Old Macs used the serial port for printers. Also known as an RS-232 port, serial ports provide very slow speeds and have been superseded by USB on desktop computers. USB-to-serial adapters are ...

2-port Isolated RS-232/422/485 Communication Module. Data Bits: 5, 6, 7, 8. Stop Bits: 1, 1.5, 2. Parity: None, even, odd. Baud Rate: 50 bps ~ 230.4 kbps. Data ...

RS-232 is the most known serial port used in transmitting the data in communication and interface. Even though a serial port is harder to program than the parallel port, this is the most effective ...