it may well have come with an adapter for a 9-pin RS232 serial port. Those mice from a decade or more ago would have contained the software to recognise the interface into which they were plugged ...

Recently, this “vintage” standard has been largely replaced (after all, it is 64 years old) by faster and more power thrifty serial interface technologies such as USB, I2C, SPI. Nevertheless, RS-232 ...

The ICP DAS SG-785 is an optional module that is used to improve the communication of RS-485 network. It provides switch selectable pull-high and pull-low resistors on RS-485 network. It also has ...

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 ...

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 Also known as an RS-232 port, serial ports provide very slow speeds and have been superseded by USB on desktop computers.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 ...