USB to 4 Port RS232 adapter

With this professional 4 port RS232 to USB FTDI chip adapter you can easily add 4 standard serial ports to your HAL Server. The Professional 4 Port RS232 USB to Serial outputs are automatically configured as additional COM ports with Windows 7, 8 and 10. This device also offers protection against static electricity, high voltage spikes and other dangerous electrical shocks which can damage your equipment or data signaling. This is accomplished by TVS’s (Transient Voltage Suppressors), one for each data line.