36 APPENDIX A: 3COM SUPPORT3Com Facts Automated Fax ServiceThe 3Com Facts automated fax service provides technical articles, diagrams, andtroubleshooting instructions. Call 1 408 727 7021 from a touch-tone telephone.Support from YourNetwork SupplierIf additional assistance is required, contact your network supplier. Many suppliersare authorized 3Com service partners who are qualified to provide a variety ofservices, including network planning, installation, hardware maintenance,application training, and support services.When you contact your network supplier for assistance, have the followinginformation ready: Product model name, part number, and serial number A list of system hardware and software, including revision levels Diagnostic error messages Details about recent configuration changes, if applicableSupport from 3Com If you are unable to obtain assistance from the 3Com online technical resources orfrom your network supplier, 3Com offers technical telephone support services. Ifyou contact 3Com for assistance, have the following information ready: Product model name, part number, and serial number A description of your computer system hardware and software, includingrevision levels Relevant diagnostic error messages, plus details about recent configurationchanges Topology of your network, including the type of network device (for examplehub or switch) your computer is connected to Type of computer you are trying to connect to (for example, NetWare server, NTserver or peer-to-peer networking)