E-4 Dell Workstation Mini Tower Systems User’s GuideClass A ITEThis is a Class A product based on the standard of theVoluntary Control Council for Interference for informa-tion technology equipment. If this equipment is used in adomestic environment, radio disturbance may arise.When such trouble occurs, the user may be required totake corrective actions.Class B ITEThis is a Class B product based on the standard of theVoluntary Control Council for Interference for informa-tion technology equipment. If this equipment is used neara radio or television receiver in a domestic environment,it may cause radio interference. Install and use the equip-ment according to the instruction manual.Korean Regulatory NoticeTo determine which classification (Class A or B) appliesto your computer system (or other Dell digital apparatus),examine all registration labels located on the bottom orback panel of your computer (or other Dell digital appa-ratus), on card-mounting brackets, and on the cardsthemselves. If any one of the labels carries a Class A rat-ing, your entire system is considered to be a Class Adigital device. If all labels carry either the Class B ratingor the FCC logo ( ), your system is considered to be aClass B digital device.NOTE: Class A devices are for business purposes. ClassB devices are for nonbusiness purposes.Class A DevicePlease note that this device has been approved forbusiness purposes with regard to electromagnetic inter-ference. If you find that this device is not suitable foryour use, you may exchange it for a device that has beenapproved for use in residential as well as businessenvironments.Class B DevicePlease note that this device has been approved for non-business purposes and may be used in any environment,including residential areas.Polish Center for Testing andCertification NoticeThe equipment should draw power from a socket with anattached protection circuit (a three-prong socket). Allequipment that works together (computer, monitor,printer, and so on) should have the same power supplysource.The phasing conductor of the room’s electrical installa-tion should have a reserve short-circuit protection devicein the form of a fuse with a nominal value no larger than10 amperes (A).To completely switch off the equipment, the power sup-ply cable must be removed from the power supply socket,which should be located near the equipment and easilyaccessible.A protection mark “B” confirms that the equipment is incompliance with the protection usage requirements ofstandards PN-93/T-42107 and PN-89/E-06251.Wymagania Polskiego CentrumBadaÒ i CertyfikacjiUrz¼dzenia powinno byÊ zasilane z gniazda zprzyŠ¼czonym obwodem ochronnym (gniazdo z koŠki-em). WspÛŠpracuj¼ce ze sob¼ urz¼dzenia (komputer,monitor, drukarka) powinny byÊ zasilane z tego samegoürÛdŠa.Instalacja elektryczna pomieszczenia powinna zawieraÊw przewodzie fazowym rezerwow¼ ochronÍ przed zwar-ciami, w postaci bezpiecznika o wartoúci znamionowejnie wiÍkszej niø 10A (amperÛw).W celu caŠkowitego wyŠ¼czenia urz¼dzenia z siecizasilania, naleøy wyj¼Ê wtyczkÍ kabla zasilaj¼cego zgniazdka , ktÛre powinno znajdowaÊ siÍ w pobliøuurz¼dzenia i byÊ Šatwo dostÍpne.Znak bezpieczeÒstwa "B" potwierdza zgodnoúÊurz¼dze-nia z wymaganiami bezpieczeÒstwa uøytkowa-nia zawar-tymi w PN-93/T-42107 i PN-89/E-06251.