HU-04 USB to RS-485/422

II. Performance parameters

1. Standards: conforming to USBV1.1 and 1.0, EIA RS-485 and RS-422, backwards compatible.

2. USB signals: VCC DATA+ DATA- GND FG

3. RS-485 signals: T+, T-, GND.

4. RS-422 signals: T+, T-, R+, R-, GND.

5. Industrial grade, adopt UK FTDI master chip

6. Working modes: asynchronous, point-to-point or point-to-multipoint, 2-line half duplex and 4-line full duplex.

7. Direction control: adoption of automatic data stream control for automatic recognition and control of data transmission direction.

8. Baud rate: 300-128,000bps, automatic detection of the transmission rate of the serial interface signal.

9. Workload ability: point-to-multipoint supported a maximum of 32 RS-422 or RS-485 interface equipment is supported.

10. Transmission distance: 1200 meters for RS-485/422 end (when 9,600bps) and a maximum of 5 meters for USB.

11. Interface protection: 600W lightning strike and surge protection, 5KV electrostatic protection.

12. Interface forms: USB A type male connector, DB9 male connector for RS422/485 end.

13. Signal indication: 3 indicator lights for Power (PWR), Send (TXD) and Receive (RXD).

14. Transmission media: twisted-pair cable or shielded cable.

15. Transmission rate: 128,000bps to 300M.

                    38,400bps to 600M.

                    9,600bps to 1200M.

16. Dimensions: 1555mm*36mm*16mm.

17. Working environment: -40 to 85 Celsius degree, relative humidity5% to 95%.

18. Transmission distance: 0-1200meters (128,000bps-9,600bps)