1. Standards: conforming to USBV1.1 2.0and 3.1, EIA RS-485 and RS-422, backwards compatible. 2. USB signals: VCC DATA+ DATA- GND FG 3. RS-485 signals: T/R+, T/R-, GND. 4. RS-422 signals: T/R+, T/R-, R+, R-, GND. 5. Working modes: asynchronous, point-to-point or point-to-multipoint, 2-line half duplex and 4-line full duplex. 6. Direction control: adoption of automatic data stream control for automatic recognition and control of data transmission direction. 7. Baud rate: 300-921.6Kbps, automatic detection of the transmission rate of the serial interface signal. 8. Workload ability: point-to-multipoint supported, a maximum of 32 RS-422 or RS-485 interface equipments are supported. 9. Transmission distance: 1200 meters for RS-485/422 end (when 9,600bps) and a maximum of 5 meters for USB. 10. Interface protection: 600W lightning strike and surge protection and ±5KV electrostatic protection. 11. Interface forms: USB terminal class C interface male head, DB9 male connector 12. Signal indication: 3 indicator lights for Power (PWR), Send (TXD) and Receive (RXD). 13. Transmission media: twisted-pair cable or shielded cable. 14. Transmission rate: 128,000bps to 300M. 38,400bps to 600M. 9,600bps to 1200M. communication modes: 1. Point-to-point 4-line full duplex 2. Point-to-multipoint 4-line full duplex 3. Point-to-point 2-line half duplex 4. Point-to-multipoint 2-line half duplex

Working temperature: -40? to 85? ? Relative humidity: 5% to 95% ? Supports Win2000/2003/2008/2012/XP/Vista/7/8/8.1/10/CE/Mac/Linux. Transmission media: Twisted-pair or shielded wire ? Baud rate: 921,600bps 300M 38,400bps 600M 9,600bps 1.2KM ? Dimension: 55mmX36mmX18mm. Load capcity: Supports point to multi-point, allows to connect up to 32 sets RS-422 or RS-485 device ? Transmission distance: RS-485/422 1,200m(9600bps), USB no more than 5m ?Port protection: 600W surge, ±15KV ESD protection ? Connector: USB-C male, DB9 male ? Signal: TXD, RXD. Working mode: Asynchronous, point to point or point to multi-point, 2-wire half duplex, 4-wire full duplex ? Direction control: Adopts flow direction auto-control technology, auto identify and control the flow transmission direction ? Baud rate: 300-921,600bps. Standards: USB V1.1, 1.0, 2.0, 3.1, RS-485/RS-422 EIA ? USB signal: VCC, DATA+, DATA-, GND, FG ? RS-485 signal: T/R+, T/R-, GND ? RS-422 signal: T/R+, T/R-, RXD+, RXD-, GND.