3Com Corporation Limited Warranty 43specifications in Part 15 of FCC rules, which are designedto provide reasonable protection against such interferencein a residential installation.However, there is no guarantee that interference will notoccur in a particular installation. If this device does causeinterference to radio or television reception, which you candetermine by monitoring reception when the modem isinstalled and when it is removed from the computer, try tocorrect the problem with one or more of the followingmeasures: Reorient the receiving antenna (for televisions withantenna reception only) or cable input device. Relocate the computer with respect to the receiver. Relocate the computer and/or the receiver so that theyare on separate branch circuits.If necessary, consult your dealer or an experiencedradio/television technician for additional suggestions. Youmay find the following booklet, prepared by the FederalCommunications Commission, helpful:How to Identify and Resolve Radio-TV InterferenceProblemsStock No. 004-000-0345-4U.S. Government Printing OfficeWashington, DC 20402In accordance with Part 15 of the FCC rules, the user iscautioned that any changes or modifications to theequipment described in this manual that are not expresslyapproved by 3Com could void the user’s authority tooperate the equipment.3Com Corporation Limited WarrantyHardware3Com warrants to the end user (“Customer”) that thishardware product will be free from defects in workmanshipand materials, under normal use and service, for thefollowing length of time from the date of purchase from3Com or its authorized reseller: 5 years.