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Tripp Lite RS232 to USB Adapter Cable with COM Retention (USB-A to DB9 M/M), FTDI, 5 ft. - USB / serial cable - USB to - U209-005-COM - USB Cables - CDW.com
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Serial Adapter (RS232 to RS485) - Micro Connectors, Inc.
USB to RS232 DB9 Serial Adapter Cable - Serial Cards & Adapters | StarTech.com