Dell OptiPlex GX240 - Manual (Page 224)

Additional Information 227
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 classification of the computer system.
A Notice About Shielded Signal Cables: Use only shielded cables for
connecting peripherals
to any Dell device to reduce the possibility of
interference with radio communications services. Using shielded cables
ensures that you maintain the appropriate EMC classification for the
intended environment. For parallel printers, a cable is available from Dell.
If you prefer, you can order a cable from Dell on the World Wide Web at
http://accessories.us.dell.com/.
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.
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 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.