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.