Dennis W. Evans Named President & COO of Data Transit Corporation

SAN JOSE, Calif. (December 03, 2002) -- Data Transit Corporation, the leading supplier of modular bus protocol analyzers, today announced the selection of Dennis W. Evans as its new president and chief operating officer. Mr. Evans brings more than 27 years of high technology business experience to Data Transit, most recently as the executive vice president, CFO and secretary of another test and measurement company, Computer Access Technology Corporation. While at Computer Access Technology, Evans led the company through a successful Initial Public Offer in November 2000. Dale Smith, Data Transit's founder, will remain as Chairman, CEO and take on additional direct responsibilities of the vice president of Engineering and CTO.

"Data Transit has rapidly grown over the last year in a very difficult economic environment," said Evans. "I am very excited about joining Data Transit at this point in its development. The Company is well postured to go to the next level. Data Transit has an outstanding team, a loyal customer base, and an excellent reputation for quality products and great technology."

"I am very pleased that we were able to attract Dennis to Data Transit," said Dale Smith. "The Company is ready for the addition of an experienced T&M business executive to round out our management team. Dennis has the background that we were looking for to continue driving our growth and success."

Prior to joining Computer Access Technology, Evans was the vice president and CFO for Whisper Communications, a wireless telemetry company addressing the utility industry. Prior to Whisper, Evans held various executive positions at several other companies including Sherpa, Space Applications, Holmes & Narver, and Price Waterhouse.

About Data Transit
Founded in 1990, Data Transit designs, manufactures and sells the Bus Doctor™ line of protocol analyzers and the PacketMaker™ traffic generators. Data Transit has grown from a niche storage analysis product provider to be a major player in the test and measurement industry. The company's mission is to offer the best analysis tools for complex development environments such as network servers and storage area networks, SANs. Its Bus Doctor modular approach allows users to attach different bus pods to a single analyzer as needed. This unique methodology provides customers with a superior value proposition while giving them the advantage of using a single tool for multiple applications. The Bus Doctor is also differentiated from its competitors by its powerful triggering, large trace buffers and multiple-bus analysis capabilities with a single reference clock and cross triggering. Data Transit supports fifteen busses including Serial ATA, PCI Express, Serial Attached SCSI, Fibre Channel, Gigabit Ethernet, iSCSI, PCI, ATA/ATAPI, SCSI, USB and others.

For further information on buses supported, pricing and delivery - contact Data Transit Corporation, 1721-A Little Orchard Street, San Jose, CA 95125; 408-279-1555; FAX 408-279-8555; sales@finisar.com; www.datatransit.com.

PacketMaker and Bus Doctor are trademarks of Data Transit Corporation. All other trademarks are property of their respective companies.