Performance parameters:
■ Standards: Conforming to USB1.1, 1.0 and 2.0 standards and EIA RS-232 standard
■ USB signals: VCC、DATA-、DATA+、GND、FG
■ RS-232 signals: DCD RXD TXD DTR GND DSR RTS CTS RI
■ Operating mode: Asynchronous mode, point-to-point mode
■ Data flow control: Automatic data flow control technique is adopted to automatically determine and control the data flow
■ Baud rate: 300-921600bps, automatically detecting the data rate
■ Load capacity: point-to-point communication mode is supported
■ Communication distance: 5 meters for RS-232 interface and no more than 5 meters for the USB port
■ Interface protection: surge protection, ±15KV ESD portection
■ Interface connection: A type male connector at USB side and DB9 male connector at RS-232 side
■ Signal indication: 2 signal indicators   transmit (TXD)  receive (RXD)  1 power indicator (POWER)
■ Transmission media: twisted-pair cable or shielded cable
■ Cable length: 1500mm
■ Working environment: -40℃ to 85℃，relative humidity of 5% to 95%
■ Supported OS：Support Windows2000/XP，Vista， server2003，Mac OS-X/OS9，LINUX，Windows7, Server 2008, and 64-bit。

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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