Moving Your Telephone 143Security Wall-MountBracketAn optional security wall-mount bracket that ensures that the devicecannot be removed by unauthorized persons is available for the followingdevices:■ 3Com 2101Basic TelephonesFor how to order this bracket, consult your 3Com NBX Voice-AuthorizedPartner. Read and follow the instructions that come with the bracket.Moving YourTelephoneAll 3Com telephones have the Automatic Telephone Relocation feature.Each telephone has a unique “address.” You can move your telephone toanother location, connect it to any Ethernet jack on the LAN, and stillmaintain all of your personalized features, speed dials, and extensionnumber.SwappingTelephonesBecause your extension number and personal settings are associated withyour physical telephone, only your administrator can move phoneextension settings from one telephone to another.Cleaning YourTelephoneAlways unplug your telephone from the power source and from thenetwork before you clean it. Use a soft cloth dampened with milddetergent.WARNING: Failure to unplug the telephone before you clean it couldresult in electrical shock.TroubleshootingProblemsTable 14 lists possible problems that you may encounter and the mostlikely solutions. Where possible, each solution refers to the section in thisguide where you can find detailed information.