USB 2.0 to RS232 Serial Port DB9 9 Pin Male Converter Adapter Win7/8/2000/XP Mac

Plug Type: USB 2.0 to 9 Pin Male RS232. Interface: RS232. The USB to Serial/Parallel Adapter provides the connection between USB and the traditional RS-232 serial port. Since the adapter uses no IRQs, it is perfect if you need many serial devices attached to your PC.

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