Before USB ports became standard on PCs, several devices connected through a serial port. They're obsolete in many ways, but they still see some use.

Up to four modules can be installed in one groov EPIC chassis, providing a total of 16 serial ports to support communication requirements. Each port is selectable for RS-232C or RS-485 mode, with ...

UART is commonly found in microcontrollers, computers, and peripheral devices. MAX14830ETM+ is a UART interface IC that was designed for bridging microprocessors with SPI/MICROWIRE or I2C ...

Serial communications program opens COM port alias but actually works with specified physical COM port. Additional console utility allows to control Serial Port Mapper via command-line interface.

For measurement applications that require several RS-232, RS-422, or RS-485 ports, use the SeaLINK-USB+8 family of converters from Sealevel Systems to connect up to eight serial ports to a PC through ...

He needed a way to snoop on the back and forth serial communications. Since he didn’t have a specialized tool for this task, [Piotr] ended up building his own . The setup is pretty simple.

The simple method described here evaluates a one-wire device that uses pulse-width-encoded communications from a PC serial port. Communications errors such as parity and acknowledge are monitored ...

Targeting serial-intensive applications, the SIO-104+8.485 eight-port PC/104 RS-485 module conforms to PC/104 specifications and includes UARTs with 128-byte FIFOs for communication ...