New Echelon Tool Opens a Window into the Operation, Performance of LonWorks Automation Systems

The LonScanner Protocol Analyzer Helps Diagnose and Fine Tune Control Networks Over IP as Well as Any LonWorks Medium

Echelon Corporation (Nasdaq:ELON) today announced a significant new diagnostic tool for LonWorks(R) based building, industrial, transportation, utility and home automation systems. The new LonScanner(TM) Protocol Analyzer software operates on any PC running Windows 2000, Windows XP, or Windows Server 2003, and helps troubleshoot and fine tune network operation. The new product can be used locally on a LonWorks network or remotely via the Internet. The LonScanner Protocol Analyzer captures, analyzes, characterizes, and displays network packets in an easily understood format so that this information can be used to pinpoint network or device faults and identify potential remediation techniques. Intended for use by installers and maintainers of automation systems, the LonScanner tool is an invaluable troubleshooting aid and the first ever protocol analyzer that works with the full range of Echelon network interfaces, adapters, and i.LON(R) Internet Servers.

This announcement is one of three announcements (see separate press releases) being made today in advance of this week's LonWorld 2004 Conference taking place in Shanghai, China. Collectively these announcements represent an important step forward in the continuing evolution of the LonWorks(R) platform, which provides the most advanced and complete networking infrastructure for everyday devices.

The LonScanner Protocol Analyzer is available in two configurations: as a stand -alone product or a version available for use with any network management tool built on Echelon's new LNS(R) Turbo Edition network operating system. Beta copies of the LonScanner Protocol Analyzer are shipping now, and full production is expected in early 2005. For additional information please contact your local Echelon sales office, the locations of which may be found at

About the LonWorld 2004 Exhibition and Conference

Echelon and LonMark International are co -organizers of LonWorld 2004. The LonWorld event is the world's leading annual forum for the LonWorks industry, allowing hardware and software manufacturers, specifiers, integrators, value added resellers, consulting and design engineers, distributors, facility managers, energy managers and executives, and buyers of "smart" products to see and learn firsthand about new products, applications, and technological advances in networking everyday devices. More information can be found at

About Echelon Corporation

Echelon Corporation (Nasdaq:ELON) is the world leader in networking machines and everyday devices. The company offers a comprehensive line of hardware and software products for automating building, consumer, industrial, transportation, and utility products using LonWorks networks, an international, cross -industry, open standard for interoperable device networks.

Echelon is based in San Jose, California with international offices in China, France, Germany, Italy, Hong Kong, Japan, Korea, The Netherlands, and the United Kingdom. Further information can be found at

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