(NOT a USB to VGA adapter (not DB15 port), it’s a USB to DB9 RS232 adapter ). 1x USB to RS232 DB9 Serial Converter Adapter Cable 6 Feet. RS232 USB to serial Female adapter cable 9 pins 2 row DB9 allows PC computer to connect RS-232 serial device that communicate through COM ports (Not 15 pin 3 row DB15 VGA monitor cable for video).
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