USB interface: Fully compliant with V1.0, 2.0 specification.
USB to serial bridge controller; Prolific PL2303HX.
RS-232 signal: 5 full-duplex (TXD, RXD, CTS, RTS, GND).
RS-422 signal: Differential 4 full-duplex wires (TX+, RX+, TX-, RX-).
RS-485 signal: Differential 2 half-duplex wires (D+, D-).
Data Format: Asynchronous data with all common combination of bits, parity, stop.
Parity type: None, odd, even mark, space.
Data bit: 5, 6, 7, 8 or 16.
Stop bits: 1, 1.5, 2.
Cable: USB type A to type B.
Communication speed: 75~256KBbps.
RS-422/485 line protection: Against surge, short circuit, and voltage peak.
Transmission distance: RS-422/485 Up to 4000ft (1200M ).
Connection type: Screw terminal accepts AWG #12~30 wires.
Signal LED: Power on, TX, RX.
Direct power from USB port.
Power consumption: 1.2W.
Isolation voltage: 3000V DC.
Operating environment: -10 to 50℃
Storage temperature: -20 to 70℃
Humidity: 10-90% Non-condensing.
Dimension: 151mm X 75mm X 26mm .