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Add a USB-based RS232 Serial port to your laptop through an ExpressCard slot
Add a high-speed RS-232 Serial port to your laptop computer via an ExpressCard expansion slot
Convert an RS232 data signal to either RS485 or RS422 with this wall-mountable, ESD-protected adapter
Convert a single USB port into eight serial ports, and connect multiple hubs together for a scalable solution
Convert a USB port into 16 RS232 serial ports in an industrial rack-mountable chassis - and daisy chain multiple hubs for a scalable solution
Add an RS232 serial port with COM retention to your laptop or desktop computer through USB
Add an RS232 serial port with circuit isolation to your laptop or desktop computer, through USB
Add one serial RS-232 port with com retention to any laptop or computer with a USB port
Add two RS232 serial ports with COM retention to your laptop or desktop computer through USB
Add 2 DIN Rail-mountable RS232 Serial ports to any system through USB