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Model USR604 is an industrial grade, isolated, USB to serial converter that allows you to add four RS-232/422/485 ports to your PC. Built to rugged specifications, the USR604 offers 2 kV port-to-port isolation. This means that your upstream PC is isolated from downstream serial devices and the downstream serial devices are isolated from each other and the upstream PC. _x000D_
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Additional features, such as a heavy duty metal enclosure with panel and DIN rail mounting options, high ESD protection, shock and vibration testing and wide operating temperatures, are ideal for use in harsh environments. Designed for industrial use, it also suitable for instrumentation, utilities, and laboratory applications. _x000D_
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Modbus support enables use with a wide variety of industrial devices. Full speed (480 Mbps) USB 2.0 support allows connectivity with modern computer technology. Serial ports are configurable for RS-232, RS-422 and RS-485 (2-wire & 4-wire). Each unit comes with a USB cable, DIN rail and panel mounting hardware, giving maximum flexibility for your installation.