StarTech USB C to Serial Adapter, with COM Port Retention, USB C to DB9 Cable or RS232 Cable (ICUSB232PROC) | Staples
StarTech.com USB to Serial Adapter Prolific PL 2303 COM Port Retention USB to RS232 Adapter Cable USB Serial - Office Depot
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
Tripp Lite 5ft USB to Serial Adapter Cable USB-A to DB9 RS-232 M/M 5' - serial adapter - USB - RS-232 - U209-000-R - USB Adapters - CDW.com
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