MINNEAPOLIS — August 25, 2009…

Comtrol Corporation, a worldwide leader in device connectivity, today introduced the RocketLinx^™ series of Industrial Ethernet switches. This versatile and cost-effective new product line is designed to comply with NEMA TS2 standards and includes both managed and unmanaged switches featuring 10/100 Ethernet, gigabit and fiber connectivity options, and rugged, IP31-rated housings. The ES8510 managed switch features redundant ring technology and recovery times of less than five milliseconds.

“Customers told us they wanted an industrial Ethernet switch that had the same stability, reliability and support that they receive from our DeviceMaster family of device servers,” said Bradford Beale, vice president of global sales for Comtrol. “With an industry-leading combination of features, our RocketLinx switches truly deliver.”

RocketLinx switches are designed to meet the performance and extremereliability. The switches’ compact designs and din-rail mountings make them easy to install in roadside cabinets or in industrial settings. environmental demands for applications in traffic and transportation, power utility, industrial automation and any other markets requiring extended operating temperatures and high performance and

“The introduction of the RocketLinx industrial Ethernet switches marks a significant milestone for Comtrol,” said Comtrol President and CEO Ehssan Taghizadeh. “We’ve now introduced more than 20 products and technologies in 2009 to make Comtrol the clear choice for all of our customers’ device connectivity needs.”

---

About Comtrol Corporation

Comtrol Corporation is a worldwide leader in device connectivity, industrial Ethernet gateways, and intelligent embedded device connectivity products for a wide range of industrial and traffic/transportation applications. The company’s RocketPort multi‐port serial card, DeviceMaster Ethernet device server and RocketLinx industrial grade Ethernet switch product lines are sold through regional, national and international distributors and by thousands of resellers and integrators worldwide. For more information, contact Comtrol Corporation at 800-926-6876 or visit www.comtrol.com.