Startech® ICUSB232D 1-Port USB/RS232 DB9 Serial Adapter W/Detachable 6' USB A/B Cable, Black | Quill.com
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Startech .com 3ft (1m) USB to Serial Cable with COM Port Retention, DB9 Male RS232 to USB Converter, USB to Serial Adapter, Prolific IC... 1P3FPC- USB-SERIAL - Corporate Armor
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StarTech.com ICUSB2321FIS USB to Serial Adapter - Optical Isolation - USB Powered - FTDI USB to Serial Adapter - USB to RS232 Adapter Cable - Newegg.com
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