their intended electro-
magnetic environment. These electromagnetic environment classifications generally
refer to the following harmonized definitions:
Class A is typically for business or industrial environments.
Class B is typically for residential environments.
Information Technology Equipment (ITE), including peripherals, expansion cards,
printers, input/output (I/O) devices, monitors, and so on, that are integrated into or
connected to the system should match the electromagnetic environment classifica-
tion of the computer system.
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Most Dell computer systems are classified for Class B environments. To determine
the electromagnetic classification for your system or device, refer to the following
sections specific for each regulatory agency. Each section provides country-specific
EMC/EMI or product safety information.
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Most Dell computer systems are classified by the Federal Communications Commis-
sion (FCC) as Class B digital devices. However, the inclusion of certain options can
change the rating of some configurations to Class A. To determine which classifica-
tion applies to your computer system, examine all FCC registration labels located on
the bottom 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 con-
sidered 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 Computer Corporation could void your authority to operate
this equipment.
This device complies with Part 15 of the FCC Rules. Operation is subject to the follow-
ing two conditions:
This device may not cause harmful interference.
This device must accept any interference received, including interference that
may cause undesired operation.
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