Addi tional Infor m ation 237Information 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 theelectromagnetic environment classification of the computer system.A Notice About Shielded Signal Cables: Use only shielded cables forconnecting peripherals to any Dell device to reduce the possibility ofinterference with radio communications services. Using shielded cablesensures that you maintain the appropriate EMC classification for theintended 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 ataccessories.us.dell.com/sna/category.asp?category_id=4117.Most Dell computer systems are classified for Class B environments.However, the inclusion of certain options can change the rating of someconfigurations to Class A. To determine the electromagnetic classificationfor your system or device, refer to the following sections specific for eachregulatory 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 CommunicationsCommission (FCC) as Class B digital devices. To determine whichclassification applies to your computer system, examine all FCCregistration labels located on the bottom, side, or back panel of yourcomputer, on card-mounting brackets, and on the cards themselves. If anyone of the labels carries a Class A rating, your entire system is considered tobe a Class A digital device. If all labels carry an FCC Class B rating asdistinguished by either an FCC ID number or the FCC logo, ( ), yoursystem is considered to be a Class B digital device.Once you have determined your system’s FCC classification, read theappropriate FCC notice. Note that FCC regulations provide that changesor modifications not expressly approved by Dell could void your authority tooperate this equipment.This device complies with Part 15 of the FCC Rules. Operation is subject tothe following two conditions:• This device may not cause harmful interference.
