1.
Standards: conforming to USBV 1.1 2.0 and 3.1, EIA RS-485 and RS-422, backwards compatible. 2.
USB signals: VCC DATA+ DATA- GND FG3.
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- 921.6K bps, 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 connector12.
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 duplex2. Point-to-multipoint 4-line full duplex3. Point-to-point 2-line half duplex4. Point-to-multipoint 2-line half duplex