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DNF Controls Extends Utility of SW2X1 Electronic A/B Switch

SYLMAR, Calif. — Feb. 27, 2008 – DNF Controls today announced the release of its new SW2X1-GPI card for the company‘s SW2X1 electronic A/B switch. The GPI card enables easy switching of both GPIs and RS-422 signals, serving as a versatile replacement for mechanical A/B boxes and patch bays in applications including on-air automation, backup control, and emergency switching between primary and secondary control systems.

The SW2X1 A/B switch was developed originally as a simple and effective way to switch two RS-422 inputs to a single output; the introduction of the new SW2X1-GPI card extends the utility of this proven system to address GPI inputs. Up to four SW2X1 cards — GPI, RS-422, or a combination of the two — fit within a single 1-RU housing. Each SW2X1-GPI card enables operators to switch between A and B groups of four GPI inputs to four GPI outputs.

The SW2X1-GPI card features opto-isolated GPI inputs and uses relay contact closure outputs to ensure complete isolation between individual inputs and outputs. In the event of a power failure, the A inputs are automatically switched to the output, which provides a default position for maintaining complete control of default devices. Users can configure GPI inputs for “Wet” or “Dry” operation, selecting “Dry” for input isolation, or selecting “Wet” to use the internal power supply, providing only an external switch closure to “Common.”

More information about the SW2X1-GPI card and other DNF Controls products is available at www.dnfcontrols.com.

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About DNF Controls
DNF Controls is a leading provider of hardware- and software-based control solutions for equipment used in the television broadcast, audio/video production, post-production, and graphics markets. By partnering with industry-leading manufacturers and customers, DNF provides innovative, reliable, and easy-to-use products that are used in point-to-point control as well as in facility-wide multipoint control applications. DNF Controls‘ customer list includes all major U.S. television broadcast and cable networks, domestic and international television stations and production facilities, mobile production trucks, stadiums, and arenas. DNF Controls is headquartered in Sylmar, Calif. More information is available at www.dnfcontrols.com.

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