DUA1608-0AAA01C-4 APPENDIX C: TECHNICAL S UPPORTSupport from Your Network SupplierIf additional assistance is required, contact your network supplier.Many suppliers are authorized 3Com service partners who arequalified to provide a variety of services, including networkplanning, installation, hardware maintenance, application trainingand support services.When you contact your network supplier for assistance, have thefollowing information ready:n Diagnostic error messagesn A list of system hardware and software, including revision levelsn Details about recent configuration changes, if applicableIf you are unable to contact your network supplier, see thefollowing section on how to contact 3Com.Support from 3ComIf you are unable to receive support from your network supplier.technical support contracts are available from 3Com.In the U.S. and Canada, call (800) 876-3266 for customer service.If you are outside the U.S. or Canada, contact your local 3Comsales office to find your authorized service provider:CountryTelephoneNumber CountryTelephoneNumberAustralia(Sydney)(61) (2) 959 3020 Japan (81) (3) 3345 7251Australia(Mel-bourne)(61) (3) 653 9515 Mexico (525) 531 0591Belgium* 0800 71429 Nether-lands*06 0227788Brazil (55) (11) 5460869Norway* 800 13376