The USB Driver can be downloaded from ftdichip.com. 
After installing the driver, this device works just like plug and play.

- USB Type B (FT232RL),
- RS485 (MAX1480),
- Half duplex communication,
- Complete, electrically isolated,
- LED Indicators (Power, RX, TX).

Inside Package:
1. USB RS485 Converter x 1
2. USB Cable x 1