18 Installing the Nortel Ethernet Routing SwitchEnvironmentalrequirementNortel Ethernet Routing Switch 4500 SeriesAll modelsAcoustic Noise Less than or equal to 45 db typical (measurementmethods based on ISO 7779)MiscellaneousOperatingConsiderations• No heat sources such as hot air vents or directsunlight near the switch.• No sources of severe electromagneticinterference near the switch.• No excessive dust in the environment.• An adequate power source is within 6 feet (1.83meters) of the switch. One 15-amp circuit isrequired for each power supply.• At least 2 inches (5.08 centimeters) of clearanceon each side of the switch unit for ventilation.• Adequate clearance at the front and rear of theswitch for access to cables.WARNINGTo avoid bodily injury from hazardous electrical shock andcurrent, never remove the top of the device. No user-serviceablecomponents are inside. For a translation of this statement, see"Translations of safety messages" (page 53).Package contents"Nortel Ethernet Routing Switch 4500 Series package contents" (page 19)illustrates the components that are provided with each switch in the 4500Series. If any components are missing, contact the switch vendor.Nortel Ethernet Routing Switch 4500 SeriesInstallation GuideNN47205-300 02.01 Standard5.0 23 February 2007Copyright © 2007, Nortel Networks Nortel Networks Confidential.
