Regulator y Notices 259A Notice About Shielded Signal Cables: Use only shielded cables for connectingperipherals to any Dell device to reduce the possibility of interference with radiocommunications services. Using shielded cables ensures that you maintain theappropriate EMC classification for the intended environment. For parallel printers, acable is available from Dell. If you prefer, you can order a cable from Dell on the WorldWide Web at accessories.us.dell.com/sna/category.asp?category_id=4117.Most Dell computer systems are classified for Class B environments. However, the inclusionof certain options can change the rating of some configurations to Class A. To determinethe electromagnetic classification for your system or device, see the following sectionsspecific for each regulatory agency. Each section provides country-specific EMC/EMI orproduct 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 yourcomputer system, examine all FCC registration labels located on the bottom, side, or backpanel of your computer, on card-mounting brackets, and on the cards themselves. If any oneof the labels carries a Class A rating, your entire system is considered to be a Class A digitaldevice. If all labels carry an FCC Class B rating as distinguished by either an FCC IDnumber 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 FCCnotice. Note that FCC regulations provide that changes or modifications not expresslyapproved 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 followingtwo conditions:• This device may not cause harmful interference.• This device must accept any interference received, including interference that maycause undesired operation.
