![]() The connector was reduced from a 25-pin connector to a 9-pin connector, but RS-232 ports remained present on every computer for many years.īuilt-in RS-232 ports featured direct mapping to memory and worked at a high priority. Apart from the parallel port, it was the primary means to connect an external device. ![]() The Evolution from RS-232 to USBIn the old days of personal computers, one of the primary connections available was the RS-232 serial port. In this article, I’ll briefly discuss the origin of these issues and provide you with some suggestions for successfully handling them. ![]() Our customers frequently encounter issues with these adapters. Have you had difficulty using a USB to RS-232 adapter to connect your RS-232 device to a computer? If so, you are not alone.
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