Ideal Vacuum | RS232 Serial to USB Adapter Cable for Agilent Varian T-Plus Software when Computer has NO Serial Port, 3 ft..
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5' USB to RS-232 DB9 Serial Adapter Cable – Serialio.com
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FTDI USB to Serial Adapter Cable w/ COM - Serial Cards & Adapters | Add-on Cards & Peripherals | StarTech.com
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USB to Serial RS232 Adapter - Fully Isolated
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PQR USB to RS232 Adapter (Win 7/8/10/11) – Powertronics
USB to Dual RS232 Adapter / Converter – CommFront
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StarTech.com USB to Serial Adapter Prolific PL 2303 3 ft 1m DB9 9 pin USB to RS232 Adapter Cable USB Serial - Office Depot
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StarTech.com USB to Serial Adapter - Prolific PL-2303 - 3 ft / 1m - DB9 (9-pin) - USB to RS232 Adapter Cable - USB Serial - Add an RS232 serial port to
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RS232 Adapter Cable to USB 2.0 - C003|STEPPERONLINE
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