Manhattan PL-2303 USB to Serial Converter (205146)
USB To Serial Adapter – Computech
Aten Uc232a Usb To Rs-232 Db-9 Pin Serial Connectivity Db9 Adapter Drivers Usb-a Convert Rs232 Interface For Laptop Pc Pda Mac - Pc Hardware Cables & Adapters - AliExpress
phaq » Blog Archive » Getting Aten UC-232A usb-to-serial dongle to work on OS X "Snow Leopard"
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USB to Serial port RS232 DB9 Genuine ATEN (UC-232A) - homenet48