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4-Port USB to RS-232 DB9 Serial Adapter w/ Prolific Chipset
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USB-A to Serial Adapter Cable - RS232, DB9, 5-ft. | Tripp Lite
USB to RS232 DB9 Serial Adapter Cable - Serial Cards & Adapters
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
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Startech 3' USB to RS232 DB9/DB25 Serial Adapter Cable - Walmart.com
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6FT USB to DB9 Serial Converter Cable V3 | Computer Cable Store
Rocstor Premium 5ft 1 Port USB to Null Modem RS232 DB9 Serial DCE Adapter Cable with FTDI
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C2G 1.5ft USB to DB9 Serial Cable - RS232 Adapter Cable - 26886 - -
Serial Computer Cables - 1.5FT DB9 Male to USB Adapter | ShowMeCables.com
5' USB to RS-232 DB9 Serial Adapter Cable – Serialio.com
![USB/Serial Converter [FT232RL] : ID 18 : $17.50 : Adafruit Industries, Unique & fun DIY electronics and kits](https://cdn-shop.adafruit.com/970x728/18-06.jpg "USB/Serial Converter [FT232RL] : ID 18 : $17.50 : Adafruit Industries, Unique & fun DIY electronics and kits")