Performance parameters:
■ USB 2.O,compliable ring to USB1.1, 1.0 and EIA RS-485 and RS-422 standard
■ USB signals: VCC、DATA+、DATA-、GND、FG
■ RS-485 signals/R+、T/R-、GND
■ RS-422 signals:  T/R+、T/R-、RXD+、RXD-、GND
■ Operating mode: Asynchronous, P2P or point-to-multipoint mode, 2-wire half-duplex, 4-wire full-duplex
■ Automatic data flow control: automatically adapt and control data flow
■ Baud rate: 300-128000bps, automatically detecting the data rate
■ Load capacity: point-to-multipoint mode, Max.=128 RS-422/485 devices are supported
■ Communication distance:5 KM for RS-485/422 (128000-9600bps) and <5 m for USB
■ Interface protection: 600W lightning strike and surge protection for each port, ±15KV ESD protection
■ Isolation degree: 2500Vrms isolation voltage for each port, 500DC continuous specialized DC/DC module
■ Isolation type: master/slave ,slave/slave
■ Interface connection: B type female at USB side and DB9 male at RS-485/422 side
■ Signal indication: 9 signal indicator lights, Power(PWR) transmit (TXD)  receive (RXD)
■ Transmission medium: STP or UTP

■ Dimension: 210mm×130mm×32mm
■ Environmental parameters: temperature of -25°C to 70°C, relative humidity of 5% to 95%
■Windows7/2000/XP/ Vista/Linux supported

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  HighTek HK-5202A

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  HighTek HK-5204A

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  HighTek HK-5204B

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  HighTek HK-5208A