Add an RS232 serial port to any system with an available USB motherboard header - USB to Serial - USB to RS232 - USB to DB9 - USB to serial Adapter - USB to serial port
This USB A to USB Motherboard 4-Pin Header plugs directly into a motherboard USB header, providing two standard USB A female ports. Backed by Lifetime Warranty.
Add two RS232 serial ports to any system with an available USB motherboard header - USB to Serial - USB to RS232 - USB to DB9 - USB to serial Adapter - USB to serial port
This Low Profile DB9 Serial Slot Plate Bracket adds a DB9 serial port to the rear panel of small form factor/low profile computer, connecting to the host computer motherboard using an IDC10 connector.
Add RS232, RS422 and RS485 support to your laptop or desktop computer via USB - USB to RS232 RS422 RS485 - USB to Serial - USB to DB9 - USB to serial Adapter - USB to serial port