IOCrest USB 2.0 to RS422/485 (FTDI chipset) Features Standards: conforming to USBV1.0, 1.1 and 2.0 RS-485,RS-422 TIA/EIA Standard USB signals: VCC, DATA+, DATA-, GND and FG RS-422 Signal: T/R+,T/R-,RXT+,RXD-,GND; RS-485 signals: T/R+,T/R-.GND Working...