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Insignia™ 1.3' USB-to-RS-232 (DB9) PDA/Serial Adapter Cable Black NS-PU99501 - Best Buy
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USB to Dual Serial RS-232 Converter USB to Serial Adapter Cable
Tripp Lite USB to Serial Adapter Cable USB-A to DB9 RS-232 M/M 5ft 5' - U209-000-R - -
USB-232 Communications Converter
Black Box USB TO RS232 OPTO-ISOLATED CONVERTER (SP385A-R3)
1 Port USB 2.0 to Serial Adapter Cable - Serial Cards & Adapters | StarTech.com
USB to serial RS232 adapter with two ports
USB to RS232 DB9 Serial Adapter Cable - Serial Cards & Adapters | StarTech.com
Buy RS232 USB to RS232C Serial Port Adapter - CNC Specialty Store
Mettler Toledo RS232 to USB Converter Cable for XPR Microbalances and Ultra-Microbalances | Fisher Scientific
