USB to Serial
USB to Serial Adapters supporting RS232, RS422, and RS485 signals from a USB serial interface, lower OS also supported. USBGear offers the USB to serial interface adapters in single or multiple ports and various configurations including cable length, RS232 TTL (terminal block), and style.
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CableMax USB to Dual Serial DB9 5ft.Cable Adapt
Regular Price: $19.79
Special Price $5.94
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USB to Dual Serial RS-232 Converter USB to Serial Adapter Cable
Regular Price: $14.25
Special Price $4.28
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USB to Dual Serial RS-422/RS-485 Port Mountable Converter
Regular Price: $76.91
Special Price $23.07