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StarTech.com ICUSB2321X USB to Serial Adapter - 1 Port - COM Port Retention - Texas Instruments TIUSB3410 - USB to RS232 Adapter Cable
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This professional grade USB to Serial Adapter cable converts a USB port into an RS232 serial port. The adapter retains assigned serial COM port values allowing the same values to automatically be assigned to the adapter serial ports if disconnected.
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