if you require additional assistance, contact your network supplier. many suppliers are authorized 3com service partners who are qualified to provide a variety of services, including network planning, installation, hardware maintenance, application training, and support services.

    when you contact your network supplier for assistance, have the following information 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 applicable.

    if you are unable to contact your network supplier, see the following section on how to contact 3com.