The USB RS422 WE 1800 BT from FTDI is an USB to UART cable with RS422 level UART signals. It incorporates FTDI's FT232RQ USB to serial UART interface IC which handles all the USB signalling and protocols. The cable provides fast, simple way to connect devices with RS422 interface to USB. It contains small internal electronic circuit board utilising FT232R which is encapsulated into USB connector at one end of the cable. The other end of cable is bare, tinned wire ended connections. The integrated electronics also include the RS422 transceiver, Tx and Rx LEDs which give a visual indication of traffic on cable. The USB side of cable is USB powered and USB 2.0 full speed compatible.