Amazon.com: StarTech.com USB to Serial RS232 Adapter - DB9 Serial DCE Adapter Cable with FTDI – Null Modem - USB 1.1 / 2.0 – Bus-Powered (ICUSB232FTN) : Everything Else
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Tripp Lite USB to Serial Adapter Cable USB-A to DB9 RS-232 M/M 5ft 5' - U209-000-R - -
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USB-RS232-WE-1800-BT_0.0 - Ftdi - Cable, USB A to RS232, Serial Convertor
StarTech.com ICUSB232V2 USB to Serial Adapter - Prolific PL-2303 - 1 port - DB9 (9-pin) - USB to RS232 Adapter Cable - USB Serial - Newegg.com
USB-RS232-PCBA FTDI | Mouser
Mini USB 2.0 to RS-232 DB-9 Serial Adapter w/ 10kV Surge Protection & 3ft. USB Extension Cable
USB to RS232 Adapter with PL2303 Chip 3.3 FT, CableCreation USB 2.0 to RS232 Female DB9 Serial Converter Cable for Cashier Register, Modem, Scanner, Digital Cameras, CNC, 1M Black : Electronics
C2G 1.5ft USB to DB9 Serial Cable RS232 Adapter Cable Convert a DB9 RS232 serial device to USB great for PDAs digital cameras and many other peripherals - Office Depot