Compliant with USB v.1.0 and v.2.0
5 full-duplex (TXD, RXD, CTS, RTS, GND).
4 half-duplex wires (TX+, RX+, TX- , RX- )
2 half-duplex wires (D+, D-)
USB type A to type B.
RS485 up to 4000ft (1200M).
Power on, TX, RX.
Direct Power From USB Port
151 x 75 x 26 mm