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Transition Networks
PowerStar III, IV and V Active Star Twinax-to-RJ45 Hub
for IBM iSeries and AS/400

PowerStar III, PowerStar IV and PowerStar V Twinax-to-RJ45 Active Star Hubs for iSeries, AS/36 and all Twinax Controllers

PLEASE NOTETransition Networks PowerStar Active Star Hubs are no longer manufactured and are available as Refurbished Products. We have other products to meet any requirements for RJ45 or RJ11 Active Star Hubs.


The PowerStar Family of active repeater is a cost-effective way to convert a Twinax daisy chain topology to the greater reliability and flexibility of a Category 5/6 (Cat5/Cat6) wiring environment. .

Call us at (800)597-2525 for other Transition networks iSeries and AS/400 wiring products such as Twinax-to-fiber converters and Twinax multiplexers. 


  • Connects two Twinax host ports and 14 devices in a star configuration via Category 5 or Category 6 (Cat5/6) RJ45 Ethernet-type cabling capable of supporting Twinax devices at a total distance of up to 5000 feet (1520 meters) from the host.

  • Provides true start sequence regeneration and line synchronization.

  • Each port has separate transceiver circuitry and is isolated from the other ports, so disconnecting or removing one device does not affect the other devices.

  • Automatically compensates for speed differences among 5250 devices.

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 SPECIFICATIONS Feature / Description
System Environment IBM iSeries, AS/400, AS/36, S/36 and all Twinax Controllers (IBM, Perle, I-O, BOSaNOVA)
Devices All 5250 and compatible devices supported by IBM systems
Twinax Host Ports 2 RJ45
Twinax Device Ports 14 RJ45
Cable Category 5 or Category 6 (Cat5 or Cat6)
Maximum Distances
Category 5 or Category 6 760 m (2,500 ft.)
Data Rate 1 Mbps or 1.038 Mbps, auto sensing
Unit LED Power: Lit for normal operation
Port LEDs Line sync
Lit for normal operation
Blinks when parity error in the data/address frame occurs
Power PowerStarIV and V - Internal universal input; 90 ? 264VAC, 47 ? 63Hz, 40W
PowerStar III -External Power Supply
Environment 0 ? 50?C; 5% ? 90% humidity non- condensing; 0 ? 10,000 ft. altitude
Dimensions Width: 17.0" (432 mm)
Depth: 6.0" (153 mm)
Height: 1.625" (42mm)
Shipping Weight 8 lbs. (3.6 kg)
Compliance UL listed; FCC & CISPR Class A; CE Mark

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