450 WATT HOT-SWAP 1U FRONT-END

                                           NEWS RELEASE

October 6, 2004                                                                                              Editorial Contact: Eugene Zuch

                                                                                                                        954-346-2442 Ext. 303

450 WATT, HOT-SWAP, 1U FRONT-END

AVAILABLE IN 12, 24 OR 48VDC VERSIONS

Coral Springs, Florida--- As an addition to the popular PowerCassette® family of 1U Front Ends,

UNIPOWER adds a 450-watt version available in three output voltages of 12, 24 and 48VDC.The TPCG models' output currents are 30.8A at 12V, 16.7A at 24V or 9.4A at 48V. These units are housed in ultra-compact cases only 1U-high (1.6 inches or 41mm) by 5 inches (127mm) wide by 10 inches (254mm) deep.

They are available as either chassis mount or hot-swap versions.

A compatible 19-inch rack is available to house up to three units and produce 92.4A at 12V, 50.1A at 24V or 28.2 at 48V. The supplies may also be operated in a 2+1 redundant mode, and have output ORing diodes which result in glitch-free, hot-swap operation to provide continuous power to the load.

Other operating features include universal 85 to 264VAC input voltage range, power factor correction and a Class B EMI filter. The units have an auxiliary +5VDC, 250mA output, an integral LED status indicator, active current sharing and no minimum load requirement.

TPCG, 450 WATT FRONT ENDS

Control and monitoring features include enable/inhibit inputs; AC power fail, DC power good and overtemperature logic outputs; and an analog current monitor output. An optional I²C serial data output is available for monitoring operating functions. Protection features include overload, overvoltage and overtemperature protection.

Availability for the TPCG front-end modules is stock to 4 weeks. Pricing for the power modules is $225 in volume. The racks are ordered separately.

UNIPOWER Corporation is a leader in the design and manufacture of high-density, hot-swap power solutions used in telecom, datacom, network equipment, servers, storage, industrial and medical systems.

For reader information contact Mark Hart, UNIPOWER Corporation, 3900 Coral Ridge Drive, Coral Springs, FL 33065, (954) 346-2442 extension 315, fax (954) 340-7901. E-mail: markh@unipower-corp.com.

Website: www.powercassette.com

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