| Brand | Unbranded |
|---|---|
| MPN | USB-232/4 |
Check the listing for details. National instruments For NI USB-232/4 Instrument Control Device Adapter. Condition: New. Listed at 1088.00 USD. You can use USB 232/4 port as the standard serial port of the application, including RTS/CTS hardware handshake line. The NI serial interface can also be used as a standard COM port to be compatible with programs using serial communication.