USB serial adapter with gold plated connectors has a USB type A male plug for connecting to a PC or laptop, and a DB9 male plug for the RS232 connection. 3ft RS232 to USB adapter is designed for data communication via COM port between your laptop and 9 pin RS-232 serial port devices like rs232c printer, scanner, cutter, radio station, etc. (NOT VGA to USB adaptor, VGA is 15 pin connector).
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