Battery Charger User’s Guide 15
A Notice About Shielded Signal Cables: Use only shielded cables for connecting devices 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
accessories.us.dell.com/sna/category.asp?category_id=4117.
Most Dell computers or devices are classified for Class B environments. However, the inclusion of certain
options can change the rating of some configurations to Class A. To determine the electromagnetic
classification for your computer or device, see 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 computers or devices are classified by the Federal Communications Commission (FCC) as Class B
digital devices. To determine which classification applies to your computer or device, examine all FCC
registration labels located on the bottom, side, or back panel of your computer or device, on card-mounting
brackets, and on the cards themselves. If any one of the labels carries a Class A rating, your entire computer or
device is conside red to be a Class A digital device. If all la bels carr y an FCC Cl ass B rating as distinguished by
either an FCC ID number or the FCC logo, ( ), your computer or device is considered to be a Class B
digital device.
Once you have determined your computer’s or device’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.